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v5.4
   1// SPDX-License-Identifier: GPL-2.0
   2#include "builtin.h"
   3
   4#include "util/counts.h"
 
   5#include "util/debug.h"
   6#include "util/dso.h"
   7#include <subcmd/exec-cmd.h>
   8#include "util/header.h"
   9#include <subcmd/parse-options.h>
  10#include "util/perf_regs.h"
  11#include "util/session.h"
  12#include "util/tool.h"
  13#include "util/map.h"
  14#include "util/srcline.h"
  15#include "util/symbol.h"
  16#include "util/thread.h"
  17#include "util/trace-event.h"
 
  18#include "util/evlist.h"
  19#include "util/evsel.h"
  20#include "util/evsel_fprintf.h"
  21#include "util/evswitch.h"
  22#include "util/sort.h"
  23#include "util/data.h"
  24#include "util/auxtrace.h"
  25#include "util/cpumap.h"
  26#include "util/thread_map.h"
  27#include "util/stat.h"
  28#include "util/color.h"
  29#include "util/string2.h"
  30#include "util/thread-stack.h"
  31#include "util/time-utils.h"
  32#include "util/path.h"
  33#include "ui/ui.h"
  34#include "print_binary.h"
  35#include "archinsn.h"
  36#include <linux/bitmap.h>
  37#include <linux/kernel.h>
  38#include <linux/stringify.h>
  39#include <linux/time64.h>
  40#include <linux/zalloc.h>
  41#include <sys/utsname.h>
  42#include "asm/bug.h"
  43#include "util/mem-events.h"
  44#include "util/dump-insn.h"
  45#include <dirent.h>
  46#include <errno.h>
  47#include <inttypes.h>
  48#include <signal.h>
  49#include <sys/param.h>
  50#include <sys/types.h>
  51#include <sys/stat.h>
  52#include <fcntl.h>
  53#include <unistd.h>
  54#include <subcmd/pager.h>
  55#include <perf/evlist.h>
  56#include <linux/err.h>
  57#include "util/record.h"
  58#include "util/util.h"
  59#include "perf.h"
  60
  61#include <linux/ctype.h>
  62
  63static char const		*script_name;
  64static char const		*generate_script_lang;
  65static bool			reltime;
  66static u64			initial_time;
  67static bool			debug_mode;
  68static u64			last_timestamp;
  69static u64			nr_unordered;
  70static bool			no_callchain;
  71static bool			latency_format;
  72static bool			system_wide;
  73static bool			print_flags;
 
  74static const char		*cpu_list;
  75static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  76static struct perf_stat_config	stat_config;
  77static int			max_blocks;
  78static bool			native_arch;
  79
  80unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  81
  82enum perf_output_field {
  83	PERF_OUTPUT_COMM            = 1U << 0,
  84	PERF_OUTPUT_TID             = 1U << 1,
  85	PERF_OUTPUT_PID             = 1U << 2,
  86	PERF_OUTPUT_TIME            = 1U << 3,
  87	PERF_OUTPUT_CPU             = 1U << 4,
  88	PERF_OUTPUT_EVNAME          = 1U << 5,
  89	PERF_OUTPUT_TRACE           = 1U << 6,
  90	PERF_OUTPUT_IP              = 1U << 7,
  91	PERF_OUTPUT_SYM             = 1U << 8,
  92	PERF_OUTPUT_DSO             = 1U << 9,
  93	PERF_OUTPUT_ADDR            = 1U << 10,
  94	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  95	PERF_OUTPUT_SRCLINE         = 1U << 12,
  96	PERF_OUTPUT_PERIOD          = 1U << 13,
  97	PERF_OUTPUT_IREGS	    = 1U << 14,
  98	PERF_OUTPUT_BRSTACK	    = 1U << 15,
  99	PERF_OUTPUT_BRSTACKSYM	    = 1U << 16,
 100	PERF_OUTPUT_DATA_SRC	    = 1U << 17,
 101	PERF_OUTPUT_WEIGHT	    = 1U << 18,
 102	PERF_OUTPUT_BPF_OUTPUT	    = 1U << 19,
 103	PERF_OUTPUT_CALLINDENT	    = 1U << 20,
 104	PERF_OUTPUT_INSN	    = 1U << 21,
 105	PERF_OUTPUT_INSNLEN	    = 1U << 22,
 106	PERF_OUTPUT_BRSTACKINSN	    = 1U << 23,
 107	PERF_OUTPUT_BRSTACKOFF	    = 1U << 24,
 108	PERF_OUTPUT_SYNTH           = 1U << 25,
 109	PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
 110	PERF_OUTPUT_UREGS	    = 1U << 27,
 111	PERF_OUTPUT_METRIC	    = 1U << 28,
 112	PERF_OUTPUT_MISC            = 1U << 29,
 113	PERF_OUTPUT_SRCCODE	    = 1U << 30,
 114	PERF_OUTPUT_IPC             = 1U << 31,
 115};
 116
 117struct output_option {
 118	const char *str;
 119	enum perf_output_field field;
 120} all_output_options[] = {
 121	{.str = "comm",  .field = PERF_OUTPUT_COMM},
 122	{.str = "tid",   .field = PERF_OUTPUT_TID},
 123	{.str = "pid",   .field = PERF_OUTPUT_PID},
 124	{.str = "time",  .field = PERF_OUTPUT_TIME},
 125	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
 126	{.str = "event", .field = PERF_OUTPUT_EVNAME},
 127	{.str = "trace", .field = PERF_OUTPUT_TRACE},
 128	{.str = "ip",    .field = PERF_OUTPUT_IP},
 129	{.str = "sym",   .field = PERF_OUTPUT_SYM},
 130	{.str = "dso",   .field = PERF_OUTPUT_DSO},
 131	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
 132	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 133	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 134	{.str = "period", .field = PERF_OUTPUT_PERIOD},
 135	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
 136	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
 137	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 138	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 139	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 140	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 141	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 142	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 143	{.str = "insn", .field = PERF_OUTPUT_INSN},
 144	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 145	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 146	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 147	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
 148	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 149	{.str = "metric", .field = PERF_OUTPUT_METRIC},
 150	{.str = "misc", .field = PERF_OUTPUT_MISC},
 151	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 152	{.str = "ipc", .field = PERF_OUTPUT_IPC},
 153};
 154
 155enum {
 156	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 157	OUTPUT_TYPE_MAX
 158};
 159
 160/* default set to maintain compatibility with current format */
 161static struct {
 162	bool user_set;
 163	bool wildcard_set;
 164	unsigned int print_ip_opts;
 165	u64 fields;
 166	u64 invalid_fields;
 167	u64 user_set_fields;
 168} output[OUTPUT_TYPE_MAX] = {
 169
 170	[PERF_TYPE_HARDWARE] = {
 171		.user_set = false,
 172
 173		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 174			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 175			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 176			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 177			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 178
 179		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 180	},
 181
 182	[PERF_TYPE_SOFTWARE] = {
 183		.user_set = false,
 184
 185		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 186			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 187			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 188			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 189			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 190			      PERF_OUTPUT_BPF_OUTPUT,
 191
 192		.invalid_fields = PERF_OUTPUT_TRACE,
 193	},
 194
 195	[PERF_TYPE_TRACEPOINT] = {
 196		.user_set = false,
 197
 198		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 199				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 200				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 201	},
 202
 203	[PERF_TYPE_HW_CACHE] = {
 204		.user_set = false,
 205
 206		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 207			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 208			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 209			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 210			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 211
 212		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 213	},
 214
 215	[PERF_TYPE_RAW] = {
 216		.user_set = false,
 217
 218		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 219			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 220			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 221			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 222			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 223			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 224			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 225
 226		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 227	},
 228
 229	[PERF_TYPE_BREAKPOINT] = {
 230		.user_set = false,
 231
 232		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 233			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 234			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 235			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 236			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 237
 238		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 239	},
 240
 241	[OUTPUT_TYPE_SYNTH] = {
 242		.user_set = false,
 243
 244		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 245			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 246			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 247			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 248			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 249
 250		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 251	},
 252};
 253
 254struct evsel_script {
 255       char *filename;
 256       FILE *fp;
 257       u64  samples;
 258       /* For metric output */
 259       u64  val;
 260       int  gnum;
 261};
 262
 263static inline struct evsel_script *evsel_script(struct evsel *evsel)
 264{
 265	return (struct evsel_script *)evsel->priv;
 266}
 267
 268static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
 269							struct perf_data *data)
 270{
 271	struct evsel_script *es = zalloc(sizeof(*es));
 272
 273	if (es != NULL) {
 274		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 275			goto out_free;
 276		es->fp = fopen(es->filename, "w");
 277		if (es->fp == NULL)
 278			goto out_free_filename;
 279	}
 280
 281	return es;
 282out_free_filename:
 283	zfree(&es->filename);
 284out_free:
 285	free(es);
 286	return NULL;
 287}
 288
 289static void perf_evsel_script__delete(struct evsel_script *es)
 290{
 291	zfree(&es->filename);
 292	fclose(es->fp);
 293	es->fp = NULL;
 294	free(es);
 295}
 296
 297static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 298{
 299	struct stat st;
 300
 301	fstat(fileno(es->fp), &st);
 302	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 303		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 304}
 305
 306static inline int output_type(unsigned int type)
 307{
 308	switch (type) {
 309	case PERF_TYPE_SYNTH:
 310		return OUTPUT_TYPE_SYNTH;
 311	default:
 312		return type;
 313	}
 314}
 315
 316static inline unsigned int attr_type(unsigned int type)
 317{
 318	switch (type) {
 319	case OUTPUT_TYPE_SYNTH:
 320		return PERF_TYPE_SYNTH;
 321	default:
 322		return type;
 323	}
 324}
 325
 326static bool output_set_by_user(void)
 327{
 328	int j;
 329	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 330		if (output[j].user_set)
 331			return true;
 332	}
 333	return false;
 334}
 335
 336static const char *output_field2str(enum perf_output_field field)
 337{
 338	int i, imax = ARRAY_SIZE(all_output_options);
 339	const char *str = "";
 340
 341	for (i = 0; i < imax; ++i) {
 342		if (all_output_options[i].field == field) {
 343			str = all_output_options[i].str;
 344			break;
 345		}
 346	}
 347	return str;
 348}
 349
 350#define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 351
 352static int perf_evsel__do_check_stype(struct evsel *evsel,
 353				      u64 sample_type, const char *sample_msg,
 354				      enum perf_output_field field,
 355				      bool allow_user_set)
 356{
 357	struct perf_event_attr *attr = &evsel->core.attr;
 358	int type = output_type(attr->type);
 359	const char *evname;
 360
 361	if (attr->sample_type & sample_type)
 362		return 0;
 363
 364	if (output[type].user_set_fields & field) {
 365		if (allow_user_set)
 366			return 0;
 367		evname = perf_evsel__name(evsel);
 368		pr_err("Samples for '%s' event do not have %s attribute set. "
 369		       "Cannot print '%s' field.\n",
 370		       evname, sample_msg, output_field2str(field));
 371		return -1;
 372	}
 373
 374	/* user did not ask for it explicitly so remove from the default list */
 375	output[type].fields &= ~field;
 376	evname = perf_evsel__name(evsel);
 377	pr_debug("Samples for '%s' event do not have %s attribute set. "
 378		 "Skipping '%s' field.\n",
 379		 evname, sample_msg, output_field2str(field));
 380
 381	return 0;
 382}
 383
 384static int perf_evsel__check_stype(struct evsel *evsel,
 385				   u64 sample_type, const char *sample_msg,
 386				   enum perf_output_field field)
 387{
 388	return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 389					  false);
 390}
 391
 392static int perf_evsel__check_attr(struct evsel *evsel,
 393				  struct perf_session *session)
 394{
 395	struct perf_event_attr *attr = &evsel->core.attr;
 396	bool allow_user_set;
 397
 398	if (perf_header__has_feat(&session->header, HEADER_STAT))
 399		return 0;
 400
 401	allow_user_set = perf_header__has_feat(&session->header,
 402					       HEADER_AUXTRACE);
 403
 404	if (PRINT_FIELD(TRACE) &&
 405		!perf_session__has_traces(session, "record -R"))
 406		return -EINVAL;
 407
 408	if (PRINT_FIELD(IP)) {
 409		if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 410					    PERF_OUTPUT_IP))
 411			return -EINVAL;
 412	}
 413
 414	if (PRINT_FIELD(ADDR) &&
 415		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 416					   PERF_OUTPUT_ADDR, allow_user_set))
 417		return -EINVAL;
 418
 419	if (PRINT_FIELD(DATA_SRC) &&
 420		perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 421					PERF_OUTPUT_DATA_SRC))
 422		return -EINVAL;
 423
 424	if (PRINT_FIELD(WEIGHT) &&
 425		perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 426					PERF_OUTPUT_WEIGHT))
 427		return -EINVAL;
 428
 429	if (PRINT_FIELD(SYM) &&
 430		!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 431		pr_err("Display of symbols requested but neither sample IP nor "
 432			   "sample address\navailable. Hence, no addresses to convert "
 433		       "to symbols.\n");
 434		return -EINVAL;
 435	}
 436	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 437		pr_err("Display of offsets requested but symbol is not"
 438		       "selected.\n");
 439		return -EINVAL;
 440	}
 441	if (PRINT_FIELD(DSO) &&
 442		!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 443		pr_err("Display of DSO requested but no address to convert.\n");
 
 444		return -EINVAL;
 445	}
 446	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 447		pr_err("Display of source line number requested but sample IP is not\n"
 448		       "selected. Hence, no address to lookup the source line number.\n");
 449		return -EINVAL;
 450	}
 451	if (PRINT_FIELD(BRSTACKINSN) &&
 452	    !(perf_evlist__combined_branch_type(session->evlist) &
 453	      PERF_SAMPLE_BRANCH_ANY)) {
 454		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 455		       "Hint: run 'perf record -b ...'\n");
 456		return -EINVAL;
 457	}
 458	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 459		perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 460					PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 461		return -EINVAL;
 462
 463	if (PRINT_FIELD(TIME) &&
 464		perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 465					PERF_OUTPUT_TIME))
 466		return -EINVAL;
 467
 468	if (PRINT_FIELD(CPU) &&
 469		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 470					   PERF_OUTPUT_CPU, allow_user_set))
 471		return -EINVAL;
 472
 473	if (PRINT_FIELD(IREGS) &&
 474		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 475					PERF_OUTPUT_IREGS))
 476		return -EINVAL;
 477
 478	if (PRINT_FIELD(UREGS) &&
 479		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 480					PERF_OUTPUT_UREGS))
 481		return -EINVAL;
 482
 483	if (PRINT_FIELD(PHYS_ADDR) &&
 484		perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 485					PERF_OUTPUT_PHYS_ADDR))
 486		return -EINVAL;
 487
 488	return 0;
 489}
 490
 491static void set_print_ip_opts(struct perf_event_attr *attr)
 492{
 493	unsigned int type = output_type(attr->type);
 494
 495	output[type].print_ip_opts = 0;
 496	if (PRINT_FIELD(IP))
 497		output[type].print_ip_opts |= EVSEL__PRINT_IP;
 498
 499	if (PRINT_FIELD(SYM))
 500		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 501
 502	if (PRINT_FIELD(DSO))
 503		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 504
 505	if (PRINT_FIELD(SYMOFFSET))
 506		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 507
 508	if (PRINT_FIELD(SRCLINE))
 509		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 510}
 511
 512/*
 513 * verify all user requested events exist and the samples
 514 * have the expected data
 515 */
 516static int perf_session__check_output_opt(struct perf_session *session)
 517{
 518	unsigned int j;
 519	struct evsel *evsel;
 520
 521	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 522		evsel = perf_session__find_first_evtype(session, attr_type(j));
 523
 524		/*
 525		 * even if fields is set to 0 (ie., show nothing) event must
 526		 * exist if user explicitly includes it on the command line
 527		 */
 528		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 529		    j != OUTPUT_TYPE_SYNTH) {
 530			pr_err("%s events do not exist. "
 531			       "Remove corresponding -F option to proceed.\n",
 532			       event_type(j));
 533			return -1;
 534		}
 535
 536		if (evsel && output[j].fields &&
 537			perf_evsel__check_attr(evsel, session))
 538			return -1;
 539
 540		if (evsel == NULL)
 541			continue;
 542
 543		set_print_ip_opts(&evsel->core.attr);
 544	}
 545
 546	if (!no_callchain) {
 547		bool use_callchain = false;
 548		bool not_pipe = false;
 549
 550		evlist__for_each_entry(session->evlist, evsel) {
 551			not_pipe = true;
 552			if (evsel__has_callchain(evsel)) {
 553				use_callchain = true;
 554				break;
 555			}
 556		}
 557		if (not_pipe && !use_callchain)
 558			symbol_conf.use_callchain = false;
 559	}
 560
 561	/*
 562	 * set default for tracepoints to print symbols only
 563	 * if callchains are present
 564	 */
 565	if (symbol_conf.use_callchain &&
 566	    !output[PERF_TYPE_TRACEPOINT].user_set) {
 
 
 567		j = PERF_TYPE_TRACEPOINT;
 568
 569		evlist__for_each_entry(session->evlist, evsel) {
 570			if (evsel->core.attr.type != j)
 571				continue;
 572
 573			if (evsel__has_callchain(evsel)) {
 
 
 574				output[j].fields |= PERF_OUTPUT_IP;
 575				output[j].fields |= PERF_OUTPUT_SYM;
 576				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 577				output[j].fields |= PERF_OUTPUT_DSO;
 578				set_print_ip_opts(&evsel->core.attr);
 579				goto out;
 580			}
 581		}
 582	}
 583
 584out:
 585	return 0;
 586}
 587
 588static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 589				     FILE *fp
 590)
 591{
 
 
 592	unsigned i = 0, r;
 593	int printed = 0;
 594
 595	if (!regs || !regs->regs)
 596		return 0;
 597
 598	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 599
 600	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 601		u64 val = regs->regs[i++];
 602		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 603	}
 604
 605	fprintf(fp, "\n");
 606
 607	return printed;
 608}
 609
 610static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 611				      struct perf_event_attr *attr, FILE *fp)
 612{
 613	return perf_sample__fprintf_regs(&sample->intr_regs,
 614					 attr->sample_regs_intr, fp);
 615}
 616
 617static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 618				      struct perf_event_attr *attr, FILE *fp)
 619{
 620	return perf_sample__fprintf_regs(&sample->user_regs,
 621					 attr->sample_regs_user, fp);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 622}
 623
 624static int perf_sample__fprintf_start(struct perf_sample *sample,
 625				      struct thread *thread,
 626				      struct evsel *evsel,
 627				      u32 type, FILE *fp)
 628{
 629	struct perf_event_attr *attr = &evsel->core.attr;
 630	unsigned long secs;
 631	unsigned long long nsecs;
 632	int printed = 0;
 633
 634	if (PRINT_FIELD(COMM)) {
 635		if (latency_format)
 636			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 637		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 638			printed += fprintf(fp, "%s ", thread__comm_str(thread));
 639		else
 640			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 641	}
 642
 643	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 644		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 645	else if (PRINT_FIELD(PID))
 646		printed += fprintf(fp, "%5d ", sample->pid);
 647	else if (PRINT_FIELD(TID))
 648		printed += fprintf(fp, "%5d ", sample->tid);
 649
 650	if (PRINT_FIELD(CPU)) {
 651		if (latency_format)
 652			printed += fprintf(fp, "%3d ", sample->cpu);
 653		else
 654			printed += fprintf(fp, "[%03d] ", sample->cpu);
 655	}
 656
 657	if (PRINT_FIELD(MISC)) {
 658		int ret = 0;
 659
 660		#define has(m) \
 661			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 662
 663		if (has(KERNEL))
 664			ret += fprintf(fp, "K");
 665		if (has(USER))
 666			ret += fprintf(fp, "U");
 667		if (has(HYPERVISOR))
 668			ret += fprintf(fp, "H");
 669		if (has(GUEST_KERNEL))
 670			ret += fprintf(fp, "G");
 671		if (has(GUEST_USER))
 672			ret += fprintf(fp, "g");
 673
 674		switch (type) {
 675		case PERF_RECORD_MMAP:
 676		case PERF_RECORD_MMAP2:
 677			if (has(MMAP_DATA))
 678				ret += fprintf(fp, "M");
 679			break;
 680		case PERF_RECORD_COMM:
 681			if (has(COMM_EXEC))
 682				ret += fprintf(fp, "E");
 683			break;
 684		case PERF_RECORD_SWITCH:
 685		case PERF_RECORD_SWITCH_CPU_WIDE:
 686			if (has(SWITCH_OUT)) {
 687				ret += fprintf(fp, "S");
 688				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 689					ret += fprintf(fp, "p");
 690			}
 691		default:
 692			break;
 693		}
 694
 695		#undef has
 696
 697		ret += fprintf(fp, "%*s", 6 - ret, " ");
 698		printed += ret;
 699	}
 700
 701	if (PRINT_FIELD(TIME)) {
 702		u64 t = sample->time;
 703		if (reltime) {
 704			if (!initial_time)
 705				initial_time = sample->time;
 706			t = sample->time - initial_time;
 707		}
 708		nsecs = t;
 709		secs = nsecs / NSEC_PER_SEC;
 710		nsecs -= secs * NSEC_PER_SEC;
 711
 712		if (symbol_conf.nanosecs)
 713			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 714		else {
 715			char sample_time[32];
 716			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 717			printed += fprintf(fp, "%12s: ", sample_time);
 718		}
 719	}
 720
 721	return printed;
 722}
 723
 724static inline char
 725mispred_str(struct branch_entry *br)
 726{
 727	if (!(br->flags.mispred  || br->flags.predicted))
 728		return '-';
 729
 730	return br->flags.predicted ? 'P' : 'M';
 731}
 732
 733static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 734					struct thread *thread,
 735					struct perf_event_attr *attr, FILE *fp)
 736{
 737	struct branch_stack *br = sample->branch_stack;
 738	struct addr_location alf, alt;
 739	u64 i, from, to;
 740	int printed = 0;
 741
 742	if (!(br && br->nr))
 743		return 0;
 744
 745	for (i = 0; i < br->nr; i++) {
 746		from = br->entries[i].from;
 747		to   = br->entries[i].to;
 748
 749		if (PRINT_FIELD(DSO)) {
 750			memset(&alf, 0, sizeof(alf));
 751			memset(&alt, 0, sizeof(alt));
 752			thread__find_map_fb(thread, sample->cpumode, from, &alf);
 753			thread__find_map_fb(thread, sample->cpumode, to, &alt);
 754		}
 755
 756		printed += fprintf(fp, " 0x%"PRIx64, from);
 757		if (PRINT_FIELD(DSO)) {
 758			printed += fprintf(fp, "(");
 759			printed += map__fprintf_dsoname(alf.map, fp);
 760			printed += fprintf(fp, ")");
 761		}
 762
 763		printed += fprintf(fp, "/0x%"PRIx64, to);
 764		if (PRINT_FIELD(DSO)) {
 765			printed += fprintf(fp, "(");
 766			printed += map__fprintf_dsoname(alt.map, fp);
 767			printed += fprintf(fp, ")");
 768		}
 769
 770		printed += fprintf(fp, "/%c/%c/%c/%d ",
 771			mispred_str( br->entries + i),
 772			br->entries[i].flags.in_tx? 'X' : '-',
 773			br->entries[i].flags.abort? 'A' : '-',
 774			br->entries[i].flags.cycles);
 775	}
 776
 777	return printed;
 778}
 779
 780static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 781					   struct thread *thread,
 782					   struct perf_event_attr *attr, FILE *fp)
 783{
 784	struct branch_stack *br = sample->branch_stack;
 785	struct addr_location alf, alt;
 786	u64 i, from, to;
 787	int printed = 0;
 788
 789	if (!(br && br->nr))
 790		return 0;
 791
 792	for (i = 0; i < br->nr; i++) {
 793
 794		memset(&alf, 0, sizeof(alf));
 795		memset(&alt, 0, sizeof(alt));
 796		from = br->entries[i].from;
 797		to   = br->entries[i].to;
 798
 799		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 800		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 
 
 
 
 
 801
 802		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 803		if (PRINT_FIELD(DSO)) {
 804			printed += fprintf(fp, "(");
 805			printed += map__fprintf_dsoname(alf.map, fp);
 806			printed += fprintf(fp, ")");
 807		}
 808		printed += fprintf(fp, "%c", '/');
 809		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 810		if (PRINT_FIELD(DSO)) {
 811			printed += fprintf(fp, "(");
 812			printed += map__fprintf_dsoname(alt.map, fp);
 813			printed += fprintf(fp, ")");
 814		}
 815		printed += fprintf(fp, "/%c/%c/%c/%d ",
 816			mispred_str( br->entries + i),
 817			br->entries[i].flags.in_tx? 'X' : '-',
 818			br->entries[i].flags.abort? 'A' : '-',
 819			br->entries[i].flags.cycles);
 820	}
 821
 822	return printed;
 823}
 824
 825static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 826					   struct thread *thread,
 827					   struct perf_event_attr *attr, FILE *fp)
 828{
 829	struct branch_stack *br = sample->branch_stack;
 830	struct addr_location alf, alt;
 831	u64 i, from, to;
 832	int printed = 0;
 833
 834	if (!(br && br->nr))
 835		return 0;
 836
 837	for (i = 0; i < br->nr; i++) {
 838
 839		memset(&alf, 0, sizeof(alf));
 840		memset(&alt, 0, sizeof(alt));
 841		from = br->entries[i].from;
 842		to   = br->entries[i].to;
 843
 844		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 845		    !alf.map->dso->adjust_symbols)
 846			from = map__map_ip(alf.map, from);
 847
 848		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 849		    !alt.map->dso->adjust_symbols)
 850			to = map__map_ip(alt.map, to);
 851
 852		printed += fprintf(fp, " 0x%"PRIx64, from);
 853		if (PRINT_FIELD(DSO)) {
 854			printed += fprintf(fp, "(");
 855			printed += map__fprintf_dsoname(alf.map, fp);
 856			printed += fprintf(fp, ")");
 857		}
 858		printed += fprintf(fp, "/0x%"PRIx64, to);
 859		if (PRINT_FIELD(DSO)) {
 860			printed += fprintf(fp, "(");
 861			printed += map__fprintf_dsoname(alt.map, fp);
 862			printed += fprintf(fp, ")");
 863		}
 864		printed += fprintf(fp, "/%c/%c/%c/%d ",
 865			mispred_str(br->entries + i),
 866			br->entries[i].flags.in_tx ? 'X' : '-',
 867			br->entries[i].flags.abort ? 'A' : '-',
 868			br->entries[i].flags.cycles);
 869	}
 870
 871	return printed;
 872}
 873#define MAXBB 16384UL
 874
 875static int grab_bb(u8 *buffer, u64 start, u64 end,
 876		    struct machine *machine, struct thread *thread,
 877		    bool *is64bit, u8 *cpumode, bool last)
 878{
 879	long offset, len;
 880	struct addr_location al;
 881	bool kernel;
 882
 883	if (!start || !end)
 884		return 0;
 885
 886	kernel = machine__kernel_ip(machine, start);
 887	if (kernel)
 888		*cpumode = PERF_RECORD_MISC_KERNEL;
 889	else
 890		*cpumode = PERF_RECORD_MISC_USER;
 891
 892	/*
 893	 * Block overlaps between kernel and user.
 894	 * This can happen due to ring filtering
 895	 * On Intel CPUs the entry into the kernel is filtered,
 896	 * but the exit is not. Let the caller patch it up.
 897	 */
 898	if (kernel != machine__kernel_ip(machine, end)) {
 899		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 900		return -ENXIO;
 901	}
 902
 903	memset(&al, 0, sizeof(al));
 904	if (end - start > MAXBB - MAXINSN) {
 905		if (last)
 906			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 907		else
 908			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 909		return 0;
 910	}
 911
 912	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 
 913		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 914		return 0;
 915	}
 916	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 917		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 918		return 0;
 919	}
 920
 921	/* Load maps to ensure dso->is_64_bit has been updated */
 922	map__load(al.map);
 923
 924	offset = al.map->map_ip(al.map, start);
 925	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 926				    end - start + MAXINSN);
 927
 928	*is64bit = al.map->dso->is_64_bit;
 929	if (len <= 0)
 930		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 931			start, end);
 932	return len;
 933}
 934
 935static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 936{
 937	struct addr_location al;
 938	int ret = 0;
 939
 940	memset(&al, 0, sizeof(al));
 941	thread__find_map(thread, cpumode, addr, &al);
 942	if (!al.map)
 943		return 0;
 944	ret = map__fprintf_srccode(al.map, al.addr, stdout,
 945		    &thread->srccode_state);
 946	if (ret)
 947		ret += printf("\n");
 948	return ret;
 949}
 950
 951static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 952			    struct perf_insn *x, u8 *inbuf, int len,
 953			    int insn, FILE *fp, int *total_cycles)
 954{
 955	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 956			      dump_insn(x, ip, inbuf, len, NULL),
 957			      en->flags.predicted ? " PRED" : "",
 958			      en->flags.mispred ? " MISPRED" : "",
 959			      en->flags.in_tx ? " INTX" : "",
 960			      en->flags.abort ? " ABORT" : "");
 961	if (en->flags.cycles) {
 962		*total_cycles += en->flags.cycles;
 963		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
 964		if (insn)
 965			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 966	}
 967	return printed + fprintf(fp, "\n");
 968}
 969
 970static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 971			   u8 cpumode, int cpu, struct symbol **lastsym,
 972			   struct perf_event_attr *attr, FILE *fp)
 973{
 974	struct addr_location al;
 975	int off, printed = 0;
 976
 977	memset(&al, 0, sizeof(al));
 978
 979	thread__find_map(thread, cpumode, addr, &al);
 980
 
 
 981	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 982		return 0;
 983
 984	al.cpu = cpu;
 985	al.sym = NULL;
 986	if (al.map)
 987		al.sym = map__find_symbol(al.map, al.addr);
 988
 989	if (!al.sym)
 990		return 0;
 991
 992	if (al.addr < al.sym->end)
 993		off = al.addr - al.sym->start;
 994	else
 995		off = al.addr - al.map->start - al.sym->start;
 996	printed += fprintf(fp, "\t%s", al.sym->name);
 997	if (off)
 998		printed += fprintf(fp, "%+d", off);
 999	printed += fprintf(fp, ":");
1000	if (PRINT_FIELD(SRCLINE))
1001		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1002	printed += fprintf(fp, "\n");
1003	*lastsym = al.sym;
1004
1005	return printed;
1006}
1007
1008static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1009					    struct thread *thread,
1010					    struct perf_event_attr *attr,
1011					    struct machine *machine, FILE *fp)
1012{
1013	struct branch_stack *br = sample->branch_stack;
1014	u64 start, end;
1015	int i, insn, len, nr, ilen, printed = 0;
1016	struct perf_insn x;
1017	u8 buffer[MAXBB];
1018	unsigned off;
1019	struct symbol *lastsym = NULL;
1020	int total_cycles = 0;
1021
1022	if (!(br && br->nr))
1023		return 0;
1024	nr = br->nr;
1025	if (max_blocks && nr > max_blocks + 1)
1026		nr = max_blocks + 1;
1027
1028	x.thread = thread;
1029	x.cpu = sample->cpu;
1030
1031	printed += fprintf(fp, "%c", '\n');
1032
1033	/* Handle first from jump, of which we don't know the entry. */
1034	len = grab_bb(buffer, br->entries[nr-1].from,
1035			br->entries[nr-1].from,
1036			machine, thread, &x.is64bit, &x.cpumode, false);
1037	if (len > 0) {
1038		printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1039					   x.cpumode, x.cpu, &lastsym, attr, fp);
1040		printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1041					    &x, buffer, len, 0, fp, &total_cycles);
1042		if (PRINT_FIELD(SRCCODE))
1043			printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1044	}
1045
1046	/* Print all blocks */
1047	for (i = nr - 2; i >= 0; i--) {
1048		if (br->entries[i].from || br->entries[i].to)
1049			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1050				 br->entries[i].from,
1051				 br->entries[i].to);
1052		start = br->entries[i + 1].to;
1053		end   = br->entries[i].from;
1054
1055		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1056		/* Patch up missing kernel transfers due to ring filters */
1057		if (len == -ENXIO && i > 0) {
1058			end = br->entries[--i].from;
1059			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1060			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1061		}
1062		if (len <= 0)
1063			continue;
1064
1065		insn = 0;
1066		for (off = 0; off < (unsigned)len; off += ilen) {
1067			uint64_t ip = start + off;
1068
1069			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1070			if (ip == end) {
1071				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp,
1072							    &total_cycles);
1073				if (PRINT_FIELD(SRCCODE))
1074					printed += print_srccode(thread, x.cpumode, ip);
1075				break;
1076			} else {
1077				ilen = 0;
1078				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1079						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1080				if (ilen == 0)
1081					break;
1082				if (PRINT_FIELD(SRCCODE))
1083					print_srccode(thread, x.cpumode, ip);
1084				insn++;
1085			}
1086		}
1087		if (off != (unsigned)len)
1088			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1089	}
1090
1091	/*
1092	 * Hit the branch? In this case we are already done, and the target
1093	 * has not been executed yet.
1094	 */
1095	if (br->entries[0].from == sample->ip)
1096		goto out;
1097	if (br->entries[0].flags.abort)
1098		goto out;
1099
1100	/*
1101	 * Print final block upto sample
1102	 *
1103	 * Due to pipeline delays the LBRs might be missing a branch
1104	 * or two, which can result in very large or negative blocks
1105	 * between final branch and sample. When this happens just
1106	 * continue walking after the last TO until we hit a branch.
1107	 */
1108	start = br->entries[0].to;
1109	end = sample->ip;
1110	if (end < start) {
1111		/* Missing jump. Scan 128 bytes for the next branch */
1112		end = start + 128;
1113	}
1114	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1115	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1116	if (len <= 0) {
1117		/* Print at least last IP if basic block did not work */
1118		len = grab_bb(buffer, sample->ip, sample->ip,
1119			      machine, thread, &x.is64bit, &x.cpumode, false);
1120		if (len <= 0)
1121			goto out;
 
1122		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1123			dump_insn(&x, sample->ip, buffer, len, NULL));
1124		if (PRINT_FIELD(SRCCODE))
1125			print_srccode(thread, x.cpumode, sample->ip);
1126		goto out;
1127	}
1128	for (off = 0; off <= end - start; off += ilen) {
1129		ilen = 0;
1130		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1131				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1132		if (ilen == 0)
1133			break;
1134		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1135			/*
1136			 * Hit a missing branch. Just stop.
1137			 */
1138			printed += fprintf(fp, "\t... not reaching sample ...\n");
1139			break;
1140		}
1141		if (PRINT_FIELD(SRCCODE))
1142			print_srccode(thread, x.cpumode, start + off);
1143	}
1144out:
1145	return printed;
1146}
1147
1148static int perf_sample__fprintf_addr(struct perf_sample *sample,
1149				     struct thread *thread,
1150				     struct perf_event_attr *attr, FILE *fp)
1151{
1152	struct addr_location al;
1153	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1154
1155	if (!sample_addr_correlates_sym(attr))
1156		goto out;
1157
1158	thread__resolve(thread, &al, sample);
1159
1160	if (PRINT_FIELD(SYM)) {
1161		printed += fprintf(fp, " ");
1162		if (PRINT_FIELD(SYMOFFSET))
1163			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1164		else
1165			printed += symbol__fprintf_symname(al.sym, fp);
1166	}
1167
1168	if (PRINT_FIELD(DSO)) {
1169		printed += fprintf(fp, " (");
1170		printed += map__fprintf_dsoname(al.map, fp);
1171		printed += fprintf(fp, ")");
1172	}
1173out:
1174	return printed;
1175}
1176
1177static const char *resolve_branch_sym(struct perf_sample *sample,
1178				      struct evsel *evsel,
1179				      struct thread *thread,
1180				      struct addr_location *al,
1181				      u64 *ip)
1182{
1183	struct addr_location addr_al;
1184	struct perf_event_attr *attr = &evsel->core.attr;
1185	const char *name = NULL;
1186
1187	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1188		if (sample_addr_correlates_sym(attr)) {
1189			thread__resolve(thread, &addr_al, sample);
1190			if (addr_al.sym)
1191				name = addr_al.sym->name;
1192			else
1193				*ip = sample->addr;
1194		} else {
1195			*ip = sample->addr;
1196		}
1197	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1198		if (al->sym)
1199			name = al->sym->name;
1200		else
1201			*ip = sample->ip;
1202	}
1203	return name;
1204}
1205
1206static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1207					   struct evsel *evsel,
1208					   struct thread *thread,
1209					   struct addr_location *al, FILE *fp)
1210{
1211	struct perf_event_attr *attr = &evsel->core.attr;
1212	size_t depth = thread_stack__depth(thread, sample->cpu);
 
1213	const char *name = NULL;
1214	static int spacing;
1215	int len = 0;
1216	int dlen = 0;
1217	u64 ip = 0;
1218
1219	/*
1220	 * The 'return' has already been popped off the stack so the depth has
1221	 * to be adjusted to match the 'call'.
1222	 */
1223	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1224		depth += 1;
1225
1226	name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1227
1228	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1229		dlen += fprintf(fp, "(");
1230		dlen += map__fprintf_dsoname(al->map, fp);
1231		dlen += fprintf(fp, ")\t");
 
 
 
 
 
 
 
 
 
1232	}
1233
1234	if (name)
1235		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1236	else if (ip)
1237		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1238
1239	if (len < 0)
1240		return len;
1241
1242	/*
1243	 * Try to keep the output length from changing frequently so that the
1244	 * output lines up more nicely.
1245	 */
1246	if (len > spacing || (len && len < spacing - 52))
1247		spacing = round_up(len + 4, 32);
1248
1249	if (len < spacing)
1250		len += fprintf(fp, "%*s", spacing - len, "");
1251
1252	return len + dlen;
1253}
1254
1255__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1256			    struct thread *thread __maybe_unused,
1257			    struct machine *machine __maybe_unused)
1258{
1259}
1260
1261static int perf_sample__fprintf_insn(struct perf_sample *sample,
1262				     struct perf_event_attr *attr,
1263				     struct thread *thread,
1264				     struct machine *machine, FILE *fp)
1265{
1266	int printed = 0;
1267
1268	if (sample->insn_len == 0 && native_arch)
1269		arch_fetch_insn(sample, thread, machine);
1270
1271	if (PRINT_FIELD(INSNLEN))
1272		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1273	if (PRINT_FIELD(INSN) && sample->insn_len) {
1274		int i;
1275
1276		printed += fprintf(fp, " insn:");
1277		for (i = 0; i < sample->insn_len; i++)
1278			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1279	}
1280	if (PRINT_FIELD(BRSTACKINSN))
1281		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1282
1283	return printed;
1284}
1285
1286static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1287				    struct perf_event_attr *attr, FILE *fp)
1288{
1289	unsigned int ipc;
1290
1291	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1292		return 0;
1293
1294	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1295
1296	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1297		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1298}
1299
1300static int perf_sample__fprintf_bts(struct perf_sample *sample,
1301				    struct evsel *evsel,
1302				    struct thread *thread,
1303				    struct addr_location *al,
1304				    struct machine *machine, FILE *fp)
1305{
1306	struct perf_event_attr *attr = &evsel->core.attr;
1307	unsigned int type = output_type(attr->type);
1308	bool print_srcline_last = false;
1309	int printed = 0;
1310
1311	if (PRINT_FIELD(CALLINDENT))
1312		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1313
1314	/* print branch_from information */
1315	if (PRINT_FIELD(IP)) {
1316		unsigned int print_opts = output[type].print_ip_opts;
1317		struct callchain_cursor *cursor = NULL;
1318
1319		if (symbol_conf.use_callchain && sample->callchain &&
1320		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1321					      sample, NULL, NULL, scripting_max_stack) == 0)
1322			cursor = &callchain_cursor;
1323
1324		if (cursor == NULL) {
1325			printed += fprintf(fp, " ");
1326			if (print_opts & EVSEL__PRINT_SRCLINE) {
1327				print_srcline_last = true;
1328				print_opts &= ~EVSEL__PRINT_SRCLINE;
1329			}
1330		} else
1331			printed += fprintf(fp, "\n");
1332
1333		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1334					       symbol_conf.bt_stop_list, fp);
1335	}
1336
1337	/* print branch_to information */
1338	if (PRINT_FIELD(ADDR) ||
1339	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1340	     !output[type].user_set)) {
1341		printed += fprintf(fp, " => ");
1342		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1343	}
1344
1345	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1346
1347	if (print_srcline_last)
1348		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1349
1350	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1351	printed += fprintf(fp, "\n");
1352	if (PRINT_FIELD(SRCCODE)) {
1353		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1354					 &thread->srccode_state);
1355		if (ret) {
1356			printed += ret;
1357			printed += printf("\n");
1358		}
1359	}
1360	return printed;
1361}
1362
1363static struct {
1364	u32 flags;
1365	const char *name;
1366} sample_flags[] = {
1367	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1368	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1369	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1370	{PERF_IP_FLAG_BRANCH, "jmp"},
1371	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1372	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1373	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1374	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1375	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1376	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1377	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1378	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1379	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1380	{0, NULL}
1381};
1382
1383static const char *sample_flags_to_name(u32 flags)
1384{
1385	int i;
1386
1387	for (i = 0; sample_flags[i].name ; i++) {
1388		if (sample_flags[i].flags == flags)
1389			return sample_flags[i].name;
1390	}
1391
1392	return NULL;
1393}
1394
1395static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1396{
1397	const char *chars = PERF_IP_FLAG_CHARS;
1398	const int n = strlen(PERF_IP_FLAG_CHARS);
1399	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1400	const char *name = NULL;
1401	char str[33];
1402	int i, pos = 0;
1403
1404	name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1405	if (name)
1406		return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1407
1408	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1409		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1410		if (name)
1411			return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1412	}
1413
1414	if (flags & PERF_IP_FLAG_TRACE_END) {
1415		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1416		if (name)
1417			return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1418	}
1419
1420	for (i = 0; i < n; i++, flags >>= 1) {
1421		if (flags & 1)
1422			str[pos++] = chars[i];
1423	}
1424	for (; i < 32; i++, flags >>= 1) {
1425		if (flags & 1)
1426			str[pos++] = '?';
1427	}
1428	str[pos] = 0;
1429
1430	return fprintf(fp, "  %-19s ", str);
 
 
 
1431}
1432
1433struct printer_data {
1434	int line_no;
1435	bool hit_nul;
1436	bool is_printable;
1437};
1438
1439static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1440				      unsigned int val,
1441				      void *extra, FILE *fp)
1442{
1443	unsigned char ch = (unsigned char)val;
1444	struct printer_data *printer_data = extra;
1445	int printed = 0;
1446
1447	switch (op) {
1448	case BINARY_PRINT_DATA_BEGIN:
1449		printed += fprintf(fp, "\n");
1450		break;
1451	case BINARY_PRINT_LINE_BEGIN:
1452		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1453						        "           ");
1454		break;
1455	case BINARY_PRINT_ADDR:
1456		printed += fprintf(fp, " %04x:", val);
1457		break;
1458	case BINARY_PRINT_NUM_DATA:
1459		printed += fprintf(fp, " %02x", val);
1460		break;
1461	case BINARY_PRINT_NUM_PAD:
1462		printed += fprintf(fp, "   ");
1463		break;
1464	case BINARY_PRINT_SEP:
1465		printed += fprintf(fp, "  ");
1466		break;
1467	case BINARY_PRINT_CHAR_DATA:
1468		if (printer_data->hit_nul && ch)
1469			printer_data->is_printable = false;
1470
1471		if (!isprint(ch)) {
1472			printed += fprintf(fp, "%c", '.');
1473
1474			if (!printer_data->is_printable)
1475				break;
1476
1477			if (ch == '\0')
1478				printer_data->hit_nul = true;
1479			else
1480				printer_data->is_printable = false;
1481		} else {
1482			printed += fprintf(fp, "%c", ch);
1483		}
1484		break;
1485	case BINARY_PRINT_CHAR_PAD:
1486		printed += fprintf(fp, " ");
1487		break;
1488	case BINARY_PRINT_LINE_END:
1489		printed += fprintf(fp, "\n");
1490		printer_data->line_no++;
1491		break;
1492	case BINARY_PRINT_DATA_END:
1493	default:
1494		break;
1495	}
1496
1497	return printed;
1498}
1499
1500static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1501{
1502	unsigned int nr_bytes = sample->raw_size;
1503	struct printer_data printer_data = {0, false, true};
1504	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1505				      sample__fprintf_bpf_output, &printer_data, fp);
1506
1507	if (printer_data.is_printable && printer_data.hit_nul)
1508		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1509
1510	return printed;
1511}
1512
1513static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1514{
1515	if (len > 0 && len < spacing)
1516		return fprintf(fp, "%*s", spacing - len, "");
1517
1518	return 0;
1519}
1520
1521static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1522{
1523	return perf_sample__fprintf_spacing(len, 34, fp);
1524}
1525
1526static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1527{
1528	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1529	int len;
1530
1531	if (perf_sample__bad_synth_size(sample, *data))
1532		return 0;
1533
1534	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1535		     data->ip, le64_to_cpu(data->payload));
1536	return len + perf_sample__fprintf_pt_spacing(len, fp);
1537}
1538
1539static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1540{
1541	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1542	int len;
1543
1544	if (perf_sample__bad_synth_size(sample, *data))
1545		return 0;
1546
1547	len = fprintf(fp, " hints: %#x extensions: %#x ",
1548		      data->hints, data->extensions);
1549	return len + perf_sample__fprintf_pt_spacing(len, fp);
1550}
1551
1552static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1553{
1554	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1555	int len;
1556
1557	if (perf_sample__bad_synth_size(sample, *data))
1558		return 0;
1559
1560	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1561		      data->hw, data->cstate, data->subcstate);
1562	return len + perf_sample__fprintf_pt_spacing(len, fp);
1563}
1564
1565static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1566{
1567	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1568	int len;
1569
1570	if (perf_sample__bad_synth_size(sample, *data))
1571		return 0;
1572
1573	len = fprintf(fp, " IP: %u ", data->ip);
1574	return len + perf_sample__fprintf_pt_spacing(len, fp);
1575}
1576
1577static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1578{
1579	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1580	int len;
1581
1582	if (perf_sample__bad_synth_size(sample, *data))
1583		return 0;
1584
1585	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1586		     data->deepest_cstate, data->last_cstate,
1587		     data->wake_reason);
1588	return len + perf_sample__fprintf_pt_spacing(len, fp);
1589}
1590
1591static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1592{
1593	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1594	unsigned int percent, freq;
1595	int len;
1596
1597	if (perf_sample__bad_synth_size(sample, *data))
1598		return 0;
1599
1600	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1601	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1602	if (data->max_nonturbo) {
1603		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1604		len += fprintf(fp, "(%3u%%) ", percent);
1605	}
1606	return len + perf_sample__fprintf_pt_spacing(len, fp);
1607}
1608
1609static int perf_sample__fprintf_synth(struct perf_sample *sample,
1610				      struct evsel *evsel, FILE *fp)
1611{
1612	switch (evsel->core.attr.config) {
1613	case PERF_SYNTH_INTEL_PTWRITE:
1614		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1615	case PERF_SYNTH_INTEL_MWAIT:
1616		return perf_sample__fprintf_synth_mwait(sample, fp);
1617	case PERF_SYNTH_INTEL_PWRE:
1618		return perf_sample__fprintf_synth_pwre(sample, fp);
1619	case PERF_SYNTH_INTEL_EXSTOP:
1620		return perf_sample__fprintf_synth_exstop(sample, fp);
1621	case PERF_SYNTH_INTEL_PWRX:
1622		return perf_sample__fprintf_synth_pwrx(sample, fp);
1623	case PERF_SYNTH_INTEL_CBR:
1624		return perf_sample__fprintf_synth_cbr(sample, fp);
1625	default:
1626		break;
1627	}
1628
1629	return 0;
1630}
1631
1632struct perf_script {
1633	struct perf_tool	tool;
1634	struct perf_session	*session;
1635	bool			show_task_events;
1636	bool			show_mmap_events;
1637	bool			show_switch_events;
1638	bool			show_namespace_events;
1639	bool			show_lost_events;
1640	bool			show_round_events;
1641	bool			show_bpf_events;
1642	bool			allocated;
1643	bool			per_event_dump;
1644	struct evswitch		evswitch;
1645	struct perf_cpu_map	*cpus;
1646	struct perf_thread_map *threads;
1647	int			name_width;
1648	const char              *time_str;
1649	struct perf_time_interval *ptime_range;
1650	int			range_size;
1651	int			range_num;
1652};
1653
1654static int perf_evlist__max_name_len(struct evlist *evlist)
1655{
1656	struct evsel *evsel;
1657	int max = 0;
1658
1659	evlist__for_each_entry(evlist, evsel) {
1660		int len = strlen(perf_evsel__name(evsel));
1661
1662		max = MAX(len, max);
1663	}
1664
1665	return max;
1666}
1667
1668static int data_src__fprintf(u64 data_src, FILE *fp)
1669{
1670	struct mem_info mi = { .data_src.val = data_src };
1671	char decode[100];
1672	char out[100];
1673	static int maxlen;
1674	int len;
1675
1676	perf_script__meminfo_scnprintf(decode, 100, &mi);
1677
1678	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1679	if (maxlen < len)
1680		maxlen = len;
1681
1682	return fprintf(fp, "%-*s", maxlen, out);
1683}
1684
1685struct metric_ctx {
1686	struct perf_sample	*sample;
1687	struct thread		*thread;
1688	struct evsel	*evsel;
1689	FILE 			*fp;
1690};
1691
1692static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1693				void *ctx, const char *color,
1694			        const char *fmt,
1695			        const char *unit, double val)
1696{
1697	struct metric_ctx *mctx = ctx;
1698
1699	if (!fmt)
1700		return;
1701	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1702				   PERF_RECORD_SAMPLE, mctx->fp);
1703	fputs("\tmetric: ", mctx->fp);
1704	if (color)
1705		color_fprintf(mctx->fp, color, fmt, val);
1706	else
1707		printf(fmt, val);
1708	fprintf(mctx->fp, " %s\n", unit);
1709}
1710
1711static void script_new_line(struct perf_stat_config *config __maybe_unused,
1712			    void *ctx)
1713{
1714	struct metric_ctx *mctx = ctx;
1715
1716	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1717				   PERF_RECORD_SAMPLE, mctx->fp);
1718	fputs("\tmetric: ", mctx->fp);
1719}
1720
1721static void perf_sample__fprint_metric(struct perf_script *script,
1722				       struct thread *thread,
1723				       struct evsel *evsel,
1724				       struct perf_sample *sample,
1725				       FILE *fp)
1726{
1727	struct perf_stat_output_ctx ctx = {
1728		.print_metric = script_print_metric,
1729		.new_line = script_new_line,
1730		.ctx = &(struct metric_ctx) {
1731				.sample = sample,
1732				.thread = thread,
1733				.evsel  = evsel,
1734				.fp     = fp,
1735			 },
1736		.force_header = false,
1737	};
1738	struct evsel *ev2;
 
1739	u64 val;
1740
 
 
 
 
1741	if (!evsel->stats)
1742		perf_evlist__alloc_stats(script->session->evlist, false);
1743	if (evsel_script(evsel->leader)->gnum++ == 0)
1744		perf_stat__reset_shadow_stats();
1745	val = sample->period * evsel->scale;
1746	perf_stat__update_shadow_stats(evsel,
1747				       val,
1748				       sample->cpu,
1749				       &rt_stat);
1750	evsel_script(evsel)->val = val;
1751	if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1752		for_each_group_member (ev2, evsel->leader) {
1753			perf_stat__print_shadow_stats(&stat_config, ev2,
1754						      evsel_script(ev2)->val,
1755						      sample->cpu,
1756						      &ctx,
1757						      NULL,
1758						      &rt_stat);
1759		}
1760		evsel_script(evsel->leader)->gnum = 0;
1761	}
1762}
1763
1764static bool show_event(struct perf_sample *sample,
1765		       struct evsel *evsel,
1766		       struct thread *thread,
1767		       struct addr_location *al)
1768{
1769	int depth = thread_stack__depth(thread, sample->cpu);
1770
1771	if (!symbol_conf.graph_function)
1772		return true;
1773
1774	if (thread->filter) {
1775		if (depth <= thread->filter_entry_depth) {
1776			thread->filter = false;
1777			return false;
1778		}
1779		return true;
1780	} else {
1781		const char *s = symbol_conf.graph_function;
1782		u64 ip;
1783		const char *name = resolve_branch_sym(sample, evsel, thread, al,
1784				&ip);
1785		unsigned nlen;
1786
1787		if (!name)
1788			return false;
1789		nlen = strlen(name);
1790		while (*s) {
1791			unsigned len = strcspn(s, ",");
1792			if (nlen == len && !strncmp(name, s, len)) {
1793				thread->filter = true;
1794				thread->filter_entry_depth = depth;
1795				return true;
1796			}
1797			s += len;
1798			if (*s == ',')
1799				s++;
1800		}
1801		return false;
1802	}
1803}
1804
1805static void process_event(struct perf_script *script,
1806			  struct perf_sample *sample, struct evsel *evsel,
1807			  struct addr_location *al,
1808			  struct machine *machine)
1809{
1810	struct thread *thread = al->thread;
1811	struct perf_event_attr *attr = &evsel->core.attr;
1812	unsigned int type = output_type(attr->type);
1813	struct evsel_script *es = evsel->priv;
1814	FILE *fp = es->fp;
1815
1816	if (output[type].fields == 0)
1817		return;
1818
1819	if (!show_event(sample, evsel, thread, al))
1820		return;
1821
1822	if (evswitch__discard(&script->evswitch, evsel))
1823		return;
1824
1825	++es->samples;
1826
1827	perf_sample__fprintf_start(sample, thread, evsel,
1828				   PERF_RECORD_SAMPLE, fp);
1829
1830	if (PRINT_FIELD(PERIOD))
1831		fprintf(fp, "%10" PRIu64 " ", sample->period);
1832
1833	if (PRINT_FIELD(EVNAME)) {
1834		const char *evname = perf_evsel__name(evsel);
1835
1836		if (!script->name_width)
1837			script->name_width = perf_evlist__max_name_len(script->session->evlist);
1838
1839		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1840	}
1841
1842	if (print_flags)
1843		perf_sample__fprintf_flags(sample->flags, fp);
1844
1845	if (is_bts_event(attr)) {
1846		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1847		return;
1848	}
1849
1850	if (PRINT_FIELD(TRACE) && sample->raw_data) {
1851		event_format__fprintf(evsel->tp_format, sample->cpu,
1852				      sample->raw_data, sample->raw_size, fp);
1853	}
1854
1855	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1856		perf_sample__fprintf_synth(sample, evsel, fp);
1857
1858	if (PRINT_FIELD(ADDR))
1859		perf_sample__fprintf_addr(sample, thread, attr, fp);
1860
1861	if (PRINT_FIELD(DATA_SRC))
1862		data_src__fprintf(sample->data_src, fp);
1863
1864	if (PRINT_FIELD(WEIGHT))
1865		fprintf(fp, "%16" PRIu64, sample->weight);
1866
1867	if (PRINT_FIELD(IP)) {
1868		struct callchain_cursor *cursor = NULL;
1869
1870		if (symbol_conf.use_callchain && sample->callchain &&
1871		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1872					      sample, NULL, NULL, scripting_max_stack) == 0)
1873			cursor = &callchain_cursor;
1874
1875		fputc(cursor ? '\n' : ' ', fp);
1876		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1877				    symbol_conf.bt_stop_list, fp);
1878	}
1879
1880	if (PRINT_FIELD(IREGS))
1881		perf_sample__fprintf_iregs(sample, attr, fp);
1882
1883	if (PRINT_FIELD(UREGS))
1884		perf_sample__fprintf_uregs(sample, attr, fp);
1885
1886	if (PRINT_FIELD(BRSTACK))
1887		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1888	else if (PRINT_FIELD(BRSTACKSYM))
1889		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1890	else if (PRINT_FIELD(BRSTACKOFF))
1891		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1892
1893	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1894		perf_sample__fprintf_bpf_output(sample, fp);
1895	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1896
1897	if (PRINT_FIELD(PHYS_ADDR))
1898		fprintf(fp, "%16" PRIx64, sample->phys_addr);
1899
1900	perf_sample__fprintf_ipc(sample, attr, fp);
1901
1902	fprintf(fp, "\n");
1903
1904	if (PRINT_FIELD(SRCCODE)) {
1905		if (map__fprintf_srccode(al->map, al->addr, stdout,
1906					 &thread->srccode_state))
1907			printf("\n");
1908	}
1909
1910	if (PRINT_FIELD(METRIC))
1911		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1912
1913	if (verbose)
1914		fflush(fp);
1915}
1916
1917static struct scripting_ops	*scripting_ops;
1918
1919static void __process_stat(struct evsel *counter, u64 tstamp)
1920{
1921	int nthreads = perf_thread_map__nr(counter->core.threads);
1922	int ncpus = perf_evsel__nr_cpus(counter);
1923	int cpu, thread;
1924	static int header_printed;
1925
1926	if (counter->core.system_wide)
1927		nthreads = 1;
1928
1929	if (!header_printed) {
1930		printf("%3s %8s %15s %15s %15s %15s %s\n",
1931		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1932		header_printed = 1;
1933	}
1934
1935	for (thread = 0; thread < nthreads; thread++) {
1936		for (cpu = 0; cpu < ncpus; cpu++) {
1937			struct perf_counts_values *counts;
1938
1939			counts = perf_counts(counter->counts, cpu, thread);
1940
1941			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1942				counter->core.cpus->map[cpu],
1943				perf_thread_map__pid(counter->core.threads, thread),
1944				counts->val,
1945				counts->ena,
1946				counts->run,
1947				tstamp,
1948				perf_evsel__name(counter));
1949		}
1950	}
1951}
1952
1953static void process_stat(struct evsel *counter, u64 tstamp)
1954{
1955	if (scripting_ops && scripting_ops->process_stat)
1956		scripting_ops->process_stat(&stat_config, counter, tstamp);
1957	else
1958		__process_stat(counter, tstamp);
1959}
1960
1961static void process_stat_interval(u64 tstamp)
1962{
1963	if (scripting_ops && scripting_ops->process_stat_interval)
1964		scripting_ops->process_stat_interval(tstamp);
1965}
1966
1967static void setup_scripting(void)
1968{
1969	setup_perl_scripting();
1970	setup_python_scripting();
1971}
1972
1973static int flush_scripting(void)
1974{
1975	return scripting_ops ? scripting_ops->flush_script() : 0;
1976}
1977
1978static int cleanup_scripting(void)
1979{
1980	pr_debug("\nperf script stopped\n");
1981
1982	return scripting_ops ? scripting_ops->stop_script() : 0;
1983}
1984
1985static bool filter_cpu(struct perf_sample *sample)
1986{
1987	if (cpu_list)
1988		return !test_bit(sample->cpu, cpu_bitmap);
1989	return false;
1990}
1991
1992static int process_sample_event(struct perf_tool *tool,
1993				union perf_event *event,
1994				struct perf_sample *sample,
1995				struct evsel *evsel,
1996				struct machine *machine)
1997{
1998	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1999	struct addr_location al;
2000
2001	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2002					  sample->time)) {
2003		return 0;
2004	}
2005
2006	if (debug_mode) {
2007		if (sample->time < last_timestamp) {
2008			pr_err("Samples misordered, previous: %" PRIu64
2009				" this: %" PRIu64 "\n", last_timestamp,
2010				sample->time);
2011			nr_unordered++;
2012		}
2013		last_timestamp = sample->time;
2014		return 0;
2015	}
2016
2017	if (machine__resolve(machine, &al, sample) < 0) {
2018		pr_err("problem processing %d event, skipping it.\n",
2019		       event->header.type);
2020		return -1;
2021	}
2022
2023	if (al.filtered)
2024		goto out_put;
2025
2026	if (filter_cpu(sample))
2027		goto out_put;
2028
2029	if (scripting_ops)
2030		scripting_ops->process_event(event, sample, evsel, &al);
2031	else
2032		process_event(scr, sample, evsel, &al, machine);
2033
2034out_put:
2035	addr_location__put(&al);
2036	return 0;
2037}
2038
2039static int process_attr(struct perf_tool *tool, union perf_event *event,
2040			struct evlist **pevlist)
2041{
2042	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2043	struct evlist *evlist;
2044	struct evsel *evsel, *pos;
2045	int err;
2046	static struct evsel_script *es;
2047
2048	err = perf_event__process_attr(tool, event, pevlist);
2049	if (err)
2050		return err;
2051
2052	evlist = *pevlist;
2053	evsel = evlist__last(*pevlist);
2054
2055	if (!evsel->priv) {
2056		if (scr->per_event_dump) {
2057			evsel->priv = perf_evsel_script__new(evsel,
2058						scr->session->data);
2059		} else {
2060			es = zalloc(sizeof(*es));
2061			if (!es)
2062				return -ENOMEM;
2063			es->fp = stdout;
2064			evsel->priv = es;
2065		}
2066	}
2067
2068	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2069	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2070		return 0;
2071
2072	evlist__for_each_entry(evlist, pos) {
2073		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2074			return 0;
2075	}
2076
2077	set_print_ip_opts(&evsel->core.attr);
2078
2079	if (evsel->core.attr.sample_type)
2080		err = perf_evsel__check_attr(evsel, scr->session);
2081
2082	return err;
2083}
2084
2085static int process_comm_event(struct perf_tool *tool,
2086			      union perf_event *event,
2087			      struct perf_sample *sample,
2088			      struct machine *machine)
2089{
2090	struct thread *thread;
2091	struct perf_script *script = container_of(tool, struct perf_script, tool);
2092	struct perf_session *session = script->session;
2093	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2094	int ret = -1;
2095
2096	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2097	if (thread == NULL) {
2098		pr_debug("problem processing COMM event, skipping it.\n");
2099		return -1;
2100	}
2101
2102	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2103		goto out;
2104
2105	if (!evsel->core.attr.sample_id_all) {
2106		sample->cpu = 0;
2107		sample->time = 0;
2108		sample->tid = event->comm.tid;
2109		sample->pid = event->comm.pid;
2110	}
2111	if (!filter_cpu(sample)) {
2112		perf_sample__fprintf_start(sample, thread, evsel,
2113				   PERF_RECORD_COMM, stdout);
2114		perf_event__fprintf(event, stdout);
2115	}
2116	ret = 0;
2117out:
2118	thread__put(thread);
2119	return ret;
2120}
2121
2122static int process_namespaces_event(struct perf_tool *tool,
2123				    union perf_event *event,
2124				    struct perf_sample *sample,
2125				    struct machine *machine)
2126{
2127	struct thread *thread;
2128	struct perf_script *script = container_of(tool, struct perf_script, tool);
2129	struct perf_session *session = script->session;
2130	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2131	int ret = -1;
2132
2133	thread = machine__findnew_thread(machine, event->namespaces.pid,
2134					 event->namespaces.tid);
2135	if (thread == NULL) {
2136		pr_debug("problem processing NAMESPACES event, skipping it.\n");
2137		return -1;
2138	}
2139
2140	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2141		goto out;
2142
2143	if (!evsel->core.attr.sample_id_all) {
2144		sample->cpu = 0;
2145		sample->time = 0;
2146		sample->tid = event->namespaces.tid;
2147		sample->pid = event->namespaces.pid;
2148	}
2149	if (!filter_cpu(sample)) {
2150		perf_sample__fprintf_start(sample, thread, evsel,
2151					   PERF_RECORD_NAMESPACES, stdout);
2152		perf_event__fprintf(event, stdout);
2153	}
2154	ret = 0;
2155out:
2156	thread__put(thread);
2157	return ret;
2158}
2159
2160static int process_fork_event(struct perf_tool *tool,
2161			      union perf_event *event,
2162			      struct perf_sample *sample,
2163			      struct machine *machine)
2164{
2165	struct thread *thread;
2166	struct perf_script *script = container_of(tool, struct perf_script, tool);
2167	struct perf_session *session = script->session;
2168	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2169
2170	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2171		return -1;
2172
2173	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2174	if (thread == NULL) {
2175		pr_debug("problem processing FORK event, skipping it.\n");
2176		return -1;
2177	}
2178
2179	if (!evsel->core.attr.sample_id_all) {
2180		sample->cpu = 0;
2181		sample->time = event->fork.time;
2182		sample->tid = event->fork.tid;
2183		sample->pid = event->fork.pid;
2184	}
2185	if (!filter_cpu(sample)) {
2186		perf_sample__fprintf_start(sample, thread, evsel,
2187					   PERF_RECORD_FORK, stdout);
2188		perf_event__fprintf(event, stdout);
2189	}
2190	thread__put(thread);
2191
2192	return 0;
2193}
2194static int process_exit_event(struct perf_tool *tool,
2195			      union perf_event *event,
2196			      struct perf_sample *sample,
2197			      struct machine *machine)
2198{
2199	int err = 0;
2200	struct thread *thread;
2201	struct perf_script *script = container_of(tool, struct perf_script, tool);
2202	struct perf_session *session = script->session;
2203	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2204
2205	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2206	if (thread == NULL) {
2207		pr_debug("problem processing EXIT event, skipping it.\n");
2208		return -1;
2209	}
2210
2211	if (!evsel->core.attr.sample_id_all) {
2212		sample->cpu = 0;
2213		sample->time = 0;
2214		sample->tid = event->fork.tid;
2215		sample->pid = event->fork.pid;
2216	}
2217	if (!filter_cpu(sample)) {
2218		perf_sample__fprintf_start(sample, thread, evsel,
2219					   PERF_RECORD_EXIT, stdout);
2220		perf_event__fprintf(event, stdout);
2221	}
2222
2223	if (perf_event__process_exit(tool, event, sample, machine) < 0)
2224		err = -1;
2225
2226	thread__put(thread);
2227	return err;
2228}
2229
2230static int process_mmap_event(struct perf_tool *tool,
2231			      union perf_event *event,
2232			      struct perf_sample *sample,
2233			      struct machine *machine)
2234{
2235	struct thread *thread;
2236	struct perf_script *script = container_of(tool, struct perf_script, tool);
2237	struct perf_session *session = script->session;
2238	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2239
2240	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2241		return -1;
2242
2243	thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2244	if (thread == NULL) {
2245		pr_debug("problem processing MMAP event, skipping it.\n");
2246		return -1;
2247	}
2248
2249	if (!evsel->core.attr.sample_id_all) {
2250		sample->cpu = 0;
2251		sample->time = 0;
2252		sample->tid = event->mmap.tid;
2253		sample->pid = event->mmap.pid;
2254	}
2255	if (!filter_cpu(sample)) {
2256		perf_sample__fprintf_start(sample, thread, evsel,
2257					   PERF_RECORD_MMAP, stdout);
2258		perf_event__fprintf(event, stdout);
2259	}
2260	thread__put(thread);
2261	return 0;
2262}
2263
2264static int process_mmap2_event(struct perf_tool *tool,
2265			      union perf_event *event,
2266			      struct perf_sample *sample,
2267			      struct machine *machine)
2268{
2269	struct thread *thread;
2270	struct perf_script *script = container_of(tool, struct perf_script, tool);
2271	struct perf_session *session = script->session;
2272	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2273
2274	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2275		return -1;
2276
2277	thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2278	if (thread == NULL) {
2279		pr_debug("problem processing MMAP2 event, skipping it.\n");
2280		return -1;
2281	}
2282
2283	if (!evsel->core.attr.sample_id_all) {
2284		sample->cpu = 0;
2285		sample->time = 0;
2286		sample->tid = event->mmap2.tid;
2287		sample->pid = event->mmap2.pid;
2288	}
2289	if (!filter_cpu(sample)) {
2290		perf_sample__fprintf_start(sample, thread, evsel,
2291					   PERF_RECORD_MMAP2, stdout);
2292		perf_event__fprintf(event, stdout);
2293	}
2294	thread__put(thread);
2295	return 0;
2296}
2297
2298static int process_switch_event(struct perf_tool *tool,
2299				union perf_event *event,
2300				struct perf_sample *sample,
2301				struct machine *machine)
2302{
2303	struct thread *thread;
2304	struct perf_script *script = container_of(tool, struct perf_script, tool);
2305	struct perf_session *session = script->session;
2306	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2307
2308	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2309		return -1;
2310
2311	if (scripting_ops && scripting_ops->process_switch)
2312		scripting_ops->process_switch(event, sample, machine);
2313
2314	if (!script->show_switch_events)
2315		return 0;
2316
2317	thread = machine__findnew_thread(machine, sample->pid,
2318					 sample->tid);
2319	if (thread == NULL) {
2320		pr_debug("problem processing SWITCH event, skipping it.\n");
2321		return -1;
2322	}
2323
2324	if (!filter_cpu(sample)) {
2325		perf_sample__fprintf_start(sample, thread, evsel,
2326					   PERF_RECORD_SWITCH, stdout);
2327		perf_event__fprintf(event, stdout);
2328	}
2329	thread__put(thread);
2330	return 0;
2331}
2332
2333static int
2334process_lost_event(struct perf_tool *tool,
2335		   union perf_event *event,
2336		   struct perf_sample *sample,
2337		   struct machine *machine)
2338{
2339	struct perf_script *script = container_of(tool, struct perf_script, tool);
2340	struct perf_session *session = script->session;
2341	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2342	struct thread *thread;
2343
2344	thread = machine__findnew_thread(machine, sample->pid,
2345					 sample->tid);
2346	if (thread == NULL)
2347		return -1;
2348
2349	if (!filter_cpu(sample)) {
2350		perf_sample__fprintf_start(sample, thread, evsel,
2351					   PERF_RECORD_LOST, stdout);
2352		perf_event__fprintf(event, stdout);
2353	}
2354	thread__put(thread);
2355	return 0;
2356}
2357
2358static int
2359process_finished_round_event(struct perf_tool *tool __maybe_unused,
2360			     union perf_event *event,
2361			     struct ordered_events *oe __maybe_unused)
2362
2363{
2364	perf_event__fprintf(event, stdout);
2365	return 0;
2366}
2367
2368static int
2369process_bpf_events(struct perf_tool *tool __maybe_unused,
2370		   union perf_event *event,
2371		   struct perf_sample *sample,
2372		   struct machine *machine)
2373{
2374	struct thread *thread;
2375	struct perf_script *script = container_of(tool, struct perf_script, tool);
2376	struct perf_session *session = script->session;
2377	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2378
2379	if (machine__process_ksymbol(machine, event, sample) < 0)
2380		return -1;
2381
2382	if (!evsel->core.attr.sample_id_all) {
2383		perf_event__fprintf(event, stdout);
2384		return 0;
2385	}
2386
2387	thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2388	if (thread == NULL) {
2389		pr_debug("problem processing MMAP event, skipping it.\n");
2390		return -1;
2391	}
2392
2393	if (!filter_cpu(sample)) {
2394		perf_sample__fprintf_start(sample, thread, evsel,
2395					   event->header.type, stdout);
2396		perf_event__fprintf(event, stdout);
2397	}
2398
2399	thread__put(thread);
2400	return 0;
2401}
2402
2403static void sig_handler(int sig __maybe_unused)
2404{
2405	session_done = 1;
2406}
2407
2408static void perf_script__fclose_per_event_dump(struct perf_script *script)
2409{
2410	struct evlist *evlist = script->session->evlist;
2411	struct evsel *evsel;
2412
2413	evlist__for_each_entry(evlist, evsel) {
2414		if (!evsel->priv)
2415			break;
2416		perf_evsel_script__delete(evsel->priv);
2417		evsel->priv = NULL;
2418	}
2419}
2420
2421static int perf_script__fopen_per_event_dump(struct perf_script *script)
2422{
2423	struct evsel *evsel;
2424
2425	evlist__for_each_entry(script->session->evlist, evsel) {
2426		/*
2427		 * Already setup? I.e. we may be called twice in cases like
2428		 * Intel PT, one for the intel_pt// and dummy events, then
2429		 * for the evsels syntheized from the auxtrace info.
2430		 *
2431		 * Ses perf_script__process_auxtrace_info.
2432		 */
2433		if (evsel->priv != NULL)
2434			continue;
2435
2436		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2437		if (evsel->priv == NULL)
2438			goto out_err_fclose;
2439	}
2440
2441	return 0;
2442
2443out_err_fclose:
2444	perf_script__fclose_per_event_dump(script);
2445	return -1;
2446}
2447
2448static int perf_script__setup_per_event_dump(struct perf_script *script)
2449{
2450	struct evsel *evsel;
2451	static struct evsel_script es_stdout;
2452
2453	if (script->per_event_dump)
2454		return perf_script__fopen_per_event_dump(script);
2455
2456	es_stdout.fp = stdout;
2457
2458	evlist__for_each_entry(script->session->evlist, evsel)
2459		evsel->priv = &es_stdout;
2460
2461	return 0;
2462}
2463
2464static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2465{
2466	struct evsel *evsel;
2467
2468	evlist__for_each_entry(script->session->evlist, evsel) {
2469		struct evsel_script *es = evsel->priv;
2470
2471		perf_evsel_script__fprintf(es, stdout);
2472		perf_evsel_script__delete(es);
2473		evsel->priv = NULL;
2474	}
2475}
2476
2477static int __cmd_script(struct perf_script *script)
2478{
2479	int ret;
2480
2481	signal(SIGINT, sig_handler);
2482
2483	perf_stat__init_shadow_stats();
2484
2485	/* override event processing functions */
2486	if (script->show_task_events) {
2487		script->tool.comm = process_comm_event;
2488		script->tool.fork = process_fork_event;
2489		script->tool.exit = process_exit_event;
2490	}
2491	if (script->show_mmap_events) {
2492		script->tool.mmap = process_mmap_event;
2493		script->tool.mmap2 = process_mmap2_event;
2494	}
2495	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2496		script->tool.context_switch = process_switch_event;
2497	if (script->show_namespace_events)
2498		script->tool.namespaces = process_namespaces_event;
2499	if (script->show_lost_events)
2500		script->tool.lost = process_lost_event;
2501	if (script->show_round_events) {
2502		script->tool.ordered_events = false;
2503		script->tool.finished_round = process_finished_round_event;
2504	}
2505	if (script->show_bpf_events) {
2506		script->tool.ksymbol = process_bpf_events;
2507		script->tool.bpf     = process_bpf_events;
2508	}
2509
2510	if (perf_script__setup_per_event_dump(script)) {
2511		pr_err("Couldn't create the per event dump files\n");
2512		return -1;
2513	}
2514
2515	ret = perf_session__process_events(script->session);
2516
2517	if (script->per_event_dump)
2518		perf_script__exit_per_event_dump_stats(script);
2519
2520	if (debug_mode)
2521		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2522
2523	return ret;
2524}
2525
2526struct script_spec {
2527	struct list_head	node;
2528	struct scripting_ops	*ops;
2529	char			spec[0];
2530};
2531
2532static LIST_HEAD(script_specs);
2533
2534static struct script_spec *script_spec__new(const char *spec,
2535					    struct scripting_ops *ops)
2536{
2537	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2538
2539	if (s != NULL) {
2540		strcpy(s->spec, spec);
2541		s->ops = ops;
2542	}
2543
2544	return s;
2545}
2546
2547static void script_spec__add(struct script_spec *s)
2548{
2549	list_add_tail(&s->node, &script_specs);
2550}
2551
2552static struct script_spec *script_spec__find(const char *spec)
2553{
2554	struct script_spec *s;
2555
2556	list_for_each_entry(s, &script_specs, node)
2557		if (strcasecmp(s->spec, spec) == 0)
2558			return s;
2559	return NULL;
2560}
2561
2562int script_spec_register(const char *spec, struct scripting_ops *ops)
2563{
2564	struct script_spec *s;
2565
2566	s = script_spec__find(spec);
2567	if (s)
2568		return -1;
2569
2570	s = script_spec__new(spec, ops);
2571	if (!s)
2572		return -1;
2573	else
2574		script_spec__add(s);
2575
2576	return 0;
2577}
2578
2579static struct scripting_ops *script_spec__lookup(const char *spec)
2580{
2581	struct script_spec *s = script_spec__find(spec);
2582	if (!s)
2583		return NULL;
2584
2585	return s->ops;
2586}
2587
2588static void list_available_languages(void)
2589{
2590	struct script_spec *s;
2591
2592	fprintf(stderr, "\n");
2593	fprintf(stderr, "Scripting language extensions (used in "
2594		"perf script -s [spec:]script.[spec]):\n\n");
2595
2596	list_for_each_entry(s, &script_specs, node)
2597		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2598
2599	fprintf(stderr, "\n");
2600}
2601
2602static int parse_scriptname(const struct option *opt __maybe_unused,
2603			    const char *str, int unset __maybe_unused)
2604{
2605	char spec[PATH_MAX];
2606	const char *script, *ext;
2607	int len;
2608
2609	if (strcmp(str, "lang") == 0) {
2610		list_available_languages();
2611		exit(0);
2612	}
2613
2614	script = strchr(str, ':');
2615	if (script) {
2616		len = script - str;
2617		if (len >= PATH_MAX) {
2618			fprintf(stderr, "invalid language specifier");
2619			return -1;
2620		}
2621		strncpy(spec, str, len);
2622		spec[len] = '\0';
2623		scripting_ops = script_spec__lookup(spec);
2624		if (!scripting_ops) {
2625			fprintf(stderr, "invalid language specifier");
2626			return -1;
2627		}
2628		script++;
2629	} else {
2630		script = str;
2631		ext = strrchr(script, '.');
2632		if (!ext) {
2633			fprintf(stderr, "invalid script extension");
2634			return -1;
2635		}
2636		scripting_ops = script_spec__lookup(++ext);
2637		if (!scripting_ops) {
2638			fprintf(stderr, "invalid script extension");
2639			return -1;
2640		}
2641	}
2642
2643	script_name = strdup(script);
2644
2645	return 0;
2646}
2647
2648static int parse_output_fields(const struct option *opt __maybe_unused,
2649			    const char *arg, int unset __maybe_unused)
2650{
2651	char *tok, *strtok_saveptr = NULL;
2652	int i, imax = ARRAY_SIZE(all_output_options);
2653	int j;
2654	int rc = 0;
2655	char *str = strdup(arg);
2656	int type = -1;
2657	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2658
2659	if (!str)
2660		return -ENOMEM;
2661
2662	/* first word can state for which event type the user is specifying
2663	 * the fields. If no type exists, the specified fields apply to all
2664	 * event types found in the file minus the invalid fields for a type.
2665	 */
2666	tok = strchr(str, ':');
2667	if (tok) {
2668		*tok = '\0';
2669		tok++;
2670		if (!strcmp(str, "hw"))
2671			type = PERF_TYPE_HARDWARE;
2672		else if (!strcmp(str, "sw"))
2673			type = PERF_TYPE_SOFTWARE;
2674		else if (!strcmp(str, "trace"))
2675			type = PERF_TYPE_TRACEPOINT;
2676		else if (!strcmp(str, "raw"))
2677			type = PERF_TYPE_RAW;
2678		else if (!strcmp(str, "break"))
2679			type = PERF_TYPE_BREAKPOINT;
2680		else if (!strcmp(str, "synth"))
2681			type = OUTPUT_TYPE_SYNTH;
2682		else {
2683			fprintf(stderr, "Invalid event type in field string.\n");
2684			rc = -EINVAL;
2685			goto out;
2686		}
2687
2688		if (output[type].user_set)
2689			pr_warning("Overriding previous field request for %s events.\n",
2690				   event_type(type));
2691
2692		/* Don't override defaults for +- */
2693		if (strchr(tok, '+') || strchr(tok, '-'))
2694			goto parse;
2695
2696		output[type].fields = 0;
2697		output[type].user_set = true;
2698		output[type].wildcard_set = false;
2699
2700	} else {
2701		tok = str;
2702		if (strlen(str) == 0) {
2703			fprintf(stderr,
2704				"Cannot set fields to 'none' for all event types.\n");
2705			rc = -EINVAL;
2706			goto out;
2707		}
2708
2709		/* Don't override defaults for +- */
2710		if (strchr(str, '+') || strchr(str, '-'))
2711			goto parse;
2712
2713		if (output_set_by_user())
2714			pr_warning("Overriding previous field request for all events.\n");
2715
2716		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2717			output[j].fields = 0;
2718			output[j].user_set = true;
2719			output[j].wildcard_set = true;
2720		}
2721	}
2722
2723parse:
2724	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2725		if (*tok == '+') {
2726			if (change == SET)
2727				goto out_badmix;
2728			change = ADD;
2729			tok++;
2730		} else if (*tok == '-') {
2731			if (change == SET)
2732				goto out_badmix;
2733			change = REMOVE;
2734			tok++;
2735		} else {
2736			if (change != SET && change != DEFAULT)
2737				goto out_badmix;
2738			change = SET;
2739		}
2740
2741		for (i = 0; i < imax; ++i) {
2742			if (strcmp(tok, all_output_options[i].str) == 0)
2743				break;
2744		}
2745		if (i == imax && strcmp(tok, "flags") == 0) {
2746			print_flags = change == REMOVE ? false : true;
2747			continue;
2748		}
2749		if (i == imax) {
2750			fprintf(stderr, "Invalid field requested.\n");
2751			rc = -EINVAL;
2752			goto out;
2753		}
2754
2755		if (type == -1) {
2756			/* add user option to all events types for
2757			 * which it is valid
2758			 */
2759			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2760				if (output[j].invalid_fields & all_output_options[i].field) {
2761					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2762						   all_output_options[i].str, event_type(j));
2763				} else {
2764					if (change == REMOVE) {
2765						output[j].fields &= ~all_output_options[i].field;
2766						output[j].user_set_fields &= ~all_output_options[i].field;
2767					} else {
2768						output[j].fields |= all_output_options[i].field;
2769						output[j].user_set_fields |= all_output_options[i].field;
2770					}
2771					output[j].user_set = true;
2772					output[j].wildcard_set = true;
2773				}
2774			}
2775		} else {
2776			if (output[type].invalid_fields & all_output_options[i].field) {
2777				fprintf(stderr, "\'%s\' not valid for %s events.\n",
2778					 all_output_options[i].str, event_type(type));
2779
2780				rc = -EINVAL;
2781				goto out;
2782			}
2783			if (change == REMOVE)
2784				output[type].fields &= ~all_output_options[i].field;
2785			else
2786				output[type].fields |= all_output_options[i].field;
2787			output[type].user_set = true;
2788			output[type].wildcard_set = true;
2789		}
2790	}
2791
2792	if (type >= 0) {
2793		if (output[type].fields == 0) {
2794			pr_debug("No fields requested for %s type. "
2795				 "Events will not be displayed.\n", event_type(type));
2796		}
2797	}
2798	goto out;
2799
2800out_badmix:
2801	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2802	rc = -EINVAL;
2803out:
2804	free(str);
2805	return rc;
2806}
2807
2808#define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
2809	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
2810		if ((lang_dirent->d_type == DT_DIR ||			\
2811		     (lang_dirent->d_type == DT_UNKNOWN &&		\
2812		      is_directory(scripts_path, lang_dirent))) &&	\
2813		    (strcmp(lang_dirent->d_name, ".")) &&		\
2814		    (strcmp(lang_dirent->d_name, "..")))
2815
2816#define for_each_script(lang_path, lang_dir, script_dirent)		\
2817	while ((script_dirent = readdir(lang_dir)) != NULL)		\
2818		if (script_dirent->d_type != DT_DIR &&			\
2819		    (script_dirent->d_type != DT_UNKNOWN ||		\
2820		     !is_directory(lang_path, script_dirent)))
2821
2822
2823#define RECORD_SUFFIX			"-record"
2824#define REPORT_SUFFIX			"-report"
2825
2826struct script_desc {
2827	struct list_head	node;
2828	char			*name;
2829	char			*half_liner;
2830	char			*args;
2831};
2832
2833static LIST_HEAD(script_descs);
2834
2835static struct script_desc *script_desc__new(const char *name)
2836{
2837	struct script_desc *s = zalloc(sizeof(*s));
2838
2839	if (s != NULL && name)
2840		s->name = strdup(name);
2841
2842	return s;
2843}
2844
2845static void script_desc__delete(struct script_desc *s)
2846{
2847	zfree(&s->name);
2848	zfree(&s->half_liner);
2849	zfree(&s->args);
2850	free(s);
2851}
2852
2853static void script_desc__add(struct script_desc *s)
2854{
2855	list_add_tail(&s->node, &script_descs);
2856}
2857
2858static struct script_desc *script_desc__find(const char *name)
2859{
2860	struct script_desc *s;
2861
2862	list_for_each_entry(s, &script_descs, node)
2863		if (strcasecmp(s->name, name) == 0)
2864			return s;
2865	return NULL;
2866}
2867
2868static struct script_desc *script_desc__findnew(const char *name)
2869{
2870	struct script_desc *s = script_desc__find(name);
2871
2872	if (s)
2873		return s;
2874
2875	s = script_desc__new(name);
2876	if (!s)
2877		return NULL;
2878
2879	script_desc__add(s);
2880
2881	return s;
2882}
2883
2884static const char *ends_with(const char *str, const char *suffix)
2885{
2886	size_t suffix_len = strlen(suffix);
2887	const char *p = str;
2888
2889	if (strlen(str) > suffix_len) {
2890		p = str + strlen(str) - suffix_len;
2891		if (!strncmp(p, suffix, suffix_len))
2892			return p;
2893	}
2894
2895	return NULL;
2896}
2897
2898static int read_script_info(struct script_desc *desc, const char *filename)
2899{
2900	char line[BUFSIZ], *p;
2901	FILE *fp;
2902
2903	fp = fopen(filename, "r");
2904	if (!fp)
2905		return -1;
2906
2907	while (fgets(line, sizeof(line), fp)) {
2908		p = skip_spaces(line);
2909		if (strlen(p) == 0)
2910			continue;
2911		if (*p != '#')
2912			continue;
2913		p++;
2914		if (strlen(p) && *p == '!')
2915			continue;
2916
2917		p = skip_spaces(p);
2918		if (strlen(p) && p[strlen(p) - 1] == '\n')
2919			p[strlen(p) - 1] = '\0';
2920
2921		if (!strncmp(p, "description:", strlen("description:"))) {
2922			p += strlen("description:");
2923			desc->half_liner = strdup(skip_spaces(p));
2924			continue;
2925		}
2926
2927		if (!strncmp(p, "args:", strlen("args:"))) {
2928			p += strlen("args:");
2929			desc->args = strdup(skip_spaces(p));
2930			continue;
2931		}
2932	}
2933
2934	fclose(fp);
2935
2936	return 0;
2937}
2938
2939static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2940{
2941	char *script_root, *str;
2942
2943	script_root = strdup(script_dirent->d_name);
2944	if (!script_root)
2945		return NULL;
2946
2947	str = (char *)ends_with(script_root, suffix);
2948	if (!str) {
2949		free(script_root);
2950		return NULL;
2951	}
2952
2953	*str = '\0';
2954	return script_root;
2955}
2956
2957static int list_available_scripts(const struct option *opt __maybe_unused,
2958				  const char *s __maybe_unused,
2959				  int unset __maybe_unused)
2960{
2961	struct dirent *script_dirent, *lang_dirent;
2962	char scripts_path[MAXPATHLEN];
2963	DIR *scripts_dir, *lang_dir;
2964	char script_path[MAXPATHLEN];
2965	char lang_path[MAXPATHLEN];
2966	struct script_desc *desc;
2967	char first_half[BUFSIZ];
2968	char *script_root;
2969
2970	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2971
2972	scripts_dir = opendir(scripts_path);
2973	if (!scripts_dir) {
2974		fprintf(stdout,
2975			"open(%s) failed.\n"
2976			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2977			scripts_path);
2978		exit(-1);
2979	}
2980
2981	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2982		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2983			  lang_dirent->d_name);
2984		lang_dir = opendir(lang_path);
2985		if (!lang_dir)
2986			continue;
2987
2988		for_each_script(lang_path, lang_dir, script_dirent) {
2989			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2990			if (script_root) {
2991				desc = script_desc__findnew(script_root);
2992				scnprintf(script_path, MAXPATHLEN, "%s/%s",
2993					  lang_path, script_dirent->d_name);
2994				read_script_info(desc, script_path);
2995				free(script_root);
2996			}
2997		}
2998	}
2999
3000	fprintf(stdout, "List of available trace scripts:\n");
3001	list_for_each_entry(desc, &script_descs, node) {
3002		sprintf(first_half, "%s %s", desc->name,
3003			desc->args ? desc->args : "");
3004		fprintf(stdout, "  %-36s %s\n", first_half,
3005			desc->half_liner ? desc->half_liner : "");
3006	}
3007
3008	exit(0);
3009}
3010
3011/*
3012 * Some scripts specify the required events in their "xxx-record" file,
3013 * this function will check if the events in perf.data match those
3014 * mentioned in the "xxx-record".
3015 *
3016 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3017 * which is covered well now. And new parsing code should be added to
3018 * cover the future complexing formats like event groups etc.
3019 */
3020static int check_ev_match(char *dir_name, char *scriptname,
3021			struct perf_session *session)
3022{
3023	char filename[MAXPATHLEN], evname[128];
3024	char line[BUFSIZ], *p;
3025	struct evsel *pos;
3026	int match, len;
3027	FILE *fp;
3028
3029	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3030
3031	fp = fopen(filename, "r");
3032	if (!fp)
3033		return -1;
3034
3035	while (fgets(line, sizeof(line), fp)) {
3036		p = skip_spaces(line);
3037		if (*p == '#')
3038			continue;
3039
3040		while (strlen(p)) {
3041			p = strstr(p, "-e");
3042			if (!p)
3043				break;
3044
3045			p += 2;
3046			p = skip_spaces(p);
3047			len = strcspn(p, " \t");
3048			if (!len)
3049				break;
3050
3051			snprintf(evname, len + 1, "%s", p);
3052
3053			match = 0;
3054			evlist__for_each_entry(session->evlist, pos) {
3055				if (!strcmp(perf_evsel__name(pos), evname)) {
3056					match = 1;
3057					break;
3058				}
3059			}
3060
3061			if (!match) {
3062				fclose(fp);
3063				return -1;
3064			}
3065		}
3066	}
3067
3068	fclose(fp);
3069	return 0;
3070}
3071
3072/*
3073 * Return -1 if none is found, otherwise the actual scripts number.
3074 *
3075 * Currently the only user of this function is the script browser, which
3076 * will list all statically runnable scripts, select one, execute it and
3077 * show the output in a perf browser.
3078 */
3079int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3080		 int pathlen)
3081{
3082	struct dirent *script_dirent, *lang_dirent;
3083	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3084	DIR *scripts_dir, *lang_dir;
3085	struct perf_session *session;
3086	struct perf_data data = {
3087		.path = input_name,
3088		.mode = PERF_DATA_MODE_READ,
 
 
3089	};
3090	char *temp;
3091	int i = 0;
3092
3093	session = perf_session__new(&data, false, NULL);
3094	if (IS_ERR(session))
3095		return PTR_ERR(session);
3096
3097	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3098
3099	scripts_dir = opendir(scripts_path);
3100	if (!scripts_dir) {
3101		perf_session__delete(session);
3102		return -1;
3103	}
3104
3105	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3106		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3107			  lang_dirent->d_name);
3108#ifndef HAVE_LIBPERL_SUPPORT
3109		if (strstr(lang_path, "perl"))
3110			continue;
3111#endif
3112#ifndef HAVE_LIBPYTHON_SUPPORT
3113		if (strstr(lang_path, "python"))
3114			continue;
3115#endif
3116
3117		lang_dir = opendir(lang_path);
3118		if (!lang_dir)
3119			continue;
3120
3121		for_each_script(lang_path, lang_dir, script_dirent) {
3122			/* Skip those real time scripts: xxxtop.p[yl] */
3123			if (strstr(script_dirent->d_name, "top."))
3124				continue;
3125			if (i >= num)
3126				break;
3127			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3128				lang_path,
3129				script_dirent->d_name);
3130			temp = strchr(script_dirent->d_name, '.');
3131			snprintf(scripts_array[i],
3132				(temp - script_dirent->d_name) + 1,
3133				"%s", script_dirent->d_name);
3134
3135			if (check_ev_match(lang_path,
3136					scripts_array[i], session))
3137				continue;
3138
3139			i++;
3140		}
3141		closedir(lang_dir);
3142	}
3143
3144	closedir(scripts_dir);
3145	perf_session__delete(session);
3146	return i;
3147}
3148
3149static char *get_script_path(const char *script_root, const char *suffix)
3150{
3151	struct dirent *script_dirent, *lang_dirent;
3152	char scripts_path[MAXPATHLEN];
3153	char script_path[MAXPATHLEN];
3154	DIR *scripts_dir, *lang_dir;
3155	char lang_path[MAXPATHLEN];
3156	char *__script_root;
3157
3158	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3159
3160	scripts_dir = opendir(scripts_path);
3161	if (!scripts_dir)
3162		return NULL;
3163
3164	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3165		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3166			  lang_dirent->d_name);
3167		lang_dir = opendir(lang_path);
3168		if (!lang_dir)
3169			continue;
3170
3171		for_each_script(lang_path, lang_dir, script_dirent) {
3172			__script_root = get_script_root(script_dirent, suffix);
3173			if (__script_root && !strcmp(script_root, __script_root)) {
3174				free(__script_root);
3175				closedir(lang_dir);
3176				closedir(scripts_dir);
3177				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3178					  lang_path, script_dirent->d_name);
3179				return strdup(script_path);
3180			}
3181			free(__script_root);
3182		}
3183		closedir(lang_dir);
3184	}
3185	closedir(scripts_dir);
3186
3187	return NULL;
3188}
3189
3190static bool is_top_script(const char *script_path)
3191{
3192	return ends_with(script_path, "top") == NULL ? false : true;
3193}
3194
3195static int has_required_arg(char *script_path)
3196{
3197	struct script_desc *desc;
3198	int n_args = 0;
3199	char *p;
3200
3201	desc = script_desc__new(NULL);
3202
3203	if (read_script_info(desc, script_path))
3204		goto out;
3205
3206	if (!desc->args)
3207		goto out;
3208
3209	for (p = desc->args; *p; p++)
3210		if (*p == '<')
3211			n_args++;
3212out:
3213	script_desc__delete(desc);
3214
3215	return n_args;
3216}
3217
3218static int have_cmd(int argc, const char **argv)
3219{
3220	char **__argv = malloc(sizeof(const char *) * argc);
3221
3222	if (!__argv) {
3223		pr_err("malloc failed\n");
3224		return -1;
3225	}
3226
3227	memcpy(__argv, argv, sizeof(const char *) * argc);
3228	argc = parse_options(argc, (const char **)__argv, record_options,
3229			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3230	free(__argv);
3231
3232	system_wide = (argc == 0);
3233
3234	return 0;
3235}
3236
3237static void script__setup_sample_type(struct perf_script *script)
3238{
3239	struct perf_session *session = script->session;
3240	u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3241
3242	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3243		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3244		    (sample_type & PERF_SAMPLE_STACK_USER)) {
3245			callchain_param.record_mode = CALLCHAIN_DWARF;
3246			dwarf_callchain_users = true;
3247		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3248			callchain_param.record_mode = CALLCHAIN_LBR;
3249		else
3250			callchain_param.record_mode = CALLCHAIN_FP;
3251	}
3252}
3253
3254static int process_stat_round_event(struct perf_session *session,
3255				    union perf_event *event)
 
3256{
3257	struct perf_record_stat_round *round = &event->stat_round;
3258	struct evsel *counter;
3259
3260	evlist__for_each_entry(session->evlist, counter) {
3261		perf_stat_process_counter(&stat_config, counter);
3262		process_stat(counter, round->time);
3263	}
3264
3265	process_stat_interval(round->time);
3266	return 0;
3267}
3268
3269static int process_stat_config_event(struct perf_session *session __maybe_unused,
3270				     union perf_event *event)
 
3271{
3272	perf_event__read_stat_config(&stat_config, &event->stat_config);
3273	return 0;
3274}
3275
3276static int set_maps(struct perf_script *script)
3277{
3278	struct evlist *evlist = script->session->evlist;
3279
3280	if (!script->cpus || !script->threads)
3281		return 0;
3282
3283	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3284		return -EINVAL;
3285
3286	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3287
3288	if (perf_evlist__alloc_stats(evlist, true))
3289		return -ENOMEM;
3290
3291	script->allocated = true;
3292	return 0;
3293}
3294
3295static
3296int process_thread_map_event(struct perf_session *session,
3297			     union perf_event *event)
 
3298{
3299	struct perf_tool *tool = session->tool;
3300	struct perf_script *script = container_of(tool, struct perf_script, tool);
3301
3302	if (script->threads) {
3303		pr_warning("Extra thread map event, ignoring.\n");
3304		return 0;
3305	}
3306
3307	script->threads = thread_map__new_event(&event->thread_map);
3308	if (!script->threads)
3309		return -ENOMEM;
3310
3311	return set_maps(script);
3312}
3313
3314static
3315int process_cpu_map_event(struct perf_session *session,
3316			  union perf_event *event)
 
3317{
3318	struct perf_tool *tool = session->tool;
3319	struct perf_script *script = container_of(tool, struct perf_script, tool);
3320
3321	if (script->cpus) {
3322		pr_warning("Extra cpu map event, ignoring.\n");
3323		return 0;
3324	}
3325
3326	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3327	if (!script->cpus)
3328		return -ENOMEM;
3329
3330	return set_maps(script);
3331}
3332
3333static int process_feature_event(struct perf_session *session,
3334				 union perf_event *event)
3335{
3336	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3337		return perf_event__process_feature(session, event);
3338	return 0;
3339}
3340
3341#ifdef HAVE_AUXTRACE_SUPPORT
3342static int perf_script__process_auxtrace_info(struct perf_session *session,
3343					      union perf_event *event)
 
3344{
3345	struct perf_tool *tool = session->tool;
3346
3347	int ret = perf_event__process_auxtrace_info(session, event);
3348
3349	if (ret == 0) {
3350		struct perf_script *script = container_of(tool, struct perf_script, tool);
3351
3352		ret = perf_script__setup_per_event_dump(script);
3353	}
3354
3355	return ret;
3356}
3357#else
3358#define perf_script__process_auxtrace_info 0
3359#endif
3360
3361static int parse_insn_trace(const struct option *opt __maybe_unused,
3362			    const char *str __maybe_unused,
3363			    int unset __maybe_unused)
3364{
3365	parse_output_fields(NULL, "+insn,-event,-period", 0);
3366	itrace_parse_synth_opts(opt, "i0ns", 0);
3367	symbol_conf.nanosecs = true;
3368	return 0;
3369}
3370
3371static int parse_xed(const struct option *opt __maybe_unused,
3372		     const char *str __maybe_unused,
3373		     int unset __maybe_unused)
3374{
3375	force_pager("xed -F insn: -A -64 | less");
3376	return 0;
3377}
3378
3379static int parse_call_trace(const struct option *opt __maybe_unused,
3380			    const char *str __maybe_unused,
3381			    int unset __maybe_unused)
3382{
3383	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3384	itrace_parse_synth_opts(opt, "cewp", 0);
3385	symbol_conf.nanosecs = true;
3386	symbol_conf.pad_output_len_dso = 50;
3387	return 0;
3388}
3389
3390static int parse_callret_trace(const struct option *opt __maybe_unused,
3391			    const char *str __maybe_unused,
3392			    int unset __maybe_unused)
3393{
3394	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3395	itrace_parse_synth_opts(opt, "crewp", 0);
3396	symbol_conf.nanosecs = true;
3397	return 0;
3398}
3399
3400int cmd_script(int argc, const char **argv)
3401{
3402	bool show_full_info = false;
3403	bool header = false;
3404	bool header_only = false;
3405	bool script_started = false;
3406	char *rec_script_path = NULL;
3407	char *rep_script_path = NULL;
3408	struct perf_session *session;
3409	struct itrace_synth_opts itrace_synth_opts = {
3410		.set = false,
3411		.default_no_sample = true,
3412	};
3413	struct utsname uts;
3414	char *script_path = NULL;
3415	const char **__argv;
3416	int i, j, err = 0;
3417	struct perf_script script = {
3418		.tool = {
3419			.sample		 = process_sample_event,
3420			.mmap		 = perf_event__process_mmap,
3421			.mmap2		 = perf_event__process_mmap2,
3422			.comm		 = perf_event__process_comm,
3423			.namespaces	 = perf_event__process_namespaces,
3424			.exit		 = perf_event__process_exit,
3425			.fork		 = perf_event__process_fork,
3426			.attr		 = process_attr,
3427			.event_update   = perf_event__process_event_update,
3428			.tracing_data	 = perf_event__process_tracing_data,
3429			.feature	 = process_feature_event,
3430			.build_id	 = perf_event__process_build_id,
3431			.id_index	 = perf_event__process_id_index,
3432			.auxtrace_info	 = perf_script__process_auxtrace_info,
3433			.auxtrace	 = perf_event__process_auxtrace,
3434			.auxtrace_error	 = perf_event__process_auxtrace_error,
3435			.stat		 = perf_event__process_stat_event,
3436			.stat_round	 = process_stat_round_event,
3437			.stat_config	 = process_stat_config_event,
3438			.thread_map	 = process_thread_map_event,
3439			.cpu_map	 = process_cpu_map_event,
3440			.ordered_events	 = true,
3441			.ordering_requires_timestamps = true,
3442		},
3443	};
3444	struct perf_data data = {
3445		.mode = PERF_DATA_MODE_READ,
3446	};
3447	const struct option options[] = {
3448	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3449		    "dump raw trace in ASCII"),
3450	OPT_INCR('v', "verbose", &verbose,
3451		 "be more verbose (show symbol address, etc)"),
3452	OPT_BOOLEAN('L', "Latency", &latency_format,
3453		    "show latency attributes (irqs/preemption disabled, etc)"),
3454	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3455			   list_available_scripts),
3456	OPT_CALLBACK('s', "script", NULL, "name",
3457		     "script file name (lang:script name, script name, or *)",
3458		     parse_scriptname),
3459	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3460		   "generate perf-script.xx script in specified language"),
3461	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3462	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3463		   "do various checks like samples ordering and lost events"),
3464	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3465	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3466	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3467		   "file", "vmlinux pathname"),
3468	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3469		   "file", "kallsyms pathname"),
3470	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3471		    "When printing symbols do not display call chain"),
3472	OPT_CALLBACK(0, "symfs", NULL, "directory",
3473		     "Look for files with symbols relative to this directory",
3474		     symbol__config_symfs),
3475	OPT_CALLBACK('F', "fields", NULL, "str",
3476		     "comma separated output fields prepend with 'type:'. "
3477		     "+field to add and -field to remove."
3478		     "Valid types: hw,sw,trace,raw,synth. "
3479		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3480		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3481		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3482		     "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3483		     parse_output_fields),
3484	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3485		    "system-wide collection from all CPUs"),
3486	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3487		   "only consider these symbols"),
3488	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3489			"Decode instructions from itrace", parse_insn_trace),
3490	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3491			"Run xed disassembler on output", parse_xed),
3492	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3493			"Decode calls from from itrace", parse_call_trace),
3494	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3495			"Decode calls and returns from itrace", parse_callret_trace),
3496	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3497			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3498	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3499		   "Stop display of callgraph at these symbols"),
3500	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3501	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3502		   "only display events for these comms"),
3503	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3504		   "only consider symbols in these pids"),
3505	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3506		   "only consider symbols in these tids"),
3507	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3508		     "Set the maximum stack depth when parsing the callchain, "
3509		     "anything beyond the specified depth will be ignored. "
3510		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3511	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3512	OPT_BOOLEAN('I', "show-info", &show_full_info,
3513		    "display extended information from perf.data file"),
3514	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3515		    "Show the path of [kernel.kallsyms]"),
3516	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3517		    "Show the fork/comm/exit events"),
3518	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3519		    "Show the mmap events"),
3520	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3521		    "Show context switch events (if recorded)"),
3522	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3523		    "Show namespace events (if recorded)"),
3524	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3525		    "Show lost events (if recorded)"),
3526	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3527		    "Show round events (if recorded)"),
3528	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3529		    "Show bpf related events (if recorded)"),
3530	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3531		    "Dump trace output to files named by the monitored events"),
3532	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3533	OPT_INTEGER(0, "max-blocks", &max_blocks,
3534		    "Maximum number of code blocks to dump with brstackinsn"),
3535	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3536		    "Use 9 decimal places when displaying time"),
3537	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3538			    "Instruction Tracing options\n" ITRACE_HELP,
3539			    itrace_parse_synth_opts),
3540	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3541			"Show full source file name path for source lines"),
3542	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3543			"Enable symbol demangling"),
3544	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3545			"Enable kernel symbol demangling"),
3546	OPT_STRING(0, "time", &script.time_str, "str",
3547		   "Time span of interest (start,stop)"),
3548	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3549		    "Show inline function"),
3550	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3551		   "guest mount directory under which every guest os"
3552		   " instance has a subdir"),
3553	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3554		   "file", "file saving guest os vmlinux"),
3555	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3556		   "file", "file saving guest os /proc/kallsyms"),
3557	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3558		   "file", "file saving guest os /proc/modules"),
3559	OPTS_EVSWITCH(&script.evswitch),
3560	OPT_END()
3561	};
3562	const char * const script_subcommands[] = { "record", "report", NULL };
3563	const char *script_usage[] = {
3564		"perf script [<options>]",
3565		"perf script [<options>] record <script> [<record-options>] <command>",
3566		"perf script [<options>] report <script> [script-args]",
3567		"perf script [<options>] <script> [<record-options>] <command>",
3568		"perf script [<options>] <top-script> [script-args]",
3569		NULL
3570	};
3571
3572	perf_set_singlethreaded();
3573
3574	setup_scripting();
3575
3576	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3577			     PARSE_OPT_STOP_AT_NON_OPTION);
3578
3579	if (symbol_conf.guestmount ||
3580	    symbol_conf.default_guest_vmlinux_name ||
3581	    symbol_conf.default_guest_kallsyms ||
3582	    symbol_conf.default_guest_modules) {
3583		/*
3584		 * Enable guest sample processing.
3585		 */
3586		perf_guest = true;
3587	}
3588
3589	data.path  = input_name;
3590	data.force = symbol_conf.force;
3591
3592	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3593		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3594		if (!rec_script_path)
3595			return cmd_record(argc, argv);
3596	}
3597
3598	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3599		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3600		if (!rep_script_path) {
3601			fprintf(stderr,
3602				"Please specify a valid report script"
3603				"(see 'perf script -l' for listing)\n");
3604			return -1;
3605		}
3606	}
3607
3608	if (script.time_str && reltime) {
3609		fprintf(stderr, "Don't combine --reltime with --time\n");
3610		return -1;
3611	}
3612
3613	if (itrace_synth_opts.callchain &&
3614	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3615		scripting_max_stack = itrace_synth_opts.callchain_sz;
3616
3617	/* make sure PERF_EXEC_PATH is set for scripts */
3618	set_argv_exec_path(get_argv_exec_path());
3619
3620	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3621		int live_pipe[2];
3622		int rep_args;
3623		pid_t pid;
3624
3625		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3626		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3627
3628		if (!rec_script_path && !rep_script_path) {
3629			usage_with_options_msg(script_usage, options,
3630				"Couldn't find script `%s'\n\n See perf"
3631				" script -l for available scripts.\n", argv[0]);
3632		}
3633
3634		if (is_top_script(argv[0])) {
3635			rep_args = argc - 1;
3636		} else {
3637			int rec_args;
3638
3639			rep_args = has_required_arg(rep_script_path);
3640			rec_args = (argc - 1) - rep_args;
3641			if (rec_args < 0) {
3642				usage_with_options_msg(script_usage, options,
3643					"`%s' script requires options."
3644					"\n\n See perf script -l for available "
3645					"scripts and options.\n", argv[0]);
3646			}
3647		}
3648
3649		if (pipe(live_pipe) < 0) {
3650			perror("failed to create pipe");
3651			return -1;
3652		}
3653
3654		pid = fork();
3655		if (pid < 0) {
3656			perror("failed to fork");
3657			return -1;
3658		}
3659
3660		if (!pid) {
3661			j = 0;
3662
3663			dup2(live_pipe[1], 1);
3664			close(live_pipe[0]);
3665
3666			if (is_top_script(argv[0])) {
3667				system_wide = true;
3668			} else if (!system_wide) {
3669				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3670					err = -1;
3671					goto out;
3672				}
3673			}
3674
3675			__argv = malloc((argc + 6) * sizeof(const char *));
3676			if (!__argv) {
3677				pr_err("malloc failed\n");
3678				err = -ENOMEM;
3679				goto out;
3680			}
3681
3682			__argv[j++] = "/bin/sh";
3683			__argv[j++] = rec_script_path;
3684			if (system_wide)
3685				__argv[j++] = "-a";
3686			__argv[j++] = "-q";
3687			__argv[j++] = "-o";
3688			__argv[j++] = "-";
3689			for (i = rep_args + 1; i < argc; i++)
3690				__argv[j++] = argv[i];
3691			__argv[j++] = NULL;
3692
3693			execvp("/bin/sh", (char **)__argv);
3694			free(__argv);
3695			exit(-1);
3696		}
3697
3698		dup2(live_pipe[0], 0);
3699		close(live_pipe[1]);
3700
3701		__argv = malloc((argc + 4) * sizeof(const char *));
3702		if (!__argv) {
3703			pr_err("malloc failed\n");
3704			err = -ENOMEM;
3705			goto out;
3706		}
3707
3708		j = 0;
3709		__argv[j++] = "/bin/sh";
3710		__argv[j++] = rep_script_path;
3711		for (i = 1; i < rep_args + 1; i++)
3712			__argv[j++] = argv[i];
3713		__argv[j++] = "-i";
3714		__argv[j++] = "-";
3715		__argv[j++] = NULL;
3716
3717		execvp("/bin/sh", (char **)__argv);
3718		free(__argv);
3719		exit(-1);
3720	}
3721
3722	if (rec_script_path)
3723		script_path = rec_script_path;
3724	if (rep_script_path)
3725		script_path = rep_script_path;
3726
3727	if (script_path) {
3728		j = 0;
3729
3730		if (!rec_script_path)
3731			system_wide = false;
3732		else if (!system_wide) {
3733			if (have_cmd(argc - 1, &argv[1]) != 0) {
3734				err = -1;
3735				goto out;
3736			}
3737		}
3738
3739		__argv = malloc((argc + 2) * sizeof(const char *));
3740		if (!__argv) {
3741			pr_err("malloc failed\n");
3742			err = -ENOMEM;
3743			goto out;
3744		}
3745
3746		__argv[j++] = "/bin/sh";
3747		__argv[j++] = script_path;
3748		if (system_wide)
3749			__argv[j++] = "-a";
3750		for (i = 2; i < argc; i++)
3751			__argv[j++] = argv[i];
3752		__argv[j++] = NULL;
3753
3754		execvp("/bin/sh", (char **)__argv);
3755		free(__argv);
3756		exit(-1);
3757	}
3758
3759	if (!script_name) {
3760		setup_pager();
3761		use_browser = 0;
3762	}
3763
3764	session = perf_session__new(&data, false, &script.tool);
3765	if (IS_ERR(session))
3766		return PTR_ERR(session);
3767
3768	if (header || header_only) {
3769		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3770		perf_session__fprintf_info(session, stdout, show_full_info);
3771		if (header_only)
3772			goto out_delete;
3773	}
3774	if (show_full_info)
3775		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3776
3777	if (symbol__init(&session->header.env) < 0)
3778		goto out_delete;
3779
3780	uname(&uts);
3781	if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3782	    !strcmp(uts.machine, session->header.env.arch) ||
3783	    (!strcmp(uts.machine, "x86_64") &&
3784	     !strcmp(session->header.env.arch, "i386")))
3785		native_arch = true;
3786
3787	script.session = session;
3788	script__setup_sample_type(&script);
3789
3790	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3791	    symbol_conf.graph_function)
3792		itrace_synth_opts.thread_stack = true;
3793
3794	session->itrace_synth_opts = &itrace_synth_opts;
3795
3796	if (cpu_list) {
3797		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3798		if (err < 0)
3799			goto out_delete;
3800		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3801	}
3802
3803	if (!no_callchain)
3804		symbol_conf.use_callchain = true;
3805	else
3806		symbol_conf.use_callchain = false;
3807
3808	if (session->tevent.pevent &&
3809	    tep_set_function_resolver(session->tevent.pevent,
3810				      machine__resolve_kernel_addr,
3811				      &session->machines.host) < 0) {
3812		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3813		err = -1;
3814		goto out_delete;
3815	}
3816
3817	if (generate_script_lang) {
3818		struct stat perf_stat;
3819		int input;
3820
3821		if (output_set_by_user()) {
3822			fprintf(stderr,
3823				"custom fields not supported for generated scripts");
3824			err = -EINVAL;
3825			goto out_delete;
3826		}
3827
3828		input = open(data.path, O_RDONLY);	/* input_name */
3829		if (input < 0) {
3830			err = -errno;
3831			perror("failed to open file");
3832			goto out_delete;
3833		}
3834
3835		err = fstat(input, &perf_stat);
3836		if (err < 0) {
3837			perror("failed to stat file");
3838			goto out_delete;
3839		}
3840
3841		if (!perf_stat.st_size) {
3842			fprintf(stderr, "zero-sized file, nothing to do!\n");
3843			goto out_delete;
3844		}
3845
3846		scripting_ops = script_spec__lookup(generate_script_lang);
3847		if (!scripting_ops) {
3848			fprintf(stderr, "invalid language specifier");
3849			err = -ENOENT;
3850			goto out_delete;
3851		}
3852
3853		err = scripting_ops->generate_script(session->tevent.pevent,
3854						     "perf-script");
3855		goto out_delete;
3856	}
3857
3858	if (script_name) {
3859		err = scripting_ops->start_script(script_name, argc, argv);
3860		if (err)
3861			goto out_delete;
3862		pr_debug("perf script started with script %s\n\n", script_name);
3863		script_started = true;
3864	}
3865
3866
3867	err = perf_session__check_output_opt(session);
3868	if (err < 0)
3869		goto out_delete;
3870
3871	if (script.time_str) {
3872		err = perf_time__parse_for_ranges(script.time_str, session,
3873						  &script.ptime_range,
3874						  &script.range_size,
3875						  &script.range_num);
3876		if (err < 0)
 
 
 
 
 
 
 
 
 
3877			goto out_delete;
 
3878
3879		itrace_synth_opts__set_time_range(&itrace_synth_opts,
3880						  script.ptime_range,
3881						  script.range_num);
3882	}
 
3883
3884	err = evswitch__init(&script.evswitch, session->evlist, stderr);
3885	if (err)
3886		goto out_delete;
 
 
 
 
 
3887
3888	err = __cmd_script(&script);
3889
3890	flush_scripting();
3891
3892out_delete:
3893	if (script.ptime_range) {
3894		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3895		zfree(&script.ptime_range);
3896	}
3897
3898	perf_evlist__free_stats(session->evlist);
3899	perf_session__delete(session);
3900
3901	if (script_started)
3902		cleanup_scripting();
3903out:
3904	return err;
3905}
v4.17
   1// SPDX-License-Identifier: GPL-2.0
   2#include "builtin.h"
   3
   4#include "perf.h"
   5#include "util/cache.h"
   6#include "util/debug.h"
 
   7#include <subcmd/exec-cmd.h>
   8#include "util/header.h"
   9#include <subcmd/parse-options.h>
  10#include "util/perf_regs.h"
  11#include "util/session.h"
  12#include "util/tool.h"
 
 
  13#include "util/symbol.h"
  14#include "util/thread.h"
  15#include "util/trace-event.h"
  16#include "util/util.h"
  17#include "util/evlist.h"
  18#include "util/evsel.h"
 
 
  19#include "util/sort.h"
  20#include "util/data.h"
  21#include "util/auxtrace.h"
  22#include "util/cpumap.h"
  23#include "util/thread_map.h"
  24#include "util/stat.h"
  25#include "util/color.h"
  26#include "util/string2.h"
  27#include "util/thread-stack.h"
  28#include "util/time-utils.h"
  29#include "util/path.h"
 
  30#include "print_binary.h"
 
  31#include <linux/bitmap.h>
  32#include <linux/kernel.h>
  33#include <linux/stringify.h>
  34#include <linux/time64.h>
 
 
  35#include "asm/bug.h"
  36#include "util/mem-events.h"
  37#include "util/dump-insn.h"
  38#include <dirent.h>
  39#include <errno.h>
  40#include <inttypes.h>
  41#include <signal.h>
  42#include <sys/param.h>
  43#include <sys/types.h>
  44#include <sys/stat.h>
  45#include <fcntl.h>
  46#include <unistd.h>
 
 
 
 
 
 
  47
  48#include "sane_ctype.h"
  49
  50static char const		*script_name;
  51static char const		*generate_script_lang;
 
 
  52static bool			debug_mode;
  53static u64			last_timestamp;
  54static u64			nr_unordered;
  55static bool			no_callchain;
  56static bool			latency_format;
  57static bool			system_wide;
  58static bool			print_flags;
  59static bool			nanosecs;
  60static const char		*cpu_list;
  61static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  62static struct perf_stat_config	stat_config;
  63static int			max_blocks;
 
  64
  65unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  66
  67enum perf_output_field {
  68	PERF_OUTPUT_COMM            = 1U << 0,
  69	PERF_OUTPUT_TID             = 1U << 1,
  70	PERF_OUTPUT_PID             = 1U << 2,
  71	PERF_OUTPUT_TIME            = 1U << 3,
  72	PERF_OUTPUT_CPU             = 1U << 4,
  73	PERF_OUTPUT_EVNAME          = 1U << 5,
  74	PERF_OUTPUT_TRACE           = 1U << 6,
  75	PERF_OUTPUT_IP              = 1U << 7,
  76	PERF_OUTPUT_SYM             = 1U << 8,
  77	PERF_OUTPUT_DSO             = 1U << 9,
  78	PERF_OUTPUT_ADDR            = 1U << 10,
  79	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  80	PERF_OUTPUT_SRCLINE         = 1U << 12,
  81	PERF_OUTPUT_PERIOD          = 1U << 13,
  82	PERF_OUTPUT_IREGS	    = 1U << 14,
  83	PERF_OUTPUT_BRSTACK	    = 1U << 15,
  84	PERF_OUTPUT_BRSTACKSYM	    = 1U << 16,
  85	PERF_OUTPUT_DATA_SRC	    = 1U << 17,
  86	PERF_OUTPUT_WEIGHT	    = 1U << 18,
  87	PERF_OUTPUT_BPF_OUTPUT	    = 1U << 19,
  88	PERF_OUTPUT_CALLINDENT	    = 1U << 20,
  89	PERF_OUTPUT_INSN	    = 1U << 21,
  90	PERF_OUTPUT_INSNLEN	    = 1U << 22,
  91	PERF_OUTPUT_BRSTACKINSN	    = 1U << 23,
  92	PERF_OUTPUT_BRSTACKOFF	    = 1U << 24,
  93	PERF_OUTPUT_SYNTH           = 1U << 25,
  94	PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
  95	PERF_OUTPUT_UREGS	    = 1U << 27,
  96	PERF_OUTPUT_METRIC	    = 1U << 28,
  97	PERF_OUTPUT_MISC            = 1U << 29,
 
 
  98};
  99
 100struct output_option {
 101	const char *str;
 102	enum perf_output_field field;
 103} all_output_options[] = {
 104	{.str = "comm",  .field = PERF_OUTPUT_COMM},
 105	{.str = "tid",   .field = PERF_OUTPUT_TID},
 106	{.str = "pid",   .field = PERF_OUTPUT_PID},
 107	{.str = "time",  .field = PERF_OUTPUT_TIME},
 108	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
 109	{.str = "event", .field = PERF_OUTPUT_EVNAME},
 110	{.str = "trace", .field = PERF_OUTPUT_TRACE},
 111	{.str = "ip",    .field = PERF_OUTPUT_IP},
 112	{.str = "sym",   .field = PERF_OUTPUT_SYM},
 113	{.str = "dso",   .field = PERF_OUTPUT_DSO},
 114	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
 115	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 116	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 117	{.str = "period", .field = PERF_OUTPUT_PERIOD},
 118	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
 119	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
 120	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 121	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 122	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 123	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 124	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 125	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 126	{.str = "insn", .field = PERF_OUTPUT_INSN},
 127	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 128	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 129	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 130	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
 131	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 132	{.str = "metric", .field = PERF_OUTPUT_METRIC},
 133	{.str = "misc", .field = PERF_OUTPUT_MISC},
 
 
 134};
 135
 136enum {
 137	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 138	OUTPUT_TYPE_MAX
 139};
 140
 141/* default set to maintain compatibility with current format */
 142static struct {
 143	bool user_set;
 144	bool wildcard_set;
 145	unsigned int print_ip_opts;
 146	u64 fields;
 147	u64 invalid_fields;
 
 148} output[OUTPUT_TYPE_MAX] = {
 149
 150	[PERF_TYPE_HARDWARE] = {
 151		.user_set = false,
 152
 153		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 154			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 155			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 156			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
 157			      PERF_OUTPUT_PERIOD,
 158
 159		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 160	},
 161
 162	[PERF_TYPE_SOFTWARE] = {
 163		.user_set = false,
 164
 165		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 166			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 167			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 168			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
 169			      PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT,
 
 170
 171		.invalid_fields = PERF_OUTPUT_TRACE,
 172	},
 173
 174	[PERF_TYPE_TRACEPOINT] = {
 175		.user_set = false,
 176
 177		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 178				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 179				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 180	},
 181
 
 
 
 
 
 
 
 
 
 
 
 
 182	[PERF_TYPE_RAW] = {
 183		.user_set = false,
 184
 185		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 186			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 187			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 188			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
 189			      PERF_OUTPUT_PERIOD |  PERF_OUTPUT_ADDR |
 190			      PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT |
 191			      PERF_OUTPUT_PHYS_ADDR,
 192
 193		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 194	},
 195
 196	[PERF_TYPE_BREAKPOINT] = {
 197		.user_set = false,
 198
 199		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 200			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 201			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 202			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
 203			      PERF_OUTPUT_PERIOD,
 204
 205		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 206	},
 207
 208	[OUTPUT_TYPE_SYNTH] = {
 209		.user_set = false,
 210
 211		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 212			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 213			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 214			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
 215			      PERF_OUTPUT_SYNTH,
 216
 217		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 218	},
 219};
 220
 221struct perf_evsel_script {
 222       char *filename;
 223       FILE *fp;
 224       u64  samples;
 225       /* For metric output */
 226       u64  val;
 227       int  gnum;
 228};
 229
 230static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
 231{
 232	return (struct perf_evsel_script *)evsel->priv;
 233}
 234
 235static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
 236							struct perf_data *data)
 237{
 238	struct perf_evsel_script *es = zalloc(sizeof(*es));
 239
 240	if (es != NULL) {
 241		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 242			goto out_free;
 243		es->fp = fopen(es->filename, "w");
 244		if (es->fp == NULL)
 245			goto out_free_filename;
 246	}
 247
 248	return es;
 249out_free_filename:
 250	zfree(&es->filename);
 251out_free:
 252	free(es);
 253	return NULL;
 254}
 255
 256static void perf_evsel_script__delete(struct perf_evsel_script *es)
 257{
 258	zfree(&es->filename);
 259	fclose(es->fp);
 260	es->fp = NULL;
 261	free(es);
 262}
 263
 264static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
 265{
 266	struct stat st;
 267
 268	fstat(fileno(es->fp), &st);
 269	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 270		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 271}
 272
 273static inline int output_type(unsigned int type)
 274{
 275	switch (type) {
 276	case PERF_TYPE_SYNTH:
 277		return OUTPUT_TYPE_SYNTH;
 278	default:
 279		return type;
 280	}
 281}
 282
 283static inline unsigned int attr_type(unsigned int type)
 284{
 285	switch (type) {
 286	case OUTPUT_TYPE_SYNTH:
 287		return PERF_TYPE_SYNTH;
 288	default:
 289		return type;
 290	}
 291}
 292
 293static bool output_set_by_user(void)
 294{
 295	int j;
 296	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 297		if (output[j].user_set)
 298			return true;
 299	}
 300	return false;
 301}
 302
 303static const char *output_field2str(enum perf_output_field field)
 304{
 305	int i, imax = ARRAY_SIZE(all_output_options);
 306	const char *str = "";
 307
 308	for (i = 0; i < imax; ++i) {
 309		if (all_output_options[i].field == field) {
 310			str = all_output_options[i].str;
 311			break;
 312		}
 313	}
 314	return str;
 315}
 316
 317#define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 318
 319static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
 320				      u64 sample_type, const char *sample_msg,
 321				      enum perf_output_field field,
 322				      bool allow_user_set)
 323{
 324	struct perf_event_attr *attr = &evsel->attr;
 325	int type = output_type(attr->type);
 326	const char *evname;
 327
 328	if (attr->sample_type & sample_type)
 329		return 0;
 330
 331	if (output[type].user_set) {
 332		if (allow_user_set)
 333			return 0;
 334		evname = perf_evsel__name(evsel);
 335		pr_err("Samples for '%s' event do not have %s attribute set. "
 336		       "Cannot print '%s' field.\n",
 337		       evname, sample_msg, output_field2str(field));
 338		return -1;
 339	}
 340
 341	/* user did not ask for it explicitly so remove from the default list */
 342	output[type].fields &= ~field;
 343	evname = perf_evsel__name(evsel);
 344	pr_debug("Samples for '%s' event do not have %s attribute set. "
 345		 "Skipping '%s' field.\n",
 346		 evname, sample_msg, output_field2str(field));
 347
 348	return 0;
 349}
 350
 351static int perf_evsel__check_stype(struct perf_evsel *evsel,
 352				   u64 sample_type, const char *sample_msg,
 353				   enum perf_output_field field)
 354{
 355	return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 356					  false);
 357}
 358
 359static int perf_evsel__check_attr(struct perf_evsel *evsel,
 360				  struct perf_session *session)
 361{
 362	struct perf_event_attr *attr = &evsel->attr;
 363	bool allow_user_set;
 364
 365	if (perf_header__has_feat(&session->header, HEADER_STAT))
 366		return 0;
 367
 368	allow_user_set = perf_header__has_feat(&session->header,
 369					       HEADER_AUXTRACE);
 370
 371	if (PRINT_FIELD(TRACE) &&
 372		!perf_session__has_traces(session, "record -R"))
 373		return -EINVAL;
 374
 375	if (PRINT_FIELD(IP)) {
 376		if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 377					    PERF_OUTPUT_IP))
 378			return -EINVAL;
 379	}
 380
 381	if (PRINT_FIELD(ADDR) &&
 382		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 383					   PERF_OUTPUT_ADDR, allow_user_set))
 384		return -EINVAL;
 385
 386	if (PRINT_FIELD(DATA_SRC) &&
 387		perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 388					PERF_OUTPUT_DATA_SRC))
 389		return -EINVAL;
 390
 391	if (PRINT_FIELD(WEIGHT) &&
 392		perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 393					PERF_OUTPUT_WEIGHT))
 394		return -EINVAL;
 395
 396	if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
 
 397		pr_err("Display of symbols requested but neither sample IP nor "
 398			   "sample address\nis selected. Hence, no addresses to convert "
 399		       "to symbols.\n");
 400		return -EINVAL;
 401	}
 402	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 403		pr_err("Display of offsets requested but symbol is not"
 404		       "selected.\n");
 405		return -EINVAL;
 406	}
 407	if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
 408	    !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
 409		pr_err("Display of DSO requested but no address to convert.  Select\n"
 410		       "sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
 411		return -EINVAL;
 412	}
 413	if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
 414		pr_err("Display of source line number requested but sample IP is not\n"
 415		       "selected. Hence, no address to lookup the source line number.\n");
 416		return -EINVAL;
 417	}
 418	if (PRINT_FIELD(BRSTACKINSN) &&
 419	    !(perf_evlist__combined_branch_type(session->evlist) &
 420	      PERF_SAMPLE_BRANCH_ANY)) {
 421		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 422		       "Hint: run 'perf record -b ...'\n");
 423		return -EINVAL;
 424	}
 425	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 426		perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 427					PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 428		return -EINVAL;
 429
 430	if (PRINT_FIELD(TIME) &&
 431		perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 432					PERF_OUTPUT_TIME))
 433		return -EINVAL;
 434
 435	if (PRINT_FIELD(CPU) &&
 436		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 437					   PERF_OUTPUT_CPU, allow_user_set))
 438		return -EINVAL;
 439
 440	if (PRINT_FIELD(IREGS) &&
 441		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 442					PERF_OUTPUT_IREGS))
 443		return -EINVAL;
 444
 445	if (PRINT_FIELD(UREGS) &&
 446		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 447					PERF_OUTPUT_UREGS))
 448		return -EINVAL;
 449
 450	if (PRINT_FIELD(PHYS_ADDR) &&
 451		perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 452					PERF_OUTPUT_PHYS_ADDR))
 453		return -EINVAL;
 454
 455	return 0;
 456}
 457
 458static void set_print_ip_opts(struct perf_event_attr *attr)
 459{
 460	unsigned int type = output_type(attr->type);
 461
 462	output[type].print_ip_opts = 0;
 463	if (PRINT_FIELD(IP))
 464		output[type].print_ip_opts |= EVSEL__PRINT_IP;
 465
 466	if (PRINT_FIELD(SYM))
 467		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 468
 469	if (PRINT_FIELD(DSO))
 470		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 471
 472	if (PRINT_FIELD(SYMOFFSET))
 473		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 474
 475	if (PRINT_FIELD(SRCLINE))
 476		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 477}
 478
 479/*
 480 * verify all user requested events exist and the samples
 481 * have the expected data
 482 */
 483static int perf_session__check_output_opt(struct perf_session *session)
 484{
 485	unsigned int j;
 486	struct perf_evsel *evsel;
 487
 488	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 489		evsel = perf_session__find_first_evtype(session, attr_type(j));
 490
 491		/*
 492		 * even if fields is set to 0 (ie., show nothing) event must
 493		 * exist if user explicitly includes it on the command line
 494		 */
 495		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 496		    j != OUTPUT_TYPE_SYNTH) {
 497			pr_err("%s events do not exist. "
 498			       "Remove corresponding -F option to proceed.\n",
 499			       event_type(j));
 500			return -1;
 501		}
 502
 503		if (evsel && output[j].fields &&
 504			perf_evsel__check_attr(evsel, session))
 505			return -1;
 506
 507		if (evsel == NULL)
 508			continue;
 509
 510		set_print_ip_opts(&evsel->attr);
 511	}
 512
 513	if (!no_callchain) {
 514		bool use_callchain = false;
 515		bool not_pipe = false;
 516
 517		evlist__for_each_entry(session->evlist, evsel) {
 518			not_pipe = true;
 519			if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
 520				use_callchain = true;
 521				break;
 522			}
 523		}
 524		if (not_pipe && !use_callchain)
 525			symbol_conf.use_callchain = false;
 526	}
 527
 528	/*
 529	 * set default for tracepoints to print symbols only
 530	 * if callchains are present
 531	 */
 532	if (symbol_conf.use_callchain &&
 533	    !output[PERF_TYPE_TRACEPOINT].user_set) {
 534		struct perf_event_attr *attr;
 535
 536		j = PERF_TYPE_TRACEPOINT;
 537
 538		evlist__for_each_entry(session->evlist, evsel) {
 539			if (evsel->attr.type != j)
 540				continue;
 541
 542			attr = &evsel->attr;
 543
 544			if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
 545				output[j].fields |= PERF_OUTPUT_IP;
 546				output[j].fields |= PERF_OUTPUT_SYM;
 
 547				output[j].fields |= PERF_OUTPUT_DSO;
 548				set_print_ip_opts(attr);
 549				goto out;
 550			}
 551		}
 552	}
 553
 554out:
 555	return 0;
 556}
 557
 558static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 559				      struct perf_event_attr *attr, FILE *fp)
 
 560{
 561	struct regs_dump *regs = &sample->intr_regs;
 562	uint64_t mask = attr->sample_regs_intr;
 563	unsigned i = 0, r;
 564	int printed = 0;
 565
 566	if (!regs)
 567		return 0;
 568
 
 
 569	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 570		u64 val = regs->regs[i++];
 571		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 572	}
 573
 
 
 574	return printed;
 575}
 576
 
 
 
 
 
 
 
 577static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 578				      struct perf_event_attr *attr, FILE *fp)
 579{
 580	struct regs_dump *regs = &sample->user_regs;
 581	uint64_t mask = attr->sample_regs_user;
 582	unsigned i = 0, r;
 583	int printed = 0;
 584
 585	if (!regs || !regs->regs)
 586		return 0;
 587
 588	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 589
 590	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 591		u64 val = regs->regs[i++];
 592		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 593	}
 594
 595	return printed;
 596}
 597
 598static int perf_sample__fprintf_start(struct perf_sample *sample,
 599				      struct thread *thread,
 600				      struct perf_evsel *evsel,
 601				      u32 type, FILE *fp)
 602{
 603	struct perf_event_attr *attr = &evsel->attr;
 604	unsigned long secs;
 605	unsigned long long nsecs;
 606	int printed = 0;
 607
 608	if (PRINT_FIELD(COMM)) {
 609		if (latency_format)
 610			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 611		else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
 612			printed += fprintf(fp, "%s ", thread__comm_str(thread));
 613		else
 614			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 615	}
 616
 617	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 618		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 619	else if (PRINT_FIELD(PID))
 620		printed += fprintf(fp, "%5d ", sample->pid);
 621	else if (PRINT_FIELD(TID))
 622		printed += fprintf(fp, "%5d ", sample->tid);
 623
 624	if (PRINT_FIELD(CPU)) {
 625		if (latency_format)
 626			printed += fprintf(fp, "%3d ", sample->cpu);
 627		else
 628			printed += fprintf(fp, "[%03d] ", sample->cpu);
 629	}
 630
 631	if (PRINT_FIELD(MISC)) {
 632		int ret = 0;
 633
 634		#define has(m) \
 635			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 636
 637		if (has(KERNEL))
 638			ret += fprintf(fp, "K");
 639		if (has(USER))
 640			ret += fprintf(fp, "U");
 641		if (has(HYPERVISOR))
 642			ret += fprintf(fp, "H");
 643		if (has(GUEST_KERNEL))
 644			ret += fprintf(fp, "G");
 645		if (has(GUEST_USER))
 646			ret += fprintf(fp, "g");
 647
 648		switch (type) {
 649		case PERF_RECORD_MMAP:
 650		case PERF_RECORD_MMAP2:
 651			if (has(MMAP_DATA))
 652				ret += fprintf(fp, "M");
 653			break;
 654		case PERF_RECORD_COMM:
 655			if (has(COMM_EXEC))
 656				ret += fprintf(fp, "E");
 657			break;
 658		case PERF_RECORD_SWITCH:
 659		case PERF_RECORD_SWITCH_CPU_WIDE:
 660			if (has(SWITCH_OUT)) {
 661				ret += fprintf(fp, "S");
 662				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 663					ret += fprintf(fp, "p");
 664			}
 665		default:
 666			break;
 667		}
 668
 669		#undef has
 670
 671		ret += fprintf(fp, "%*s", 6 - ret, " ");
 672		printed += ret;
 673	}
 674
 675	if (PRINT_FIELD(TIME)) {
 676		nsecs = sample->time;
 
 
 
 
 
 
 677		secs = nsecs / NSEC_PER_SEC;
 678		nsecs -= secs * NSEC_PER_SEC;
 679
 680		if (nanosecs)
 681			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 682		else {
 683			char sample_time[32];
 684			timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
 685			printed += fprintf(fp, "%12s: ", sample_time);
 686		}
 687	}
 688
 689	return printed;
 690}
 691
 692static inline char
 693mispred_str(struct branch_entry *br)
 694{
 695	if (!(br->flags.mispred  || br->flags.predicted))
 696		return '-';
 697
 698	return br->flags.predicted ? 'P' : 'M';
 699}
 700
 701static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 702					struct thread *thread,
 703					struct perf_event_attr *attr, FILE *fp)
 704{
 705	struct branch_stack *br = sample->branch_stack;
 706	struct addr_location alf, alt;
 707	u64 i, from, to;
 708	int printed = 0;
 709
 710	if (!(br && br->nr))
 711		return 0;
 712
 713	for (i = 0; i < br->nr; i++) {
 714		from = br->entries[i].from;
 715		to   = br->entries[i].to;
 716
 717		if (PRINT_FIELD(DSO)) {
 718			memset(&alf, 0, sizeof(alf));
 719			memset(&alt, 0, sizeof(alt));
 720			thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
 721			thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
 722		}
 723
 724		printed += fprintf(fp, " 0x%"PRIx64, from);
 725		if (PRINT_FIELD(DSO)) {
 726			printed += fprintf(fp, "(");
 727			printed += map__fprintf_dsoname(alf.map, fp);
 728			printed += fprintf(fp, ")");
 729		}
 730
 731		printed += fprintf(fp, "/0x%"PRIx64, to);
 732		if (PRINT_FIELD(DSO)) {
 733			printed += fprintf(fp, "(");
 734			printed += map__fprintf_dsoname(alt.map, fp);
 735			printed += fprintf(fp, ")");
 736		}
 737
 738		printed += fprintf(fp, "/%c/%c/%c/%d ",
 739			mispred_str( br->entries + i),
 740			br->entries[i].flags.in_tx? 'X' : '-',
 741			br->entries[i].flags.abort? 'A' : '-',
 742			br->entries[i].flags.cycles);
 743	}
 744
 745	return printed;
 746}
 747
 748static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 749					   struct thread *thread,
 750					   struct perf_event_attr *attr, FILE *fp)
 751{
 752	struct branch_stack *br = sample->branch_stack;
 753	struct addr_location alf, alt;
 754	u64 i, from, to;
 755	int printed = 0;
 756
 757	if (!(br && br->nr))
 758		return 0;
 759
 760	for (i = 0; i < br->nr; i++) {
 761
 762		memset(&alf, 0, sizeof(alf));
 763		memset(&alt, 0, sizeof(alt));
 764		from = br->entries[i].from;
 765		to   = br->entries[i].to;
 766
 767		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
 768		if (alf.map)
 769			alf.sym = map__find_symbol(alf.map, alf.addr);
 770
 771		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
 772		if (alt.map)
 773			alt.sym = map__find_symbol(alt.map, alt.addr);
 774
 775		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 776		if (PRINT_FIELD(DSO)) {
 777			printed += fprintf(fp, "(");
 778			printed += map__fprintf_dsoname(alf.map, fp);
 779			printed += fprintf(fp, ")");
 780		}
 781		printed += fprintf(fp, "%c", '/');
 782		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 783		if (PRINT_FIELD(DSO)) {
 784			printed += fprintf(fp, "(");
 785			printed += map__fprintf_dsoname(alt.map, fp);
 786			printed += fprintf(fp, ")");
 787		}
 788		printed += fprintf(fp, "/%c/%c/%c/%d ",
 789			mispred_str( br->entries + i),
 790			br->entries[i].flags.in_tx? 'X' : '-',
 791			br->entries[i].flags.abort? 'A' : '-',
 792			br->entries[i].flags.cycles);
 793	}
 794
 795	return printed;
 796}
 797
 798static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 799					   struct thread *thread,
 800					   struct perf_event_attr *attr, FILE *fp)
 801{
 802	struct branch_stack *br = sample->branch_stack;
 803	struct addr_location alf, alt;
 804	u64 i, from, to;
 805	int printed = 0;
 806
 807	if (!(br && br->nr))
 808		return 0;
 809
 810	for (i = 0; i < br->nr; i++) {
 811
 812		memset(&alf, 0, sizeof(alf));
 813		memset(&alt, 0, sizeof(alt));
 814		from = br->entries[i].from;
 815		to   = br->entries[i].to;
 816
 817		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
 818		if (alf.map && !alf.map->dso->adjust_symbols)
 819			from = map__map_ip(alf.map, from);
 820
 821		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
 822		if (alt.map && !alt.map->dso->adjust_symbols)
 823			to = map__map_ip(alt.map, to);
 824
 825		printed += fprintf(fp, " 0x%"PRIx64, from);
 826		if (PRINT_FIELD(DSO)) {
 827			printed += fprintf(fp, "(");
 828			printed += map__fprintf_dsoname(alf.map, fp);
 829			printed += fprintf(fp, ")");
 830		}
 831		printed += fprintf(fp, "/0x%"PRIx64, to);
 832		if (PRINT_FIELD(DSO)) {
 833			printed += fprintf(fp, "(");
 834			printed += map__fprintf_dsoname(alt.map, fp);
 835			printed += fprintf(fp, ")");
 836		}
 837		printed += fprintf(fp, "/%c/%c/%c/%d ",
 838			mispred_str(br->entries + i),
 839			br->entries[i].flags.in_tx ? 'X' : '-',
 840			br->entries[i].flags.abort ? 'A' : '-',
 841			br->entries[i].flags.cycles);
 842	}
 843
 844	return printed;
 845}
 846#define MAXBB 16384UL
 847
 848static int grab_bb(u8 *buffer, u64 start, u64 end,
 849		    struct machine *machine, struct thread *thread,
 850		    bool *is64bit, u8 *cpumode, bool last)
 851{
 852	long offset, len;
 853	struct addr_location al;
 854	bool kernel;
 855
 856	if (!start || !end)
 857		return 0;
 858
 859	kernel = machine__kernel_ip(machine, start);
 860	if (kernel)
 861		*cpumode = PERF_RECORD_MISC_KERNEL;
 862	else
 863		*cpumode = PERF_RECORD_MISC_USER;
 864
 865	/*
 866	 * Block overlaps between kernel and user.
 867	 * This can happen due to ring filtering
 868	 * On Intel CPUs the entry into the kernel is filtered,
 869	 * but the exit is not. Let the caller patch it up.
 870	 */
 871	if (kernel != machine__kernel_ip(machine, end)) {
 872		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 873		return -ENXIO;
 874	}
 875
 876	memset(&al, 0, sizeof(al));
 877	if (end - start > MAXBB - MAXINSN) {
 878		if (last)
 879			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 880		else
 881			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 882		return 0;
 883	}
 884
 885	thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al);
 886	if (!al.map || !al.map->dso) {
 887		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 888		return 0;
 889	}
 890	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 891		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 892		return 0;
 893	}
 894
 895	/* Load maps to ensure dso->is_64_bit has been updated */
 896	map__load(al.map);
 897
 898	offset = al.map->map_ip(al.map, start);
 899	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 900				    end - start + MAXINSN);
 901
 902	*is64bit = al.map->dso->is_64_bit;
 903	if (len <= 0)
 904		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 905			start, end);
 906	return len;
 907}
 908
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 909static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 910			    struct perf_insn *x, u8 *inbuf, int len,
 911			    int insn, FILE *fp)
 912{
 913	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 914			      dump_insn(x, ip, inbuf, len, NULL),
 915			      en->flags.predicted ? " PRED" : "",
 916			      en->flags.mispred ? " MISPRED" : "",
 917			      en->flags.in_tx ? " INTX" : "",
 918			      en->flags.abort ? " ABORT" : "");
 919	if (en->flags.cycles) {
 920		printed += fprintf(fp, " %d cycles", en->flags.cycles);
 
 921		if (insn)
 922			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 923	}
 924	return printed + fprintf(fp, "\n");
 925}
 926
 927static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 928			   u8 cpumode, int cpu, struct symbol **lastsym,
 929			   struct perf_event_attr *attr, FILE *fp)
 930{
 931	struct addr_location al;
 932	int off, printed = 0;
 933
 934	memset(&al, 0, sizeof(al));
 935
 936	thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
 937	if (!al.map)
 938		thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
 939				      addr, &al);
 940	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 941		return 0;
 942
 943	al.cpu = cpu;
 944	al.sym = NULL;
 945	if (al.map)
 946		al.sym = map__find_symbol(al.map, al.addr);
 947
 948	if (!al.sym)
 949		return 0;
 950
 951	if (al.addr < al.sym->end)
 952		off = al.addr - al.sym->start;
 953	else
 954		off = al.addr - al.map->start - al.sym->start;
 955	printed += fprintf(fp, "\t%s", al.sym->name);
 956	if (off)
 957		printed += fprintf(fp, "%+d", off);
 958	printed += fprintf(fp, ":");
 959	if (PRINT_FIELD(SRCLINE))
 960		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
 961	printed += fprintf(fp, "\n");
 962	*lastsym = al.sym;
 963
 964	return printed;
 965}
 966
 967static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
 968					    struct thread *thread,
 969					    struct perf_event_attr *attr,
 970					    struct machine *machine, FILE *fp)
 971{
 972	struct branch_stack *br = sample->branch_stack;
 973	u64 start, end;
 974	int i, insn, len, nr, ilen, printed = 0;
 975	struct perf_insn x;
 976	u8 buffer[MAXBB];
 977	unsigned off;
 978	struct symbol *lastsym = NULL;
 
 979
 980	if (!(br && br->nr))
 981		return 0;
 982	nr = br->nr;
 983	if (max_blocks && nr > max_blocks + 1)
 984		nr = max_blocks + 1;
 985
 986	x.thread = thread;
 987	x.cpu = sample->cpu;
 988
 989	printed += fprintf(fp, "%c", '\n');
 990
 991	/* Handle first from jump, of which we don't know the entry. */
 992	len = grab_bb(buffer, br->entries[nr-1].from,
 993			br->entries[nr-1].from,
 994			machine, thread, &x.is64bit, &x.cpumode, false);
 995	if (len > 0) {
 996		printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
 997					   x.cpumode, x.cpu, &lastsym, attr, fp);
 998		printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
 999					    &x, buffer, len, 0, fp);
 
 
1000	}
1001
1002	/* Print all blocks */
1003	for (i = nr - 2; i >= 0; i--) {
1004		if (br->entries[i].from || br->entries[i].to)
1005			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1006				 br->entries[i].from,
1007				 br->entries[i].to);
1008		start = br->entries[i + 1].to;
1009		end   = br->entries[i].from;
1010
1011		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1012		/* Patch up missing kernel transfers due to ring filters */
1013		if (len == -ENXIO && i > 0) {
1014			end = br->entries[--i].from;
1015			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1016			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1017		}
1018		if (len <= 0)
1019			continue;
1020
1021		insn = 0;
1022		for (off = 0;; off += ilen) {
1023			uint64_t ip = start + off;
1024
1025			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1026			if (ip == end) {
1027				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
 
 
 
1028				break;
1029			} else {
 
1030				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1031						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1032				if (ilen == 0)
1033					break;
 
 
1034				insn++;
1035			}
1036		}
 
 
1037	}
1038
1039	/*
1040	 * Hit the branch? In this case we are already done, and the target
1041	 * has not been executed yet.
1042	 */
1043	if (br->entries[0].from == sample->ip)
1044		goto out;
1045	if (br->entries[0].flags.abort)
1046		goto out;
1047
1048	/*
1049	 * Print final block upto sample
 
 
 
 
 
1050	 */
1051	start = br->entries[0].to;
1052	end = sample->ip;
 
 
 
 
1053	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1054	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1055	if (len <= 0) {
1056		/* Print at least last IP if basic block did not work */
1057		len = grab_bb(buffer, sample->ip, sample->ip,
1058			      machine, thread, &x.is64bit, &x.cpumode, false);
1059		if (len <= 0)
1060			goto out;
1061
1062		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1063			dump_insn(&x, sample->ip, buffer, len, NULL));
 
 
1064		goto out;
1065	}
1066	for (off = 0; off <= end - start; off += ilen) {
 
1067		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1068				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1069		if (ilen == 0)
1070			break;
 
 
 
 
 
 
 
 
 
1071	}
1072out:
1073	return printed;
1074}
1075
1076static int perf_sample__fprintf_addr(struct perf_sample *sample,
1077				     struct thread *thread,
1078				     struct perf_event_attr *attr, FILE *fp)
1079{
1080	struct addr_location al;
1081	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1082
1083	if (!sample_addr_correlates_sym(attr))
1084		goto out;
1085
1086	thread__resolve(thread, &al, sample);
1087
1088	if (PRINT_FIELD(SYM)) {
1089		printed += fprintf(fp, " ");
1090		if (PRINT_FIELD(SYMOFFSET))
1091			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1092		else
1093			printed += symbol__fprintf_symname(al.sym, fp);
1094	}
1095
1096	if (PRINT_FIELD(DSO)) {
1097		printed += fprintf(fp, " (");
1098		printed += map__fprintf_dsoname(al.map, fp);
1099		printed += fprintf(fp, ")");
1100	}
1101out:
1102	return printed;
1103}
1104
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1105static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1106					   struct perf_evsel *evsel,
1107					   struct thread *thread,
1108					   struct addr_location *al, FILE *fp)
1109{
1110	struct perf_event_attr *attr = &evsel->attr;
1111	size_t depth = thread_stack__depth(thread);
1112	struct addr_location addr_al;
1113	const char *name = NULL;
1114	static int spacing;
1115	int len = 0;
 
1116	u64 ip = 0;
1117
1118	/*
1119	 * The 'return' has already been popped off the stack so the depth has
1120	 * to be adjusted to match the 'call'.
1121	 */
1122	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1123		depth += 1;
1124
1125	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1126		if (sample_addr_correlates_sym(attr)) {
1127			thread__resolve(thread, &addr_al, sample);
1128			if (addr_al.sym)
1129				name = addr_al.sym->name;
1130			else
1131				ip = sample->addr;
1132		} else {
1133			ip = sample->addr;
1134		}
1135	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1136		if (al->sym)
1137			name = al->sym->name;
1138		else
1139			ip = sample->ip;
1140	}
1141
1142	if (name)
1143		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1144	else if (ip)
1145		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1146
1147	if (len < 0)
1148		return len;
1149
1150	/*
1151	 * Try to keep the output length from changing frequently so that the
1152	 * output lines up more nicely.
1153	 */
1154	if (len > spacing || (len && len < spacing - 52))
1155		spacing = round_up(len + 4, 32);
1156
1157	if (len < spacing)
1158		len += fprintf(fp, "%*s", spacing - len, "");
1159
1160	return len;
 
 
 
 
 
 
1161}
1162
1163static int perf_sample__fprintf_insn(struct perf_sample *sample,
1164				     struct perf_event_attr *attr,
1165				     struct thread *thread,
1166				     struct machine *machine, FILE *fp)
1167{
1168	int printed = 0;
1169
 
 
 
1170	if (PRINT_FIELD(INSNLEN))
1171		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1172	if (PRINT_FIELD(INSN)) {
1173		int i;
1174
1175		printed += fprintf(fp, " insn:");
1176		for (i = 0; i < sample->insn_len; i++)
1177			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1178	}
1179	if (PRINT_FIELD(BRSTACKINSN))
1180		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1181
1182	return printed;
1183}
1184
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1185static int perf_sample__fprintf_bts(struct perf_sample *sample,
1186				    struct perf_evsel *evsel,
1187				    struct thread *thread,
1188				    struct addr_location *al,
1189				    struct machine *machine, FILE *fp)
1190{
1191	struct perf_event_attr *attr = &evsel->attr;
1192	unsigned int type = output_type(attr->type);
1193	bool print_srcline_last = false;
1194	int printed = 0;
1195
1196	if (PRINT_FIELD(CALLINDENT))
1197		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1198
1199	/* print branch_from information */
1200	if (PRINT_FIELD(IP)) {
1201		unsigned int print_opts = output[type].print_ip_opts;
1202		struct callchain_cursor *cursor = NULL;
1203
1204		if (symbol_conf.use_callchain && sample->callchain &&
1205		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1206					      sample, NULL, NULL, scripting_max_stack) == 0)
1207			cursor = &callchain_cursor;
1208
1209		if (cursor == NULL) {
1210			printed += fprintf(fp, " ");
1211			if (print_opts & EVSEL__PRINT_SRCLINE) {
1212				print_srcline_last = true;
1213				print_opts &= ~EVSEL__PRINT_SRCLINE;
1214			}
1215		} else
1216			printed += fprintf(fp, "\n");
1217
1218		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
 
1219	}
1220
1221	/* print branch_to information */
1222	if (PRINT_FIELD(ADDR) ||
1223	    ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1224	     !output[type].user_set)) {
1225		printed += fprintf(fp, " => ");
1226		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1227	}
1228
 
 
1229	if (print_srcline_last)
1230		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1231
1232	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1233	return printed + fprintf(fp, "\n");
 
 
 
 
 
 
 
 
 
1234}
1235
1236static struct {
1237	u32 flags;
1238	const char *name;
1239} sample_flags[] = {
1240	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1241	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1242	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1243	{PERF_IP_FLAG_BRANCH, "jmp"},
1244	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1245	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1246	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1247	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1248	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1249	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1250	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1251	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1252	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1253	{0, NULL}
1254};
1255
 
 
 
 
 
 
 
 
 
 
 
 
1256static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1257{
1258	const char *chars = PERF_IP_FLAG_CHARS;
1259	const int n = strlen(PERF_IP_FLAG_CHARS);
1260	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1261	const char *name = NULL;
1262	char str[33];
1263	int i, pos = 0;
1264
1265	for (i = 0; sample_flags[i].name ; i++) {
1266		if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
1267			name = sample_flags[i].name;
1268			break;
1269		}
 
 
 
 
 
 
 
 
 
1270	}
1271
1272	for (i = 0; i < n; i++, flags >>= 1) {
1273		if (flags & 1)
1274			str[pos++] = chars[i];
1275	}
1276	for (; i < 32; i++, flags >>= 1) {
1277		if (flags & 1)
1278			str[pos++] = '?';
1279	}
1280	str[pos] = 0;
1281
1282	if (name)
1283		return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");
1284
1285	return fprintf(fp, "  %-11s ", str);
1286}
1287
1288struct printer_data {
1289	int line_no;
1290	bool hit_nul;
1291	bool is_printable;
1292};
1293
1294static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1295				      unsigned int val,
1296				      void *extra, FILE *fp)
1297{
1298	unsigned char ch = (unsigned char)val;
1299	struct printer_data *printer_data = extra;
1300	int printed = 0;
1301
1302	switch (op) {
1303	case BINARY_PRINT_DATA_BEGIN:
1304		printed += fprintf(fp, "\n");
1305		break;
1306	case BINARY_PRINT_LINE_BEGIN:
1307		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1308						        "           ");
1309		break;
1310	case BINARY_PRINT_ADDR:
1311		printed += fprintf(fp, " %04x:", val);
1312		break;
1313	case BINARY_PRINT_NUM_DATA:
1314		printed += fprintf(fp, " %02x", val);
1315		break;
1316	case BINARY_PRINT_NUM_PAD:
1317		printed += fprintf(fp, "   ");
1318		break;
1319	case BINARY_PRINT_SEP:
1320		printed += fprintf(fp, "  ");
1321		break;
1322	case BINARY_PRINT_CHAR_DATA:
1323		if (printer_data->hit_nul && ch)
1324			printer_data->is_printable = false;
1325
1326		if (!isprint(ch)) {
1327			printed += fprintf(fp, "%c", '.');
1328
1329			if (!printer_data->is_printable)
1330				break;
1331
1332			if (ch == '\0')
1333				printer_data->hit_nul = true;
1334			else
1335				printer_data->is_printable = false;
1336		} else {
1337			printed += fprintf(fp, "%c", ch);
1338		}
1339		break;
1340	case BINARY_PRINT_CHAR_PAD:
1341		printed += fprintf(fp, " ");
1342		break;
1343	case BINARY_PRINT_LINE_END:
1344		printed += fprintf(fp, "\n");
1345		printer_data->line_no++;
1346		break;
1347	case BINARY_PRINT_DATA_END:
1348	default:
1349		break;
1350	}
1351
1352	return printed;
1353}
1354
1355static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1356{
1357	unsigned int nr_bytes = sample->raw_size;
1358	struct printer_data printer_data = {0, false, true};
1359	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1360				      sample__fprintf_bpf_output, &printer_data, fp);
1361
1362	if (printer_data.is_printable && printer_data.hit_nul)
1363		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1364
1365	return printed;
1366}
1367
1368static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1369{
1370	if (len > 0 && len < spacing)
1371		return fprintf(fp, "%*s", spacing - len, "");
1372
1373	return 0;
1374}
1375
1376static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1377{
1378	return perf_sample__fprintf_spacing(len, 34, fp);
1379}
1380
1381static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1382{
1383	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1384	int len;
1385
1386	if (perf_sample__bad_synth_size(sample, *data))
1387		return 0;
1388
1389	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1390		     data->ip, le64_to_cpu(data->payload));
1391	return len + perf_sample__fprintf_pt_spacing(len, fp);
1392}
1393
1394static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1395{
1396	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1397	int len;
1398
1399	if (perf_sample__bad_synth_size(sample, *data))
1400		return 0;
1401
1402	len = fprintf(fp, " hints: %#x extensions: %#x ",
1403		      data->hints, data->extensions);
1404	return len + perf_sample__fprintf_pt_spacing(len, fp);
1405}
1406
1407static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1408{
1409	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1410	int len;
1411
1412	if (perf_sample__bad_synth_size(sample, *data))
1413		return 0;
1414
1415	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1416		      data->hw, data->cstate, data->subcstate);
1417	return len + perf_sample__fprintf_pt_spacing(len, fp);
1418}
1419
1420static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1421{
1422	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1423	int len;
1424
1425	if (perf_sample__bad_synth_size(sample, *data))
1426		return 0;
1427
1428	len = fprintf(fp, " IP: %u ", data->ip);
1429	return len + perf_sample__fprintf_pt_spacing(len, fp);
1430}
1431
1432static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1433{
1434	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1435	int len;
1436
1437	if (perf_sample__bad_synth_size(sample, *data))
1438		return 0;
1439
1440	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1441		     data->deepest_cstate, data->last_cstate,
1442		     data->wake_reason);
1443	return len + perf_sample__fprintf_pt_spacing(len, fp);
1444}
1445
1446static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1447{
1448	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1449	unsigned int percent, freq;
1450	int len;
1451
1452	if (perf_sample__bad_synth_size(sample, *data))
1453		return 0;
1454
1455	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1456	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1457	if (data->max_nonturbo) {
1458		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1459		len += fprintf(fp, "(%3u%%) ", percent);
1460	}
1461	return len + perf_sample__fprintf_pt_spacing(len, fp);
1462}
1463
1464static int perf_sample__fprintf_synth(struct perf_sample *sample,
1465				      struct perf_evsel *evsel, FILE *fp)
1466{
1467	switch (evsel->attr.config) {
1468	case PERF_SYNTH_INTEL_PTWRITE:
1469		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1470	case PERF_SYNTH_INTEL_MWAIT:
1471		return perf_sample__fprintf_synth_mwait(sample, fp);
1472	case PERF_SYNTH_INTEL_PWRE:
1473		return perf_sample__fprintf_synth_pwre(sample, fp);
1474	case PERF_SYNTH_INTEL_EXSTOP:
1475		return perf_sample__fprintf_synth_exstop(sample, fp);
1476	case PERF_SYNTH_INTEL_PWRX:
1477		return perf_sample__fprintf_synth_pwrx(sample, fp);
1478	case PERF_SYNTH_INTEL_CBR:
1479		return perf_sample__fprintf_synth_cbr(sample, fp);
1480	default:
1481		break;
1482	}
1483
1484	return 0;
1485}
1486
1487struct perf_script {
1488	struct perf_tool	tool;
1489	struct perf_session	*session;
1490	bool			show_task_events;
1491	bool			show_mmap_events;
1492	bool			show_switch_events;
1493	bool			show_namespace_events;
1494	bool			show_lost_events;
1495	bool			show_round_events;
 
1496	bool			allocated;
1497	bool			per_event_dump;
1498	struct cpu_map		*cpus;
1499	struct thread_map	*threads;
 
1500	int			name_width;
1501	const char              *time_str;
1502	struct perf_time_interval *ptime_range;
1503	int			range_size;
1504	int			range_num;
1505};
1506
1507static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1508{
1509	struct perf_evsel *evsel;
1510	int max = 0;
1511
1512	evlist__for_each_entry(evlist, evsel) {
1513		int len = strlen(perf_evsel__name(evsel));
1514
1515		max = MAX(len, max);
1516	}
1517
1518	return max;
1519}
1520
1521static int data_src__fprintf(u64 data_src, FILE *fp)
1522{
1523	struct mem_info mi = { .data_src.val = data_src };
1524	char decode[100];
1525	char out[100];
1526	static int maxlen;
1527	int len;
1528
1529	perf_script__meminfo_scnprintf(decode, 100, &mi);
1530
1531	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1532	if (maxlen < len)
1533		maxlen = len;
1534
1535	return fprintf(fp, "%-*s", maxlen, out);
1536}
1537
1538struct metric_ctx {
1539	struct perf_sample	*sample;
1540	struct thread		*thread;
1541	struct perf_evsel	*evsel;
1542	FILE 			*fp;
1543};
1544
1545static void script_print_metric(void *ctx, const char *color,
 
1546			        const char *fmt,
1547			        const char *unit, double val)
1548{
1549	struct metric_ctx *mctx = ctx;
1550
1551	if (!fmt)
1552		return;
1553	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1554				   PERF_RECORD_SAMPLE, mctx->fp);
1555	fputs("\tmetric: ", mctx->fp);
1556	if (color)
1557		color_fprintf(mctx->fp, color, fmt, val);
1558	else
1559		printf(fmt, val);
1560	fprintf(mctx->fp, " %s\n", unit);
1561}
1562
1563static void script_new_line(void *ctx)
 
1564{
1565	struct metric_ctx *mctx = ctx;
1566
1567	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1568				   PERF_RECORD_SAMPLE, mctx->fp);
1569	fputs("\tmetric: ", mctx->fp);
1570}
1571
1572static void perf_sample__fprint_metric(struct perf_script *script,
1573				       struct thread *thread,
1574				       struct perf_evsel *evsel,
1575				       struct perf_sample *sample,
1576				       FILE *fp)
1577{
1578	struct perf_stat_output_ctx ctx = {
1579		.print_metric = script_print_metric,
1580		.new_line = script_new_line,
1581		.ctx = &(struct metric_ctx) {
1582				.sample = sample,
1583				.thread = thread,
1584				.evsel  = evsel,
1585				.fp     = fp,
1586			 },
1587		.force_header = false,
1588	};
1589	struct perf_evsel *ev2;
1590	static bool init;
1591	u64 val;
1592
1593	if (!init) {
1594		perf_stat__init_shadow_stats();
1595		init = true;
1596	}
1597	if (!evsel->stats)
1598		perf_evlist__alloc_stats(script->session->evlist, false);
1599	if (evsel_script(evsel->leader)->gnum++ == 0)
1600		perf_stat__reset_shadow_stats();
1601	val = sample->period * evsel->scale;
1602	perf_stat__update_shadow_stats(evsel,
1603				       val,
1604				       sample->cpu,
1605				       &rt_stat);
1606	evsel_script(evsel)->val = val;
1607	if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1608		for_each_group_member (ev2, evsel->leader) {
1609			perf_stat__print_shadow_stats(ev2,
1610						      evsel_script(ev2)->val,
1611						      sample->cpu,
1612						      &ctx,
1613						      NULL,
1614						      &rt_stat);
1615		}
1616		evsel_script(evsel->leader)->gnum = 0;
1617	}
1618}
1619
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1620static void process_event(struct perf_script *script,
1621			  struct perf_sample *sample, struct perf_evsel *evsel,
1622			  struct addr_location *al,
1623			  struct machine *machine)
1624{
1625	struct thread *thread = al->thread;
1626	struct perf_event_attr *attr = &evsel->attr;
1627	unsigned int type = output_type(attr->type);
1628	struct perf_evsel_script *es = evsel->priv;
1629	FILE *fp = es->fp;
1630
1631	if (output[type].fields == 0)
1632		return;
1633
 
 
 
 
 
 
1634	++es->samples;
1635
1636	perf_sample__fprintf_start(sample, thread, evsel,
1637				   PERF_RECORD_SAMPLE, fp);
1638
1639	if (PRINT_FIELD(PERIOD))
1640		fprintf(fp, "%10" PRIu64 " ", sample->period);
1641
1642	if (PRINT_FIELD(EVNAME)) {
1643		const char *evname = perf_evsel__name(evsel);
1644
1645		if (!script->name_width)
1646			script->name_width = perf_evlist__max_name_len(script->session->evlist);
1647
1648		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1649	}
1650
1651	if (print_flags)
1652		perf_sample__fprintf_flags(sample->flags, fp);
1653
1654	if (is_bts_event(attr)) {
1655		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1656		return;
1657	}
1658
1659	if (PRINT_FIELD(TRACE)) {
1660		event_format__fprintf(evsel->tp_format, sample->cpu,
1661				      sample->raw_data, sample->raw_size, fp);
1662	}
1663
1664	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1665		perf_sample__fprintf_synth(sample, evsel, fp);
1666
1667	if (PRINT_FIELD(ADDR))
1668		perf_sample__fprintf_addr(sample, thread, attr, fp);
1669
1670	if (PRINT_FIELD(DATA_SRC))
1671		data_src__fprintf(sample->data_src, fp);
1672
1673	if (PRINT_FIELD(WEIGHT))
1674		fprintf(fp, "%16" PRIu64, sample->weight);
1675
1676	if (PRINT_FIELD(IP)) {
1677		struct callchain_cursor *cursor = NULL;
1678
1679		if (symbol_conf.use_callchain && sample->callchain &&
1680		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1681					      sample, NULL, NULL, scripting_max_stack) == 0)
1682			cursor = &callchain_cursor;
1683
1684		fputc(cursor ? '\n' : ' ', fp);
1685		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
 
1686	}
1687
1688	if (PRINT_FIELD(IREGS))
1689		perf_sample__fprintf_iregs(sample, attr, fp);
1690
1691	if (PRINT_FIELD(UREGS))
1692		perf_sample__fprintf_uregs(sample, attr, fp);
1693
1694	if (PRINT_FIELD(BRSTACK))
1695		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1696	else if (PRINT_FIELD(BRSTACKSYM))
1697		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1698	else if (PRINT_FIELD(BRSTACKOFF))
1699		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1700
1701	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1702		perf_sample__fprintf_bpf_output(sample, fp);
1703	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1704
1705	if (PRINT_FIELD(PHYS_ADDR))
1706		fprintf(fp, "%16" PRIx64, sample->phys_addr);
 
 
 
1707	fprintf(fp, "\n");
1708
 
 
 
 
 
 
1709	if (PRINT_FIELD(METRIC))
1710		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
 
 
 
1711}
1712
1713static struct scripting_ops	*scripting_ops;
1714
1715static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1716{
1717	int nthreads = thread_map__nr(counter->threads);
1718	int ncpus = perf_evsel__nr_cpus(counter);
1719	int cpu, thread;
1720	static int header_printed;
1721
1722	if (counter->system_wide)
1723		nthreads = 1;
1724
1725	if (!header_printed) {
1726		printf("%3s %8s %15s %15s %15s %15s %s\n",
1727		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1728		header_printed = 1;
1729	}
1730
1731	for (thread = 0; thread < nthreads; thread++) {
1732		for (cpu = 0; cpu < ncpus; cpu++) {
1733			struct perf_counts_values *counts;
1734
1735			counts = perf_counts(counter->counts, cpu, thread);
1736
1737			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1738				counter->cpus->map[cpu],
1739				thread_map__pid(counter->threads, thread),
1740				counts->val,
1741				counts->ena,
1742				counts->run,
1743				tstamp,
1744				perf_evsel__name(counter));
1745		}
1746	}
1747}
1748
1749static void process_stat(struct perf_evsel *counter, u64 tstamp)
1750{
1751	if (scripting_ops && scripting_ops->process_stat)
1752		scripting_ops->process_stat(&stat_config, counter, tstamp);
1753	else
1754		__process_stat(counter, tstamp);
1755}
1756
1757static void process_stat_interval(u64 tstamp)
1758{
1759	if (scripting_ops && scripting_ops->process_stat_interval)
1760		scripting_ops->process_stat_interval(tstamp);
1761}
1762
1763static void setup_scripting(void)
1764{
1765	setup_perl_scripting();
1766	setup_python_scripting();
1767}
1768
1769static int flush_scripting(void)
1770{
1771	return scripting_ops ? scripting_ops->flush_script() : 0;
1772}
1773
1774static int cleanup_scripting(void)
1775{
1776	pr_debug("\nperf script stopped\n");
1777
1778	return scripting_ops ? scripting_ops->stop_script() : 0;
1779}
1780
 
 
 
 
 
 
 
1781static int process_sample_event(struct perf_tool *tool,
1782				union perf_event *event,
1783				struct perf_sample *sample,
1784				struct perf_evsel *evsel,
1785				struct machine *machine)
1786{
1787	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1788	struct addr_location al;
1789
1790	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1791					  sample->time)) {
1792		return 0;
1793	}
1794
1795	if (debug_mode) {
1796		if (sample->time < last_timestamp) {
1797			pr_err("Samples misordered, previous: %" PRIu64
1798				" this: %" PRIu64 "\n", last_timestamp,
1799				sample->time);
1800			nr_unordered++;
1801		}
1802		last_timestamp = sample->time;
1803		return 0;
1804	}
1805
1806	if (machine__resolve(machine, &al, sample) < 0) {
1807		pr_err("problem processing %d event, skipping it.\n",
1808		       event->header.type);
1809		return -1;
1810	}
1811
1812	if (al.filtered)
1813		goto out_put;
1814
1815	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1816		goto out_put;
1817
1818	if (scripting_ops)
1819		scripting_ops->process_event(event, sample, evsel, &al);
1820	else
1821		process_event(scr, sample, evsel, &al, machine);
1822
1823out_put:
1824	addr_location__put(&al);
1825	return 0;
1826}
1827
1828static int process_attr(struct perf_tool *tool, union perf_event *event,
1829			struct perf_evlist **pevlist)
1830{
1831	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1832	struct perf_evlist *evlist;
1833	struct perf_evsel *evsel, *pos;
1834	int err;
 
1835
1836	err = perf_event__process_attr(tool, event, pevlist);
1837	if (err)
1838		return err;
1839
1840	evlist = *pevlist;
1841	evsel = perf_evlist__last(*pevlist);
1842
1843	if (evsel->attr.type >= PERF_TYPE_MAX &&
1844	    evsel->attr.type != PERF_TYPE_SYNTH)
 
 
 
 
 
 
 
 
 
 
 
 
 
1845		return 0;
1846
1847	evlist__for_each_entry(evlist, pos) {
1848		if (pos->attr.type == evsel->attr.type && pos != evsel)
1849			return 0;
1850	}
1851
1852	set_print_ip_opts(&evsel->attr);
1853
1854	if (evsel->attr.sample_type)
1855		err = perf_evsel__check_attr(evsel, scr->session);
1856
1857	return err;
1858}
1859
1860static int process_comm_event(struct perf_tool *tool,
1861			      union perf_event *event,
1862			      struct perf_sample *sample,
1863			      struct machine *machine)
1864{
1865	struct thread *thread;
1866	struct perf_script *script = container_of(tool, struct perf_script, tool);
1867	struct perf_session *session = script->session;
1868	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1869	int ret = -1;
1870
1871	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1872	if (thread == NULL) {
1873		pr_debug("problem processing COMM event, skipping it.\n");
1874		return -1;
1875	}
1876
1877	if (perf_event__process_comm(tool, event, sample, machine) < 0)
1878		goto out;
1879
1880	if (!evsel->attr.sample_id_all) {
1881		sample->cpu = 0;
1882		sample->time = 0;
1883		sample->tid = event->comm.tid;
1884		sample->pid = event->comm.pid;
1885	}
1886	perf_sample__fprintf_start(sample, thread, evsel,
 
1887				   PERF_RECORD_COMM, stdout);
1888	perf_event__fprintf(event, stdout);
 
1889	ret = 0;
1890out:
1891	thread__put(thread);
1892	return ret;
1893}
1894
1895static int process_namespaces_event(struct perf_tool *tool,
1896				    union perf_event *event,
1897				    struct perf_sample *sample,
1898				    struct machine *machine)
1899{
1900	struct thread *thread;
1901	struct perf_script *script = container_of(tool, struct perf_script, tool);
1902	struct perf_session *session = script->session;
1903	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1904	int ret = -1;
1905
1906	thread = machine__findnew_thread(machine, event->namespaces.pid,
1907					 event->namespaces.tid);
1908	if (thread == NULL) {
1909		pr_debug("problem processing NAMESPACES event, skipping it.\n");
1910		return -1;
1911	}
1912
1913	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1914		goto out;
1915
1916	if (!evsel->attr.sample_id_all) {
1917		sample->cpu = 0;
1918		sample->time = 0;
1919		sample->tid = event->namespaces.tid;
1920		sample->pid = event->namespaces.pid;
1921	}
1922	perf_sample__fprintf_start(sample, thread, evsel,
1923				   PERF_RECORD_NAMESPACES, stdout);
1924	perf_event__fprintf(event, stdout);
 
 
1925	ret = 0;
1926out:
1927	thread__put(thread);
1928	return ret;
1929}
1930
1931static int process_fork_event(struct perf_tool *tool,
1932			      union perf_event *event,
1933			      struct perf_sample *sample,
1934			      struct machine *machine)
1935{
1936	struct thread *thread;
1937	struct perf_script *script = container_of(tool, struct perf_script, tool);
1938	struct perf_session *session = script->session;
1939	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1940
1941	if (perf_event__process_fork(tool, event, sample, machine) < 0)
1942		return -1;
1943
1944	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1945	if (thread == NULL) {
1946		pr_debug("problem processing FORK event, skipping it.\n");
1947		return -1;
1948	}
1949
1950	if (!evsel->attr.sample_id_all) {
1951		sample->cpu = 0;
1952		sample->time = event->fork.time;
1953		sample->tid = event->fork.tid;
1954		sample->pid = event->fork.pid;
1955	}
1956	perf_sample__fprintf_start(sample, thread, evsel,
1957				   PERF_RECORD_FORK, stdout);
1958	perf_event__fprintf(event, stdout);
 
 
1959	thread__put(thread);
1960
1961	return 0;
1962}
1963static int process_exit_event(struct perf_tool *tool,
1964			      union perf_event *event,
1965			      struct perf_sample *sample,
1966			      struct machine *machine)
1967{
1968	int err = 0;
1969	struct thread *thread;
1970	struct perf_script *script = container_of(tool, struct perf_script, tool);
1971	struct perf_session *session = script->session;
1972	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1973
1974	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1975	if (thread == NULL) {
1976		pr_debug("problem processing EXIT event, skipping it.\n");
1977		return -1;
1978	}
1979
1980	if (!evsel->attr.sample_id_all) {
1981		sample->cpu = 0;
1982		sample->time = 0;
1983		sample->tid = event->fork.tid;
1984		sample->pid = event->fork.pid;
1985	}
1986	perf_sample__fprintf_start(sample, thread, evsel,
1987				   PERF_RECORD_EXIT, stdout);
1988	perf_event__fprintf(event, stdout);
 
 
1989
1990	if (perf_event__process_exit(tool, event, sample, machine) < 0)
1991		err = -1;
1992
1993	thread__put(thread);
1994	return err;
1995}
1996
1997static int process_mmap_event(struct perf_tool *tool,
1998			      union perf_event *event,
1999			      struct perf_sample *sample,
2000			      struct machine *machine)
2001{
2002	struct thread *thread;
2003	struct perf_script *script = container_of(tool, struct perf_script, tool);
2004	struct perf_session *session = script->session;
2005	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2006
2007	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2008		return -1;
2009
2010	thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2011	if (thread == NULL) {
2012		pr_debug("problem processing MMAP event, skipping it.\n");
2013		return -1;
2014	}
2015
2016	if (!evsel->attr.sample_id_all) {
2017		sample->cpu = 0;
2018		sample->time = 0;
2019		sample->tid = event->mmap.tid;
2020		sample->pid = event->mmap.pid;
2021	}
2022	perf_sample__fprintf_start(sample, thread, evsel,
2023				   PERF_RECORD_MMAP, stdout);
2024	perf_event__fprintf(event, stdout);
 
 
2025	thread__put(thread);
2026	return 0;
2027}
2028
2029static int process_mmap2_event(struct perf_tool *tool,
2030			      union perf_event *event,
2031			      struct perf_sample *sample,
2032			      struct machine *machine)
2033{
2034	struct thread *thread;
2035	struct perf_script *script = container_of(tool, struct perf_script, tool);
2036	struct perf_session *session = script->session;
2037	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2038
2039	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2040		return -1;
2041
2042	thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2043	if (thread == NULL) {
2044		pr_debug("problem processing MMAP2 event, skipping it.\n");
2045		return -1;
2046	}
2047
2048	if (!evsel->attr.sample_id_all) {
2049		sample->cpu = 0;
2050		sample->time = 0;
2051		sample->tid = event->mmap2.tid;
2052		sample->pid = event->mmap2.pid;
2053	}
2054	perf_sample__fprintf_start(sample, thread, evsel,
2055				   PERF_RECORD_MMAP2, stdout);
2056	perf_event__fprintf(event, stdout);
 
 
2057	thread__put(thread);
2058	return 0;
2059}
2060
2061static int process_switch_event(struct perf_tool *tool,
2062				union perf_event *event,
2063				struct perf_sample *sample,
2064				struct machine *machine)
2065{
2066	struct thread *thread;
2067	struct perf_script *script = container_of(tool, struct perf_script, tool);
2068	struct perf_session *session = script->session;
2069	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2070
2071	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2072		return -1;
2073
 
 
 
 
 
 
2074	thread = machine__findnew_thread(machine, sample->pid,
2075					 sample->tid);
2076	if (thread == NULL) {
2077		pr_debug("problem processing SWITCH event, skipping it.\n");
2078		return -1;
2079	}
2080
2081	perf_sample__fprintf_start(sample, thread, evsel,
2082				   PERF_RECORD_SWITCH, stdout);
2083	perf_event__fprintf(event, stdout);
 
 
2084	thread__put(thread);
2085	return 0;
2086}
2087
2088static int
2089process_lost_event(struct perf_tool *tool,
2090		   union perf_event *event,
2091		   struct perf_sample *sample,
2092		   struct machine *machine)
2093{
2094	struct perf_script *script = container_of(tool, struct perf_script, tool);
2095	struct perf_session *session = script->session;
2096	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2097	struct thread *thread;
2098
2099	thread = machine__findnew_thread(machine, sample->pid,
2100					 sample->tid);
2101	if (thread == NULL)
2102		return -1;
2103
2104	perf_sample__fprintf_start(sample, thread, evsel,
2105				   PERF_RECORD_LOST, stdout);
2106	perf_event__fprintf(event, stdout);
 
 
2107	thread__put(thread);
2108	return 0;
2109}
2110
2111static int
2112process_finished_round_event(struct perf_tool *tool __maybe_unused,
2113			     union perf_event *event,
2114			     struct ordered_events *oe __maybe_unused)
2115
2116{
2117	perf_event__fprintf(event, stdout);
2118	return 0;
2119}
2120
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2121static void sig_handler(int sig __maybe_unused)
2122{
2123	session_done = 1;
2124}
2125
2126static void perf_script__fclose_per_event_dump(struct perf_script *script)
2127{
2128	struct perf_evlist *evlist = script->session->evlist;
2129	struct perf_evsel *evsel;
2130
2131	evlist__for_each_entry(evlist, evsel) {
2132		if (!evsel->priv)
2133			break;
2134		perf_evsel_script__delete(evsel->priv);
2135		evsel->priv = NULL;
2136	}
2137}
2138
2139static int perf_script__fopen_per_event_dump(struct perf_script *script)
2140{
2141	struct perf_evsel *evsel;
2142
2143	evlist__for_each_entry(script->session->evlist, evsel) {
2144		/*
2145		 * Already setup? I.e. we may be called twice in cases like
2146		 * Intel PT, one for the intel_pt// and dummy events, then
2147		 * for the evsels syntheized from the auxtrace info.
2148		 *
2149		 * Ses perf_script__process_auxtrace_info.
2150		 */
2151		if (evsel->priv != NULL)
2152			continue;
2153
2154		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2155		if (evsel->priv == NULL)
2156			goto out_err_fclose;
2157	}
2158
2159	return 0;
2160
2161out_err_fclose:
2162	perf_script__fclose_per_event_dump(script);
2163	return -1;
2164}
2165
2166static int perf_script__setup_per_event_dump(struct perf_script *script)
2167{
2168	struct perf_evsel *evsel;
2169	static struct perf_evsel_script es_stdout;
2170
2171	if (script->per_event_dump)
2172		return perf_script__fopen_per_event_dump(script);
2173
2174	es_stdout.fp = stdout;
2175
2176	evlist__for_each_entry(script->session->evlist, evsel)
2177		evsel->priv = &es_stdout;
2178
2179	return 0;
2180}
2181
2182static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2183{
2184	struct perf_evsel *evsel;
2185
2186	evlist__for_each_entry(script->session->evlist, evsel) {
2187		struct perf_evsel_script *es = evsel->priv;
2188
2189		perf_evsel_script__fprintf(es, stdout);
2190		perf_evsel_script__delete(es);
2191		evsel->priv = NULL;
2192	}
2193}
2194
2195static int __cmd_script(struct perf_script *script)
2196{
2197	int ret;
2198
2199	signal(SIGINT, sig_handler);
2200
 
 
2201	/* override event processing functions */
2202	if (script->show_task_events) {
2203		script->tool.comm = process_comm_event;
2204		script->tool.fork = process_fork_event;
2205		script->tool.exit = process_exit_event;
2206	}
2207	if (script->show_mmap_events) {
2208		script->tool.mmap = process_mmap_event;
2209		script->tool.mmap2 = process_mmap2_event;
2210	}
2211	if (script->show_switch_events)
2212		script->tool.context_switch = process_switch_event;
2213	if (script->show_namespace_events)
2214		script->tool.namespaces = process_namespaces_event;
2215	if (script->show_lost_events)
2216		script->tool.lost = process_lost_event;
2217	if (script->show_round_events) {
2218		script->tool.ordered_events = false;
2219		script->tool.finished_round = process_finished_round_event;
2220	}
 
 
 
 
2221
2222	if (perf_script__setup_per_event_dump(script)) {
2223		pr_err("Couldn't create the per event dump files\n");
2224		return -1;
2225	}
2226
2227	ret = perf_session__process_events(script->session);
2228
2229	if (script->per_event_dump)
2230		perf_script__exit_per_event_dump_stats(script);
2231
2232	if (debug_mode)
2233		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2234
2235	return ret;
2236}
2237
2238struct script_spec {
2239	struct list_head	node;
2240	struct scripting_ops	*ops;
2241	char			spec[0];
2242};
2243
2244static LIST_HEAD(script_specs);
2245
2246static struct script_spec *script_spec__new(const char *spec,
2247					    struct scripting_ops *ops)
2248{
2249	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2250
2251	if (s != NULL) {
2252		strcpy(s->spec, spec);
2253		s->ops = ops;
2254	}
2255
2256	return s;
2257}
2258
2259static void script_spec__add(struct script_spec *s)
2260{
2261	list_add_tail(&s->node, &script_specs);
2262}
2263
2264static struct script_spec *script_spec__find(const char *spec)
2265{
2266	struct script_spec *s;
2267
2268	list_for_each_entry(s, &script_specs, node)
2269		if (strcasecmp(s->spec, spec) == 0)
2270			return s;
2271	return NULL;
2272}
2273
2274int script_spec_register(const char *spec, struct scripting_ops *ops)
2275{
2276	struct script_spec *s;
2277
2278	s = script_spec__find(spec);
2279	if (s)
2280		return -1;
2281
2282	s = script_spec__new(spec, ops);
2283	if (!s)
2284		return -1;
2285	else
2286		script_spec__add(s);
2287
2288	return 0;
2289}
2290
2291static struct scripting_ops *script_spec__lookup(const char *spec)
2292{
2293	struct script_spec *s = script_spec__find(spec);
2294	if (!s)
2295		return NULL;
2296
2297	return s->ops;
2298}
2299
2300static void list_available_languages(void)
2301{
2302	struct script_spec *s;
2303
2304	fprintf(stderr, "\n");
2305	fprintf(stderr, "Scripting language extensions (used in "
2306		"perf script -s [spec:]script.[spec]):\n\n");
2307
2308	list_for_each_entry(s, &script_specs, node)
2309		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2310
2311	fprintf(stderr, "\n");
2312}
2313
2314static int parse_scriptname(const struct option *opt __maybe_unused,
2315			    const char *str, int unset __maybe_unused)
2316{
2317	char spec[PATH_MAX];
2318	const char *script, *ext;
2319	int len;
2320
2321	if (strcmp(str, "lang") == 0) {
2322		list_available_languages();
2323		exit(0);
2324	}
2325
2326	script = strchr(str, ':');
2327	if (script) {
2328		len = script - str;
2329		if (len >= PATH_MAX) {
2330			fprintf(stderr, "invalid language specifier");
2331			return -1;
2332		}
2333		strncpy(spec, str, len);
2334		spec[len] = '\0';
2335		scripting_ops = script_spec__lookup(spec);
2336		if (!scripting_ops) {
2337			fprintf(stderr, "invalid language specifier");
2338			return -1;
2339		}
2340		script++;
2341	} else {
2342		script = str;
2343		ext = strrchr(script, '.');
2344		if (!ext) {
2345			fprintf(stderr, "invalid script extension");
2346			return -1;
2347		}
2348		scripting_ops = script_spec__lookup(++ext);
2349		if (!scripting_ops) {
2350			fprintf(stderr, "invalid script extension");
2351			return -1;
2352		}
2353	}
2354
2355	script_name = strdup(script);
2356
2357	return 0;
2358}
2359
2360static int parse_output_fields(const struct option *opt __maybe_unused,
2361			    const char *arg, int unset __maybe_unused)
2362{
2363	char *tok, *strtok_saveptr = NULL;
2364	int i, imax = ARRAY_SIZE(all_output_options);
2365	int j;
2366	int rc = 0;
2367	char *str = strdup(arg);
2368	int type = -1;
2369	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2370
2371	if (!str)
2372		return -ENOMEM;
2373
2374	/* first word can state for which event type the user is specifying
2375	 * the fields. If no type exists, the specified fields apply to all
2376	 * event types found in the file minus the invalid fields for a type.
2377	 */
2378	tok = strchr(str, ':');
2379	if (tok) {
2380		*tok = '\0';
2381		tok++;
2382		if (!strcmp(str, "hw"))
2383			type = PERF_TYPE_HARDWARE;
2384		else if (!strcmp(str, "sw"))
2385			type = PERF_TYPE_SOFTWARE;
2386		else if (!strcmp(str, "trace"))
2387			type = PERF_TYPE_TRACEPOINT;
2388		else if (!strcmp(str, "raw"))
2389			type = PERF_TYPE_RAW;
2390		else if (!strcmp(str, "break"))
2391			type = PERF_TYPE_BREAKPOINT;
2392		else if (!strcmp(str, "synth"))
2393			type = OUTPUT_TYPE_SYNTH;
2394		else {
2395			fprintf(stderr, "Invalid event type in field string.\n");
2396			rc = -EINVAL;
2397			goto out;
2398		}
2399
2400		if (output[type].user_set)
2401			pr_warning("Overriding previous field request for %s events.\n",
2402				   event_type(type));
2403
 
 
 
 
2404		output[type].fields = 0;
2405		output[type].user_set = true;
2406		output[type].wildcard_set = false;
2407
2408	} else {
2409		tok = str;
2410		if (strlen(str) == 0) {
2411			fprintf(stderr,
2412				"Cannot set fields to 'none' for all event types.\n");
2413			rc = -EINVAL;
2414			goto out;
2415		}
2416
2417		/* Don't override defaults for +- */
2418		if (strchr(str, '+') || strchr(str, '-'))
2419			goto parse;
2420
2421		if (output_set_by_user())
2422			pr_warning("Overriding previous field request for all events.\n");
2423
2424		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2425			output[j].fields = 0;
2426			output[j].user_set = true;
2427			output[j].wildcard_set = true;
2428		}
2429	}
2430
2431parse:
2432	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2433		if (*tok == '+') {
2434			if (change == SET)
2435				goto out_badmix;
2436			change = ADD;
2437			tok++;
2438		} else if (*tok == '-') {
2439			if (change == SET)
2440				goto out_badmix;
2441			change = REMOVE;
2442			tok++;
2443		} else {
2444			if (change != SET && change != DEFAULT)
2445				goto out_badmix;
2446			change = SET;
2447		}
2448
2449		for (i = 0; i < imax; ++i) {
2450			if (strcmp(tok, all_output_options[i].str) == 0)
2451				break;
2452		}
2453		if (i == imax && strcmp(tok, "flags") == 0) {
2454			print_flags = change == REMOVE ? false : true;
2455			continue;
2456		}
2457		if (i == imax) {
2458			fprintf(stderr, "Invalid field requested.\n");
2459			rc = -EINVAL;
2460			goto out;
2461		}
2462
2463		if (type == -1) {
2464			/* add user option to all events types for
2465			 * which it is valid
2466			 */
2467			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2468				if (output[j].invalid_fields & all_output_options[i].field) {
2469					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2470						   all_output_options[i].str, event_type(j));
2471				} else {
2472					if (change == REMOVE)
2473						output[j].fields &= ~all_output_options[i].field;
2474					else
 
2475						output[j].fields |= all_output_options[i].field;
 
 
 
 
2476				}
2477			}
2478		} else {
2479			if (output[type].invalid_fields & all_output_options[i].field) {
2480				fprintf(stderr, "\'%s\' not valid for %s events.\n",
2481					 all_output_options[i].str, event_type(type));
2482
2483				rc = -EINVAL;
2484				goto out;
2485			}
2486			output[type].fields |= all_output_options[i].field;
 
 
 
 
 
2487		}
2488	}
2489
2490	if (type >= 0) {
2491		if (output[type].fields == 0) {
2492			pr_debug("No fields requested for %s type. "
2493				 "Events will not be displayed.\n", event_type(type));
2494		}
2495	}
2496	goto out;
2497
2498out_badmix:
2499	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2500	rc = -EINVAL;
2501out:
2502	free(str);
2503	return rc;
2504}
2505
2506#define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
2507	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
2508		if ((lang_dirent->d_type == DT_DIR ||			\
2509		     (lang_dirent->d_type == DT_UNKNOWN &&		\
2510		      is_directory(scripts_path, lang_dirent))) &&	\
2511		    (strcmp(lang_dirent->d_name, ".")) &&		\
2512		    (strcmp(lang_dirent->d_name, "..")))
2513
2514#define for_each_script(lang_path, lang_dir, script_dirent)		\
2515	while ((script_dirent = readdir(lang_dir)) != NULL)		\
2516		if (script_dirent->d_type != DT_DIR &&			\
2517		    (script_dirent->d_type != DT_UNKNOWN ||		\
2518		     !is_directory(lang_path, script_dirent)))
2519
2520
2521#define RECORD_SUFFIX			"-record"
2522#define REPORT_SUFFIX			"-report"
2523
2524struct script_desc {
2525	struct list_head	node;
2526	char			*name;
2527	char			*half_liner;
2528	char			*args;
2529};
2530
2531static LIST_HEAD(script_descs);
2532
2533static struct script_desc *script_desc__new(const char *name)
2534{
2535	struct script_desc *s = zalloc(sizeof(*s));
2536
2537	if (s != NULL && name)
2538		s->name = strdup(name);
2539
2540	return s;
2541}
2542
2543static void script_desc__delete(struct script_desc *s)
2544{
2545	zfree(&s->name);
2546	zfree(&s->half_liner);
2547	zfree(&s->args);
2548	free(s);
2549}
2550
2551static void script_desc__add(struct script_desc *s)
2552{
2553	list_add_tail(&s->node, &script_descs);
2554}
2555
2556static struct script_desc *script_desc__find(const char *name)
2557{
2558	struct script_desc *s;
2559
2560	list_for_each_entry(s, &script_descs, node)
2561		if (strcasecmp(s->name, name) == 0)
2562			return s;
2563	return NULL;
2564}
2565
2566static struct script_desc *script_desc__findnew(const char *name)
2567{
2568	struct script_desc *s = script_desc__find(name);
2569
2570	if (s)
2571		return s;
2572
2573	s = script_desc__new(name);
2574	if (!s)
2575		return NULL;
2576
2577	script_desc__add(s);
2578
2579	return s;
2580}
2581
2582static const char *ends_with(const char *str, const char *suffix)
2583{
2584	size_t suffix_len = strlen(suffix);
2585	const char *p = str;
2586
2587	if (strlen(str) > suffix_len) {
2588		p = str + strlen(str) - suffix_len;
2589		if (!strncmp(p, suffix, suffix_len))
2590			return p;
2591	}
2592
2593	return NULL;
2594}
2595
2596static int read_script_info(struct script_desc *desc, const char *filename)
2597{
2598	char line[BUFSIZ], *p;
2599	FILE *fp;
2600
2601	fp = fopen(filename, "r");
2602	if (!fp)
2603		return -1;
2604
2605	while (fgets(line, sizeof(line), fp)) {
2606		p = ltrim(line);
2607		if (strlen(p) == 0)
2608			continue;
2609		if (*p != '#')
2610			continue;
2611		p++;
2612		if (strlen(p) && *p == '!')
2613			continue;
2614
2615		p = ltrim(p);
2616		if (strlen(p) && p[strlen(p) - 1] == '\n')
2617			p[strlen(p) - 1] = '\0';
2618
2619		if (!strncmp(p, "description:", strlen("description:"))) {
2620			p += strlen("description:");
2621			desc->half_liner = strdup(ltrim(p));
2622			continue;
2623		}
2624
2625		if (!strncmp(p, "args:", strlen("args:"))) {
2626			p += strlen("args:");
2627			desc->args = strdup(ltrim(p));
2628			continue;
2629		}
2630	}
2631
2632	fclose(fp);
2633
2634	return 0;
2635}
2636
2637static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2638{
2639	char *script_root, *str;
2640
2641	script_root = strdup(script_dirent->d_name);
2642	if (!script_root)
2643		return NULL;
2644
2645	str = (char *)ends_with(script_root, suffix);
2646	if (!str) {
2647		free(script_root);
2648		return NULL;
2649	}
2650
2651	*str = '\0';
2652	return script_root;
2653}
2654
2655static int list_available_scripts(const struct option *opt __maybe_unused,
2656				  const char *s __maybe_unused,
2657				  int unset __maybe_unused)
2658{
2659	struct dirent *script_dirent, *lang_dirent;
2660	char scripts_path[MAXPATHLEN];
2661	DIR *scripts_dir, *lang_dir;
2662	char script_path[MAXPATHLEN];
2663	char lang_path[MAXPATHLEN];
2664	struct script_desc *desc;
2665	char first_half[BUFSIZ];
2666	char *script_root;
2667
2668	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2669
2670	scripts_dir = opendir(scripts_path);
2671	if (!scripts_dir) {
2672		fprintf(stdout,
2673			"open(%s) failed.\n"
2674			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2675			scripts_path);
2676		exit(-1);
2677	}
2678
2679	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2680		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2681			  lang_dirent->d_name);
2682		lang_dir = opendir(lang_path);
2683		if (!lang_dir)
2684			continue;
2685
2686		for_each_script(lang_path, lang_dir, script_dirent) {
2687			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2688			if (script_root) {
2689				desc = script_desc__findnew(script_root);
2690				scnprintf(script_path, MAXPATHLEN, "%s/%s",
2691					  lang_path, script_dirent->d_name);
2692				read_script_info(desc, script_path);
2693				free(script_root);
2694			}
2695		}
2696	}
2697
2698	fprintf(stdout, "List of available trace scripts:\n");
2699	list_for_each_entry(desc, &script_descs, node) {
2700		sprintf(first_half, "%s %s", desc->name,
2701			desc->args ? desc->args : "");
2702		fprintf(stdout, "  %-36s %s\n", first_half,
2703			desc->half_liner ? desc->half_liner : "");
2704	}
2705
2706	exit(0);
2707}
2708
2709/*
2710 * Some scripts specify the required events in their "xxx-record" file,
2711 * this function will check if the events in perf.data match those
2712 * mentioned in the "xxx-record".
2713 *
2714 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2715 * which is covered well now. And new parsing code should be added to
2716 * cover the future complexing formats like event groups etc.
2717 */
2718static int check_ev_match(char *dir_name, char *scriptname,
2719			struct perf_session *session)
2720{
2721	char filename[MAXPATHLEN], evname[128];
2722	char line[BUFSIZ], *p;
2723	struct perf_evsel *pos;
2724	int match, len;
2725	FILE *fp;
2726
2727	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2728
2729	fp = fopen(filename, "r");
2730	if (!fp)
2731		return -1;
2732
2733	while (fgets(line, sizeof(line), fp)) {
2734		p = ltrim(line);
2735		if (*p == '#')
2736			continue;
2737
2738		while (strlen(p)) {
2739			p = strstr(p, "-e");
2740			if (!p)
2741				break;
2742
2743			p += 2;
2744			p = ltrim(p);
2745			len = strcspn(p, " \t");
2746			if (!len)
2747				break;
2748
2749			snprintf(evname, len + 1, "%s", p);
2750
2751			match = 0;
2752			evlist__for_each_entry(session->evlist, pos) {
2753				if (!strcmp(perf_evsel__name(pos), evname)) {
2754					match = 1;
2755					break;
2756				}
2757			}
2758
2759			if (!match) {
2760				fclose(fp);
2761				return -1;
2762			}
2763		}
2764	}
2765
2766	fclose(fp);
2767	return 0;
2768}
2769
2770/*
2771 * Return -1 if none is found, otherwise the actual scripts number.
2772 *
2773 * Currently the only user of this function is the script browser, which
2774 * will list all statically runnable scripts, select one, execute it and
2775 * show the output in a perf browser.
2776 */
2777int find_scripts(char **scripts_array, char **scripts_path_array)
 
2778{
2779	struct dirent *script_dirent, *lang_dirent;
2780	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2781	DIR *scripts_dir, *lang_dir;
2782	struct perf_session *session;
2783	struct perf_data data = {
2784		.file      = {
2785			.path = input_name,
2786		},
2787		.mode      = PERF_DATA_MODE_READ,
2788	};
2789	char *temp;
2790	int i = 0;
2791
2792	session = perf_session__new(&data, false, NULL);
2793	if (!session)
2794		return -1;
2795
2796	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2797
2798	scripts_dir = opendir(scripts_path);
2799	if (!scripts_dir) {
2800		perf_session__delete(session);
2801		return -1;
2802	}
2803
2804	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2805		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2806			  lang_dirent->d_name);
2807#ifndef HAVE_LIBPERL_SUPPORT
2808		if (strstr(lang_path, "perl"))
2809			continue;
2810#endif
2811#ifndef HAVE_LIBPYTHON_SUPPORT
2812		if (strstr(lang_path, "python"))
2813			continue;
2814#endif
2815
2816		lang_dir = opendir(lang_path);
2817		if (!lang_dir)
2818			continue;
2819
2820		for_each_script(lang_path, lang_dir, script_dirent) {
2821			/* Skip those real time scripts: xxxtop.p[yl] */
2822			if (strstr(script_dirent->d_name, "top."))
2823				continue;
2824			sprintf(scripts_path_array[i], "%s/%s", lang_path,
 
 
 
2825				script_dirent->d_name);
2826			temp = strchr(script_dirent->d_name, '.');
2827			snprintf(scripts_array[i],
2828				(temp - script_dirent->d_name) + 1,
2829				"%s", script_dirent->d_name);
2830
2831			if (check_ev_match(lang_path,
2832					scripts_array[i], session))
2833				continue;
2834
2835			i++;
2836		}
2837		closedir(lang_dir);
2838	}
2839
2840	closedir(scripts_dir);
2841	perf_session__delete(session);
2842	return i;
2843}
2844
2845static char *get_script_path(const char *script_root, const char *suffix)
2846{
2847	struct dirent *script_dirent, *lang_dirent;
2848	char scripts_path[MAXPATHLEN];
2849	char script_path[MAXPATHLEN];
2850	DIR *scripts_dir, *lang_dir;
2851	char lang_path[MAXPATHLEN];
2852	char *__script_root;
2853
2854	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2855
2856	scripts_dir = opendir(scripts_path);
2857	if (!scripts_dir)
2858		return NULL;
2859
2860	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2861		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2862			  lang_dirent->d_name);
2863		lang_dir = opendir(lang_path);
2864		if (!lang_dir)
2865			continue;
2866
2867		for_each_script(lang_path, lang_dir, script_dirent) {
2868			__script_root = get_script_root(script_dirent, suffix);
2869			if (__script_root && !strcmp(script_root, __script_root)) {
2870				free(__script_root);
2871				closedir(lang_dir);
2872				closedir(scripts_dir);
2873				scnprintf(script_path, MAXPATHLEN, "%s/%s",
2874					  lang_path, script_dirent->d_name);
2875				return strdup(script_path);
2876			}
2877			free(__script_root);
2878		}
2879		closedir(lang_dir);
2880	}
2881	closedir(scripts_dir);
2882
2883	return NULL;
2884}
2885
2886static bool is_top_script(const char *script_path)
2887{
2888	return ends_with(script_path, "top") == NULL ? false : true;
2889}
2890
2891static int has_required_arg(char *script_path)
2892{
2893	struct script_desc *desc;
2894	int n_args = 0;
2895	char *p;
2896
2897	desc = script_desc__new(NULL);
2898
2899	if (read_script_info(desc, script_path))
2900		goto out;
2901
2902	if (!desc->args)
2903		goto out;
2904
2905	for (p = desc->args; *p; p++)
2906		if (*p == '<')
2907			n_args++;
2908out:
2909	script_desc__delete(desc);
2910
2911	return n_args;
2912}
2913
2914static int have_cmd(int argc, const char **argv)
2915{
2916	char **__argv = malloc(sizeof(const char *) * argc);
2917
2918	if (!__argv) {
2919		pr_err("malloc failed\n");
2920		return -1;
2921	}
2922
2923	memcpy(__argv, argv, sizeof(const char *) * argc);
2924	argc = parse_options(argc, (const char **)__argv, record_options,
2925			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2926	free(__argv);
2927
2928	system_wide = (argc == 0);
2929
2930	return 0;
2931}
2932
2933static void script__setup_sample_type(struct perf_script *script)
2934{
2935	struct perf_session *session = script->session;
2936	u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2937
2938	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2939		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2940		    (sample_type & PERF_SAMPLE_STACK_USER)) {
2941			callchain_param.record_mode = CALLCHAIN_DWARF;
2942			dwarf_callchain_users = true;
2943		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2944			callchain_param.record_mode = CALLCHAIN_LBR;
2945		else
2946			callchain_param.record_mode = CALLCHAIN_FP;
2947	}
2948}
2949
2950static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
2951				    union perf_event *event,
2952				    struct perf_session *session)
2953{
2954	struct stat_round_event *round = &event->stat_round;
2955	struct perf_evsel *counter;
2956
2957	evlist__for_each_entry(session->evlist, counter) {
2958		perf_stat_process_counter(&stat_config, counter);
2959		process_stat(counter, round->time);
2960	}
2961
2962	process_stat_interval(round->time);
2963	return 0;
2964}
2965
2966static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
2967				     union perf_event *event,
2968				     struct perf_session *session __maybe_unused)
2969{
2970	perf_event__read_stat_config(&stat_config, &event->stat_config);
2971	return 0;
2972}
2973
2974static int set_maps(struct perf_script *script)
2975{
2976	struct perf_evlist *evlist = script->session->evlist;
2977
2978	if (!script->cpus || !script->threads)
2979		return 0;
2980
2981	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
2982		return -EINVAL;
2983
2984	perf_evlist__set_maps(evlist, script->cpus, script->threads);
2985
2986	if (perf_evlist__alloc_stats(evlist, true))
2987		return -ENOMEM;
2988
2989	script->allocated = true;
2990	return 0;
2991}
2992
2993static
2994int process_thread_map_event(struct perf_tool *tool,
2995			     union perf_event *event,
2996			     struct perf_session *session __maybe_unused)
2997{
 
2998	struct perf_script *script = container_of(tool, struct perf_script, tool);
2999
3000	if (script->threads) {
3001		pr_warning("Extra thread map event, ignoring.\n");
3002		return 0;
3003	}
3004
3005	script->threads = thread_map__new_event(&event->thread_map);
3006	if (!script->threads)
3007		return -ENOMEM;
3008
3009	return set_maps(script);
3010}
3011
3012static
3013int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
3014			  union perf_event *event,
3015			  struct perf_session *session __maybe_unused)
3016{
 
3017	struct perf_script *script = container_of(tool, struct perf_script, tool);
3018
3019	if (script->cpus) {
3020		pr_warning("Extra cpu map event, ignoring.\n");
3021		return 0;
3022	}
3023
3024	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3025	if (!script->cpus)
3026		return -ENOMEM;
3027
3028	return set_maps(script);
3029}
3030
 
 
 
 
 
 
 
 
3031#ifdef HAVE_AUXTRACE_SUPPORT
3032static int perf_script__process_auxtrace_info(struct perf_tool *tool,
3033					      union perf_event *event,
3034					      struct perf_session *session)
3035{
3036	int ret = perf_event__process_auxtrace_info(tool, event, session);
 
 
3037
3038	if (ret == 0) {
3039		struct perf_script *script = container_of(tool, struct perf_script, tool);
3040
3041		ret = perf_script__setup_per_event_dump(script);
3042	}
3043
3044	return ret;
3045}
3046#else
3047#define perf_script__process_auxtrace_info 0
3048#endif
3049
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3050int cmd_script(int argc, const char **argv)
3051{
3052	bool show_full_info = false;
3053	bool header = false;
3054	bool header_only = false;
3055	bool script_started = false;
3056	char *rec_script_path = NULL;
3057	char *rep_script_path = NULL;
3058	struct perf_session *session;
3059	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
 
 
 
 
3060	char *script_path = NULL;
3061	const char **__argv;
3062	int i, j, err = 0;
3063	struct perf_script script = {
3064		.tool = {
3065			.sample		 = process_sample_event,
3066			.mmap		 = perf_event__process_mmap,
3067			.mmap2		 = perf_event__process_mmap2,
3068			.comm		 = perf_event__process_comm,
3069			.namespaces	 = perf_event__process_namespaces,
3070			.exit		 = perf_event__process_exit,
3071			.fork		 = perf_event__process_fork,
3072			.attr		 = process_attr,
3073			.event_update   = perf_event__process_event_update,
3074			.tracing_data	 = perf_event__process_tracing_data,
3075			.feature	 = perf_event__process_feature,
3076			.build_id	 = perf_event__process_build_id,
3077			.id_index	 = perf_event__process_id_index,
3078			.auxtrace_info	 = perf_script__process_auxtrace_info,
3079			.auxtrace	 = perf_event__process_auxtrace,
3080			.auxtrace_error	 = perf_event__process_auxtrace_error,
3081			.stat		 = perf_event__process_stat_event,
3082			.stat_round	 = process_stat_round_event,
3083			.stat_config	 = process_stat_config_event,
3084			.thread_map	 = process_thread_map_event,
3085			.cpu_map	 = process_cpu_map_event,
3086			.ordered_events	 = true,
3087			.ordering_requires_timestamps = true,
3088		},
3089	};
3090	struct perf_data data = {
3091		.mode = PERF_DATA_MODE_READ,
3092	};
3093	const struct option options[] = {
3094	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3095		    "dump raw trace in ASCII"),
3096	OPT_INCR('v', "verbose", &verbose,
3097		 "be more verbose (show symbol address, etc)"),
3098	OPT_BOOLEAN('L', "Latency", &latency_format,
3099		    "show latency attributes (irqs/preemption disabled, etc)"),
3100	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3101			   list_available_scripts),
3102	OPT_CALLBACK('s', "script", NULL, "name",
3103		     "script file name (lang:script name, script name, or *)",
3104		     parse_scriptname),
3105	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3106		   "generate perf-script.xx script in specified language"),
3107	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3108	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3109		   "do various checks like samples ordering and lost events"),
3110	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3111	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3112	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3113		   "file", "vmlinux pathname"),
3114	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3115		   "file", "kallsyms pathname"),
3116	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3117		    "When printing symbols do not display call chain"),
3118	OPT_CALLBACK(0, "symfs", NULL, "directory",
3119		     "Look for files with symbols relative to this directory",
3120		     symbol__config_symfs),
3121	OPT_CALLBACK('F', "fields", NULL, "str",
3122		     "comma separated output fields prepend with 'type:'. "
3123		     "+field to add and -field to remove."
3124		     "Valid types: hw,sw,trace,raw,synth. "
3125		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3126		     "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3127		     "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
 
3128		     parse_output_fields),
3129	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3130		    "system-wide collection from all CPUs"),
3131	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3132		   "only consider these symbols"),
 
 
 
 
 
 
 
 
 
 
3133	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3134		   "Stop display of callgraph at these symbols"),
3135	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3136	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3137		   "only display events for these comms"),
3138	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3139		   "only consider symbols in these pids"),
3140	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3141		   "only consider symbols in these tids"),
3142	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3143		     "Set the maximum stack depth when parsing the callchain, "
3144		     "anything beyond the specified depth will be ignored. "
3145		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
 
3146	OPT_BOOLEAN('I', "show-info", &show_full_info,
3147		    "display extended information from perf.data file"),
3148	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3149		    "Show the path of [kernel.kallsyms]"),
3150	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3151		    "Show the fork/comm/exit events"),
3152	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3153		    "Show the mmap events"),
3154	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3155		    "Show context switch events (if recorded)"),
3156	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3157		    "Show namespace events (if recorded)"),
3158	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3159		    "Show lost events (if recorded)"),
3160	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3161		    "Show round events (if recorded)"),
 
 
3162	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3163		    "Dump trace output to files named by the monitored events"),
3164	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3165	OPT_INTEGER(0, "max-blocks", &max_blocks,
3166		    "Maximum number of code blocks to dump with brstackinsn"),
3167	OPT_BOOLEAN(0, "ns", &nanosecs,
3168		    "Use 9 decimal places when displaying time"),
3169	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3170			    "Instruction Tracing options",
3171			    itrace_parse_synth_opts),
3172	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3173			"Show full source file name path for source lines"),
3174	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3175			"Enable symbol demangling"),
3176	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3177			"Enable kernel symbol demangling"),
3178	OPT_STRING(0, "time", &script.time_str, "str",
3179		   "Time span of interest (start,stop)"),
3180	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3181		    "Show inline function"),
 
 
 
 
 
 
 
 
 
 
3182	OPT_END()
3183	};
3184	const char * const script_subcommands[] = { "record", "report", NULL };
3185	const char *script_usage[] = {
3186		"perf script [<options>]",
3187		"perf script [<options>] record <script> [<record-options>] <command>",
3188		"perf script [<options>] report <script> [script-args]",
3189		"perf script [<options>] <script> [<record-options>] <command>",
3190		"perf script [<options>] <top-script> [script-args]",
3191		NULL
3192	};
3193
3194	perf_set_singlethreaded();
3195
3196	setup_scripting();
3197
3198	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3199			     PARSE_OPT_STOP_AT_NON_OPTION);
3200
3201	data.file.path = input_name;
3202	data.force     = symbol_conf.force;
 
 
 
 
 
 
 
 
 
 
3203
3204	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3205		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3206		if (!rec_script_path)
3207			return cmd_record(argc, argv);
3208	}
3209
3210	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3211		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3212		if (!rep_script_path) {
3213			fprintf(stderr,
3214				"Please specify a valid report script"
3215				"(see 'perf script -l' for listing)\n");
3216			return -1;
3217		}
3218	}
3219
 
 
 
 
 
3220	if (itrace_synth_opts.callchain &&
3221	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3222		scripting_max_stack = itrace_synth_opts.callchain_sz;
3223
3224	/* make sure PERF_EXEC_PATH is set for scripts */
3225	set_argv_exec_path(get_argv_exec_path());
3226
3227	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3228		int live_pipe[2];
3229		int rep_args;
3230		pid_t pid;
3231
3232		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3233		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3234
3235		if (!rec_script_path && !rep_script_path) {
3236			usage_with_options_msg(script_usage, options,
3237				"Couldn't find script `%s'\n\n See perf"
3238				" script -l for available scripts.\n", argv[0]);
3239		}
3240
3241		if (is_top_script(argv[0])) {
3242			rep_args = argc - 1;
3243		} else {
3244			int rec_args;
3245
3246			rep_args = has_required_arg(rep_script_path);
3247			rec_args = (argc - 1) - rep_args;
3248			if (rec_args < 0) {
3249				usage_with_options_msg(script_usage, options,
3250					"`%s' script requires options."
3251					"\n\n See perf script -l for available "
3252					"scripts and options.\n", argv[0]);
3253			}
3254		}
3255
3256		if (pipe(live_pipe) < 0) {
3257			perror("failed to create pipe");
3258			return -1;
3259		}
3260
3261		pid = fork();
3262		if (pid < 0) {
3263			perror("failed to fork");
3264			return -1;
3265		}
3266
3267		if (!pid) {
3268			j = 0;
3269
3270			dup2(live_pipe[1], 1);
3271			close(live_pipe[0]);
3272
3273			if (is_top_script(argv[0])) {
3274				system_wide = true;
3275			} else if (!system_wide) {
3276				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3277					err = -1;
3278					goto out;
3279				}
3280			}
3281
3282			__argv = malloc((argc + 6) * sizeof(const char *));
3283			if (!__argv) {
3284				pr_err("malloc failed\n");
3285				err = -ENOMEM;
3286				goto out;
3287			}
3288
3289			__argv[j++] = "/bin/sh";
3290			__argv[j++] = rec_script_path;
3291			if (system_wide)
3292				__argv[j++] = "-a";
3293			__argv[j++] = "-q";
3294			__argv[j++] = "-o";
3295			__argv[j++] = "-";
3296			for (i = rep_args + 1; i < argc; i++)
3297				__argv[j++] = argv[i];
3298			__argv[j++] = NULL;
3299
3300			execvp("/bin/sh", (char **)__argv);
3301			free(__argv);
3302			exit(-1);
3303		}
3304
3305		dup2(live_pipe[0], 0);
3306		close(live_pipe[1]);
3307
3308		__argv = malloc((argc + 4) * sizeof(const char *));
3309		if (!__argv) {
3310			pr_err("malloc failed\n");
3311			err = -ENOMEM;
3312			goto out;
3313		}
3314
3315		j = 0;
3316		__argv[j++] = "/bin/sh";
3317		__argv[j++] = rep_script_path;
3318		for (i = 1; i < rep_args + 1; i++)
3319			__argv[j++] = argv[i];
3320		__argv[j++] = "-i";
3321		__argv[j++] = "-";
3322		__argv[j++] = NULL;
3323
3324		execvp("/bin/sh", (char **)__argv);
3325		free(__argv);
3326		exit(-1);
3327	}
3328
3329	if (rec_script_path)
3330		script_path = rec_script_path;
3331	if (rep_script_path)
3332		script_path = rep_script_path;
3333
3334	if (script_path) {
3335		j = 0;
3336
3337		if (!rec_script_path)
3338			system_wide = false;
3339		else if (!system_wide) {
3340			if (have_cmd(argc - 1, &argv[1]) != 0) {
3341				err = -1;
3342				goto out;
3343			}
3344		}
3345
3346		__argv = malloc((argc + 2) * sizeof(const char *));
3347		if (!__argv) {
3348			pr_err("malloc failed\n");
3349			err = -ENOMEM;
3350			goto out;
3351		}
3352
3353		__argv[j++] = "/bin/sh";
3354		__argv[j++] = script_path;
3355		if (system_wide)
3356			__argv[j++] = "-a";
3357		for (i = 2; i < argc; i++)
3358			__argv[j++] = argv[i];
3359		__argv[j++] = NULL;
3360
3361		execvp("/bin/sh", (char **)__argv);
3362		free(__argv);
3363		exit(-1);
3364	}
3365
3366	if (!script_name)
3367		setup_pager();
 
 
3368
3369	session = perf_session__new(&data, false, &script.tool);
3370	if (session == NULL)
3371		return -1;
3372
3373	if (header || header_only) {
3374		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3375		perf_session__fprintf_info(session, stdout, show_full_info);
3376		if (header_only)
3377			goto out_delete;
3378	}
3379	if (show_full_info)
3380		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3381
3382	if (symbol__init(&session->header.env) < 0)
3383		goto out_delete;
3384
 
 
 
 
 
 
 
3385	script.session = session;
3386	script__setup_sample_type(&script);
3387
3388	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
 
3389		itrace_synth_opts.thread_stack = true;
3390
3391	session->itrace_synth_opts = &itrace_synth_opts;
3392
3393	if (cpu_list) {
3394		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3395		if (err < 0)
3396			goto out_delete;
3397		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3398	}
3399
3400	if (!no_callchain)
3401		symbol_conf.use_callchain = true;
3402	else
3403		symbol_conf.use_callchain = false;
3404
3405	if (session->tevent.pevent &&
3406	    pevent_set_function_resolver(session->tevent.pevent,
3407					 machine__resolve_kernel_addr,
3408					 &session->machines.host) < 0) {
3409		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3410		err = -1;
3411		goto out_delete;
3412	}
3413
3414	if (generate_script_lang) {
3415		struct stat perf_stat;
3416		int input;
3417
3418		if (output_set_by_user()) {
3419			fprintf(stderr,
3420				"custom fields not supported for generated scripts");
3421			err = -EINVAL;
3422			goto out_delete;
3423		}
3424
3425		input = open(data.file.path, O_RDONLY);	/* input_name */
3426		if (input < 0) {
3427			err = -errno;
3428			perror("failed to open file");
3429			goto out_delete;
3430		}
3431
3432		err = fstat(input, &perf_stat);
3433		if (err < 0) {
3434			perror("failed to stat file");
3435			goto out_delete;
3436		}
3437
3438		if (!perf_stat.st_size) {
3439			fprintf(stderr, "zero-sized file, nothing to do!\n");
3440			goto out_delete;
3441		}
3442
3443		scripting_ops = script_spec__lookup(generate_script_lang);
3444		if (!scripting_ops) {
3445			fprintf(stderr, "invalid language specifier");
3446			err = -ENOENT;
3447			goto out_delete;
3448		}
3449
3450		err = scripting_ops->generate_script(session->tevent.pevent,
3451						     "perf-script");
3452		goto out_delete;
3453	}
3454
3455	if (script_name) {
3456		err = scripting_ops->start_script(script_name, argc, argv);
3457		if (err)
3458			goto out_delete;
3459		pr_debug("perf script started with script %s\n\n", script_name);
3460		script_started = true;
3461	}
3462
3463
3464	err = perf_session__check_output_opt(session);
3465	if (err < 0)
3466		goto out_delete;
3467
3468	script.ptime_range = perf_time__range_alloc(script.time_str,
3469						    &script.range_size);
3470	if (!script.ptime_range) {
3471		err = -ENOMEM;
3472		goto out_delete;
3473	}
3474
3475	/* needs to be parsed after looking up reference time */
3476	if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
3477		if (session->evlist->first_sample_time == 0 &&
3478		    session->evlist->last_sample_time == 0) {
3479			pr_err("HINT: no first/last sample time found in perf data.\n"
3480			       "Please use latest perf binary to execute 'perf record'\n"
3481			       "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3482			err = -EINVAL;
3483			goto out_delete;
3484		}
3485
3486		script.range_num = perf_time__percent_parse_str(
3487					script.ptime_range, script.range_size,
3488					script.time_str,
3489					session->evlist->first_sample_time,
3490					session->evlist->last_sample_time);
3491
3492		if (script.range_num < 0) {
3493			pr_err("Invalid time string\n");
3494			err = -EINVAL;
3495			goto out_delete;
3496		}
3497	} else {
3498		script.range_num = 1;
3499	}
3500
3501	err = __cmd_script(&script);
3502
3503	flush_scripting();
3504
3505out_delete:
3506	zfree(&script.ptime_range);
 
 
 
3507
3508	perf_evlist__free_stats(session->evlist);
3509	perf_session__delete(session);
3510
3511	if (script_started)
3512		cleanup_scripting();
3513out:
3514	return err;
3515}