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/env.h"
  19#include "util/evlist.h"
  20#include "util/evsel.h"
  21#include "util/evsel_fprintf.h"
  22#include "util/evswitch.h"
  23#include "util/sort.h"
  24#include "util/data.h"
  25#include "util/auxtrace.h"
  26#include "util/cpumap.h"
  27#include "util/thread_map.h"
  28#include "util/stat.h"
  29#include "util/color.h"
  30#include "util/string2.h"
  31#include "util/thread-stack.h"
  32#include "util/time-utils.h"
  33#include "util/path.h"
  34#include "util/event.h"
  35#include "ui/ui.h"
  36#include "print_binary.h"
  37#include "print_insn.h"
  38#include "archinsn.h"
  39#include <linux/bitmap.h>
  40#include <linux/kernel.h>
  41#include <linux/stringify.h>
  42#include <linux/time64.h>
  43#include <linux/zalloc.h>
  44#include <sys/utsname.h>
  45#include "asm/bug.h"
  46#include "util/mem-events.h"
  47#include "util/dump-insn.h"
  48#include <dirent.h>
  49#include <errno.h>
  50#include <inttypes.h>
  51#include <signal.h>
  52#include <sys/param.h>
  53#include <sys/types.h>
  54#include <sys/stat.h>
  55#include <fcntl.h>
  56#include <unistd.h>
  57#include <subcmd/pager.h>
  58#include <perf/evlist.h>
  59#include <linux/err.h>
  60#include "util/dlfilter.h"
  61#include "util/record.h"
  62#include "util/util.h"
  63#include "util/cgroup.h"
  64#include "perf.h"
  65
  66#include <linux/ctype.h>
  67#ifdef HAVE_LIBTRACEEVENT
  68#include <traceevent/event-parse.h>
  69#endif
  70
  71static char const		*script_name;
  72static char const		*generate_script_lang;
  73static bool			reltime;
  74static bool			deltatime;
  75static u64			initial_time;
  76static u64			previous_time;
  77static bool			debug_mode;
  78static u64			last_timestamp;
  79static u64			nr_unordered;
  80static bool			no_callchain;
  81static bool			latency_format;
  82static bool			system_wide;
  83static bool			print_flags;
  84static const char		*cpu_list;
  85static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  86static struct perf_stat_config	stat_config;
  87static int			max_blocks;
  88static bool			native_arch;
  89static struct dlfilter		*dlfilter;
  90static int			dlargc;
  91static char			**dlargv;
  92
  93unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  94
  95enum perf_output_field {
  96	PERF_OUTPUT_COMM            = 1ULL << 0,
  97	PERF_OUTPUT_TID             = 1ULL << 1,
  98	PERF_OUTPUT_PID             = 1ULL << 2,
  99	PERF_OUTPUT_TIME            = 1ULL << 3,
 100	PERF_OUTPUT_CPU             = 1ULL << 4,
 101	PERF_OUTPUT_EVNAME          = 1ULL << 5,
 102	PERF_OUTPUT_TRACE           = 1ULL << 6,
 103	PERF_OUTPUT_IP              = 1ULL << 7,
 104	PERF_OUTPUT_SYM             = 1ULL << 8,
 105	PERF_OUTPUT_DSO             = 1ULL << 9,
 106	PERF_OUTPUT_ADDR            = 1ULL << 10,
 107	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
 108	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
 109	PERF_OUTPUT_PERIOD          = 1ULL << 13,
 110	PERF_OUTPUT_IREGS	    = 1ULL << 14,
 111	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
 112	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
 113	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
 114	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
 115	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
 116	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
 117	PERF_OUTPUT_INSN	    = 1ULL << 21,
 118	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
 119	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
 120	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
 121	PERF_OUTPUT_SYNTH           = 1ULL << 25,
 122	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 123	PERF_OUTPUT_UREGS	    = 1ULL << 27,
 124	PERF_OUTPUT_METRIC	    = 1ULL << 28,
 125	PERF_OUTPUT_MISC            = 1ULL << 29,
 126	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
 127	PERF_OUTPUT_IPC             = 1ULL << 31,
 128	PERF_OUTPUT_TOD             = 1ULL << 32,
 129	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 130	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 131	PERF_OUTPUT_INS_LAT         = 1ULL << 35,
 132	PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
 133	PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
 134	PERF_OUTPUT_VCPU            = 1ULL << 38,
 135	PERF_OUTPUT_CGROUP          = 1ULL << 39,
 136	PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
 137	PERF_OUTPUT_DSOFF           = 1ULL << 41,
 138	PERF_OUTPUT_DISASM          = 1ULL << 42,
 139};
 140
 141struct perf_script {
 142	struct perf_tool	tool;
 143	struct perf_session	*session;
 144	bool			show_task_events;
 145	bool			show_mmap_events;
 146	bool			show_switch_events;
 147	bool			show_namespace_events;
 148	bool			show_lost_events;
 149	bool			show_round_events;
 150	bool			show_bpf_events;
 151	bool			show_cgroup_events;
 152	bool			show_text_poke_events;
 153	bool			allocated;
 154	bool			per_event_dump;
 155	bool			stitch_lbr;
 156	struct evswitch		evswitch;
 157	struct perf_cpu_map	*cpus;
 158	struct perf_thread_map *threads;
 159	int			name_width;
 160	const char              *time_str;
 161	struct perf_time_interval *ptime_range;
 162	int			range_size;
 163	int			range_num;
 164};
 165
 166struct output_option {
 167	const char *str;
 168	enum perf_output_field field;
 169} all_output_options[] = {
 170	{.str = "comm",  .field = PERF_OUTPUT_COMM},
 171	{.str = "tid",   .field = PERF_OUTPUT_TID},
 172	{.str = "pid",   .field = PERF_OUTPUT_PID},
 173	{.str = "time",  .field = PERF_OUTPUT_TIME},
 174	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
 175	{.str = "event", .field = PERF_OUTPUT_EVNAME},
 176	{.str = "trace", .field = PERF_OUTPUT_TRACE},
 177	{.str = "ip",    .field = PERF_OUTPUT_IP},
 178	{.str = "sym",   .field = PERF_OUTPUT_SYM},
 179	{.str = "dso",   .field = PERF_OUTPUT_DSO},
 180	{.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
 181	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
 182	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 183	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 184	{.str = "period", .field = PERF_OUTPUT_PERIOD},
 185	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
 186	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
 187	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 188	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 189	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 190	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 191	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 192	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 193	{.str = "insn", .field = PERF_OUTPUT_INSN},
 194	{.str = "disasm", .field = PERF_OUTPUT_DISASM},
 195	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 196	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 197	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 198	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
 199	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 200	{.str = "metric", .field = PERF_OUTPUT_METRIC},
 201	{.str = "misc", .field = PERF_OUTPUT_MISC},
 202	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 203	{.str = "ipc", .field = PERF_OUTPUT_IPC},
 204	{.str = "tod", .field = PERF_OUTPUT_TOD},
 205	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 206	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 207	{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
 208	{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
 209	{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
 210	{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
 211	{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
 212	{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
 213};
 214
 215enum {
 216	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 217	OUTPUT_TYPE_OTHER,
 218	OUTPUT_TYPE_MAX
 219};
 220
 221/* default set to maintain compatibility with current format */
 222static struct {
 223	bool user_set;
 224	bool wildcard_set;
 225	unsigned int print_ip_opts;
 226	u64 fields;
 227	u64 invalid_fields;
 228	u64 user_set_fields;
 229	u64 user_unset_fields;
 230} output[OUTPUT_TYPE_MAX] = {
 231
 232	[PERF_TYPE_HARDWARE] = {
 233		.user_set = false,
 234
 235		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 236			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 237			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 238			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 239			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 240
 241		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 242	},
 243
 244	[PERF_TYPE_SOFTWARE] = {
 245		.user_set = false,
 246
 247		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 248			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 249			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 250			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 251			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 252			      PERF_OUTPUT_BPF_OUTPUT,
 253
 254		.invalid_fields = PERF_OUTPUT_TRACE,
 255	},
 256
 257	[PERF_TYPE_TRACEPOINT] = {
 258		.user_set = false,
 259
 260		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 261				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 262				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 263	},
 264
 265	[PERF_TYPE_HW_CACHE] = {
 266		.user_set = false,
 267
 268		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 269			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 270			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 271			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 272			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 273
 274		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 275	},
 276
 277	[PERF_TYPE_RAW] = {
 278		.user_set = false,
 279
 280		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 281			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 282			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 283			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 284			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 285			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 286			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 287			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
 288			      PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
 289
 290		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 291	},
 292
 293	[PERF_TYPE_BREAKPOINT] = {
 294		.user_set = false,
 295
 296		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 297			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 298			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 299			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 300			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 301
 302		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 303	},
 304
 305	[OUTPUT_TYPE_SYNTH] = {
 306		.user_set = false,
 307
 308		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 309			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 310			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 311			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 312			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 313
 314		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 315	},
 316
 317	[OUTPUT_TYPE_OTHER] = {
 318		.user_set = false,
 319
 320		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 321			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 322			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 323			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 324			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 325
 326		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 327	},
 328};
 329
 330struct evsel_script {
 331       char *filename;
 332       FILE *fp;
 333       u64  samples;
 334       /* For metric output */
 335       u64  val;
 336       int  gnum;
 337};
 338
 339static inline struct evsel_script *evsel_script(struct evsel *evsel)
 340{
 341	return (struct evsel_script *)evsel->priv;
 342}
 343
 344static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 345{
 346	struct evsel_script *es = zalloc(sizeof(*es));
 347
 348	if (es != NULL) {
 349		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 350			goto out_free;
 351		es->fp = fopen(es->filename, "w");
 352		if (es->fp == NULL)
 353			goto out_free_filename;
 354	}
 355
 356	return es;
 357out_free_filename:
 358	zfree(&es->filename);
 359out_free:
 360	free(es);
 361	return NULL;
 362}
 363
 364static void evsel_script__delete(struct evsel_script *es)
 365{
 366	zfree(&es->filename);
 367	fclose(es->fp);
 368	es->fp = NULL;
 369	free(es);
 370}
 371
 372static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 373{
 374	struct stat st;
 375
 376	fstat(fileno(es->fp), &st);
 377	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 378		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 379}
 380
 381static inline int output_type(unsigned int type)
 382{
 383	switch (type) {
 384	case PERF_TYPE_SYNTH:
 385		return OUTPUT_TYPE_SYNTH;
 386	default:
 387		if (type < PERF_TYPE_MAX)
 388			return type;
 389	}
 390
 391	return OUTPUT_TYPE_OTHER;
 392}
 393
 394static bool output_set_by_user(void)
 395{
 396	int j;
 397	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 398		if (output[j].user_set)
 399			return true;
 400	}
 401	return false;
 402}
 403
 404static const char *output_field2str(enum perf_output_field field)
 405{
 406	int i, imax = ARRAY_SIZE(all_output_options);
 407	const char *str = "";
 408
 409	for (i = 0; i < imax; ++i) {
 410		if (all_output_options[i].field == field) {
 411			str = all_output_options[i].str;
 412			break;
 413		}
 414	}
 415	return str;
 416}
 417
 418#define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 419
 420static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 421				 enum perf_output_field field, bool allow_user_set)
 422{
 423	struct perf_event_attr *attr = &evsel->core.attr;
 424	int type = output_type(attr->type);
 425	const char *evname;
 426
 427	if (attr->sample_type & sample_type)
 428		return 0;
 429
 430	if (output[type].user_set_fields & field) {
 431		if (allow_user_set)
 432			return 0;
 433		evname = evsel__name(evsel);
 434		pr_err("Samples for '%s' event do not have %s attribute set. "
 435		       "Cannot print '%s' field.\n",
 436		       evname, sample_msg, output_field2str(field));
 437		return -1;
 438	}
 439
 440	/* user did not ask for it explicitly so remove from the default list */
 441	output[type].fields &= ~field;
 442	evname = evsel__name(evsel);
 443	pr_debug("Samples for '%s' event do not have %s attribute set. "
 444		 "Skipping '%s' field.\n",
 445		 evname, sample_msg, output_field2str(field));
 446
 447	return 0;
 448}
 449
 450static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 451			      enum perf_output_field field)
 452{
 453	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 454}
 455
 456static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 457{
 458	struct perf_event_attr *attr = &evsel->core.attr;
 459	bool allow_user_set;
 460
 461	if (evsel__is_dummy_event(evsel))
 462		return 0;
 463
 464	if (perf_header__has_feat(&session->header, HEADER_STAT))
 465		return 0;
 466
 467	allow_user_set = perf_header__has_feat(&session->header,
 468					       HEADER_AUXTRACE);
 469
 470	if (PRINT_FIELD(TRACE) &&
 471	    !perf_session__has_traces(session, "record -R"))
 472		return -EINVAL;
 473
 474	if (PRINT_FIELD(IP)) {
 475		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 476			return -EINVAL;
 477	}
 478
 479	if (PRINT_FIELD(ADDR) &&
 480	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 481		return -EINVAL;
 482
 483	if (PRINT_FIELD(DATA_SRC) &&
 484	    evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
 485		return -EINVAL;
 486
 487	if (PRINT_FIELD(WEIGHT) &&
 488	    evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
 489		return -EINVAL;
 490
 491	if (PRINT_FIELD(SYM) &&
 492	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 493		pr_err("Display of symbols requested but neither sample IP nor "
 494			   "sample address\navailable. Hence, no addresses to convert "
 495		       "to symbols.\n");
 496		return -EINVAL;
 497	}
 498	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 499		pr_err("Display of offsets requested but symbol is not"
 500		       "selected.\n");
 501		return -EINVAL;
 502	}
 503	if (PRINT_FIELD(DSO) &&
 504	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 505		pr_err("Display of DSO requested but no address to convert.\n");
 506		return -EINVAL;
 507	}
 508	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 509		pr_err("Display of source line number requested but sample IP is not\n"
 510		       "selected. Hence, no address to lookup the source line number.\n");
 511		return -EINVAL;
 512	}
 513	if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
 514	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 515		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 516		       "Hint: run 'perf record -b ...'\n");
 517		return -EINVAL;
 518	}
 519	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 520	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 521		return -EINVAL;
 522
 523	if (PRINT_FIELD(TIME) &&
 524	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 525		return -EINVAL;
 526
 527	if (PRINT_FIELD(CPU) &&
 528	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 529		return -EINVAL;
 530
 531	if (PRINT_FIELD(IREGS) &&
 532	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 533		return -EINVAL;
 534
 535	if (PRINT_FIELD(UREGS) &&
 536	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 537		return -EINVAL;
 538
 539	if (PRINT_FIELD(PHYS_ADDR) &&
 540	    evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
 541		return -EINVAL;
 542
 543	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 544	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 545		return -EINVAL;
 546
 547	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 548	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 549		return -EINVAL;
 550
 551	if (PRINT_FIELD(INS_LAT) &&
 552	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
 553		return -EINVAL;
 554
 555	if (PRINT_FIELD(CGROUP) &&
 556	    evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
 557		pr_err("Hint: run 'perf record --all-cgroups ...'\n");
 558		return -EINVAL;
 559	}
 560
 561	if (PRINT_FIELD(RETIRE_LAT) &&
 562	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
 563		return -EINVAL;
 564
 565	return 0;
 566}
 567
 568static void set_print_ip_opts(struct perf_event_attr *attr)
 569{
 570	unsigned int type = output_type(attr->type);
 571
 572	output[type].print_ip_opts = 0;
 573	if (PRINT_FIELD(IP))
 574		output[type].print_ip_opts |= EVSEL__PRINT_IP;
 575
 576	if (PRINT_FIELD(SYM))
 577		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 578
 579	if (PRINT_FIELD(DSO))
 580		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 581
 582	if (PRINT_FIELD(DSOFF))
 583		output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
 584
 585	if (PRINT_FIELD(SYMOFFSET))
 586		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 587
 588	if (PRINT_FIELD(SRCLINE))
 589		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 590}
 591
 592static struct evsel *find_first_output_type(struct evlist *evlist,
 593					    unsigned int type)
 594{
 595	struct evsel *evsel;
 596
 597	evlist__for_each_entry(evlist, evsel) {
 598		if (evsel__is_dummy_event(evsel))
 599			continue;
 600		if (output_type(evsel->core.attr.type) == (int)type)
 601			return evsel;
 602	}
 603	return NULL;
 604}
 605
 606/*
 607 * verify all user requested events exist and the samples
 608 * have the expected data
 609 */
 610static int perf_session__check_output_opt(struct perf_session *session)
 611{
 612	bool tod = false;
 613	unsigned int j;
 614	struct evsel *evsel;
 615
 616	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 617		evsel = find_first_output_type(session->evlist, j);
 618
 619		/*
 620		 * even if fields is set to 0 (ie., show nothing) event must
 621		 * exist if user explicitly includes it on the command line
 622		 */
 623		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 624		    j != OUTPUT_TYPE_SYNTH) {
 625			pr_err("%s events do not exist. "
 626			       "Remove corresponding -F option to proceed.\n",
 627			       event_type(j));
 628			return -1;
 629		}
 630
 631		if (evsel && output[j].fields &&
 632			evsel__check_attr(evsel, session))
 633			return -1;
 634
 635		if (evsel == NULL)
 636			continue;
 637
 638		/* 'dsoff' implys 'dso' field */
 639		if (output[j].fields & PERF_OUTPUT_DSOFF)
 640			output[j].fields |= PERF_OUTPUT_DSO;
 641
 642		set_print_ip_opts(&evsel->core.attr);
 643		tod |= output[j].fields & PERF_OUTPUT_TOD;
 644	}
 645
 646	if (!no_callchain) {
 647		bool use_callchain = false;
 648		bool not_pipe = false;
 649
 650		evlist__for_each_entry(session->evlist, evsel) {
 651			not_pipe = true;
 652			if (evsel__has_callchain(evsel)) {
 653				use_callchain = true;
 654				break;
 655			}
 656		}
 657		if (not_pipe && !use_callchain)
 658			symbol_conf.use_callchain = false;
 659	}
 660
 661	/*
 662	 * set default for tracepoints to print symbols only
 663	 * if callchains are present
 664	 */
 665	if (symbol_conf.use_callchain &&
 666	    !output[PERF_TYPE_TRACEPOINT].user_set) {
 667		j = PERF_TYPE_TRACEPOINT;
 668
 669		evlist__for_each_entry(session->evlist, evsel) {
 670			if (evsel->core.attr.type != j)
 671				continue;
 672
 673			if (evsel__has_callchain(evsel)) {
 674				output[j].fields |= PERF_OUTPUT_IP;
 675				output[j].fields |= PERF_OUTPUT_SYM;
 676				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 677				output[j].fields |= PERF_OUTPUT_DSO;
 678				set_print_ip_opts(&evsel->core.attr);
 679				goto out;
 680			}
 681		}
 682	}
 683
 684	if (tod && !session->header.env.clock.enabled) {
 685		pr_err("Can't provide 'tod' time, missing clock data. "
 686		       "Please record with -k/--clockid option.\n");
 687		return -1;
 688	}
 689out:
 690	return 0;
 691}
 692
 693static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
 694				     FILE *fp)
 695{
 696	unsigned i = 0, r;
 697	int printed = 0;
 698
 699	if (!regs || !regs->regs)
 700		return 0;
 701
 702	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 703
 704	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 705		u64 val = regs->regs[i++];
 706		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
 707	}
 708
 709	return printed;
 710}
 711
 712#define DEFAULT_TOD_FMT "%F %H:%M:%S"
 713
 714static char*
 715tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 716	     u64 timestamp)
 717{
 718	u64 tod_ns, clockid_ns;
 719	struct perf_env *env;
 720	unsigned long nsec;
 721	struct tm ltime;
 722	char date[64];
 723	time_t sec;
 724
 725	buf[0] = '\0';
 726	if (buflen < 64 || !script)
 727		return buf;
 728
 729	env = &script->session->header.env;
 730	if (!env->clock.enabled) {
 731		scnprintf(buf, buflen, "disabled");
 732		return buf;
 733	}
 734
 735	clockid_ns = env->clock.clockid_ns;
 736	tod_ns     = env->clock.tod_ns;
 737
 738	if (timestamp > clockid_ns)
 739		tod_ns += timestamp - clockid_ns;
 740	else
 741		tod_ns -= clockid_ns - timestamp;
 742
 743	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 744	nsec = tod_ns - sec * NSEC_PER_SEC;
 745
 746	if (localtime_r(&sec, &ltime) == NULL) {
 747		scnprintf(buf, buflen, "failed");
 748	} else {
 749		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 750
 751		if (symbol_conf.nanosecs) {
 752			snprintf(buf, buflen, "%s.%09lu", date, nsec);
 753		} else {
 754			snprintf(buf, buflen, "%s.%06lu",
 755				 date, nsec / NSEC_PER_USEC);
 756		}
 757	}
 758
 759	return buf;
 760}
 761
 762static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 763				      struct perf_event_attr *attr, const char *arch, FILE *fp)
 764{
 765	return perf_sample__fprintf_regs(&sample->intr_regs,
 766					 attr->sample_regs_intr, arch, fp);
 767}
 768
 769static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 770				      struct perf_event_attr *attr, const char *arch, FILE *fp)
 771{
 772	return perf_sample__fprintf_regs(&sample->user_regs,
 773					 attr->sample_regs_user, arch, fp);
 774}
 775
 776static int perf_sample__fprintf_start(struct perf_script *script,
 777				      struct perf_sample *sample,
 778				      struct thread *thread,
 779				      struct evsel *evsel,
 780				      u32 type, FILE *fp)
 781{
 782	struct perf_event_attr *attr = &evsel->core.attr;
 783	unsigned long secs;
 784	unsigned long long nsecs;
 785	int printed = 0;
 786	char tstr[128];
 787
 788	if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
 789		printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
 790
 791	/* Print VCPU only for guest events i.e. with machine_pid */
 792	if (PRINT_FIELD(VCPU) && sample->machine_pid)
 793		printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
 794
 795	if (PRINT_FIELD(COMM)) {
 796		const char *comm = thread ? thread__comm_str(thread) : ":-1";
 797
 798		if (latency_format)
 799			printed += fprintf(fp, "%8.8s ", comm);
 800		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 801			printed += fprintf(fp, "%s ", comm);
 802		else
 803			printed += fprintf(fp, "%16s ", comm);
 804	}
 805
 806	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 807		printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
 808	else if (PRINT_FIELD(PID))
 809		printed += fprintf(fp, "%7d ", sample->pid);
 810	else if (PRINT_FIELD(TID))
 811		printed += fprintf(fp, "%7d ", sample->tid);
 812
 813	if (PRINT_FIELD(CPU)) {
 814		if (latency_format)
 815			printed += fprintf(fp, "%3d ", sample->cpu);
 816		else
 817			printed += fprintf(fp, "[%03d] ", sample->cpu);
 818	}
 819
 820	if (PRINT_FIELD(MISC)) {
 821		int ret = 0;
 822
 823		#define has(m) \
 824			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 825
 826		if (has(KERNEL))
 827			ret += fprintf(fp, "K");
 828		if (has(USER))
 829			ret += fprintf(fp, "U");
 830		if (has(HYPERVISOR))
 831			ret += fprintf(fp, "H");
 832		if (has(GUEST_KERNEL))
 833			ret += fprintf(fp, "G");
 834		if (has(GUEST_USER))
 835			ret += fprintf(fp, "g");
 836
 837		switch (type) {
 838		case PERF_RECORD_MMAP:
 839		case PERF_RECORD_MMAP2:
 840			if (has(MMAP_DATA))
 841				ret += fprintf(fp, "M");
 842			break;
 843		case PERF_RECORD_COMM:
 844			if (has(COMM_EXEC))
 845				ret += fprintf(fp, "E");
 846			break;
 847		case PERF_RECORD_SWITCH:
 848		case PERF_RECORD_SWITCH_CPU_WIDE:
 849			if (has(SWITCH_OUT)) {
 850				ret += fprintf(fp, "S");
 851				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 852					ret += fprintf(fp, "p");
 853			}
 854		default:
 855			break;
 856		}
 857
 858		#undef has
 859
 860		ret += fprintf(fp, "%*s", 6 - ret, " ");
 861		printed += ret;
 862	}
 863
 864	if (PRINT_FIELD(TOD)) {
 865		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 866		printed += fprintf(fp, "%s ", tstr);
 867	}
 868
 869	if (PRINT_FIELD(TIME)) {
 870		u64 t = sample->time;
 871		if (reltime) {
 872			if (!initial_time)
 873				initial_time = sample->time;
 874			t = sample->time - initial_time;
 875		} else if (deltatime) {
 876			if (previous_time)
 877				t = sample->time - previous_time;
 878			else {
 879				t = 0;
 880			}
 881			previous_time = sample->time;
 882		}
 883		nsecs = t;
 884		secs = nsecs / NSEC_PER_SEC;
 885		nsecs -= secs * NSEC_PER_SEC;
 886
 887		if (symbol_conf.nanosecs)
 888			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 889		else {
 890			char sample_time[32];
 891			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 892			printed += fprintf(fp, "%12s: ", sample_time);
 893		}
 894	}
 895
 896	return printed;
 897}
 898
 899static inline char
 900mispred_str(struct branch_entry *br)
 901{
 902	if (!(br->flags.mispred  || br->flags.predicted))
 903		return '-';
 904
 905	return br->flags.predicted ? 'P' : 'M';
 906}
 907
 908static int print_bstack_flags(FILE *fp, struct branch_entry *br)
 909{
 910	return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
 911		       mispred_str(br),
 912		       br->flags.in_tx ? 'X' : '-',
 913		       br->flags.abort ? 'A' : '-',
 914		       br->flags.cycles,
 915		       get_branch_type(br),
 916		       br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
 917}
 918
 919static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 920					struct thread *thread,
 921					struct perf_event_attr *attr, FILE *fp)
 922{
 923	struct branch_stack *br = sample->branch_stack;
 924	struct branch_entry *entries = perf_sample__branch_entries(sample);
 
 925	u64 i, from, to;
 926	int printed = 0;
 927
 928	if (!(br && br->nr))
 929		return 0;
 930
 931	for (i = 0; i < br->nr; i++) {
 932		from = entries[i].from;
 933		to   = entries[i].to;
 934
 935		printed += fprintf(fp, " 0x%"PRIx64, from);
 936		if (PRINT_FIELD(DSO)) {
 937			struct addr_location alf, alt;
 938
 939			addr_location__init(&alf);
 940			addr_location__init(&alt);
 941			thread__find_map_fb(thread, sample->cpumode, from, &alf);
 942			thread__find_map_fb(thread, sample->cpumode, to, &alt);
 
 943
 944			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
 945			printed += fprintf(fp, "/0x%"PRIx64, to);
 946			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
 947			addr_location__exit(&alt);
 948			addr_location__exit(&alf);
 949		} else
 950			printed += fprintf(fp, "/0x%"PRIx64, to);
 
 
 
 
 
 
 951
 952		printed += print_bstack_flags(fp, entries + i);
 953	}
 954
 955	return printed;
 956}
 957
 958static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 959					   struct thread *thread,
 960					   struct perf_event_attr *attr, FILE *fp)
 961{
 962	struct branch_stack *br = sample->branch_stack;
 963	struct branch_entry *entries = perf_sample__branch_entries(sample);
 
 964	u64 i, from, to;
 965	int printed = 0;
 966
 967	if (!(br && br->nr))
 968		return 0;
 969
 970	for (i = 0; i < br->nr; i++) {
 971		struct addr_location alf, alt;
 972
 973		addr_location__init(&alf);
 974		addr_location__init(&alt);
 975		from = entries[i].from;
 976		to   = entries[i].to;
 977
 978		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 979		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 980
 981		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 982		if (PRINT_FIELD(DSO))
 983			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
 
 
 
 984		printed += fprintf(fp, "%c", '/');
 985		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 986		if (PRINT_FIELD(DSO))
 987			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
 
 
 
 988		printed += print_bstack_flags(fp, entries + i);
 989		addr_location__exit(&alt);
 990		addr_location__exit(&alf);
 991	}
 992
 993	return printed;
 994}
 995
 996static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 997					   struct thread *thread,
 998					   struct perf_event_attr *attr, FILE *fp)
 999{
1000	struct branch_stack *br = sample->branch_stack;
1001	struct branch_entry *entries = perf_sample__branch_entries(sample);
 
1002	u64 i, from, to;
1003	int printed = 0;
1004
1005	if (!(br && br->nr))
1006		return 0;
1007
1008	for (i = 0; i < br->nr; i++) {
1009		struct addr_location alf, alt;
1010
1011		addr_location__init(&alf);
1012		addr_location__init(&alt);
1013		from = entries[i].from;
1014		to   = entries[i].to;
1015
1016		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1017		    !map__dso(alf.map)->adjust_symbols)
1018			from = map__dso_map_ip(alf.map, from);
1019
1020		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1021		    !map__dso(alt.map)->adjust_symbols)
1022			to = map__dso_map_ip(alt.map, to);
1023
1024		printed += fprintf(fp, " 0x%"PRIx64, from);
1025		if (PRINT_FIELD(DSO))
1026			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
 
 
 
1027		printed += fprintf(fp, "/0x%"PRIx64, to);
1028		if (PRINT_FIELD(DSO))
1029			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
 
 
 
1030		printed += print_bstack_flags(fp, entries + i);
1031		addr_location__exit(&alt);
1032		addr_location__exit(&alf);
1033	}
1034
1035	return printed;
1036}
1037#define MAXBB 16384UL
1038
1039static int grab_bb(u8 *buffer, u64 start, u64 end,
1040		    struct machine *machine, struct thread *thread,
1041		    bool *is64bit, u8 *cpumode, bool last)
1042{
1043	long offset, len;
1044	struct addr_location al;
1045	bool kernel;
1046	struct dso *dso;
1047	int ret = 0;
1048
1049	if (!start || !end)
1050		return 0;
1051
1052	kernel = machine__kernel_ip(machine, start);
1053	if (kernel)
1054		*cpumode = PERF_RECORD_MISC_KERNEL;
1055	else
1056		*cpumode = PERF_RECORD_MISC_USER;
1057
1058	/*
1059	 * Block overlaps between kernel and user.
1060	 * This can happen due to ring filtering
1061	 * On Intel CPUs the entry into the kernel is filtered,
1062	 * but the exit is not. Let the caller patch it up.
1063	 */
1064	if (kernel != machine__kernel_ip(machine, end)) {
1065		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1066		return -ENXIO;
1067	}
1068
 
1069	if (end - start > MAXBB - MAXINSN) {
1070		if (last)
1071			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1072		else
1073			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1074		return 0;
1075	}
1076
1077	addr_location__init(&al);
1078	if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1079		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1080		goto out;
1081	}
1082	if (dso->data.status == DSO_DATA_STATUS_ERROR) {
1083		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1084		goto out;
1085	}
1086
1087	/* Load maps to ensure dso->is_64_bit has been updated */
1088	map__load(al.map);
1089
1090	offset = map__map_ip(al.map, start);
1091	len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1092				    end - start + MAXINSN);
1093
1094	*is64bit = dso->is_64_bit;
1095	if (len <= 0)
1096		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1097			start, end);
1098	ret = len;
1099out:
1100	addr_location__exit(&al);
1101	return ret;
1102}
1103
1104static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1105{
1106	char *srcfile;
1107	int ret = 0;
1108	unsigned line;
1109	int len;
1110	char *srccode;
1111	struct dso *dso;
1112
1113	if (!map || (dso = map__dso(map)) == NULL)
1114		return 0;
1115	srcfile = get_srcline_split(dso,
1116				    map__rip_2objdump(map, addr),
1117				    &line);
1118	if (!srcfile)
1119		return 0;
1120
1121	/* Avoid redundant printing */
1122	if (state &&
1123	    state->srcfile &&
1124	    !strcmp(state->srcfile, srcfile) &&
1125	    state->line == line) {
1126		free(srcfile);
1127		return 0;
1128	}
1129
1130	srccode = find_sourceline(srcfile, line, &len);
1131	if (!srccode)
1132		goto out_free_line;
1133
1134	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1135
1136	if (state) {
1137		state->srcfile = srcfile;
1138		state->line = line;
1139	}
1140	return ret;
1141
1142out_free_line:
1143	free(srcfile);
1144	return ret;
1145}
1146
1147static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1148{
1149	struct addr_location al;
1150	int ret = 0;
1151
1152	addr_location__init(&al);
1153	thread__find_map(thread, cpumode, addr, &al);
1154	if (!al.map)
1155		goto out;
1156	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1157				   thread__srccode_state(thread));
1158	if (ret)
1159		ret += printf("\n");
1160out:
1161	addr_location__exit(&al);
1162	return ret;
1163}
1164
1165static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1166			    struct perf_insn *x, u8 *inbuf, int len,
1167			    int insn, FILE *fp, int *total_cycles,
1168			    struct perf_event_attr *attr,
1169			    struct thread *thread)
1170{
1171	int ilen = 0;
1172	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
1173			      dump_insn(x, ip, inbuf, len, &ilen));
1174
1175	if (PRINT_FIELD(BRSTACKINSNLEN))
1176		printed += fprintf(fp, "ilen: %d\t", ilen);
1177
1178	if (PRINT_FIELD(SRCLINE)) {
1179		struct addr_location al;
1180
1181		addr_location__init(&al);
1182		thread__find_map(thread, x->cpumode, ip, &al);
1183		printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp);
1184		printed += fprintf(fp, "\t");
1185		addr_location__exit(&al);
1186	}
1187
1188	printed += fprintf(fp, "#%s%s%s%s",
1189			      en->flags.predicted ? " PRED" : "",
1190			      en->flags.mispred ? " MISPRED" : "",
1191			      en->flags.in_tx ? " INTX" : "",
1192			      en->flags.abort ? " ABORT" : "");
1193	if (en->flags.cycles) {
1194		*total_cycles += en->flags.cycles;
1195		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1196		if (insn)
1197			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1198	}
1199
1200	return printed + fprintf(fp, "\n");
1201}
1202
1203static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1204			   u8 cpumode, int cpu, struct symbol **lastsym,
1205			   struct perf_event_attr *attr, FILE *fp)
1206{
1207	struct addr_location al;
1208	int off, printed = 0, ret = 0;
 
 
1209
1210	addr_location__init(&al);
1211	thread__find_map(thread, cpumode, addr, &al);
1212
1213	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1214		goto out;
1215
1216	al.cpu = cpu;
1217	al.sym = NULL;
1218	if (al.map)
1219		al.sym = map__find_symbol(al.map, al.addr);
1220
1221	if (!al.sym)
1222		goto out;
1223
1224	if (al.addr < al.sym->end)
1225		off = al.addr - al.sym->start;
1226	else
1227		off = al.addr - map__start(al.map) - al.sym->start;
1228	printed += fprintf(fp, "\t%s", al.sym->name);
1229	if (off)
1230		printed += fprintf(fp, "%+d", off);
1231	printed += fprintf(fp, ":");
1232	if (PRINT_FIELD(SRCLINE))
1233		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1234	printed += fprintf(fp, "\n");
1235	*lastsym = al.sym;
1236
1237	ret = printed;
1238out:
1239	addr_location__exit(&al);
1240	return ret;
1241}
1242
1243static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1244					    struct thread *thread,
1245					    struct perf_event_attr *attr,
1246					    struct machine *machine, FILE *fp)
1247{
1248	struct branch_stack *br = sample->branch_stack;
1249	struct branch_entry *entries = perf_sample__branch_entries(sample);
1250	u64 start, end;
1251	int i, insn, len, nr, ilen, printed = 0;
1252	struct perf_insn x;
1253	u8 buffer[MAXBB];
1254	unsigned off;
1255	struct symbol *lastsym = NULL;
1256	int total_cycles = 0;
1257
1258	if (!(br && br->nr))
1259		return 0;
1260	nr = br->nr;
1261	if (max_blocks && nr > max_blocks + 1)
1262		nr = max_blocks + 1;
1263
1264	x.thread = thread;
1265	x.cpu = sample->cpu;
1266
1267	printed += fprintf(fp, "%c", '\n');
1268
1269	/* Handle first from jump, of which we don't know the entry. */
1270	len = grab_bb(buffer, entries[nr-1].from,
1271			entries[nr-1].from,
1272			machine, thread, &x.is64bit, &x.cpumode, false);
1273	if (len > 0) {
1274		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1275					   x.cpumode, x.cpu, &lastsym, attr, fp);
1276		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1277					    &x, buffer, len, 0, fp, &total_cycles,
1278					    attr, thread);
1279		if (PRINT_FIELD(SRCCODE))
1280			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1281	}
1282
1283	/* Print all blocks */
1284	for (i = nr - 2; i >= 0; i--) {
1285		if (entries[i].from || entries[i].to)
1286			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1287				 entries[i].from,
1288				 entries[i].to);
1289		start = entries[i + 1].to;
1290		end   = entries[i].from;
1291
1292		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1293		/* Patch up missing kernel transfers due to ring filters */
1294		if (len == -ENXIO && i > 0) {
1295			end = entries[--i].from;
1296			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1297			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1298		}
1299		if (len <= 0)
1300			continue;
1301
1302		insn = 0;
1303		for (off = 0; off < (unsigned)len; off += ilen) {
1304			uint64_t ip = start + off;
1305
1306			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1307			if (ip == end) {
1308				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1309							    &total_cycles, attr, thread);
1310				if (PRINT_FIELD(SRCCODE))
1311					printed += print_srccode(thread, x.cpumode, ip);
1312				break;
1313			} else {
1314				ilen = 0;
1315				printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
1316						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1317				if (PRINT_FIELD(BRSTACKINSNLEN))
1318					printed += fprintf(fp, "\tilen: %d", ilen);
1319				printed += fprintf(fp, "\n");
1320				if (ilen == 0)
1321					break;
1322				if (PRINT_FIELD(SRCCODE))
1323					print_srccode(thread, x.cpumode, ip);
1324				insn++;
1325			}
1326		}
1327		if (off != end - start)
1328			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1329	}
1330
1331	/*
1332	 * Hit the branch? In this case we are already done, and the target
1333	 * has not been executed yet.
1334	 */
1335	if (entries[0].from == sample->ip)
1336		goto out;
1337	if (entries[0].flags.abort)
1338		goto out;
1339
1340	/*
1341	 * Print final block up to sample
1342	 *
1343	 * Due to pipeline delays the LBRs might be missing a branch
1344	 * or two, which can result in very large or negative blocks
1345	 * between final branch and sample. When this happens just
1346	 * continue walking after the last TO until we hit a branch.
1347	 */
1348	start = entries[0].to;
1349	end = sample->ip;
1350	if (end < start) {
1351		/* Missing jump. Scan 128 bytes for the next branch */
1352		end = start + 128;
1353	}
1354	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1355	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1356	if (len <= 0) {
1357		/* Print at least last IP if basic block did not work */
1358		len = grab_bb(buffer, sample->ip, sample->ip,
1359			      machine, thread, &x.is64bit, &x.cpumode, false);
1360		if (len <= 0)
1361			goto out;
1362		ilen = 0;
1363		printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
1364			dump_insn(&x, sample->ip, buffer, len, &ilen));
1365		if (PRINT_FIELD(BRSTACKINSNLEN))
1366			printed += fprintf(fp, "\tilen: %d", ilen);
1367		printed += fprintf(fp, "\n");
1368		if (PRINT_FIELD(SRCCODE))
1369			print_srccode(thread, x.cpumode, sample->ip);
1370		goto out;
1371	}
1372	for (off = 0; off <= end - start; off += ilen) {
1373		ilen = 0;
1374		printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
1375				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1376		if (PRINT_FIELD(BRSTACKINSNLEN))
1377			printed += fprintf(fp, "\tilen: %d", ilen);
1378		printed += fprintf(fp, "\n");
1379		if (ilen == 0)
1380			break;
1381		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1382			/*
1383			 * Hit a missing branch. Just stop.
1384			 */
1385			printed += fprintf(fp, "\t... not reaching sample ...\n");
1386			break;
1387		}
1388		if (PRINT_FIELD(SRCCODE))
1389			print_srccode(thread, x.cpumode, start + off);
1390	}
1391out:
1392	return printed;
1393}
1394
1395static int perf_sample__fprintf_addr(struct perf_sample *sample,
1396				     struct thread *thread,
1397				     struct perf_event_attr *attr, FILE *fp)
1398{
1399	struct addr_location al;
1400	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1401
1402	addr_location__init(&al);
1403	if (!sample_addr_correlates_sym(attr))
1404		goto out;
1405
1406	thread__resolve(thread, &al, sample);
1407
1408	if (PRINT_FIELD(SYM)) {
1409		printed += fprintf(fp, " ");
1410		if (PRINT_FIELD(SYMOFFSET))
1411			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1412		else
1413			printed += symbol__fprintf_symname(al.sym, fp);
1414	}
1415
1416	if (PRINT_FIELD(DSO))
1417		printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
 
 
 
1418out:
1419	addr_location__exit(&al);
1420	return printed;
1421}
1422
1423static const char *resolve_branch_sym(struct perf_sample *sample,
1424				      struct evsel *evsel,
1425				      struct thread *thread,
1426				      struct addr_location *al,
1427				      struct addr_location *addr_al,
1428				      u64 *ip)
1429{
1430	struct perf_event_attr *attr = &evsel->core.attr;
1431	const char *name = NULL;
1432
1433	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1434		if (sample_addr_correlates_sym(attr)) {
1435			if (!addr_al->thread)
1436				thread__resolve(thread, addr_al, sample);
1437			if (addr_al->sym)
1438				name = addr_al->sym->name;
1439			else
1440				*ip = sample->addr;
1441		} else {
1442			*ip = sample->addr;
1443		}
1444	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1445		if (al->sym)
1446			name = al->sym->name;
1447		else
1448			*ip = sample->ip;
1449	}
1450	return name;
1451}
1452
1453static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1454					   struct evsel *evsel,
1455					   struct thread *thread,
1456					   struct addr_location *al,
1457					   struct addr_location *addr_al,
1458					   FILE *fp)
1459{
1460	struct perf_event_attr *attr = &evsel->core.attr;
1461	size_t depth = thread_stack__depth(thread, sample->cpu);
1462	const char *name = NULL;
1463	static int spacing;
1464	int len = 0;
1465	int dlen = 0;
1466	u64 ip = 0;
1467
1468	/*
1469	 * The 'return' has already been popped off the stack so the depth has
1470	 * to be adjusted to match the 'call'.
1471	 */
1472	if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1473		depth += 1;
1474
1475	name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1476
1477	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1478		dlen += fprintf(fp, "(");
1479		dlen += map__fprintf_dsoname(al->map, fp);
1480		dlen += fprintf(fp, ")\t");
1481	}
1482
1483	if (name)
1484		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1485	else if (ip)
1486		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1487
1488	if (len < 0)
1489		return len;
1490
1491	/*
1492	 * Try to keep the output length from changing frequently so that the
1493	 * output lines up more nicely.
1494	 */
1495	if (len > spacing || (len && len < spacing - 52))
1496		spacing = round_up(len + 4, 32);
1497
1498	if (len < spacing)
1499		len += fprintf(fp, "%*s", spacing - len, "");
1500
1501	return len + dlen;
1502}
1503
1504__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1505			    struct thread *thread __maybe_unused,
1506			    struct machine *machine __maybe_unused)
1507{
1508}
1509
1510void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1511		       struct machine *machine)
1512{
1513	if (sample->insn_len == 0 && native_arch)
1514		arch_fetch_insn(sample, thread, machine);
1515}
1516
1517static int perf_sample__fprintf_insn(struct perf_sample *sample,
1518				     struct perf_event_attr *attr,
1519				     struct thread *thread,
1520				     struct machine *machine, FILE *fp)
1521{
1522	int printed = 0;
1523
1524	script_fetch_insn(sample, thread, machine);
1525
1526	if (PRINT_FIELD(INSNLEN))
1527		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1528	if (PRINT_FIELD(INSN) && sample->insn_len) {
1529		printed += fprintf(fp, " insn: ");
1530		printed += sample__fprintf_insn_raw(sample, fp);
1531	}
1532	if (PRINT_FIELD(DISASM) && sample->insn_len) {
1533		printed += fprintf(fp, "\t\t");
1534		printed += sample__fprintf_insn_asm(sample, thread, machine, fp);
1535	}
1536	if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
1537		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1538
1539	return printed;
1540}
1541
1542static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1543				    struct perf_event_attr *attr, FILE *fp)
1544{
1545	unsigned int ipc;
1546
1547	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1548		return 0;
1549
1550	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1551
1552	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1553		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1554}
1555
1556static int perf_sample__fprintf_bts(struct perf_sample *sample,
1557				    struct evsel *evsel,
1558				    struct thread *thread,
1559				    struct addr_location *al,
1560				    struct addr_location *addr_al,
1561				    struct machine *machine, FILE *fp)
1562{
1563	struct perf_event_attr *attr = &evsel->core.attr;
1564	unsigned int type = output_type(attr->type);
1565	bool print_srcline_last = false;
1566	int printed = 0;
1567
1568	if (PRINT_FIELD(CALLINDENT))
1569		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1570
1571	/* print branch_from information */
1572	if (PRINT_FIELD(IP)) {
1573		unsigned int print_opts = output[type].print_ip_opts;
1574		struct callchain_cursor *cursor = NULL;
1575
1576		if (symbol_conf.use_callchain && sample->callchain) {
1577			cursor = get_tls_callchain_cursor();
1578			if (thread__resolve_callchain(al->thread, cursor, evsel,
1579						      sample, NULL, NULL,
1580						      scripting_max_stack))
1581				cursor = NULL;
1582		}
1583		if (cursor == NULL) {
1584			printed += fprintf(fp, " ");
1585			if (print_opts & EVSEL__PRINT_SRCLINE) {
1586				print_srcline_last = true;
1587				print_opts &= ~EVSEL__PRINT_SRCLINE;
1588			}
1589		} else
1590			printed += fprintf(fp, "\n");
1591
1592		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1593					       symbol_conf.bt_stop_list, fp);
1594	}
1595
1596	/* print branch_to information */
1597	if (PRINT_FIELD(ADDR) ||
1598	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1599	     !output[type].user_set)) {
1600		printed += fprintf(fp, " => ");
1601		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1602	}
1603
1604	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1605
1606	if (print_srcline_last)
1607		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1608
1609	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1610	printed += fprintf(fp, "\n");
1611	if (PRINT_FIELD(SRCCODE)) {
1612		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1613					       thread__srccode_state(thread));
1614		if (ret) {
1615			printed += ret;
1616			printed += printf("\n");
1617		}
1618	}
1619	return printed;
1620}
1621
1622static struct {
1623	u32 flags;
1624	const char *name;
1625} sample_flags[] = {
1626	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1627	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1628	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1629	{PERF_IP_FLAG_BRANCH, "jmp"},
1630	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1631	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1632	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1633	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1634	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1635	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1636	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1637	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1638	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1639	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1640	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1641	{0, NULL}
1642};
1643
1644static const char *sample_flags_to_name(u32 flags)
1645{
1646	int i;
1647
1648	for (i = 0; sample_flags[i].name ; i++) {
1649		if (sample_flags[i].flags == flags)
1650			return sample_flags[i].name;
1651	}
1652
1653	return NULL;
1654}
1655
1656int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1657{
1658	u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1659		 PERF_IP_FLAG_INTR_TOGGLE;
1660	const char *chars = PERF_IP_FLAG_CHARS;
1661	const size_t n = strlen(PERF_IP_FLAG_CHARS);
1662	const char *name = NULL;
1663	size_t i, pos = 0;
1664	char xs[16] = {0};
1665
1666	if (flags & xf)
1667		snprintf(xs, sizeof(xs), "(%s%s%s)",
1668			 flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1669			 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1670			 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1671
1672	name = sample_flags_to_name(flags & ~xf);
1673	if (name)
1674		return snprintf(str, sz, "%-15s%6s", name, xs);
1675
1676	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1677		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1678		if (name)
1679			return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1680	}
1681
1682	if (flags & PERF_IP_FLAG_TRACE_END) {
1683		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1684		if (name)
1685			return snprintf(str, sz, "tr end  %-7s%6s", name, xs);
1686	}
1687
1688	for (i = 0; i < n; i++, flags >>= 1) {
1689		if ((flags & 1) && pos < sz)
1690			str[pos++] = chars[i];
1691	}
1692	for (; i < 32; i++, flags >>= 1) {
1693		if ((flags & 1) && pos < sz)
1694			str[pos++] = '?';
1695	}
1696	if (pos < sz)
1697		str[pos] = 0;
1698
1699	return pos;
1700}
1701
1702static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1703{
1704	char str[SAMPLE_FLAGS_BUF_SIZE];
1705
1706	perf_sample__sprintf_flags(flags, str, sizeof(str));
1707	return fprintf(fp, "  %-21s ", str);
1708}
1709
1710struct printer_data {
1711	int line_no;
1712	bool hit_nul;
1713	bool is_printable;
1714};
1715
1716static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1717				      unsigned int val,
1718				      void *extra, FILE *fp)
1719{
1720	unsigned char ch = (unsigned char)val;
1721	struct printer_data *printer_data = extra;
1722	int printed = 0;
1723
1724	switch (op) {
1725	case BINARY_PRINT_DATA_BEGIN:
1726		printed += fprintf(fp, "\n");
1727		break;
1728	case BINARY_PRINT_LINE_BEGIN:
1729		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1730						        "           ");
1731		break;
1732	case BINARY_PRINT_ADDR:
1733		printed += fprintf(fp, " %04x:", val);
1734		break;
1735	case BINARY_PRINT_NUM_DATA:
1736		printed += fprintf(fp, " %02x", val);
1737		break;
1738	case BINARY_PRINT_NUM_PAD:
1739		printed += fprintf(fp, "   ");
1740		break;
1741	case BINARY_PRINT_SEP:
1742		printed += fprintf(fp, "  ");
1743		break;
1744	case BINARY_PRINT_CHAR_DATA:
1745		if (printer_data->hit_nul && ch)
1746			printer_data->is_printable = false;
1747
1748		if (!isprint(ch)) {
1749			printed += fprintf(fp, "%c", '.');
1750
1751			if (!printer_data->is_printable)
1752				break;
1753
1754			if (ch == '\0')
1755				printer_data->hit_nul = true;
1756			else
1757				printer_data->is_printable = false;
1758		} else {
1759			printed += fprintf(fp, "%c", ch);
1760		}
1761		break;
1762	case BINARY_PRINT_CHAR_PAD:
1763		printed += fprintf(fp, " ");
1764		break;
1765	case BINARY_PRINT_LINE_END:
1766		printed += fprintf(fp, "\n");
1767		printer_data->line_no++;
1768		break;
1769	case BINARY_PRINT_DATA_END:
1770	default:
1771		break;
1772	}
1773
1774	return printed;
1775}
1776
1777static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1778{
1779	unsigned int nr_bytes = sample->raw_size;
1780	struct printer_data printer_data = {0, false, true};
1781	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1782				      sample__fprintf_bpf_output, &printer_data, fp);
1783
1784	if (printer_data.is_printable && printer_data.hit_nul)
1785		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1786
1787	return printed;
1788}
1789
1790static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1791{
1792	if (len > 0 && len < spacing)
1793		return fprintf(fp, "%*s", spacing - len, "");
1794
1795	return 0;
1796}
1797
1798static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1799{
1800	return perf_sample__fprintf_spacing(len, 34, fp);
1801}
1802
1803/* If a value contains only printable ASCII characters padded with NULLs */
1804static bool ptw_is_prt(u64 val)
1805{
1806	char c;
1807	u32 i;
1808
1809	for (i = 0; i < sizeof(val); i++) {
1810		c = ((char *)&val)[i];
1811		if (!c)
1812			break;
1813		if (!isprint(c) || !isascii(c))
1814			return false;
1815	}
1816	for (; i < sizeof(val); i++) {
1817		c = ((char *)&val)[i];
1818		if (c)
1819			return false;
1820	}
1821	return true;
1822}
1823
1824static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1825{
1826	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1827	char str[sizeof(u64) + 1] = "";
1828	int len;
1829	u64 val;
1830
1831	if (perf_sample__bad_synth_size(sample, *data))
1832		return 0;
1833
1834	val = le64_to_cpu(data->payload);
1835	if (ptw_is_prt(val)) {
1836		memcpy(str, &val, sizeof(val));
1837		str[sizeof(val)] = 0;
1838	}
1839	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1840		      data->ip, val, str);
1841	return len + perf_sample__fprintf_pt_spacing(len, fp);
1842}
1843
1844static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1845{
1846	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1847	int len;
1848
1849	if (perf_sample__bad_synth_size(sample, *data))
1850		return 0;
1851
1852	len = fprintf(fp, " hints: %#x extensions: %#x ",
1853		      data->hints, data->extensions);
1854	return len + perf_sample__fprintf_pt_spacing(len, fp);
1855}
1856
1857static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1858{
1859	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1860	int len;
1861
1862	if (perf_sample__bad_synth_size(sample, *data))
1863		return 0;
1864
1865	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1866		      data->hw, data->cstate, data->subcstate);
1867	return len + perf_sample__fprintf_pt_spacing(len, fp);
1868}
1869
1870static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1871{
1872	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1873	int len;
1874
1875	if (perf_sample__bad_synth_size(sample, *data))
1876		return 0;
1877
1878	len = fprintf(fp, " IP: %u ", data->ip);
1879	return len + perf_sample__fprintf_pt_spacing(len, fp);
1880}
1881
1882static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1883{
1884	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1885	int len;
1886
1887	if (perf_sample__bad_synth_size(sample, *data))
1888		return 0;
1889
1890	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1891		     data->deepest_cstate, data->last_cstate,
1892		     data->wake_reason);
1893	return len + perf_sample__fprintf_pt_spacing(len, fp);
1894}
1895
1896static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1897{
1898	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1899	unsigned int percent, freq;
1900	int len;
1901
1902	if (perf_sample__bad_synth_size(sample, *data))
1903		return 0;
1904
1905	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1906	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1907	if (data->max_nonturbo) {
1908		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1909		len += fprintf(fp, "(%3u%%) ", percent);
1910	}
1911	return len + perf_sample__fprintf_pt_spacing(len, fp);
1912}
1913
1914static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1915{
1916	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1917	int len;
1918
1919	if (perf_sample__bad_synth_size(sample, *data))
1920		return 0;
1921
1922	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1923	return len + perf_sample__fprintf_pt_spacing(len, fp);
1924}
1925
1926/* Intel PT Event Trace */
1927static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1928{
1929	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1930	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1931			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1932			       "SHUTDOWN", NULL, "UINTR", "UIRET"};
1933	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1934	const char *s;
1935	int len, i;
1936
1937	if (perf_sample__bad_synth_size(sample, *data))
1938		return 0;
1939
1940	s = cfe[data->type];
1941	if (s) {
1942		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1943			      s, data->ip, data->vector);
1944	} else {
1945		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1946			      data->type, data->ip, data->vector);
1947	}
1948	for (i = 0; i < data->evd_cnt; i++) {
1949		unsigned int et = data->evd[i].evd_type & 0x3f;
1950
1951		s = evd[et];
1952		if (s) {
1953			len += fprintf(fp, " %s: %#" PRIx64,
1954				       s, data->evd[i].payload);
1955		} else {
1956			len += fprintf(fp, " EVD_%u: %#" PRIx64,
1957				       et, data->evd[i].payload);
1958		}
1959	}
1960	return len + perf_sample__fprintf_pt_spacing(len, fp);
1961}
1962
1963static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1964{
1965	struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1966	int len;
1967
1968	if (perf_sample__bad_synth_size(sample, *data))
1969		return 0;
1970
1971	len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
1972		      data->via_branch ? "via" : "non");
1973	return len + perf_sample__fprintf_pt_spacing(len, fp);
1974}
1975
1976static int perf_sample__fprintf_synth(struct perf_sample *sample,
1977				      struct evsel *evsel, FILE *fp)
1978{
1979	switch (evsel->core.attr.config) {
1980	case PERF_SYNTH_INTEL_PTWRITE:
1981		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1982	case PERF_SYNTH_INTEL_MWAIT:
1983		return perf_sample__fprintf_synth_mwait(sample, fp);
1984	case PERF_SYNTH_INTEL_PWRE:
1985		return perf_sample__fprintf_synth_pwre(sample, fp);
1986	case PERF_SYNTH_INTEL_EXSTOP:
1987		return perf_sample__fprintf_synth_exstop(sample, fp);
1988	case PERF_SYNTH_INTEL_PWRX:
1989		return perf_sample__fprintf_synth_pwrx(sample, fp);
1990	case PERF_SYNTH_INTEL_CBR:
1991		return perf_sample__fprintf_synth_cbr(sample, fp);
1992	case PERF_SYNTH_INTEL_PSB:
1993		return perf_sample__fprintf_synth_psb(sample, fp);
1994	case PERF_SYNTH_INTEL_EVT:
1995		return perf_sample__fprintf_synth_evt(sample, fp);
1996	case PERF_SYNTH_INTEL_IFLAG_CHG:
1997		return perf_sample__fprintf_synth_iflag_chg(sample, fp);
1998	default:
1999		break;
2000	}
2001
2002	return 0;
2003}
2004
2005static int evlist__max_name_len(struct evlist *evlist)
2006{
2007	struct evsel *evsel;
2008	int max = 0;
2009
2010	evlist__for_each_entry(evlist, evsel) {
2011		int len = strlen(evsel__name(evsel));
2012
2013		max = MAX(len, max);
2014	}
2015
2016	return max;
2017}
2018
2019static int data_src__fprintf(u64 data_src, FILE *fp)
2020{
2021	struct mem_info mi = { .data_src.val = data_src };
2022	char decode[100];
2023	char out[100];
2024	static int maxlen;
2025	int len;
2026
2027	perf_script__meminfo_scnprintf(decode, 100, &mi);
2028
2029	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2030	if (maxlen < len)
2031		maxlen = len;
2032
2033	return fprintf(fp, "%-*s", maxlen, out);
2034}
2035
2036struct metric_ctx {
2037	struct perf_sample	*sample;
2038	struct thread		*thread;
2039	struct evsel	*evsel;
2040	FILE 			*fp;
2041};
2042
2043static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2044				void *ctx, const char *color,
2045			        const char *fmt,
2046			        const char *unit, double val)
2047{
2048	struct metric_ctx *mctx = ctx;
2049
2050	if (!fmt)
2051		return;
2052	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2053				   PERF_RECORD_SAMPLE, mctx->fp);
2054	fputs("\tmetric: ", mctx->fp);
2055	if (color)
2056		color_fprintf(mctx->fp, color, fmt, val);
2057	else
2058		printf(fmt, val);
2059	fprintf(mctx->fp, " %s\n", unit);
2060}
2061
2062static void script_new_line(struct perf_stat_config *config __maybe_unused,
2063			    void *ctx)
2064{
2065	struct metric_ctx *mctx = ctx;
2066
2067	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2068				   PERF_RECORD_SAMPLE, mctx->fp);
2069	fputs("\tmetric: ", mctx->fp);
2070}
2071
2072static void perf_sample__fprint_metric(struct perf_script *script,
2073				       struct thread *thread,
2074				       struct evsel *evsel,
2075				       struct perf_sample *sample,
2076				       FILE *fp)
2077{
2078	struct evsel *leader = evsel__leader(evsel);
2079	struct perf_stat_output_ctx ctx = {
2080		.print_metric = script_print_metric,
2081		.new_line = script_new_line,
2082		.ctx = &(struct metric_ctx) {
2083				.sample = sample,
2084				.thread = thread,
2085				.evsel  = evsel,
2086				.fp     = fp,
2087			 },
2088		.force_header = false,
2089	};
2090	struct evsel *ev2;
2091	u64 val;
2092
2093	if (!evsel->stats)
2094		evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2095	if (evsel_script(leader)->gnum++ == 0)
2096		perf_stat__reset_shadow_stats();
2097	val = sample->period * evsel->scale;
 
 
 
 
2098	evsel_script(evsel)->val = val;
2099	if (evsel_script(leader)->gnum == leader->core.nr_members) {
2100		for_each_group_member (ev2, leader) {
2101			perf_stat__print_shadow_stats(&stat_config, ev2,
2102						      evsel_script(ev2)->val,
2103						      sample->cpu,
2104						      &ctx,
2105						      NULL);
 
2106		}
2107		evsel_script(leader)->gnum = 0;
2108	}
2109}
2110
2111static bool show_event(struct perf_sample *sample,
2112		       struct evsel *evsel,
2113		       struct thread *thread,
2114		       struct addr_location *al,
2115		       struct addr_location *addr_al)
2116{
2117	int depth = thread_stack__depth(thread, sample->cpu);
2118
2119	if (!symbol_conf.graph_function)
2120		return true;
2121
2122	if (thread__filter(thread)) {
2123		if (depth <= thread__filter_entry_depth(thread)) {
2124			thread__set_filter(thread, false);
2125			return false;
2126		}
2127		return true;
2128	} else {
2129		const char *s = symbol_conf.graph_function;
2130		u64 ip;
2131		const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2132				&ip);
2133		unsigned nlen;
2134
2135		if (!name)
2136			return false;
2137		nlen = strlen(name);
2138		while (*s) {
2139			unsigned len = strcspn(s, ",");
2140			if (nlen == len && !strncmp(name, s, len)) {
2141				thread__set_filter(thread, true);
2142				thread__set_filter_entry_depth(thread, depth);
2143				return true;
2144			}
2145			s += len;
2146			if (*s == ',')
2147				s++;
2148		}
2149		return false;
2150	}
2151}
2152
2153static void process_event(struct perf_script *script,
2154			  struct perf_sample *sample, struct evsel *evsel,
2155			  struct addr_location *al,
2156			  struct addr_location *addr_al,
2157			  struct machine *machine)
2158{
2159	struct thread *thread = al->thread;
2160	struct perf_event_attr *attr = &evsel->core.attr;
2161	unsigned int type = output_type(attr->type);
2162	struct evsel_script *es = evsel->priv;
2163	FILE *fp = es->fp;
2164	char str[PAGE_SIZE_NAME_LEN];
2165	const char *arch = perf_env__arch(machine->env);
2166
2167	if (output[type].fields == 0)
2168		return;
2169
2170	++es->samples;
2171
2172	perf_sample__fprintf_start(script, sample, thread, evsel,
2173				   PERF_RECORD_SAMPLE, fp);
2174
2175	if (PRINT_FIELD(PERIOD))
2176		fprintf(fp, "%10" PRIu64 " ", sample->period);
2177
2178	if (PRINT_FIELD(EVNAME)) {
2179		const char *evname = evsel__name(evsel);
2180
2181		if (!script->name_width)
2182			script->name_width = evlist__max_name_len(script->session->evlist);
2183
2184		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2185	}
2186
2187	if (print_flags)
2188		perf_sample__fprintf_flags(sample->flags, fp);
2189
2190	if (is_bts_event(attr)) {
2191		perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2192		return;
2193	}
2194#ifdef HAVE_LIBTRACEEVENT
2195	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2196		event_format__fprintf(evsel->tp_format, sample->cpu,
2197				      sample->raw_data, sample->raw_size, fp);
2198	}
2199#endif
2200	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2201		perf_sample__fprintf_synth(sample, evsel, fp);
2202
2203	if (PRINT_FIELD(ADDR))
2204		perf_sample__fprintf_addr(sample, thread, attr, fp);
2205
2206	if (PRINT_FIELD(DATA_SRC))
2207		data_src__fprintf(sample->data_src, fp);
2208
2209	if (PRINT_FIELD(WEIGHT))
2210		fprintf(fp, "%16" PRIu64, sample->weight);
2211
2212	if (PRINT_FIELD(INS_LAT))
2213		fprintf(fp, "%16" PRIu16, sample->ins_lat);
2214
2215	if (PRINT_FIELD(RETIRE_LAT))
2216		fprintf(fp, "%16" PRIu16, sample->retire_lat);
2217
2218	if (PRINT_FIELD(CGROUP)) {
2219		const char *cgrp_name;
2220		struct cgroup *cgrp = cgroup__find(machine->env,
2221						   sample->cgroup);
2222		if (cgrp != NULL)
2223			cgrp_name = cgrp->name;
2224		else
2225			cgrp_name = "unknown";
2226		fprintf(fp, " %s", cgrp_name);
2227	}
2228
2229	if (PRINT_FIELD(IP)) {
2230		struct callchain_cursor *cursor = NULL;
2231
2232		if (script->stitch_lbr)
2233			thread__set_lbr_stitch_enable(al->thread, true);
 
 
 
 
 
2234
2235		if (symbol_conf.use_callchain && sample->callchain) {
2236			cursor = get_tls_callchain_cursor();
2237			if (thread__resolve_callchain(al->thread, cursor, evsel,
2238						      sample, NULL, NULL,
2239						      scripting_max_stack))
2240				cursor = NULL;
2241		}
2242		fputc(cursor ? '\n' : ' ', fp);
2243		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2244				    symbol_conf.bt_stop_list, fp);
2245	}
2246
2247	if (PRINT_FIELD(IREGS))
2248		perf_sample__fprintf_iregs(sample, attr, arch, fp);
2249
2250	if (PRINT_FIELD(UREGS))
2251		perf_sample__fprintf_uregs(sample, attr, arch, fp);
2252
2253	if (PRINT_FIELD(BRSTACK))
2254		perf_sample__fprintf_brstack(sample, thread, attr, fp);
2255	else if (PRINT_FIELD(BRSTACKSYM))
2256		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2257	else if (PRINT_FIELD(BRSTACKOFF))
2258		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2259
2260	if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2261		perf_sample__fprintf_bpf_output(sample, fp);
2262	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2263
2264	if (PRINT_FIELD(PHYS_ADDR))
2265		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2266
2267	if (PRINT_FIELD(DATA_PAGE_SIZE))
2268		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2269
2270	if (PRINT_FIELD(CODE_PAGE_SIZE))
2271		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2272
2273	perf_sample__fprintf_ipc(sample, attr, fp);
2274
2275	fprintf(fp, "\n");
2276
2277	if (PRINT_FIELD(SRCCODE)) {
2278		if (map__fprintf_srccode(al->map, al->addr, stdout,
2279					 thread__srccode_state(thread)))
2280			printf("\n");
2281	}
2282
2283	if (PRINT_FIELD(METRIC))
2284		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2285
2286	if (verbose > 0)
2287		fflush(fp);
2288}
2289
2290static struct scripting_ops	*scripting_ops;
2291
2292static void __process_stat(struct evsel *counter, u64 tstamp)
2293{
2294	int nthreads = perf_thread_map__nr(counter->core.threads);
2295	int idx, thread;
2296	struct perf_cpu cpu;
2297	static int header_printed;
2298
2299	if (!header_printed) {
2300		printf("%3s %8s %15s %15s %15s %15s %s\n",
2301		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2302		header_printed = 1;
2303	}
2304
2305	for (thread = 0; thread < nthreads; thread++) {
2306		perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2307			struct perf_counts_values *counts;
2308
2309			counts = perf_counts(counter->counts, idx, thread);
2310
2311			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2312				cpu.cpu,
2313				perf_thread_map__pid(counter->core.threads, thread),
2314				counts->val,
2315				counts->ena,
2316				counts->run,
2317				tstamp,
2318				evsel__name(counter));
2319		}
2320	}
2321}
2322
2323static void process_stat(struct evsel *counter, u64 tstamp)
2324{
2325	if (scripting_ops && scripting_ops->process_stat)
2326		scripting_ops->process_stat(&stat_config, counter, tstamp);
2327	else
2328		__process_stat(counter, tstamp);
2329}
2330
2331static void process_stat_interval(u64 tstamp)
2332{
2333	if (scripting_ops && scripting_ops->process_stat_interval)
2334		scripting_ops->process_stat_interval(tstamp);
2335}
2336
2337static void setup_scripting(void)
2338{
2339#ifdef HAVE_LIBTRACEEVENT
2340	setup_perl_scripting();
2341#endif
2342	setup_python_scripting();
 
2343}
2344
2345static int flush_scripting(void)
2346{
2347	return scripting_ops ? scripting_ops->flush_script() : 0;
2348}
2349
2350static int cleanup_scripting(void)
2351{
2352	pr_debug("\nperf script stopped\n");
2353
2354	return scripting_ops ? scripting_ops->stop_script() : 0;
2355}
2356
2357static bool filter_cpu(struct perf_sample *sample)
2358{
2359	if (cpu_list && sample->cpu != (u32)-1)
2360		return !test_bit(sample->cpu, cpu_bitmap);
2361	return false;
2362}
2363
2364static int process_sample_event(struct perf_tool *tool,
2365				union perf_event *event,
2366				struct perf_sample *sample,
2367				struct evsel *evsel,
2368				struct machine *machine)
2369{
2370	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2371	struct addr_location al;
2372	struct addr_location addr_al;
2373	int ret = 0;
2374
2375	/* Set thread to NULL to indicate addr_al and al are not initialized */
2376	addr_location__init(&al);
2377	addr_location__init(&addr_al);
2378
2379	ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2380	if (ret) {
2381		if (ret > 0)
2382			ret = 0;
2383		goto out_put;
2384	}
2385
2386	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2387					  sample->time)) {
2388		goto out_put;
2389	}
2390
2391	if (debug_mode) {
2392		if (sample->time < last_timestamp) {
2393			pr_err("Samples misordered, previous: %" PRIu64
2394				" this: %" PRIu64 "\n", last_timestamp,
2395				sample->time);
2396			nr_unordered++;
2397		}
2398		last_timestamp = sample->time;
2399		goto out_put;
2400	}
2401
2402	if (filter_cpu(sample))
2403		goto out_put;
2404
2405	if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2406		pr_err("problem processing %d event, skipping it.\n",
2407		       event->header.type);
2408		ret = -1;
2409		goto out_put;
2410	}
2411
2412	if (al.filtered)
2413		goto out_put;
2414
2415	if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2416		goto out_put;
2417
2418	if (evswitch__discard(&scr->evswitch, evsel))
2419		goto out_put;
2420
2421	ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2422	if (ret) {
2423		if (ret > 0)
2424			ret = 0;
2425		goto out_put;
2426	}
2427
2428	if (scripting_ops) {
2429		struct addr_location *addr_al_ptr = NULL;
2430
2431		if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2432		    sample_addr_correlates_sym(&evsel->core.attr)) {
2433			if (!addr_al.thread)
2434				thread__resolve(al.thread, &addr_al, sample);
2435			addr_al_ptr = &addr_al;
2436		}
2437		scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2438	} else {
2439		process_event(scr, sample, evsel, &al, &addr_al, machine);
2440	}
2441
2442out_put:
2443	addr_location__exit(&addr_al);
2444	addr_location__exit(&al);
2445	return ret;
2446}
2447
2448// Used when scr->per_event_dump is not set
2449static struct evsel_script es_stdout;
2450
2451static int process_attr(struct perf_tool *tool, union perf_event *event,
2452			struct evlist **pevlist)
2453{
2454	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2455	struct evlist *evlist;
2456	struct evsel *evsel, *pos;
2457	u64 sample_type;
2458	int err;
 
2459
2460	err = perf_event__process_attr(tool, event, pevlist);
2461	if (err)
2462		return err;
2463
2464	evlist = *pevlist;
2465	evsel = evlist__last(*pevlist);
2466
2467	if (!evsel->priv) {
2468		if (scr->per_event_dump) { 
2469			evsel->priv = evsel_script__new(evsel, scr->session->data);
2470			if (!evsel->priv)
 
 
2471				return -ENOMEM;
2472		} else { // Replicate what is done in perf_script__setup_per_event_dump()
2473			es_stdout.fp = stdout;
2474			evsel->priv = &es_stdout;
2475		}
2476	}
2477
2478	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2479	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2480		return 0;
2481
2482	evlist__for_each_entry(evlist, pos) {
2483		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2484			return 0;
2485	}
2486
2487	if (evsel->core.attr.sample_type) {
2488		err = evsel__check_attr(evsel, scr->session);
2489		if (err)
2490			return err;
2491	}
2492
2493	/*
2494	 * Check if we need to enable callchains based
2495	 * on events sample_type.
2496	 */
2497	sample_type = evlist__combined_sample_type(evlist);
2498	callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2499
2500	/* Enable fields for callchain entries */
2501	if (symbol_conf.use_callchain &&
2502	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2503	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2504	     (sample_type & PERF_SAMPLE_REGS_USER &&
2505	      sample_type & PERF_SAMPLE_STACK_USER))) {
2506		int type = output_type(evsel->core.attr.type);
2507
2508		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2509			output[type].fields |= PERF_OUTPUT_IP;
2510		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2511			output[type].fields |= PERF_OUTPUT_SYM;
2512	}
2513	set_print_ip_opts(&evsel->core.attr);
2514	return 0;
2515}
2516
2517static int print_event_with_time(struct perf_tool *tool,
2518				 union perf_event *event,
2519				 struct perf_sample *sample,
2520				 struct machine *machine,
2521				 pid_t pid, pid_t tid, u64 timestamp)
2522{
2523	struct perf_script *script = container_of(tool, struct perf_script, tool);
2524	struct perf_session *session = script->session;
2525	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2526	struct thread *thread = NULL;
2527
2528	if (evsel && !evsel->core.attr.sample_id_all) {
2529		sample->cpu = 0;
2530		sample->time = timestamp;
2531		sample->pid = pid;
2532		sample->tid = tid;
2533	}
2534
2535	if (filter_cpu(sample))
2536		return 0;
2537
2538	if (tid != -1)
2539		thread = machine__findnew_thread(machine, pid, tid);
2540
2541	if (evsel) {
2542		perf_sample__fprintf_start(script, sample, thread, evsel,
2543					   event->header.type, stdout);
2544	}
2545
2546	perf_event__fprintf(event, machine, stdout);
2547
2548	thread__put(thread);
2549
2550	return 0;
2551}
2552
2553static int print_event(struct perf_tool *tool, union perf_event *event,
2554		       struct perf_sample *sample, struct machine *machine,
2555		       pid_t pid, pid_t tid)
2556{
2557	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2558}
2559
2560static int process_comm_event(struct perf_tool *tool,
2561			      union perf_event *event,
2562			      struct perf_sample *sample,
2563			      struct machine *machine)
2564{
2565	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2566		return -1;
2567
2568	return print_event(tool, event, sample, machine, event->comm.pid,
2569			   event->comm.tid);
2570}
2571
2572static int process_namespaces_event(struct perf_tool *tool,
2573				    union perf_event *event,
2574				    struct perf_sample *sample,
2575				    struct machine *machine)
2576{
2577	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2578		return -1;
2579
2580	return print_event(tool, event, sample, machine, event->namespaces.pid,
2581			   event->namespaces.tid);
2582}
2583
2584static int process_cgroup_event(struct perf_tool *tool,
2585				union perf_event *event,
2586				struct perf_sample *sample,
2587				struct machine *machine)
2588{
2589	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2590		return -1;
2591
2592	return print_event(tool, event, sample, machine, sample->pid,
2593			    sample->tid);
2594}
2595
2596static int process_fork_event(struct perf_tool *tool,
2597			      union perf_event *event,
2598			      struct perf_sample *sample,
2599			      struct machine *machine)
2600{
2601	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2602		return -1;
2603
2604	return print_event_with_time(tool, event, sample, machine,
2605				     event->fork.pid, event->fork.tid,
2606				     event->fork.time);
2607}
2608static int process_exit_event(struct perf_tool *tool,
2609			      union perf_event *event,
2610			      struct perf_sample *sample,
2611			      struct machine *machine)
2612{
2613	/* Print before 'exit' deletes anything */
2614	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2615				  event->fork.tid, event->fork.time))
2616		return -1;
2617
2618	return perf_event__process_exit(tool, event, sample, machine);
2619}
2620
2621static int process_mmap_event(struct perf_tool *tool,
2622			      union perf_event *event,
2623			      struct perf_sample *sample,
2624			      struct machine *machine)
2625{
2626	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2627		return -1;
2628
2629	return print_event(tool, event, sample, machine, event->mmap.pid,
2630			   event->mmap.tid);
2631}
2632
2633static int process_mmap2_event(struct perf_tool *tool,
2634			      union perf_event *event,
2635			      struct perf_sample *sample,
2636			      struct machine *machine)
2637{
2638	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2639		return -1;
2640
2641	return print_event(tool, event, sample, machine, event->mmap2.pid,
2642			   event->mmap2.tid);
2643}
2644
2645static int process_switch_event(struct perf_tool *tool,
2646				union perf_event *event,
2647				struct perf_sample *sample,
2648				struct machine *machine)
2649{
2650	struct perf_script *script = container_of(tool, struct perf_script, tool);
2651
2652	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2653		return -1;
2654
2655	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2656		scripting_ops->process_switch(event, sample, machine);
2657
2658	if (!script->show_switch_events)
2659		return 0;
2660
2661	return print_event(tool, event, sample, machine, sample->pid,
2662			   sample->tid);
2663}
2664
2665static int process_auxtrace_error(struct perf_session *session,
2666				  union perf_event *event)
2667{
2668	if (scripting_ops && scripting_ops->process_auxtrace_error) {
2669		scripting_ops->process_auxtrace_error(session, event);
2670		return 0;
2671	}
2672
2673	return perf_event__process_auxtrace_error(session, event);
2674}
2675
2676static int
2677process_lost_event(struct perf_tool *tool,
2678		   union perf_event *event,
2679		   struct perf_sample *sample,
2680		   struct machine *machine)
2681{
2682	return print_event(tool, event, sample, machine, sample->pid,
2683			   sample->tid);
2684}
2685
2686static int
2687process_throttle_event(struct perf_tool *tool __maybe_unused,
2688		       union perf_event *event,
2689		       struct perf_sample *sample,
2690		       struct machine *machine)
2691{
2692	if (scripting_ops && scripting_ops->process_throttle)
2693		scripting_ops->process_throttle(event, sample, machine);
2694	return 0;
2695}
2696
2697static int
2698process_finished_round_event(struct perf_tool *tool __maybe_unused,
2699			     union perf_event *event,
2700			     struct ordered_events *oe __maybe_unused)
2701
2702{
2703	perf_event__fprintf(event, NULL, stdout);
2704	return 0;
2705}
2706
2707static int
2708process_bpf_events(struct perf_tool *tool __maybe_unused,
2709		   union perf_event *event,
2710		   struct perf_sample *sample,
2711		   struct machine *machine)
2712{
2713	if (machine__process_ksymbol(machine, event, sample) < 0)
2714		return -1;
2715
2716	return print_event(tool, event, sample, machine, sample->pid,
2717			   sample->tid);
2718}
2719
2720static int process_text_poke_events(struct perf_tool *tool,
2721				    union perf_event *event,
2722				    struct perf_sample *sample,
2723				    struct machine *machine)
2724{
2725	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2726		return -1;
2727
2728	return print_event(tool, event, sample, machine, sample->pid,
2729			   sample->tid);
2730}
2731
2732static void sig_handler(int sig __maybe_unused)
2733{
2734	session_done = 1;
2735}
2736
2737static void perf_script__fclose_per_event_dump(struct perf_script *script)
2738{
2739	struct evlist *evlist = script->session->evlist;
2740	struct evsel *evsel;
2741
2742	evlist__for_each_entry(evlist, evsel) {
2743		if (!evsel->priv)
2744			break;
2745		evsel_script__delete(evsel->priv);
2746		evsel->priv = NULL;
2747	}
2748}
2749
2750static int perf_script__fopen_per_event_dump(struct perf_script *script)
2751{
2752	struct evsel *evsel;
2753
2754	evlist__for_each_entry(script->session->evlist, evsel) {
2755		/*
2756		 * Already setup? I.e. we may be called twice in cases like
2757		 * Intel PT, one for the intel_pt// and dummy events, then
2758		 * for the evsels synthesized from the auxtrace info.
2759		 *
2760		 * Ses perf_script__process_auxtrace_info.
2761		 */
2762		if (evsel->priv != NULL)
2763			continue;
2764
2765		evsel->priv = evsel_script__new(evsel, script->session->data);
2766		if (evsel->priv == NULL)
2767			goto out_err_fclose;
2768	}
2769
2770	return 0;
2771
2772out_err_fclose:
2773	perf_script__fclose_per_event_dump(script);
2774	return -1;
2775}
2776
2777static int perf_script__setup_per_event_dump(struct perf_script *script)
2778{
2779	struct evsel *evsel;
 
2780
2781	if (script->per_event_dump)
2782		return perf_script__fopen_per_event_dump(script);
2783
2784	es_stdout.fp = stdout;
2785
2786	evlist__for_each_entry(script->session->evlist, evsel)
2787		evsel->priv = &es_stdout;
2788
2789	return 0;
2790}
2791
2792static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2793{
2794	struct evsel *evsel;
2795
2796	evlist__for_each_entry(script->session->evlist, evsel) {
2797		struct evsel_script *es = evsel->priv;
2798
2799		evsel_script__fprintf(es, stdout);
2800		evsel_script__delete(es);
2801		evsel->priv = NULL;
2802	}
2803}
2804
2805static void perf_script__exit(struct perf_script *script)
2806{
2807	perf_thread_map__put(script->threads);
2808	perf_cpu_map__put(script->cpus);
2809}
2810
2811static int __cmd_script(struct perf_script *script)
2812{
2813	int ret;
2814
2815	signal(SIGINT, sig_handler);
2816
 
 
2817	/* override event processing functions */
2818	if (script->show_task_events) {
2819		script->tool.comm = process_comm_event;
2820		script->tool.fork = process_fork_event;
2821		script->tool.exit = process_exit_event;
2822	}
2823	if (script->show_mmap_events) {
2824		script->tool.mmap = process_mmap_event;
2825		script->tool.mmap2 = process_mmap2_event;
2826	}
2827	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2828		script->tool.context_switch = process_switch_event;
2829	if (scripting_ops && scripting_ops->process_auxtrace_error)
2830		script->tool.auxtrace_error = process_auxtrace_error;
2831	if (script->show_namespace_events)
2832		script->tool.namespaces = process_namespaces_event;
2833	if (script->show_cgroup_events)
2834		script->tool.cgroup = process_cgroup_event;
2835	if (script->show_lost_events)
2836		script->tool.lost = process_lost_event;
2837	if (script->show_round_events) {
2838		script->tool.ordered_events = false;
2839		script->tool.finished_round = process_finished_round_event;
2840	}
2841	if (script->show_bpf_events) {
2842		script->tool.ksymbol = process_bpf_events;
2843		script->tool.bpf     = process_bpf_events;
2844	}
2845	if (script->show_text_poke_events) {
2846		script->tool.ksymbol   = process_bpf_events;
2847		script->tool.text_poke = process_text_poke_events;
2848	}
2849
2850	if (perf_script__setup_per_event_dump(script)) {
2851		pr_err("Couldn't create the per event dump files\n");
2852		return -1;
2853	}
2854
2855	ret = perf_session__process_events(script->session);
2856
2857	if (script->per_event_dump)
2858		perf_script__exit_per_event_dump_stats(script);
2859
2860	if (debug_mode)
2861		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2862
2863	return ret;
2864}
2865
2866struct script_spec {
2867	struct list_head	node;
2868	struct scripting_ops	*ops;
2869	char			spec[];
2870};
2871
2872static LIST_HEAD(script_specs);
2873
2874static struct script_spec *script_spec__new(const char *spec,
2875					    struct scripting_ops *ops)
2876{
2877	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2878
2879	if (s != NULL) {
2880		strcpy(s->spec, spec);
2881		s->ops = ops;
2882	}
2883
2884	return s;
2885}
2886
2887static void script_spec__add(struct script_spec *s)
2888{
2889	list_add_tail(&s->node, &script_specs);
2890}
2891
2892static struct script_spec *script_spec__find(const char *spec)
2893{
2894	struct script_spec *s;
2895
2896	list_for_each_entry(s, &script_specs, node)
2897		if (strcasecmp(s->spec, spec) == 0)
2898			return s;
2899	return NULL;
2900}
2901
2902int script_spec_register(const char *spec, struct scripting_ops *ops)
2903{
2904	struct script_spec *s;
2905
2906	s = script_spec__find(spec);
2907	if (s)
2908		return -1;
2909
2910	s = script_spec__new(spec, ops);
2911	if (!s)
2912		return -1;
2913	else
2914		script_spec__add(s);
2915
2916	return 0;
2917}
2918
2919static struct scripting_ops *script_spec__lookup(const char *spec)
2920{
2921	struct script_spec *s = script_spec__find(spec);
2922	if (!s)
2923		return NULL;
2924
2925	return s->ops;
2926}
2927
2928static void list_available_languages(void)
2929{
2930	struct script_spec *s;
2931
2932	fprintf(stderr, "\n");
2933	fprintf(stderr, "Scripting language extensions (used in "
2934		"perf script -s [spec:]script.[spec]):\n\n");
2935
2936	list_for_each_entry(s, &script_specs, node)
2937		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2938
2939	fprintf(stderr, "\n");
2940}
2941
2942/* Find script file relative to current directory or exec path */
2943static char *find_script(const char *script)
2944{
2945	char path[PATH_MAX];
2946
2947	if (!scripting_ops) {
2948		const char *ext = strrchr(script, '.');
2949
2950		if (!ext)
2951			return NULL;
2952
2953		scripting_ops = script_spec__lookup(++ext);
2954		if (!scripting_ops)
2955			return NULL;
2956	}
2957
2958	if (access(script, R_OK)) {
2959		char *exec_path = get_argv_exec_path();
2960
2961		if (!exec_path)
2962			return NULL;
2963		snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2964			 exec_path, scripting_ops->dirname, script);
2965		free(exec_path);
2966		script = path;
2967		if (access(script, R_OK))
2968			return NULL;
2969	}
2970	return strdup(script);
2971}
2972
2973static int parse_scriptname(const struct option *opt __maybe_unused,
2974			    const char *str, int unset __maybe_unused)
2975{
2976	char spec[PATH_MAX];
2977	const char *script, *ext;
2978	int len;
2979
2980	if (strcmp(str, "lang") == 0) {
2981		list_available_languages();
2982		exit(0);
2983	}
2984
2985	script = strchr(str, ':');
2986	if (script) {
2987		len = script - str;
2988		if (len >= PATH_MAX) {
2989			fprintf(stderr, "invalid language specifier");
2990			return -1;
2991		}
2992		strncpy(spec, str, len);
2993		spec[len] = '\0';
2994		scripting_ops = script_spec__lookup(spec);
2995		if (!scripting_ops) {
2996			fprintf(stderr, "invalid language specifier");
2997			return -1;
2998		}
2999		script++;
3000	} else {
3001		script = str;
3002		ext = strrchr(script, '.');
3003		if (!ext) {
3004			fprintf(stderr, "invalid script extension");
3005			return -1;
3006		}
3007		scripting_ops = script_spec__lookup(++ext);
3008		if (!scripting_ops) {
3009			fprintf(stderr, "invalid script extension");
3010			return -1;
3011		}
3012	}
3013
3014	script_name = find_script(script);
3015	if (!script_name)
3016		script_name = strdup(script);
3017
3018	return 0;
3019}
3020
3021static int parse_output_fields(const struct option *opt __maybe_unused,
3022			    const char *arg, int unset __maybe_unused)
3023{
3024	char *tok, *strtok_saveptr = NULL;
3025	int i, imax = ARRAY_SIZE(all_output_options);
3026	int j;
3027	int rc = 0;
3028	char *str = strdup(arg);
3029	int type = -1;
3030	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3031
3032	if (!str)
3033		return -ENOMEM;
3034
3035	/* first word can state for which event type the user is specifying
3036	 * the fields. If no type exists, the specified fields apply to all
3037	 * event types found in the file minus the invalid fields for a type.
3038	 */
3039	tok = strchr(str, ':');
3040	if (tok) {
3041		*tok = '\0';
3042		tok++;
3043		if (!strcmp(str, "hw"))
3044			type = PERF_TYPE_HARDWARE;
3045		else if (!strcmp(str, "sw"))
3046			type = PERF_TYPE_SOFTWARE;
3047		else if (!strcmp(str, "trace"))
3048			type = PERF_TYPE_TRACEPOINT;
3049		else if (!strcmp(str, "raw"))
3050			type = PERF_TYPE_RAW;
3051		else if (!strcmp(str, "break"))
3052			type = PERF_TYPE_BREAKPOINT;
3053		else if (!strcmp(str, "synth"))
3054			type = OUTPUT_TYPE_SYNTH;
3055		else {
3056			fprintf(stderr, "Invalid event type in field string.\n");
3057			rc = -EINVAL;
3058			goto out;
3059		}
3060
3061		if (output[type].user_set)
3062			pr_warning("Overriding previous field request for %s events.\n",
3063				   event_type(type));
3064
3065		/* Don't override defaults for +- */
3066		if (strchr(tok, '+') || strchr(tok, '-'))
3067			goto parse;
3068
3069		output[type].fields = 0;
3070		output[type].user_set = true;
3071		output[type].wildcard_set = false;
3072
3073	} else {
3074		tok = str;
3075		if (strlen(str) == 0) {
3076			fprintf(stderr,
3077				"Cannot set fields to 'none' for all event types.\n");
3078			rc = -EINVAL;
3079			goto out;
3080		}
3081
3082		/* Don't override defaults for +- */
3083		if (strchr(str, '+') || strchr(str, '-'))
3084			goto parse;
3085
3086		if (output_set_by_user())
3087			pr_warning("Overriding previous field request for all events.\n");
3088
3089		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3090			output[j].fields = 0;
3091			output[j].user_set = true;
3092			output[j].wildcard_set = true;
3093		}
3094	}
3095
3096parse:
3097	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3098		if (*tok == '+') {
3099			if (change == SET)
3100				goto out_badmix;
3101			change = ADD;
3102			tok++;
3103		} else if (*tok == '-') {
3104			if (change == SET)
3105				goto out_badmix;
3106			change = REMOVE;
3107			tok++;
3108		} else {
3109			if (change != SET && change != DEFAULT)
3110				goto out_badmix;
3111			change = SET;
3112		}
3113
3114		for (i = 0; i < imax; ++i) {
3115			if (strcmp(tok, all_output_options[i].str) == 0)
3116				break;
3117		}
3118		if (i == imax && strcmp(tok, "flags") == 0) {
3119			print_flags = change != REMOVE;
3120			continue;
3121		}
3122		if (i == imax) {
3123			fprintf(stderr, "Invalid field requested.\n");
3124			rc = -EINVAL;
3125			goto out;
3126		}
3127#ifndef HAVE_LIBCAPSTONE_SUPPORT
3128		if (change != REMOVE && strcmp(tok, "disasm") == 0) {
3129			fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n");
3130			rc = -EINVAL;
3131			goto out;
3132		}
3133#endif
3134
3135		if (type == -1) {
3136			/* add user option to all events types for
3137			 * which it is valid
3138			 */
3139			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3140				if (output[j].invalid_fields & all_output_options[i].field) {
3141					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3142						   all_output_options[i].str, event_type(j));
3143				} else {
3144					if (change == REMOVE) {
3145						output[j].fields &= ~all_output_options[i].field;
3146						output[j].user_set_fields &= ~all_output_options[i].field;
3147						output[j].user_unset_fields |= all_output_options[i].field;
3148					} else {
3149						output[j].fields |= all_output_options[i].field;
3150						output[j].user_set_fields |= all_output_options[i].field;
3151						output[j].user_unset_fields &= ~all_output_options[i].field;
3152					}
3153					output[j].user_set = true;
3154					output[j].wildcard_set = true;
3155				}
3156			}
3157		} else {
3158			if (output[type].invalid_fields & all_output_options[i].field) {
3159				fprintf(stderr, "\'%s\' not valid for %s events.\n",
3160					 all_output_options[i].str, event_type(type));
3161
3162				rc = -EINVAL;
3163				goto out;
3164			}
3165			if (change == REMOVE)
3166				output[type].fields &= ~all_output_options[i].field;
3167			else
3168				output[type].fields |= all_output_options[i].field;
3169			output[type].user_set = true;
3170			output[type].wildcard_set = true;
3171		}
3172	}
3173
3174	if (type >= 0) {
3175		if (output[type].fields == 0) {
3176			pr_debug("No fields requested for %s type. "
3177				 "Events will not be displayed.\n", event_type(type));
3178		}
3179	}
3180	goto out;
3181
3182out_badmix:
3183	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3184	rc = -EINVAL;
3185out:
3186	free(str);
3187	return rc;
3188}
3189
3190#define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
3191	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
3192		if ((lang_dirent->d_type == DT_DIR ||			\
3193		     (lang_dirent->d_type == DT_UNKNOWN &&		\
3194		      is_directory(scripts_path, lang_dirent))) &&	\
3195		    (strcmp(lang_dirent->d_name, ".")) &&		\
3196		    (strcmp(lang_dirent->d_name, "..")))
3197
3198#define for_each_script(lang_path, lang_dir, script_dirent)		\
3199	while ((script_dirent = readdir(lang_dir)) != NULL)		\
3200		if (script_dirent->d_type != DT_DIR &&			\
3201		    (script_dirent->d_type != DT_UNKNOWN ||		\
3202		     !is_directory(lang_path, script_dirent)))
3203
3204
3205#define RECORD_SUFFIX			"-record"
3206#define REPORT_SUFFIX			"-report"
3207
3208struct script_desc {
3209	struct list_head	node;
3210	char			*name;
3211	char			*half_liner;
3212	char			*args;
3213};
3214
3215static LIST_HEAD(script_descs);
3216
3217static struct script_desc *script_desc__new(const char *name)
3218{
3219	struct script_desc *s = zalloc(sizeof(*s));
3220
3221	if (s != NULL && name)
3222		s->name = strdup(name);
3223
3224	return s;
3225}
3226
3227static void script_desc__delete(struct script_desc *s)
3228{
3229	zfree(&s->name);
3230	zfree(&s->half_liner);
3231	zfree(&s->args);
3232	free(s);
3233}
3234
3235static void script_desc__add(struct script_desc *s)
3236{
3237	list_add_tail(&s->node, &script_descs);
3238}
3239
3240static struct script_desc *script_desc__find(const char *name)
3241{
3242	struct script_desc *s;
3243
3244	list_for_each_entry(s, &script_descs, node)
3245		if (strcasecmp(s->name, name) == 0)
3246			return s;
3247	return NULL;
3248}
3249
3250static struct script_desc *script_desc__findnew(const char *name)
3251{
3252	struct script_desc *s = script_desc__find(name);
3253
3254	if (s)
3255		return s;
3256
3257	s = script_desc__new(name);
3258	if (!s)
3259		return NULL;
3260
3261	script_desc__add(s);
3262
3263	return s;
3264}
3265
3266static const char *ends_with(const char *str, const char *suffix)
3267{
3268	size_t suffix_len = strlen(suffix);
3269	const char *p = str;
3270
3271	if (strlen(str) > suffix_len) {
3272		p = str + strlen(str) - suffix_len;
3273		if (!strncmp(p, suffix, suffix_len))
3274			return p;
3275	}
3276
3277	return NULL;
3278}
3279
3280static int read_script_info(struct script_desc *desc, const char *filename)
3281{
3282	char line[BUFSIZ], *p;
3283	FILE *fp;
3284
3285	fp = fopen(filename, "r");
3286	if (!fp)
3287		return -1;
3288
3289	while (fgets(line, sizeof(line), fp)) {
3290		p = skip_spaces(line);
3291		if (strlen(p) == 0)
3292			continue;
3293		if (*p != '#')
3294			continue;
3295		p++;
3296		if (strlen(p) && *p == '!')
3297			continue;
3298
3299		p = skip_spaces(p);
3300		if (strlen(p) && p[strlen(p) - 1] == '\n')
3301			p[strlen(p) - 1] = '\0';
3302
3303		if (!strncmp(p, "description:", strlen("description:"))) {
3304			p += strlen("description:");
3305			desc->half_liner = strdup(skip_spaces(p));
3306			continue;
3307		}
3308
3309		if (!strncmp(p, "args:", strlen("args:"))) {
3310			p += strlen("args:");
3311			desc->args = strdup(skip_spaces(p));
3312			continue;
3313		}
3314	}
3315
3316	fclose(fp);
3317
3318	return 0;
3319}
3320
3321static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3322{
3323	char *script_root, *str;
3324
3325	script_root = strdup(script_dirent->d_name);
3326	if (!script_root)
3327		return NULL;
3328
3329	str = (char *)ends_with(script_root, suffix);
3330	if (!str) {
3331		free(script_root);
3332		return NULL;
3333	}
3334
3335	*str = '\0';
3336	return script_root;
3337}
3338
3339static int list_available_scripts(const struct option *opt __maybe_unused,
3340				  const char *s __maybe_unused,
3341				  int unset __maybe_unused)
3342{
3343	struct dirent *script_dirent, *lang_dirent;
3344	char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3345	DIR *scripts_dir, *lang_dir;
 
 
3346	struct script_desc *desc;
 
3347	char *script_root;
3348
3349	buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3350	if (!buf) {
3351		pr_err("malloc failed\n");
3352		exit(-1);
3353	}
3354	scripts_path = buf;
3355	script_path = buf + MAXPATHLEN;
3356	lang_path = buf + 2 * MAXPATHLEN;
3357	first_half = buf + 3 * MAXPATHLEN;
3358
3359	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3360
3361	scripts_dir = opendir(scripts_path);
3362	if (!scripts_dir) {
3363		fprintf(stdout,
3364			"open(%s) failed.\n"
3365			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3366			scripts_path);
3367		free(buf);
3368		exit(-1);
3369	}
3370
3371	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3372		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3373			  lang_dirent->d_name);
3374		lang_dir = opendir(lang_path);
3375		if (!lang_dir)
3376			continue;
3377
3378		for_each_script(lang_path, lang_dir, script_dirent) {
3379			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3380			if (script_root) {
3381				desc = script_desc__findnew(script_root);
3382				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3383					  lang_path, script_dirent->d_name);
3384				read_script_info(desc, script_path);
3385				free(script_root);
3386			}
3387		}
3388	}
3389
3390	fprintf(stdout, "List of available trace scripts:\n");
3391	list_for_each_entry(desc, &script_descs, node) {
3392		sprintf(first_half, "%s %s", desc->name,
3393			desc->args ? desc->args : "");
3394		fprintf(stdout, "  %-36s %s\n", first_half,
3395			desc->half_liner ? desc->half_liner : "");
3396	}
3397
3398	free(buf);
3399	exit(0);
3400}
3401
3402static int add_dlarg(const struct option *opt __maybe_unused,
3403		     const char *s, int unset __maybe_unused)
3404{
3405	char *arg = strdup(s);
3406	void *a;
3407
3408	if (!arg)
3409		return -1;
3410
3411	a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3412	if (!a) {
3413		free(arg);
3414		return -1;
3415	}
3416
3417	dlargv = a;
3418	dlargv[dlargc++] = arg;
3419
3420	return 0;
3421}
3422
3423static void free_dlarg(void)
3424{
3425	while (dlargc--)
3426		free(dlargv[dlargc]);
3427	free(dlargv);
3428}
3429
3430/*
3431 * Some scripts specify the required events in their "xxx-record" file,
3432 * this function will check if the events in perf.data match those
3433 * mentioned in the "xxx-record".
3434 *
3435 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3436 * which is covered well now. And new parsing code should be added to
3437 * cover the future complex formats like event groups etc.
3438 */
3439static int check_ev_match(char *dir_name, char *scriptname,
3440			struct perf_session *session)
3441{
3442	char filename[MAXPATHLEN], evname[128];
3443	char line[BUFSIZ], *p;
3444	struct evsel *pos;
3445	int match, len;
3446	FILE *fp;
3447
3448	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3449
3450	fp = fopen(filename, "r");
3451	if (!fp)
3452		return -1;
3453
3454	while (fgets(line, sizeof(line), fp)) {
3455		p = skip_spaces(line);
3456		if (*p == '#')
3457			continue;
3458
3459		while (strlen(p)) {
3460			p = strstr(p, "-e");
3461			if (!p)
3462				break;
3463
3464			p += 2;
3465			p = skip_spaces(p);
3466			len = strcspn(p, " \t");
3467			if (!len)
3468				break;
3469
3470			snprintf(evname, len + 1, "%s", p);
3471
3472			match = 0;
3473			evlist__for_each_entry(session->evlist, pos) {
3474				if (!strcmp(evsel__name(pos), evname)) {
3475					match = 1;
3476					break;
3477				}
3478			}
3479
3480			if (!match) {
3481				fclose(fp);
3482				return -1;
3483			}
3484		}
3485	}
3486
3487	fclose(fp);
3488	return 0;
3489}
3490
3491/*
3492 * Return -1 if none is found, otherwise the actual scripts number.
3493 *
3494 * Currently the only user of this function is the script browser, which
3495 * will list all statically runnable scripts, select one, execute it and
3496 * show the output in a perf browser.
3497 */
3498int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3499		 int pathlen)
3500{
3501	struct dirent *script_dirent, *lang_dirent;
3502	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3503	DIR *scripts_dir, *lang_dir;
3504	struct perf_session *session;
3505	struct perf_data data = {
3506		.path = input_name,
3507		.mode = PERF_DATA_MODE_READ,
3508	};
3509	char *temp;
3510	int i = 0;
3511
3512	session = perf_session__new(&data, NULL);
3513	if (IS_ERR(session))
3514		return PTR_ERR(session);
3515
3516	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3517
3518	scripts_dir = opendir(scripts_path);
3519	if (!scripts_dir) {
3520		perf_session__delete(session);
3521		return -1;
3522	}
3523
3524	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3525		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3526			  lang_dirent->d_name);
3527#ifndef HAVE_LIBPERL_SUPPORT
3528		if (strstr(lang_path, "perl"))
3529			continue;
3530#endif
3531#ifndef HAVE_LIBPYTHON_SUPPORT
3532		if (strstr(lang_path, "python"))
3533			continue;
3534#endif
3535
3536		lang_dir = opendir(lang_path);
3537		if (!lang_dir)
3538			continue;
3539
3540		for_each_script(lang_path, lang_dir, script_dirent) {
3541			/* Skip those real time scripts: xxxtop.p[yl] */
3542			if (strstr(script_dirent->d_name, "top."))
3543				continue;
3544			if (i >= num)
3545				break;
3546			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3547				lang_path,
3548				script_dirent->d_name);
3549			temp = strchr(script_dirent->d_name, '.');
3550			snprintf(scripts_array[i],
3551				(temp - script_dirent->d_name) + 1,
3552				"%s", script_dirent->d_name);
3553
3554			if (check_ev_match(lang_path,
3555					scripts_array[i], session))
3556				continue;
3557
3558			i++;
3559		}
3560		closedir(lang_dir);
3561	}
3562
3563	closedir(scripts_dir);
3564	perf_session__delete(session);
3565	return i;
3566}
3567
3568static char *get_script_path(const char *script_root, const char *suffix)
3569{
3570	struct dirent *script_dirent, *lang_dirent;
3571	char scripts_path[MAXPATHLEN];
3572	char script_path[MAXPATHLEN];
3573	DIR *scripts_dir, *lang_dir;
3574	char lang_path[MAXPATHLEN];
3575	char *__script_root;
3576
3577	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3578
3579	scripts_dir = opendir(scripts_path);
3580	if (!scripts_dir)
3581		return NULL;
3582
3583	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3584		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3585			  lang_dirent->d_name);
3586		lang_dir = opendir(lang_path);
3587		if (!lang_dir)
3588			continue;
3589
3590		for_each_script(lang_path, lang_dir, script_dirent) {
3591			__script_root = get_script_root(script_dirent, suffix);
3592			if (__script_root && !strcmp(script_root, __script_root)) {
3593				free(__script_root);
3594				closedir(scripts_dir);
3595				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3596					  lang_path, script_dirent->d_name);
3597				closedir(lang_dir);
3598				return strdup(script_path);
3599			}
3600			free(__script_root);
3601		}
3602		closedir(lang_dir);
3603	}
3604	closedir(scripts_dir);
3605
3606	return NULL;
3607}
3608
3609static bool is_top_script(const char *script_path)
3610{
3611	return ends_with(script_path, "top") != NULL;
3612}
3613
3614static int has_required_arg(char *script_path)
3615{
3616	struct script_desc *desc;
3617	int n_args = 0;
3618	char *p;
3619
3620	desc = script_desc__new(NULL);
3621
3622	if (read_script_info(desc, script_path))
3623		goto out;
3624
3625	if (!desc->args)
3626		goto out;
3627
3628	for (p = desc->args; *p; p++)
3629		if (*p == '<')
3630			n_args++;
3631out:
3632	script_desc__delete(desc);
3633
3634	return n_args;
3635}
3636
3637static int have_cmd(int argc, const char **argv)
3638{
3639	char **__argv = malloc(sizeof(const char *) * argc);
3640
3641	if (!__argv) {
3642		pr_err("malloc failed\n");
3643		return -1;
3644	}
3645
3646	memcpy(__argv, argv, sizeof(const char *) * argc);
3647	argc = parse_options(argc, (const char **)__argv, record_options,
3648			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3649	free(__argv);
3650
3651	system_wide = (argc == 0);
3652
3653	return 0;
3654}
3655
3656static void script__setup_sample_type(struct perf_script *script)
3657{
3658	struct perf_session *session = script->session;
3659	u64 sample_type = evlist__combined_sample_type(session->evlist);
3660
3661	callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3662
3663	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3664		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3665			   "Please apply --call-graph lbr when recording.\n");
3666		script->stitch_lbr = false;
3667	}
3668}
3669
3670static int process_stat_round_event(struct perf_session *session,
3671				    union perf_event *event)
3672{
3673	struct perf_record_stat_round *round = &event->stat_round;
3674	struct evsel *counter;
3675
3676	evlist__for_each_entry(session->evlist, counter) {
3677		perf_stat_process_counter(&stat_config, counter);
3678		process_stat(counter, round->time);
3679	}
3680
3681	process_stat_interval(round->time);
3682	return 0;
3683}
3684
3685static int process_stat_config_event(struct perf_session *session __maybe_unused,
3686				     union perf_event *event)
3687{
3688	perf_event__read_stat_config(&stat_config, &event->stat_config);
3689
3690	/*
3691	 * Aggregation modes are not used since post-processing scripts are
3692	 * supposed to take care of such requirements
3693	 */
3694	stat_config.aggr_mode = AGGR_NONE;
3695
3696	return 0;
3697}
3698
3699static int set_maps(struct perf_script *script)
3700{
3701	struct evlist *evlist = script->session->evlist;
3702
3703	if (!script->cpus || !script->threads)
3704		return 0;
3705
3706	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3707		return -EINVAL;
3708
3709	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3710
3711	if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3712		return -ENOMEM;
3713
3714	script->allocated = true;
3715	return 0;
3716}
3717
3718static
3719int process_thread_map_event(struct perf_session *session,
3720			     union perf_event *event)
3721{
3722	struct perf_tool *tool = session->tool;
3723	struct perf_script *script = container_of(tool, struct perf_script, tool);
3724
3725	if (dump_trace)
3726		perf_event__fprintf_thread_map(event, stdout);
3727
3728	if (script->threads) {
3729		pr_warning("Extra thread map event, ignoring.\n");
3730		return 0;
3731	}
3732
3733	script->threads = thread_map__new_event(&event->thread_map);
3734	if (!script->threads)
3735		return -ENOMEM;
3736
3737	return set_maps(script);
3738}
3739
3740static
3741int process_cpu_map_event(struct perf_session *session,
3742			  union perf_event *event)
3743{
3744	struct perf_tool *tool = session->tool;
3745	struct perf_script *script = container_of(tool, struct perf_script, tool);
3746
3747	if (dump_trace)
3748		perf_event__fprintf_cpu_map(event, stdout);
3749
3750	if (script->cpus) {
3751		pr_warning("Extra cpu map event, ignoring.\n");
3752		return 0;
3753	}
3754
3755	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3756	if (!script->cpus)
3757		return -ENOMEM;
3758
3759	return set_maps(script);
3760}
3761
3762static int process_feature_event(struct perf_session *session,
3763				 union perf_event *event)
3764{
3765	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3766		return perf_event__process_feature(session, event);
3767	return 0;
3768}
3769
3770#ifdef HAVE_AUXTRACE_SUPPORT
3771static int perf_script__process_auxtrace_info(struct perf_session *session,
3772					      union perf_event *event)
3773{
3774	struct perf_tool *tool = session->tool;
3775
3776	int ret = perf_event__process_auxtrace_info(session, event);
3777
3778	if (ret == 0) {
3779		struct perf_script *script = container_of(tool, struct perf_script, tool);
3780
3781		ret = perf_script__setup_per_event_dump(script);
3782	}
3783
3784	return ret;
3785}
3786#else
3787#define perf_script__process_auxtrace_info 0
3788#endif
3789
3790static int parse_insn_trace(const struct option *opt __maybe_unused,
3791			    const char *str, int unset __maybe_unused)
 
3792{
3793	const char *fields = "+insn,-event,-period";
3794	int ret;
3795
3796	if (str) {
3797		if (strcmp(str, "disasm") == 0)
3798			fields = "+disasm,-event,-period";
3799		else if (strlen(str) != 0 && strcmp(str, "raw") != 0) {
3800			fprintf(stderr, "Only accept raw|disasm\n");
3801			return -EINVAL;
3802		}
3803	}
3804
3805	ret = parse_output_fields(NULL, fields, 0);
3806	if (ret < 0)
3807		return ret;
3808
3809	itrace_parse_synth_opts(opt, "i0ns", 0);
3810	symbol_conf.nanosecs = true;
3811	return 0;
3812}
3813
3814static int parse_xed(const struct option *opt __maybe_unused,
3815		     const char *str __maybe_unused,
3816		     int unset __maybe_unused)
3817{
3818	if (isatty(1))
3819		force_pager("xed -F insn: -A -64 | less");
3820	else
3821		force_pager("xed -F insn: -A -64");
3822	return 0;
3823}
3824
3825static int parse_call_trace(const struct option *opt __maybe_unused,
3826			    const char *str __maybe_unused,
3827			    int unset __maybe_unused)
3828{
3829	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3830	itrace_parse_synth_opts(opt, "cewp", 0);
3831	symbol_conf.nanosecs = true;
3832	symbol_conf.pad_output_len_dso = 50;
3833	return 0;
3834}
3835
3836static int parse_callret_trace(const struct option *opt __maybe_unused,
3837			    const char *str __maybe_unused,
3838			    int unset __maybe_unused)
3839{
3840	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3841	itrace_parse_synth_opts(opt, "crewp", 0);
3842	symbol_conf.nanosecs = true;
3843	return 0;
3844}
3845
3846int cmd_script(int argc, const char **argv)
3847{
3848	bool show_full_info = false;
3849	bool header = false;
3850	bool header_only = false;
3851	bool script_started = false;
3852	bool unsorted_dump = false;
3853	char *rec_script_path = NULL;
3854	char *rep_script_path = NULL;
3855	struct perf_session *session;
3856	struct itrace_synth_opts itrace_synth_opts = {
3857		.set = false,
3858		.default_no_sample = true,
3859	};
3860	struct utsname uts;
3861	char *script_path = NULL;
3862	const char *dlfilter_file = NULL;
3863	const char **__argv;
3864	int i, j, err = 0;
3865	struct perf_script script = {
3866		.tool = {
3867			.sample		 = process_sample_event,
3868			.mmap		 = perf_event__process_mmap,
3869			.mmap2		 = perf_event__process_mmap2,
3870			.comm		 = perf_event__process_comm,
3871			.namespaces	 = perf_event__process_namespaces,
3872			.cgroup		 = perf_event__process_cgroup,
3873			.exit		 = perf_event__process_exit,
3874			.fork		 = perf_event__process_fork,
3875			.attr		 = process_attr,
3876			.event_update   = perf_event__process_event_update,
3877#ifdef HAVE_LIBTRACEEVENT
3878			.tracing_data	 = perf_event__process_tracing_data,
3879#endif
3880			.feature	 = process_feature_event,
3881			.build_id	 = perf_event__process_build_id,
3882			.id_index	 = perf_event__process_id_index,
3883			.auxtrace_info	 = perf_script__process_auxtrace_info,
3884			.auxtrace	 = perf_event__process_auxtrace,
3885			.auxtrace_error	 = perf_event__process_auxtrace_error,
3886			.stat		 = perf_event__process_stat_event,
3887			.stat_round	 = process_stat_round_event,
3888			.stat_config	 = process_stat_config_event,
3889			.thread_map	 = process_thread_map_event,
3890			.cpu_map	 = process_cpu_map_event,
3891			.throttle	 = process_throttle_event,
3892			.unthrottle	 = process_throttle_event,
3893			.ordered_events	 = true,
3894			.ordering_requires_timestamps = true,
3895		},
3896	};
3897	struct perf_data data = {
3898		.mode = PERF_DATA_MODE_READ,
3899	};
3900	const struct option options[] = {
3901	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3902		    "dump raw trace in ASCII"),
3903	OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3904		    "dump unsorted raw trace in ASCII"),
3905	OPT_INCR('v', "verbose", &verbose,
3906		 "be more verbose (show symbol address, etc)"),
3907	OPT_BOOLEAN('L', "Latency", &latency_format,
3908		    "show latency attributes (irqs/preemption disabled, etc)"),
3909	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3910			   list_available_scripts),
3911	OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3912			   list_available_dlfilters),
3913	OPT_CALLBACK('s', "script", NULL, "name",
3914		     "script file name (lang:script name, script name, or *)",
3915		     parse_scriptname),
3916	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3917		   "generate perf-script.xx script in specified language"),
3918	OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3919	OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3920		     add_dlarg),
3921	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3922	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3923		   "do various checks like samples ordering and lost events"),
3924	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3925	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3926	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3927		   "file", "vmlinux pathname"),
3928	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3929		   "file", "kallsyms pathname"),
3930	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3931		    "When printing symbols do not display call chain"),
3932	OPT_CALLBACK(0, "symfs", NULL, "directory",
3933		     "Look for files with symbols relative to this directory",
3934		     symbol__config_symfs),
3935	OPT_CALLBACK('F', "fields", NULL, "str",
3936		     "comma separated output fields prepend with 'type:'. "
3937		     "+field to add and -field to remove."
3938		     "Valid types: hw,sw,trace,raw,synth. "
3939		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
3940		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3941		     "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3942		     "brstackinsnlen,brstackoff,callindent,insn,disasm,insnlen,synth,"
3943		     "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3944		     "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat",
3945		     parse_output_fields),
3946	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3947		    "system-wide collection from all CPUs"),
3948	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3949		   "only consider symbols in these DSOs"),
3950	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3951		   "only consider these symbols"),
3952	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3953		    "Use with -S to list traced records within address range"),
3954	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm",
3955			"Decode instructions from itrace", parse_insn_trace),
3956	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3957			"Run xed disassembler on output", parse_xed),
3958	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3959			"Decode calls from itrace", parse_call_trace),
3960	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3961			"Decode calls and returns from itrace", parse_callret_trace),
3962	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3963			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3964	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3965		   "Stop display of callgraph at these symbols"),
3966	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3967	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3968		   "only display events for these comms"),
3969	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3970		   "only consider symbols in these pids"),
3971	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3972		   "only consider symbols in these tids"),
3973	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3974		     "Set the maximum stack depth when parsing the callchain, "
3975		     "anything beyond the specified depth will be ignored. "
3976		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3977	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3978	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3979	OPT_BOOLEAN('I', "show-info", &show_full_info,
3980		    "display extended information from perf.data file"),
3981	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3982		    "Show the path of [kernel.kallsyms]"),
3983	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3984		    "Show the fork/comm/exit events"),
3985	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3986		    "Show the mmap events"),
3987	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3988		    "Show context switch events (if recorded)"),
3989	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3990		    "Show namespace events (if recorded)"),
3991	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3992		    "Show cgroup events (if recorded)"),
3993	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3994		    "Show lost events (if recorded)"),
3995	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3996		    "Show round events (if recorded)"),
3997	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3998		    "Show bpf related events (if recorded)"),
3999	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
4000		    "Show text poke related events (if recorded)"),
4001	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
4002		    "Dump trace output to files named by the monitored events"),
4003	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
4004	OPT_INTEGER(0, "max-blocks", &max_blocks,
4005		    "Maximum number of code blocks to dump with brstackinsn"),
4006	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
4007		    "Use 9 decimal places when displaying time"),
4008	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
4009			    "Instruction Tracing options\n" ITRACE_HELP,
4010			    itrace_parse_synth_opts),
4011	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
4012			"Show full source file name path for source lines"),
4013	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
4014			"Enable symbol demangling"),
4015	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
4016			"Enable kernel symbol demangling"),
4017	OPT_STRING(0, "time", &script.time_str, "str",
4018		   "Time span of interest (start,stop)"),
4019	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
4020		    "Show inline function"),
4021	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
4022		   "guest mount directory under which every guest os"
4023		   " instance has a subdir"),
4024	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
4025		   "file", "file saving guest os vmlinux"),
4026	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
4027		   "file", "file saving guest os /proc/kallsyms"),
4028	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
4029		   "file", "file saving guest os /proc/modules"),
4030	OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
4031		    "Guest code can be found in hypervisor process"),
4032	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
4033		    "Enable LBR callgraph stitching approach"),
4034	OPTS_EVSWITCH(&script.evswitch),
4035	OPT_END()
4036	};
4037	const char * const script_subcommands[] = { "record", "report", NULL };
4038	const char *script_usage[] = {
4039		"perf script [<options>]",
4040		"perf script [<options>] record <script> [<record-options>] <command>",
4041		"perf script [<options>] report <script> [script-args]",
4042		"perf script [<options>] <script> [<record-options>] <command>",
4043		"perf script [<options>] <top-script> [script-args]",
4044		NULL
4045	};
4046
4047	perf_set_singlethreaded();
4048
4049	setup_scripting();
4050
4051	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
4052			     PARSE_OPT_STOP_AT_NON_OPTION);
4053
4054	if (symbol_conf.guestmount ||
4055	    symbol_conf.default_guest_vmlinux_name ||
4056	    symbol_conf.default_guest_kallsyms ||
4057	    symbol_conf.default_guest_modules ||
4058	    symbol_conf.guest_code) {
4059		/*
4060		 * Enable guest sample processing.
4061		 */
4062		perf_guest = true;
4063	}
4064
4065	data.path  = input_name;
4066	data.force = symbol_conf.force;
4067
4068	if (unsorted_dump) {
4069		dump_trace = true;
4070		script.tool.ordered_events = false;
4071	}
4072
4073	if (symbol__validate_sym_arguments())
4074		return -1;
4075
4076	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4077		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4078		if (!rec_script_path)
4079			return cmd_record(argc, argv);
4080	}
4081
4082	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4083		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4084		if (!rep_script_path) {
4085			fprintf(stderr,
4086				"Please specify a valid report script"
4087				"(see 'perf script -l' for listing)\n");
4088			return -1;
4089		}
4090	}
4091
4092	if (reltime && deltatime) {
4093		fprintf(stderr,
4094			"reltime and deltatime - the two don't get along well. "
4095			"Please limit to --reltime or --deltatime.\n");
4096		return -1;
4097	}
4098
4099	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4100	    itrace_synth_opts.callchain_sz > scripting_max_stack)
4101		scripting_max_stack = itrace_synth_opts.callchain_sz;
4102
4103	/* make sure PERF_EXEC_PATH is set for scripts */
4104	set_argv_exec_path(get_argv_exec_path());
4105
4106	if (argc && !script_name && !rec_script_path && !rep_script_path) {
4107		int live_pipe[2];
4108		int rep_args;
4109		pid_t pid;
4110
4111		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4112		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4113
4114		if (!rec_script_path && !rep_script_path) {
4115			script_name = find_script(argv[0]);
4116			if (script_name) {
4117				argc -= 1;
4118				argv += 1;
4119				goto script_found;
4120			}
4121			usage_with_options_msg(script_usage, options,
4122				"Couldn't find script `%s'\n\n See perf"
4123				" script -l for available scripts.\n", argv[0]);
4124		}
4125
4126		if (is_top_script(argv[0])) {
4127			rep_args = argc - 1;
4128		} else {
4129			int rec_args;
4130
4131			rep_args = has_required_arg(rep_script_path);
4132			rec_args = (argc - 1) - rep_args;
4133			if (rec_args < 0) {
4134				usage_with_options_msg(script_usage, options,
4135					"`%s' script requires options."
4136					"\n\n See perf script -l for available "
4137					"scripts and options.\n", argv[0]);
4138			}
4139		}
4140
4141		if (pipe(live_pipe) < 0) {
4142			perror("failed to create pipe");
4143			return -1;
4144		}
4145
4146		pid = fork();
4147		if (pid < 0) {
4148			perror("failed to fork");
4149			return -1;
4150		}
4151
4152		if (!pid) {
4153			j = 0;
4154
4155			dup2(live_pipe[1], 1);
4156			close(live_pipe[0]);
4157
4158			if (is_top_script(argv[0])) {
4159				system_wide = true;
4160			} else if (!system_wide) {
4161				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4162					err = -1;
4163					goto out;
4164				}
4165			}
4166
4167			__argv = malloc((argc + 6) * sizeof(const char *));
4168			if (!__argv) {
4169				pr_err("malloc failed\n");
4170				err = -ENOMEM;
4171				goto out;
4172			}
4173
4174			__argv[j++] = "/bin/sh";
4175			__argv[j++] = rec_script_path;
4176			if (system_wide)
4177				__argv[j++] = "-a";
4178			__argv[j++] = "-q";
4179			__argv[j++] = "-o";
4180			__argv[j++] = "-";
4181			for (i = rep_args + 1; i < argc; i++)
4182				__argv[j++] = argv[i];
4183			__argv[j++] = NULL;
4184
4185			execvp("/bin/sh", (char **)__argv);
4186			free(__argv);
4187			exit(-1);
4188		}
4189
4190		dup2(live_pipe[0], 0);
4191		close(live_pipe[1]);
4192
4193		__argv = malloc((argc + 4) * sizeof(const char *));
4194		if (!__argv) {
4195			pr_err("malloc failed\n");
4196			err = -ENOMEM;
4197			goto out;
4198		}
4199
4200		j = 0;
4201		__argv[j++] = "/bin/sh";
4202		__argv[j++] = rep_script_path;
4203		for (i = 1; i < rep_args + 1; i++)
4204			__argv[j++] = argv[i];
4205		__argv[j++] = "-i";
4206		__argv[j++] = "-";
4207		__argv[j++] = NULL;
4208
4209		execvp("/bin/sh", (char **)__argv);
4210		free(__argv);
4211		exit(-1);
4212	}
4213script_found:
4214	if (rec_script_path)
4215		script_path = rec_script_path;
4216	if (rep_script_path)
4217		script_path = rep_script_path;
4218
4219	if (script_path) {
4220		j = 0;
4221
4222		if (!rec_script_path)
4223			system_wide = false;
4224		else if (!system_wide) {
4225			if (have_cmd(argc - 1, &argv[1]) != 0) {
4226				err = -1;
4227				goto out;
4228			}
4229		}
4230
4231		__argv = malloc((argc + 2) * sizeof(const char *));
4232		if (!__argv) {
4233			pr_err("malloc failed\n");
4234			err = -ENOMEM;
4235			goto out;
4236		}
4237
4238		__argv[j++] = "/bin/sh";
4239		__argv[j++] = script_path;
4240		if (system_wide)
4241			__argv[j++] = "-a";
4242		for (i = 2; i < argc; i++)
4243			__argv[j++] = argv[i];
4244		__argv[j++] = NULL;
4245
4246		execvp("/bin/sh", (char **)__argv);
4247		free(__argv);
4248		exit(-1);
4249	}
4250
4251	if (dlfilter_file) {
4252		dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4253		if (!dlfilter)
4254			return -1;
4255	}
4256
4257	if (!script_name) {
4258		setup_pager();
4259		use_browser = 0;
4260	}
4261
4262	session = perf_session__new(&data, &script.tool);
4263	if (IS_ERR(session))
4264		return PTR_ERR(session);
4265
4266	if (header || header_only) {
4267		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4268		perf_session__fprintf_info(session, stdout, show_full_info);
4269		if (header_only)
4270			goto out_delete;
4271	}
4272	if (show_full_info)
4273		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4274
4275	if (symbol__init(&session->header.env) < 0)
4276		goto out_delete;
4277
4278	uname(&uts);
4279	if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4280		native_arch = true;
4281	} else if (session->header.env.arch) {
4282		if (!strcmp(uts.machine, session->header.env.arch))
4283			native_arch = true;
4284		else if (!strcmp(uts.machine, "x86_64") &&
4285			 !strcmp(session->header.env.arch, "i386"))
4286			native_arch = true;
4287	}
4288
4289	script.session = session;
4290	script__setup_sample_type(&script);
4291
4292	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4293	    symbol_conf.graph_function)
4294		itrace_synth_opts.thread_stack = true;
4295
4296	session->itrace_synth_opts = &itrace_synth_opts;
4297
4298	if (cpu_list) {
4299		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4300		if (err < 0)
4301			goto out_delete;
4302		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4303	}
4304
4305	if (!no_callchain)
4306		symbol_conf.use_callchain = true;
4307	else
4308		symbol_conf.use_callchain = false;
4309
4310#ifdef HAVE_LIBTRACEEVENT
4311	if (session->tevent.pevent &&
4312	    tep_set_function_resolver(session->tevent.pevent,
4313				      machine__resolve_kernel_addr,
4314				      &session->machines.host) < 0) {
4315		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4316		err = -1;
4317		goto out_delete;
4318	}
4319#endif
4320	if (generate_script_lang) {
4321		struct stat perf_stat;
4322		int input;
4323
4324		if (output_set_by_user()) {
4325			fprintf(stderr,
4326				"custom fields not supported for generated scripts");
4327			err = -EINVAL;
4328			goto out_delete;
4329		}
4330
4331		input = open(data.path, O_RDONLY);	/* input_name */
4332		if (input < 0) {
4333			err = -errno;
4334			perror("failed to open file");
4335			goto out_delete;
4336		}
4337
4338		err = fstat(input, &perf_stat);
4339		if (err < 0) {
4340			perror("failed to stat file");
4341			goto out_delete;
4342		}
4343
4344		if (!perf_stat.st_size) {
4345			fprintf(stderr, "zero-sized file, nothing to do!\n");
4346			goto out_delete;
4347		}
4348
4349		scripting_ops = script_spec__lookup(generate_script_lang);
4350		if (!scripting_ops) {
4351			fprintf(stderr, "invalid language specifier");
4352			err = -ENOENT;
4353			goto out_delete;
4354		}
4355#ifdef HAVE_LIBTRACEEVENT
4356		err = scripting_ops->generate_script(session->tevent.pevent,
4357						     "perf-script");
4358#else
4359		err = scripting_ops->generate_script(NULL, "perf-script");
4360#endif
4361		goto out_delete;
4362	}
4363
4364	err = dlfilter__start(dlfilter, session);
4365	if (err)
4366		goto out_delete;
4367
4368	if (script_name) {
4369		err = scripting_ops->start_script(script_name, argc, argv, session);
4370		if (err)
4371			goto out_delete;
4372		pr_debug("perf script started with script %s\n\n", script_name);
4373		script_started = true;
4374	}
4375
4376
4377	err = perf_session__check_output_opt(session);
4378	if (err < 0)
4379		goto out_delete;
4380
4381	if (script.time_str) {
4382		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4383						  &script.ptime_range,
4384						  &script.range_size,
4385						  &script.range_num,
4386						  reltime);
4387		if (err < 0)
4388			goto out_delete;
4389
4390		itrace_synth_opts__set_time_range(&itrace_synth_opts,
4391						  script.ptime_range,
4392						  script.range_num);
4393	}
4394
4395	err = evswitch__init(&script.evswitch, session->evlist, stderr);
4396	if (err)
4397		goto out_delete;
4398
4399	if (zstd_init(&(session->zstd_data), 0) < 0)
4400		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4401
4402	err = __cmd_script(&script);
4403
4404	flush_scripting();
4405
4406	if (verbose > 2 || debug_kmaps)
4407		perf_session__dump_kmaps(session);
4408
4409out_delete:
4410	if (script.ptime_range) {
4411		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4412		zfree(&script.ptime_range);
4413	}
4414
4415	zstd_fini(&(session->zstd_data));
4416	evlist__free_stats(session->evlist);
4417	perf_session__delete(session);
4418	perf_script__exit(&script);
4419
4420	if (script_started)
4421		cleanup_scripting();
4422	dlfilter__cleanup(dlfilter);
4423	free_dlarg();
4424out:
4425	return err;
4426}