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v3.1
 
   1#include "builtin.h"
   2
   3#include "perf.h"
   4#include "util/cache.h"
   5#include "util/debug.h"
   6#include "util/exec_cmd.h"
 
   7#include "util/header.h"
   8#include "util/parse-options.h"
 
   9#include "util/session.h"
 
 
 
  10#include "util/symbol.h"
  11#include "util/thread.h"
  12#include "util/trace-event.h"
  13#include "util/util.h"
  14#include "util/evlist.h"
  15#include "util/evsel.h"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  16#include <linux/bitmap.h>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  17
  18static char const		*script_name;
  19static char const		*generate_script_lang;
 
 
 
 
  20static bool			debug_mode;
  21static u64			last_timestamp;
  22static u64			nr_unordered;
  23extern const struct option	record_options[];
  24static bool			no_callchain;
 
 
 
  25static const char		*cpu_list;
  26static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
 
 
 
 
 
 
 
 
  27
  28enum perf_output_field {
  29	PERF_OUTPUT_COMM            = 1U << 0,
  30	PERF_OUTPUT_TID             = 1U << 1,
  31	PERF_OUTPUT_PID             = 1U << 2,
  32	PERF_OUTPUT_TIME            = 1U << 3,
  33	PERF_OUTPUT_CPU             = 1U << 4,
  34	PERF_OUTPUT_EVNAME          = 1U << 5,
  35	PERF_OUTPUT_TRACE           = 1U << 6,
  36	PERF_OUTPUT_IP              = 1U << 7,
  37	PERF_OUTPUT_SYM             = 1U << 8,
  38	PERF_OUTPUT_DSO             = 1U << 9,
  39	PERF_OUTPUT_ADDR            = 1U << 10,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  40};
  41
  42struct output_option {
  43	const char *str;
  44	enum perf_output_field field;
  45} all_output_options[] = {
  46	{.str = "comm",  .field = PERF_OUTPUT_COMM},
  47	{.str = "tid",   .field = PERF_OUTPUT_TID},
  48	{.str = "pid",   .field = PERF_OUTPUT_PID},
  49	{.str = "time",  .field = PERF_OUTPUT_TIME},
  50	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
  51	{.str = "event", .field = PERF_OUTPUT_EVNAME},
  52	{.str = "trace", .field = PERF_OUTPUT_TRACE},
  53	{.str = "ip",    .field = PERF_OUTPUT_IP},
  54	{.str = "sym",   .field = PERF_OUTPUT_SYM},
  55	{.str = "dso",   .field = PERF_OUTPUT_DSO},
 
  56	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  57};
  58
  59/* default set to maintain compatibility with current format */
  60static struct {
  61	bool user_set;
  62	bool wildcard_set;
 
  63	u64 fields;
  64	u64 invalid_fields;
  65} output[PERF_TYPE_MAX] = {
 
 
  66
  67	[PERF_TYPE_HARDWARE] = {
  68		.user_set = false,
  69
  70		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
  71			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
  72			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
  73				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
 
  74
  75		.invalid_fields = PERF_OUTPUT_TRACE,
  76	},
  77
  78	[PERF_TYPE_SOFTWARE] = {
  79		.user_set = false,
  80
  81		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
  82			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
  83			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
  84				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
 
 
  85
  86		.invalid_fields = PERF_OUTPUT_TRACE,
  87	},
  88
  89	[PERF_TYPE_TRACEPOINT] = {
  90		.user_set = false,
  91
  92		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
  93				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
  94				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
 
 
 
 
 
 
 
 
 
 
 
 
  95	},
  96
  97	[PERF_TYPE_RAW] = {
  98		.user_set = false,
  99
 100		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 101			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 102			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 103				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
 
 
 
 
 
 104
 105		.invalid_fields = PERF_OUTPUT_TRACE,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 106	},
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 107};
 108
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 109static bool output_set_by_user(void)
 110{
 111	int j;
 112	for (j = 0; j < PERF_TYPE_MAX; ++j) {
 113		if (output[j].user_set)
 114			return true;
 115	}
 116	return false;
 117}
 118
 119static const char *output_field2str(enum perf_output_field field)
 120{
 121	int i, imax = ARRAY_SIZE(all_output_options);
 122	const char *str = "";
 123
 124	for (i = 0; i < imax; ++i) {
 125		if (all_output_options[i].field == field) {
 126			str = all_output_options[i].str;
 127			break;
 128		}
 129	}
 130	return str;
 131}
 132
 133#define PRINT_FIELD(x)  (output[attr->type].fields & PERF_OUTPUT_##x)
 134
 135static int perf_event_attr__check_stype(struct perf_event_attr *attr,
 136				  u64 sample_type, const char *sample_msg,
 137				  enum perf_output_field field)
 138{
 139	int type = attr->type;
 
 140	const char *evname;
 141
 142	if (attr->sample_type & sample_type)
 143		return 0;
 144
 145	if (output[type].user_set) {
 146		evname = __event_name(attr->type, attr->config);
 
 
 147		pr_err("Samples for '%s' event do not have %s attribute set. "
 148		       "Cannot print '%s' field.\n",
 149		       evname, sample_msg, output_field2str(field));
 150		return -1;
 151	}
 152
 153	/* user did not ask for it explicitly so remove from the default list */
 154	output[type].fields &= ~field;
 155	evname = __event_name(attr->type, attr->config);
 156	pr_debug("Samples for '%s' event do not have %s attribute set. "
 157		 "Skipping '%s' field.\n",
 158		 evname, sample_msg, output_field2str(field));
 159
 160	return 0;
 161}
 162
 163static int perf_evsel__check_attr(struct perf_evsel *evsel,
 164				  struct perf_session *session)
 165{
 166	struct perf_event_attr *attr = &evsel->attr;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 167
 168	if (PRINT_FIELD(TRACE) &&
 169		!perf_session__has_traces(session, "record -R"))
 170		return -EINVAL;
 171
 172	if (PRINT_FIELD(IP)) {
 173		if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP",
 174					   PERF_OUTPUT_IP))
 175			return -EINVAL;
 176
 177		if (!no_callchain &&
 178		    !(attr->sample_type & PERF_SAMPLE_CALLCHAIN))
 179			symbol_conf.use_callchain = false;
 180	}
 181
 182	if (PRINT_FIELD(ADDR) &&
 183		perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR",
 184				       PERF_OUTPUT_ADDR))
 
 
 
 
 
 
 
 185		return -EINVAL;
 186
 187	if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
 
 188		pr_err("Display of symbols requested but neither sample IP nor "
 189			   "sample address\nis selected. Hence, no addresses to convert "
 190		       "to symbols.\n");
 191		return -EINVAL;
 192	}
 193	if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
 194		pr_err("Display of DSO requested but neither sample IP nor "
 195			   "sample address\nis selected. Hence, no addresses to convert "
 196		       "to DSO.\n");
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 197		return -EINVAL;
 198	}
 199
 200	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 201		perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID",
 202				       PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 203		return -EINVAL;
 204
 205	if (PRINT_FIELD(TIME) &&
 206		perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME",
 207				       PERF_OUTPUT_TIME))
 208		return -EINVAL;
 209
 210	if (PRINT_FIELD(CPU) &&
 211		perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU",
 212				       PERF_OUTPUT_CPU))
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 213		return -EINVAL;
 214
 215	return 0;
 216}
 217
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 218/*
 219 * verify all user requested events exist and the samples
 220 * have the expected data
 221 */
 222static int perf_session__check_output_opt(struct perf_session *session)
 223{
 224	int j;
 225	struct perf_evsel *evsel;
 
 226
 227	for (j = 0; j < PERF_TYPE_MAX; ++j) {
 228		evsel = perf_session__find_first_evtype(session, j);
 229
 230		/*
 231		 * even if fields is set to 0 (ie., show nothing) event must
 232		 * exist if user explicitly includes it on the command line
 233		 */
 234		if (!evsel && output[j].user_set && !output[j].wildcard_set) {
 
 235			pr_err("%s events do not exist. "
 236			       "Remove corresponding -f option to proceed.\n",
 237			       event_type(j));
 238			return -1;
 239		}
 240
 241		if (evsel && output[j].fields &&
 242			perf_evsel__check_attr(evsel, session))
 243			return -1;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 244	}
 245
 
 
 
 
 
 
 246	return 0;
 247}
 248
 249static void print_sample_start(struct perf_sample *sample,
 250			       struct thread *thread,
 251			       struct perf_event_attr *attr)
 252{
 253	int type;
 254	struct event *event;
 255	const char *evname = NULL;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 256	unsigned long secs;
 257	unsigned long usecs;
 258	unsigned long long nsecs;
 
 
 
 
 
 
 
 
 
 259
 260	if (PRINT_FIELD(COMM)) {
 
 
 261		if (latency_format)
 262			printf("%8.8s ", thread->comm);
 263		else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
 264			printf("%s ", thread->comm);
 265		else
 266			printf("%16s ", thread->comm);
 267	}
 268
 269	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 270		printf("%5d/%-5d ", sample->pid, sample->tid);
 271	else if (PRINT_FIELD(PID))
 272		printf("%5d ", sample->pid);
 273	else if (PRINT_FIELD(TID))
 274		printf("%5d ", sample->tid);
 275
 276	if (PRINT_FIELD(CPU)) {
 277		if (latency_format)
 278			printf("%3d ", sample->cpu);
 279		else
 280			printf("[%03d] ", sample->cpu);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 281	}
 282
 283	if (PRINT_FIELD(TIME)) {
 284		nsecs = sample->time;
 285		secs = nsecs / NSECS_PER_SEC;
 286		nsecs -= secs * NSECS_PER_SEC;
 287		usecs = nsecs / NSECS_PER_USEC;
 288		printf("%5lu.%06lu: ", secs, usecs);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 289	}
 290
 291	if (PRINT_FIELD(EVNAME)) {
 292		if (attr->type == PERF_TYPE_TRACEPOINT) {
 293			type = trace_parse_common_type(sample->raw_data);
 294			event = trace_find_event(type);
 295			if (event)
 296				evname = event->name;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 297		} else
 298			evname = __event_name(attr->type, attr->config);
 299
 300		printf("%s: ", evname ? evname : "(unknown)");
 301	}
 
 
 302}
 303
 304static bool sample_addr_correlates_sym(struct perf_event_attr *attr)
 
 
 305{
 306	if ((attr->type == PERF_TYPE_SOFTWARE) &&
 307	    ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) ||
 308	     (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) ||
 309	     (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)))
 310		return true;
 311
 312	return false;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 313}
 
 314
 315static void print_sample_addr(union perf_event *event,
 316			  struct perf_sample *sample,
 317			  struct perf_session *session,
 318			  struct thread *thread,
 319			  struct perf_event_attr *attr)
 320{
 
 321	struct addr_location al;
 322	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
 323	const char *symname, *dsoname;
 
 324
 325	printf("%16" PRIx64, sample->addr);
 
 326
 327	if (!sample_addr_correlates_sym(attr))
 328		return;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 329
 330	thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
 331			      event->ip.pid, sample->addr, &al);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 332	if (!al.map)
 333		thread__find_addr_map(thread, session, cpumode, MAP__VARIABLE,
 334				      event->ip.pid, sample->addr, &al);
 
 
 
 
 
 
 
 335
 336	al.cpu = sample->cpu;
 337	al.sym = NULL;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 338
 
 
 339	if (al.map)
 340		al.sym = map__find_symbol(al.map, al.addr, NULL);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 341
 342	if (PRINT_FIELD(SYM)) {
 343		if (al.sym && al.sym->name)
 344			symname = al.sym->name;
 
 345		else
 346			symname = "";
 347
 348		printf(" %16s", symname);
 349	}
 350
 351	if (PRINT_FIELD(DSO)) {
 352		if (al.map && al.map->dso && al.map->dso->name)
 353			dsoname = al.map->dso->name;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 354		else
 355			dsoname = "";
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 356
 357		printf(" (%s)", dsoname);
 
 
 
 
 
 358	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 359}
 360
 361static void process_event(union perf_event *event __unused,
 362			  struct perf_sample *sample,
 363			  struct perf_evsel *evsel,
 364			  struct perf_session *session,
 365			  struct thread *thread)
 366{
 367	struct perf_event_attr *attr = &evsel->attr;
 368
 369	if (output[attr->type].fields == 0)
 370		return;
 
 
 
 
 371
 372	print_sample_start(sample, thread, attr);
 
 
 
 
 
 373
 374	if (PRINT_FIELD(TRACE))
 375		print_trace_event(sample->cpu, sample->raw_data,
 376				  sample->raw_size);
 377
 378	if (PRINT_FIELD(ADDR))
 379		print_sample_addr(event, sample, session, thread, attr);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 380
 
 381	if (PRINT_FIELD(IP)) {
 382		if (!symbol_conf.use_callchain)
 383			printf(" ");
 384		else
 385			printf("\n");
 386		perf_session__print_ip(event, sample, session,
 387					      PRINT_FIELD(SYM), PRINT_FIELD(DSO));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 388	}
 389
 390	printf("\n");
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 391}
 392
 393static int default_start_script(const char *script __unused,
 394				int argc __unused,
 395				const char **argv __unused)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 396{
 397	return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 398}
 399
 400static int default_stop_script(void)
 401{
 
 
 
 402	return 0;
 403}
 404
 405static int default_generate_script(const char *outfile __unused)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 406{
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 407	return 0;
 408}
 409
 410static struct scripting_ops default_scripting_ops = {
 411	.start_script		= default_start_script,
 412	.stop_script		= default_stop_script,
 413	.process_event		= process_event,
 414	.generate_script	= default_generate_script,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 415};
 416
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 417static struct scripting_ops	*scripting_ops;
 418
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 419static void setup_scripting(void)
 420{
 
 421	setup_perl_scripting();
 
 422	setup_python_scripting();
 
 423
 424	scripting_ops = &default_scripting_ops;
 
 
 425}
 426
 427static int cleanup_scripting(void)
 428{
 429	pr_debug("\nperf script stopped\n");
 430
 431	return scripting_ops->stop_script();
 432}
 433
 434static char const		*input_name = "perf.data";
 
 
 
 
 
 435
 436static int process_sample_event(union perf_event *event,
 
 437				struct perf_sample *sample,
 438				struct perf_evsel *evsel,
 439				struct perf_session *session)
 440{
 441	struct thread *thread = perf_session__findnew(session, event->ip.pid);
 
 
 
 442
 443	if (thread == NULL) {
 444		pr_debug("problem processing %d event, skipping it.\n",
 445			 event->header.type);
 446		return -1;
 
 
 
 
 
 
 
 
 
 
 447	}
 448
 449	if (debug_mode) {
 450		if (sample->time < last_timestamp) {
 451			pr_err("Samples misordered, previous: %" PRIu64
 452				" this: %" PRIu64 "\n", last_timestamp,
 453				sample->time);
 454			nr_unordered++;
 455		}
 456		last_timestamp = sample->time;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 457		return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 458	}
 459
 460	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
 461		return 0;
 462
 463	scripting_ops->process_event(event, sample, evsel, session, thread);
 
 
 
 
 
 
 
 
 
 
 464
 465	session->hists.stats.total_period += sample->period;
 466	return 0;
 467}
 468
 469static struct perf_event_ops event_ops = {
 470	.sample		 = process_sample_event,
 471	.mmap		 = perf_event__process_mmap,
 472	.comm		 = perf_event__process_comm,
 473	.exit		 = perf_event__process_task,
 474	.fork		 = perf_event__process_task,
 475	.attr		 = perf_event__process_attr,
 476	.event_type	 = perf_event__process_event_type,
 477	.tracing_data	 = perf_event__process_tracing_data,
 478	.build_id	 = perf_event__process_build_id,
 479	.ordered_samples = true,
 480	.ordering_requires_timestamps = true,
 481};
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 482
 483extern volatile int session_done;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 484
 485static void sig_handler(int sig __unused)
 486{
 487	session_done = 1;
 488}
 489
 490static int __cmd_script(struct perf_session *session)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 491{
 492	int ret;
 493
 494	signal(SIGINT, sig_handler);
 495
 496	ret = perf_session__process_events(session, &event_ops);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 497
 498	if (debug_mode)
 499		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
 500
 501	return ret;
 502}
 503
 504struct script_spec {
 505	struct list_head	node;
 506	struct scripting_ops	*ops;
 507	char			spec[0];
 508};
 509
 510static LIST_HEAD(script_specs);
 511
 512static struct script_spec *script_spec__new(const char *spec,
 513					    struct scripting_ops *ops)
 514{
 515	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
 516
 517	if (s != NULL) {
 518		strcpy(s->spec, spec);
 519		s->ops = ops;
 520	}
 521
 522	return s;
 523}
 524
 525static void script_spec__delete(struct script_spec *s)
 526{
 527	free(s->spec);
 528	free(s);
 529}
 530
 531static void script_spec__add(struct script_spec *s)
 532{
 533	list_add_tail(&s->node, &script_specs);
 534}
 535
 536static struct script_spec *script_spec__find(const char *spec)
 537{
 538	struct script_spec *s;
 539
 540	list_for_each_entry(s, &script_specs, node)
 541		if (strcasecmp(s->spec, spec) == 0)
 542			return s;
 543	return NULL;
 544}
 545
 546static struct script_spec *script_spec__findnew(const char *spec,
 547						struct scripting_ops *ops)
 548{
 549	struct script_spec *s = script_spec__find(spec);
 550
 551	if (s)
 552		return s;
 553
 554	s = script_spec__new(spec, ops);
 555	if (!s)
 556		goto out_delete_spec;
 557
 558	script_spec__add(s);
 559
 560	return s;
 561
 562out_delete_spec:
 563	script_spec__delete(s);
 564
 565	return NULL;
 566}
 567
 568int script_spec_register(const char *spec, struct scripting_ops *ops)
 569{
 570	struct script_spec *s;
 571
 572	s = script_spec__find(spec);
 573	if (s)
 574		return -1;
 575
 576	s = script_spec__findnew(spec, ops);
 577	if (!s)
 578		return -1;
 
 
 579
 580	return 0;
 581}
 582
 583static struct scripting_ops *script_spec__lookup(const char *spec)
 584{
 585	struct script_spec *s = script_spec__find(spec);
 586	if (!s)
 587		return NULL;
 588
 589	return s->ops;
 590}
 591
 592static void list_available_languages(void)
 593{
 594	struct script_spec *s;
 595
 596	fprintf(stderr, "\n");
 597	fprintf(stderr, "Scripting language extensions (used in "
 598		"perf script -s [spec:]script.[spec]):\n\n");
 599
 600	list_for_each_entry(s, &script_specs, node)
 601		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
 602
 603	fprintf(stderr, "\n");
 604}
 605
 606static int parse_scriptname(const struct option *opt __used,
 607			    const char *str, int unset __used)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 608{
 609	char spec[PATH_MAX];
 610	const char *script, *ext;
 611	int len;
 612
 613	if (strcmp(str, "lang") == 0) {
 614		list_available_languages();
 615		exit(0);
 616	}
 617
 618	script = strchr(str, ':');
 619	if (script) {
 620		len = script - str;
 621		if (len >= PATH_MAX) {
 622			fprintf(stderr, "invalid language specifier");
 623			return -1;
 624		}
 625		strncpy(spec, str, len);
 626		spec[len] = '\0';
 627		scripting_ops = script_spec__lookup(spec);
 628		if (!scripting_ops) {
 629			fprintf(stderr, "invalid language specifier");
 630			return -1;
 631		}
 632		script++;
 633	} else {
 634		script = str;
 635		ext = strrchr(script, '.');
 636		if (!ext) {
 637			fprintf(stderr, "invalid script extension");
 638			return -1;
 639		}
 640		scripting_ops = script_spec__lookup(++ext);
 641		if (!scripting_ops) {
 642			fprintf(stderr, "invalid script extension");
 643			return -1;
 644		}
 645	}
 646
 647	script_name = strdup(script);
 
 
 648
 649	return 0;
 650}
 651
 652static int parse_output_fields(const struct option *opt __used,
 653			    const char *arg, int unset __used)
 654{
 655	char *tok;
 656	int i, imax = sizeof(all_output_options) / sizeof(struct output_option);
 657	int j;
 658	int rc = 0;
 659	char *str = strdup(arg);
 660	int type = -1;
 
 661
 662	if (!str)
 663		return -ENOMEM;
 664
 665	/* first word can state for which event type the user is specifying
 666	 * the fields. If no type exists, the specified fields apply to all
 667	 * event types found in the file minus the invalid fields for a type.
 668	 */
 669	tok = strchr(str, ':');
 670	if (tok) {
 671		*tok = '\0';
 672		tok++;
 673		if (!strcmp(str, "hw"))
 674			type = PERF_TYPE_HARDWARE;
 675		else if (!strcmp(str, "sw"))
 676			type = PERF_TYPE_SOFTWARE;
 677		else if (!strcmp(str, "trace"))
 678			type = PERF_TYPE_TRACEPOINT;
 679		else if (!strcmp(str, "raw"))
 680			type = PERF_TYPE_RAW;
 
 
 
 
 681		else {
 682			fprintf(stderr, "Invalid event type in field string.\n");
 683			return -EINVAL;
 
 684		}
 685
 686		if (output[type].user_set)
 687			pr_warning("Overriding previous field request for %s events.\n",
 688				   event_type(type));
 689
 
 
 
 
 690		output[type].fields = 0;
 691		output[type].user_set = true;
 692		output[type].wildcard_set = false;
 693
 694	} else {
 695		tok = str;
 696		if (strlen(str) == 0) {
 697			fprintf(stderr,
 698				"Cannot set fields to 'none' for all event types.\n");
 699			rc = -EINVAL;
 700			goto out;
 701		}
 702
 
 
 
 
 703		if (output_set_by_user())
 704			pr_warning("Overriding previous field request for all events.\n");
 705
 706		for (j = 0; j < PERF_TYPE_MAX; ++j) {
 707			output[j].fields = 0;
 708			output[j].user_set = true;
 709			output[j].wildcard_set = true;
 710		}
 711	}
 712
 713	tok = strtok(tok, ",");
 714	while (tok) {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 715		for (i = 0; i < imax; ++i) {
 716			if (strcmp(tok, all_output_options[i].str) == 0)
 717				break;
 718		}
 
 
 
 
 719		if (i == imax) {
 720			fprintf(stderr, "Invalid field requested.\n");
 721			rc = -EINVAL;
 722			goto out;
 723		}
 724
 725		if (type == -1) {
 726			/* add user option to all events types for
 727			 * which it is valid
 728			 */
 729			for (j = 0; j < PERF_TYPE_MAX; ++j) {
 730				if (output[j].invalid_fields & all_output_options[i].field) {
 731					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
 732						   all_output_options[i].str, event_type(j));
 733				} else
 734					output[j].fields |= all_output_options[i].field;
 
 
 
 
 
 
 
 
 
 
 
 735			}
 736		} else {
 737			if (output[type].invalid_fields & all_output_options[i].field) {
 738				fprintf(stderr, "\'%s\' not valid for %s events.\n",
 739					 all_output_options[i].str, event_type(type));
 740
 741				rc = -EINVAL;
 742				goto out;
 743			}
 744			output[type].fields |= all_output_options[i].field;
 
 
 
 
 
 745		}
 746
 747		tok = strtok(NULL, ",");
 748	}
 749
 750	if (type >= 0) {
 751		if (output[type].fields == 0) {
 752			pr_debug("No fields requested for %s type. "
 753				 "Events will not be displayed.\n", event_type(type));
 754		}
 755	}
 
 756
 
 
 
 757out:
 758	free(str);
 759	return rc;
 760}
 761
 762/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
 763static int is_directory(const char *base_path, const struct dirent *dent)
 764{
 765	char path[PATH_MAX];
 766	struct stat st;
 767
 768	sprintf(path, "%s/%s", base_path, dent->d_name);
 769	if (stat(path, &st))
 770		return 0;
 771
 772	return S_ISDIR(st.st_mode);
 773}
 774
 775#define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\
 776	while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) &&	\
 777	       lang_next)						\
 778		if ((lang_dirent.d_type == DT_DIR ||			\
 779		     (lang_dirent.d_type == DT_UNKNOWN &&		\
 780		      is_directory(scripts_path, &lang_dirent))) &&	\
 781		    (strcmp(lang_dirent.d_name, ".")) &&		\
 782		    (strcmp(lang_dirent.d_name, "..")))
 783
 784#define for_each_script(lang_path, lang_dir, script_dirent, script_next)\
 785	while (!readdir_r(lang_dir, &script_dirent, &script_next) &&	\
 786	       script_next)						\
 787		if (script_dirent.d_type != DT_DIR &&			\
 788		    (script_dirent.d_type != DT_UNKNOWN ||		\
 789		     !is_directory(lang_path, &script_dirent)))
 790
 791
 792#define RECORD_SUFFIX			"-record"
 793#define REPORT_SUFFIX			"-report"
 794
 795struct script_desc {
 796	struct list_head	node;
 797	char			*name;
 798	char			*half_liner;
 799	char			*args;
 800};
 801
 802static LIST_HEAD(script_descs);
 803
 804static struct script_desc *script_desc__new(const char *name)
 805{
 806	struct script_desc *s = zalloc(sizeof(*s));
 807
 808	if (s != NULL && name)
 809		s->name = strdup(name);
 810
 811	return s;
 812}
 813
 814static void script_desc__delete(struct script_desc *s)
 815{
 816	free(s->name);
 817	free(s->half_liner);
 818	free(s->args);
 819	free(s);
 820}
 821
 822static void script_desc__add(struct script_desc *s)
 823{
 824	list_add_tail(&s->node, &script_descs);
 825}
 826
 827static struct script_desc *script_desc__find(const char *name)
 828{
 829	struct script_desc *s;
 830
 831	list_for_each_entry(s, &script_descs, node)
 832		if (strcasecmp(s->name, name) == 0)
 833			return s;
 834	return NULL;
 835}
 836
 837static struct script_desc *script_desc__findnew(const char *name)
 838{
 839	struct script_desc *s = script_desc__find(name);
 840
 841	if (s)
 842		return s;
 843
 844	s = script_desc__new(name);
 845	if (!s)
 846		goto out_delete_desc;
 847
 848	script_desc__add(s);
 849
 850	return s;
 851
 852out_delete_desc:
 853	script_desc__delete(s);
 854
 855	return NULL;
 856}
 857
 858static const char *ends_with(const char *str, const char *suffix)
 859{
 860	size_t suffix_len = strlen(suffix);
 861	const char *p = str;
 862
 863	if (strlen(str) > suffix_len) {
 864		p = str + strlen(str) - suffix_len;
 865		if (!strncmp(p, suffix, suffix_len))
 866			return p;
 867	}
 868
 869	return NULL;
 870}
 871
 872static char *ltrim(char *str)
 873{
 874	int len = strlen(str);
 875
 876	while (len && isspace(*str)) {
 877		len--;
 878		str++;
 879	}
 880
 881	return str;
 882}
 883
 884static int read_script_info(struct script_desc *desc, const char *filename)
 885{
 886	char line[BUFSIZ], *p;
 887	FILE *fp;
 888
 889	fp = fopen(filename, "r");
 890	if (!fp)
 891		return -1;
 892
 893	while (fgets(line, sizeof(line), fp)) {
 894		p = ltrim(line);
 895		if (strlen(p) == 0)
 896			continue;
 897		if (*p != '#')
 898			continue;
 899		p++;
 900		if (strlen(p) && *p == '!')
 901			continue;
 902
 903		p = ltrim(p);
 904		if (strlen(p) && p[strlen(p) - 1] == '\n')
 905			p[strlen(p) - 1] = '\0';
 906
 907		if (!strncmp(p, "description:", strlen("description:"))) {
 908			p += strlen("description:");
 909			desc->half_liner = strdup(ltrim(p));
 910			continue;
 911		}
 912
 913		if (!strncmp(p, "args:", strlen("args:"))) {
 914			p += strlen("args:");
 915			desc->args = strdup(ltrim(p));
 916			continue;
 917		}
 918	}
 919
 920	fclose(fp);
 921
 922	return 0;
 923}
 924
 925static int list_available_scripts(const struct option *opt __used,
 926				  const char *s __used, int unset __used)
 927{
 928	struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
 929	char scripts_path[MAXPATHLEN];
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 930	DIR *scripts_dir, *lang_dir;
 931	char script_path[MAXPATHLEN];
 932	char lang_path[MAXPATHLEN];
 933	struct script_desc *desc;
 934	char first_half[BUFSIZ];
 935	char *script_root;
 936	char *str;
 937
 938	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
 
 
 
 
 
 
 
 
 
 
 939
 940	scripts_dir = opendir(scripts_path);
 941	if (!scripts_dir)
 942		return -1;
 
 
 
 
 
 
 943
 944	for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
 945		snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
 946			 lang_dirent.d_name);
 947		lang_dir = opendir(lang_path);
 948		if (!lang_dir)
 949			continue;
 950
 951		for_each_script(lang_path, lang_dir, script_dirent, script_next) {
 952			script_root = strdup(script_dirent.d_name);
 953			str = (char *)ends_with(script_root, REPORT_SUFFIX);
 954			if (str) {
 955				*str = '\0';
 956				desc = script_desc__findnew(script_root);
 957				snprintf(script_path, MAXPATHLEN, "%s/%s",
 958					 lang_path, script_dirent.d_name);
 959				read_script_info(desc, script_path);
 
 960			}
 961			free(script_root);
 962		}
 963	}
 964
 965	fprintf(stdout, "List of available trace scripts:\n");
 966	list_for_each_entry(desc, &script_descs, node) {
 967		sprintf(first_half, "%s %s", desc->name,
 968			desc->args ? desc->args : "");
 969		fprintf(stdout, "  %-36s %s\n", first_half,
 970			desc->half_liner ? desc->half_liner : "");
 971	}
 972
 
 973	exit(0);
 974}
 975
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 976static char *get_script_path(const char *script_root, const char *suffix)
 977{
 978	struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
 979	char scripts_path[MAXPATHLEN];
 980	char script_path[MAXPATHLEN];
 981	DIR *scripts_dir, *lang_dir;
 982	char lang_path[MAXPATHLEN];
 983	char *str, *__script_root;
 984	char *path = NULL;
 985
 986	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
 987
 988	scripts_dir = opendir(scripts_path);
 989	if (!scripts_dir)
 990		return NULL;
 991
 992	for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
 993		snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
 994			 lang_dirent.d_name);
 995		lang_dir = opendir(lang_path);
 996		if (!lang_dir)
 997			continue;
 998
 999		for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1000			__script_root = strdup(script_dirent.d_name);
1001			str = (char *)ends_with(__script_root, suffix);
1002			if (str) {
1003				*str = '\0';
1004				if (strcmp(__script_root, script_root))
1005					continue;
1006				snprintf(script_path, MAXPATHLEN, "%s/%s",
1007					 lang_path, script_dirent.d_name);
1008				path = strdup(script_path);
1009				free(__script_root);
1010				break;
 
 
 
 
1011			}
1012			free(__script_root);
1013		}
 
1014	}
 
1015
1016	return path;
1017}
1018
1019static bool is_top_script(const char *script_path)
1020{
1021	return ends_with(script_path, "top") == NULL ? false : true;
1022}
1023
1024static int has_required_arg(char *script_path)
1025{
1026	struct script_desc *desc;
1027	int n_args = 0;
1028	char *p;
1029
1030	desc = script_desc__new(NULL);
1031
1032	if (read_script_info(desc, script_path))
1033		goto out;
1034
1035	if (!desc->args)
1036		goto out;
1037
1038	for (p = desc->args; *p; p++)
1039		if (*p == '<')
1040			n_args++;
1041out:
1042	script_desc__delete(desc);
1043
1044	return n_args;
1045}
1046
1047static const char * const script_usage[] = {
1048	"perf script [<options>]",
1049	"perf script [<options>] record <script> [<record-options>] <command>",
1050	"perf script [<options>] report <script> [script-args]",
1051	"perf script [<options>] <script> [<record-options>] <command>",
1052	"perf script [<options>] <top-script> [script-args]",
1053	NULL
1054};
 
 
 
 
 
1055
1056static const struct option options[] = {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1057	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1058		    "dump raw trace in ASCII"),
 
 
1059	OPT_INCR('v', "verbose", &verbose,
1060		    "be more verbose (show symbol address, etc)"),
1061	OPT_BOOLEAN('L', "Latency", &latency_format,
1062		    "show latency attributes (irqs/preemption disabled, etc)"),
1063	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
1064			   list_available_scripts),
 
 
1065	OPT_CALLBACK('s', "script", NULL, "name",
1066		     "script file name (lang:script name, script name, or *)",
1067		     parse_scriptname),
1068	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
1069		   "generate perf-script.xx script in specified language"),
1070	OPT_STRING('i', "input", &input_name, "file",
1071		    "input file name"),
 
 
1072	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
1073		   "do various checks like samples ordering and lost events"),
 
 
1074	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1075		   "file", "vmlinux pathname"),
1076	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1077		   "file", "kallsyms pathname"),
1078	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
1079		    "When printing symbols do not display call chain"),
1080	OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
1081		    "Look for files with symbols relative to this directory"),
1082	OPT_CALLBACK('f', "fields", NULL, "str",
1083		     "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr",
 
 
 
 
 
 
 
 
 
1084		     parse_output_fields),
1085	OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
1086
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1087	OPT_END()
1088};
 
 
 
 
 
 
 
 
 
1089
1090static bool have_cmd(int argc, const char **argv)
1091{
1092	char **__argv = malloc(sizeof(const char *) * argc);
1093
1094	if (!__argv)
1095		die("malloc");
1096	memcpy(__argv, argv, sizeof(const char *) * argc);
1097	argc = parse_options(argc, (const char **)__argv, record_options,
1098			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
1099	free(__argv);
1100
1101	return argc != 0;
1102}
1103
1104int cmd_script(int argc, const char **argv, const char *prefix __used)
1105{
1106	char *rec_script_path = NULL;
1107	char *rep_script_path = NULL;
1108	struct perf_session *session;
1109	char *script_path = NULL;
1110	const char **__argv;
1111	bool system_wide;
1112	int i, j, err;
 
1113
1114	setup_scripting();
 
1115
1116	argc = parse_options(argc, argv, options, script_usage,
1117			     PARSE_OPT_STOP_AT_NON_OPTION);
 
 
1118
1119	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
 
 
 
1120		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
1121		if (!rec_script_path)
1122			return cmd_record(argc, argv, NULL);
1123	}
1124
1125	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
1126		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
1127		if (!rep_script_path) {
1128			fprintf(stderr,
1129				"Please specify a valid report script"
1130				"(see 'perf script -l' for listing)\n");
1131			return -1;
1132		}
1133	}
1134
 
 
 
 
 
 
 
 
 
 
 
1135	/* make sure PERF_EXEC_PATH is set for scripts */
1136	perf_set_argv_exec_path(perf_exec_path());
1137
1138	if (argc && !script_name && !rec_script_path && !rep_script_path) {
1139		int live_pipe[2];
1140		int rep_args;
1141		pid_t pid;
1142
1143		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
1144		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
1145
1146		if (!rec_script_path && !rep_script_path) {
1147			fprintf(stderr, " Couldn't find script %s\n\n See perf"
 
 
 
 
 
 
 
1148				" script -l for available scripts.\n", argv[0]);
1149			usage_with_options(script_usage, options);
1150		}
1151
1152		if (is_top_script(argv[0])) {
1153			rep_args = argc - 1;
1154		} else {
1155			int rec_args;
1156
1157			rep_args = has_required_arg(rep_script_path);
1158			rec_args = (argc - 1) - rep_args;
1159			if (rec_args < 0) {
1160				fprintf(stderr, " %s script requires options."
 
1161					"\n\n See perf script -l for available "
1162					"scripts and options.\n", argv[0]);
1163				usage_with_options(script_usage, options);
1164			}
1165		}
1166
1167		if (pipe(live_pipe) < 0) {
1168			perror("failed to create pipe");
1169			exit(-1);
1170		}
1171
1172		pid = fork();
1173		if (pid < 0) {
1174			perror("failed to fork");
1175			exit(-1);
1176		}
1177
1178		if (!pid) {
1179			system_wide = true;
1180			j = 0;
1181
1182			dup2(live_pipe[1], 1);
1183			close(live_pipe[0]);
1184
1185			if (!is_top_script(argv[0]))
1186				system_wide = !have_cmd(argc - rep_args,
1187							&argv[rep_args]);
 
 
 
 
 
1188
1189			__argv = malloc((argc + 6) * sizeof(const char *));
1190			if (!__argv)
1191				die("malloc");
 
 
 
1192
1193			__argv[j++] = "/bin/sh";
1194			__argv[j++] = rec_script_path;
1195			if (system_wide)
1196				__argv[j++] = "-a";
1197			__argv[j++] = "-q";
1198			__argv[j++] = "-o";
1199			__argv[j++] = "-";
1200			for (i = rep_args + 1; i < argc; i++)
1201				__argv[j++] = argv[i];
1202			__argv[j++] = NULL;
1203
1204			execvp("/bin/sh", (char **)__argv);
1205			free(__argv);
1206			exit(-1);
1207		}
1208
1209		dup2(live_pipe[0], 0);
1210		close(live_pipe[1]);
1211
1212		__argv = malloc((argc + 4) * sizeof(const char *));
1213		if (!__argv)
1214			die("malloc");
 
 
 
 
1215		j = 0;
1216		__argv[j++] = "/bin/sh";
1217		__argv[j++] = rep_script_path;
1218		for (i = 1; i < rep_args + 1; i++)
1219			__argv[j++] = argv[i];
1220		__argv[j++] = "-i";
1221		__argv[j++] = "-";
1222		__argv[j++] = NULL;
1223
1224		execvp("/bin/sh", (char **)__argv);
1225		free(__argv);
1226		exit(-1);
1227	}
1228
1229	if (rec_script_path)
1230		script_path = rec_script_path;
1231	if (rep_script_path)
1232		script_path = rep_script_path;
1233
1234	if (script_path) {
1235		system_wide = false;
1236		j = 0;
1237
1238		if (rec_script_path)
1239			system_wide = !have_cmd(argc - 1, &argv[1]);
 
 
 
 
 
 
1240
1241		__argv = malloc((argc + 2) * sizeof(const char *));
1242		if (!__argv)
1243			die("malloc");
 
 
 
 
1244		__argv[j++] = "/bin/sh";
1245		__argv[j++] = script_path;
1246		if (system_wide)
1247			__argv[j++] = "-a";
1248		for (i = 2; i < argc; i++)
1249			__argv[j++] = argv[i];
1250		__argv[j++] = NULL;
1251
1252		execvp("/bin/sh", (char **)__argv);
1253		free(__argv);
1254		exit(-1);
1255	}
1256
1257	if (symbol__init() < 0)
1258		return -1;
1259	if (!script_name)
 
 
 
 
1260		setup_pager();
 
 
1261
1262	session = perf_session__new(input_name, O_RDONLY, 0, false, &event_ops);
1263	if (session == NULL)
1264		return -ENOMEM;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1265
1266	if (cpu_list) {
1267		if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap))
1268			return -1;
 
 
1269	}
1270
1271	if (!no_callchain)
1272		symbol_conf.use_callchain = true;
1273	else
1274		symbol_conf.use_callchain = false;
1275
 
 
 
 
 
 
 
 
 
 
1276	if (generate_script_lang) {
1277		struct stat perf_stat;
1278		int input;
1279
1280		if (output_set_by_user()) {
1281			fprintf(stderr,
1282				"custom fields not supported for generated scripts");
1283			return -1;
 
1284		}
1285
1286		input = open(input_name, O_RDONLY);
1287		if (input < 0) {
 
1288			perror("failed to open file");
1289			exit(-1);
1290		}
1291
1292		err = fstat(input, &perf_stat);
1293		if (err < 0) {
1294			perror("failed to stat file");
1295			exit(-1);
1296		}
1297
1298		if (!perf_stat.st_size) {
1299			fprintf(stderr, "zero-sized file, nothing to do!\n");
1300			exit(0);
1301		}
1302
1303		scripting_ops = script_spec__lookup(generate_script_lang);
1304		if (!scripting_ops) {
1305			fprintf(stderr, "invalid language specifier");
1306			return -1;
 
1307		}
1308
1309		err = scripting_ops->generate_script("perf-script");
1310		goto out;
 
 
 
 
1311	}
1312
 
 
 
 
1313	if (script_name) {
1314		err = scripting_ops->start_script(script_name, argc, argv);
1315		if (err)
1316			goto out;
1317		pr_debug("perf script started with script %s\n\n", script_name);
 
1318	}
1319
1320
1321	err = perf_session__check_output_opt(session);
1322	if (err < 0)
1323		goto out;
1324
1325	err = __cmd_script(session);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1326
 
 
 
 
 
 
 
 
 
 
1327	perf_session__delete(session);
1328	cleanup_scripting();
 
 
 
 
 
1329out:
1330	return err;
1331}
v6.8
   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 "archinsn.h"
  38#include <linux/bitmap.h>
  39#include <linux/kernel.h>
  40#include <linux/stringify.h>
  41#include <linux/time64.h>
  42#include <linux/zalloc.h>
  43#include <sys/utsname.h>
  44#include "asm/bug.h"
  45#include "util/mem-events.h"
  46#include "util/dump-insn.h"
  47#include <dirent.h>
  48#include <errno.h>
  49#include <inttypes.h>
  50#include <signal.h>
  51#include <sys/param.h>
  52#include <sys/types.h>
  53#include <sys/stat.h>
  54#include <fcntl.h>
  55#include <unistd.h>
  56#include <subcmd/pager.h>
  57#include <perf/evlist.h>
  58#include <linux/err.h>
  59#include "util/dlfilter.h"
  60#include "util/record.h"
  61#include "util/util.h"
  62#include "util/cgroup.h"
  63#include "perf.h"
  64
  65#include <linux/ctype.h>
  66#ifdef HAVE_LIBTRACEEVENT
  67#include <traceevent/event-parse.h>
  68#endif
  69
  70static char const		*script_name;
  71static char const		*generate_script_lang;
  72static bool			reltime;
  73static bool			deltatime;
  74static u64			initial_time;
  75static u64			previous_time;
  76static bool			debug_mode;
  77static u64			last_timestamp;
  78static u64			nr_unordered;
 
  79static bool			no_callchain;
  80static bool			latency_format;
  81static bool			system_wide;
  82static bool			print_flags;
  83static const char		*cpu_list;
  84static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  85static struct perf_stat_config	stat_config;
  86static int			max_blocks;
  87static bool			native_arch;
  88static struct dlfilter		*dlfilter;
  89static int			dlargc;
  90static char			**dlargv;
  91
  92unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  93
  94enum perf_output_field {
  95	PERF_OUTPUT_COMM            = 1ULL << 0,
  96	PERF_OUTPUT_TID             = 1ULL << 1,
  97	PERF_OUTPUT_PID             = 1ULL << 2,
  98	PERF_OUTPUT_TIME            = 1ULL << 3,
  99	PERF_OUTPUT_CPU             = 1ULL << 4,
 100	PERF_OUTPUT_EVNAME          = 1ULL << 5,
 101	PERF_OUTPUT_TRACE           = 1ULL << 6,
 102	PERF_OUTPUT_IP              = 1ULL << 7,
 103	PERF_OUTPUT_SYM             = 1ULL << 8,
 104	PERF_OUTPUT_DSO             = 1ULL << 9,
 105	PERF_OUTPUT_ADDR            = 1ULL << 10,
 106	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
 107	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
 108	PERF_OUTPUT_PERIOD          = 1ULL << 13,
 109	PERF_OUTPUT_IREGS	    = 1ULL << 14,
 110	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
 111	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
 112	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
 113	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
 114	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
 115	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
 116	PERF_OUTPUT_INSN	    = 1ULL << 21,
 117	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
 118	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
 119	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
 120	PERF_OUTPUT_SYNTH           = 1ULL << 25,
 121	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 122	PERF_OUTPUT_UREGS	    = 1ULL << 27,
 123	PERF_OUTPUT_METRIC	    = 1ULL << 28,
 124	PERF_OUTPUT_MISC            = 1ULL << 29,
 125	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
 126	PERF_OUTPUT_IPC             = 1ULL << 31,
 127	PERF_OUTPUT_TOD             = 1ULL << 32,
 128	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 129	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 130	PERF_OUTPUT_INS_LAT         = 1ULL << 35,
 131	PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
 132	PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
 133	PERF_OUTPUT_VCPU            = 1ULL << 38,
 134	PERF_OUTPUT_CGROUP          = 1ULL << 39,
 135	PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
 136	PERF_OUTPUT_DSOFF           = 1ULL << 41,
 137};
 138
 139struct perf_script {
 140	struct perf_tool	tool;
 141	struct perf_session	*session;
 142	bool			show_task_events;
 143	bool			show_mmap_events;
 144	bool			show_switch_events;
 145	bool			show_namespace_events;
 146	bool			show_lost_events;
 147	bool			show_round_events;
 148	bool			show_bpf_events;
 149	bool			show_cgroup_events;
 150	bool			show_text_poke_events;
 151	bool			allocated;
 152	bool			per_event_dump;
 153	bool			stitch_lbr;
 154	struct evswitch		evswitch;
 155	struct perf_cpu_map	*cpus;
 156	struct perf_thread_map *threads;
 157	int			name_width;
 158	const char              *time_str;
 159	struct perf_time_interval *ptime_range;
 160	int			range_size;
 161	int			range_num;
 162};
 163
 164struct output_option {
 165	const char *str;
 166	enum perf_output_field field;
 167} all_output_options[] = {
 168	{.str = "comm",  .field = PERF_OUTPUT_COMM},
 169	{.str = "tid",   .field = PERF_OUTPUT_TID},
 170	{.str = "pid",   .field = PERF_OUTPUT_PID},
 171	{.str = "time",  .field = PERF_OUTPUT_TIME},
 172	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
 173	{.str = "event", .field = PERF_OUTPUT_EVNAME},
 174	{.str = "trace", .field = PERF_OUTPUT_TRACE},
 175	{.str = "ip",    .field = PERF_OUTPUT_IP},
 176	{.str = "sym",   .field = PERF_OUTPUT_SYM},
 177	{.str = "dso",   .field = PERF_OUTPUT_DSO},
 178	{.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
 179	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
 180	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 181	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 182	{.str = "period", .field = PERF_OUTPUT_PERIOD},
 183	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
 184	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
 185	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 186	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 187	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 188	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 189	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 190	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 191	{.str = "insn", .field = PERF_OUTPUT_INSN},
 192	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 193	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 194	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 195	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
 196	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 197	{.str = "metric", .field = PERF_OUTPUT_METRIC},
 198	{.str = "misc", .field = PERF_OUTPUT_MISC},
 199	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 200	{.str = "ipc", .field = PERF_OUTPUT_IPC},
 201	{.str = "tod", .field = PERF_OUTPUT_TOD},
 202	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 203	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 204	{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
 205	{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
 206	{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
 207	{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
 208	{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
 209	{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
 210};
 211
 212enum {
 213	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 214	OUTPUT_TYPE_OTHER,
 215	OUTPUT_TYPE_MAX
 216};
 217
 218/* default set to maintain compatibility with current format */
 219static struct {
 220	bool user_set;
 221	bool wildcard_set;
 222	unsigned int print_ip_opts;
 223	u64 fields;
 224	u64 invalid_fields;
 225	u64 user_set_fields;
 226	u64 user_unset_fields;
 227} output[OUTPUT_TYPE_MAX] = {
 228
 229	[PERF_TYPE_HARDWARE] = {
 230		.user_set = false,
 231
 232		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 233			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 234			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 235			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 236			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 237
 238		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 239	},
 240
 241	[PERF_TYPE_SOFTWARE] = {
 242		.user_set = false,
 243
 244		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 245			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 246			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 247			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 248			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 249			      PERF_OUTPUT_BPF_OUTPUT,
 250
 251		.invalid_fields = PERF_OUTPUT_TRACE,
 252	},
 253
 254	[PERF_TYPE_TRACEPOINT] = {
 255		.user_set = false,
 256
 257		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 258				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 259				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 260	},
 261
 262	[PERF_TYPE_HW_CACHE] = {
 263		.user_set = false,
 264
 265		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 266			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 267			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 268			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 269			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 270
 271		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 272	},
 273
 274	[PERF_TYPE_RAW] = {
 275		.user_set = false,
 276
 277		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 278			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 279			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 280			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 281			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 282			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 283			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 284			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
 285			      PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
 286
 287		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 288	},
 289
 290	[PERF_TYPE_BREAKPOINT] = {
 291		.user_set = false,
 292
 293		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 294			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 295			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 296			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 297			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 298
 299		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 300	},
 301
 302	[OUTPUT_TYPE_SYNTH] = {
 303		.user_set = false,
 304
 305		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 306			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 307			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 308			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 309			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 310
 311		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 312	},
 313
 314	[OUTPUT_TYPE_OTHER] = {
 315		.user_set = false,
 316
 317		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 318			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 319			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 320			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 321			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 322
 323		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 324	},
 325};
 326
 327struct evsel_script {
 328       char *filename;
 329       FILE *fp;
 330       u64  samples;
 331       /* For metric output */
 332       u64  val;
 333       int  gnum;
 334};
 335
 336static inline struct evsel_script *evsel_script(struct evsel *evsel)
 337{
 338	return (struct evsel_script *)evsel->priv;
 339}
 340
 341static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 342{
 343	struct evsel_script *es = zalloc(sizeof(*es));
 344
 345	if (es != NULL) {
 346		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 347			goto out_free;
 348		es->fp = fopen(es->filename, "w");
 349		if (es->fp == NULL)
 350			goto out_free_filename;
 351	}
 352
 353	return es;
 354out_free_filename:
 355	zfree(&es->filename);
 356out_free:
 357	free(es);
 358	return NULL;
 359}
 360
 361static void evsel_script__delete(struct evsel_script *es)
 362{
 363	zfree(&es->filename);
 364	fclose(es->fp);
 365	es->fp = NULL;
 366	free(es);
 367}
 368
 369static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 370{
 371	struct stat st;
 372
 373	fstat(fileno(es->fp), &st);
 374	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 375		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 376}
 377
 378static inline int output_type(unsigned int type)
 379{
 380	switch (type) {
 381	case PERF_TYPE_SYNTH:
 382		return OUTPUT_TYPE_SYNTH;
 383	default:
 384		if (type < PERF_TYPE_MAX)
 385			return type;
 386	}
 387
 388	return OUTPUT_TYPE_OTHER;
 389}
 390
 391static bool output_set_by_user(void)
 392{
 393	int j;
 394	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 395		if (output[j].user_set)
 396			return true;
 397	}
 398	return false;
 399}
 400
 401static const char *output_field2str(enum perf_output_field field)
 402{
 403	int i, imax = ARRAY_SIZE(all_output_options);
 404	const char *str = "";
 405
 406	for (i = 0; i < imax; ++i) {
 407		if (all_output_options[i].field == field) {
 408			str = all_output_options[i].str;
 409			break;
 410		}
 411	}
 412	return str;
 413}
 414
 415#define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 416
 417static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 418				 enum perf_output_field field, bool allow_user_set)
 
 419{
 420	struct perf_event_attr *attr = &evsel->core.attr;
 421	int type = output_type(attr->type);
 422	const char *evname;
 423
 424	if (attr->sample_type & sample_type)
 425		return 0;
 426
 427	if (output[type].user_set_fields & field) {
 428		if (allow_user_set)
 429			return 0;
 430		evname = evsel__name(evsel);
 431		pr_err("Samples for '%s' event do not have %s attribute set. "
 432		       "Cannot print '%s' field.\n",
 433		       evname, sample_msg, output_field2str(field));
 434		return -1;
 435	}
 436
 437	/* user did not ask for it explicitly so remove from the default list */
 438	output[type].fields &= ~field;
 439	evname = evsel__name(evsel);
 440	pr_debug("Samples for '%s' event do not have %s attribute set. "
 441		 "Skipping '%s' field.\n",
 442		 evname, sample_msg, output_field2str(field));
 443
 444	return 0;
 445}
 446
 447static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 448			      enum perf_output_field field)
 449{
 450	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 451}
 452
 453static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 454{
 455	struct perf_event_attr *attr = &evsel->core.attr;
 456	bool allow_user_set;
 457
 458	if (evsel__is_dummy_event(evsel))
 459		return 0;
 460
 461	if (perf_header__has_feat(&session->header, HEADER_STAT))
 462		return 0;
 463
 464	allow_user_set = perf_header__has_feat(&session->header,
 465					       HEADER_AUXTRACE);
 466
 467	if (PRINT_FIELD(TRACE) &&
 468	    !perf_session__has_traces(session, "record -R"))
 469		return -EINVAL;
 470
 471	if (PRINT_FIELD(IP)) {
 472		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 
 473			return -EINVAL;
 
 
 
 
 474	}
 475
 476	if (PRINT_FIELD(ADDR) &&
 477	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 478		return -EINVAL;
 479
 480	if (PRINT_FIELD(DATA_SRC) &&
 481	    evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
 482		return -EINVAL;
 483
 484	if (PRINT_FIELD(WEIGHT) &&
 485	    evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
 486		return -EINVAL;
 487
 488	if (PRINT_FIELD(SYM) &&
 489	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 490		pr_err("Display of symbols requested but neither sample IP nor "
 491			   "sample address\navailable. Hence, no addresses to convert "
 492		       "to symbols.\n");
 493		return -EINVAL;
 494	}
 495	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 496		pr_err("Display of offsets requested but symbol is not"
 497		       "selected.\n");
 498		return -EINVAL;
 499	}
 500	if (PRINT_FIELD(DSO) &&
 501	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 502		pr_err("Display of DSO requested but no address to convert.\n");
 503		return -EINVAL;
 504	}
 505	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 506		pr_err("Display of source line number requested but sample IP is not\n"
 507		       "selected. Hence, no address to lookup the source line number.\n");
 508		return -EINVAL;
 509	}
 510	if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
 511	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 512		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 513		       "Hint: run 'perf record -b ...'\n");
 514		return -EINVAL;
 515	}
 
 516	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 517	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 
 518		return -EINVAL;
 519
 520	if (PRINT_FIELD(TIME) &&
 521	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 
 522		return -EINVAL;
 523
 524	if (PRINT_FIELD(CPU) &&
 525	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 526		return -EINVAL;
 527
 528	if (PRINT_FIELD(IREGS) &&
 529	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 530		return -EINVAL;
 531
 532	if (PRINT_FIELD(UREGS) &&
 533	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 534		return -EINVAL;
 535
 536	if (PRINT_FIELD(PHYS_ADDR) &&
 537	    evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
 538		return -EINVAL;
 539
 540	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 541	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 542		return -EINVAL;
 543
 544	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 545	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 546		return -EINVAL;
 547
 548	if (PRINT_FIELD(INS_LAT) &&
 549	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
 550		return -EINVAL;
 551
 552	if (PRINT_FIELD(CGROUP) &&
 553	    evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
 554		pr_err("Hint: run 'perf record --all-cgroups ...'\n");
 555		return -EINVAL;
 556	}
 557
 558	if (PRINT_FIELD(RETIRE_LAT) &&
 559	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
 560		return -EINVAL;
 561
 562	return 0;
 563}
 564
 565static void set_print_ip_opts(struct perf_event_attr *attr)
 566{
 567	unsigned int type = output_type(attr->type);
 568
 569	output[type].print_ip_opts = 0;
 570	if (PRINT_FIELD(IP))
 571		output[type].print_ip_opts |= EVSEL__PRINT_IP;
 572
 573	if (PRINT_FIELD(SYM))
 574		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 575
 576	if (PRINT_FIELD(DSO))
 577		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 578
 579	if (PRINT_FIELD(DSOFF))
 580		output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
 581
 582	if (PRINT_FIELD(SYMOFFSET))
 583		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 584
 585	if (PRINT_FIELD(SRCLINE))
 586		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 587}
 588
 589static struct evsel *find_first_output_type(struct evlist *evlist,
 590					    unsigned int type)
 591{
 592	struct evsel *evsel;
 593
 594	evlist__for_each_entry(evlist, evsel) {
 595		if (evsel__is_dummy_event(evsel))
 596			continue;
 597		if (output_type(evsel->core.attr.type) == (int)type)
 598			return evsel;
 599	}
 600	return NULL;
 601}
 602
 603/*
 604 * verify all user requested events exist and the samples
 605 * have the expected data
 606 */
 607static int perf_session__check_output_opt(struct perf_session *session)
 608{
 609	bool tod = false;
 610	unsigned int j;
 611	struct evsel *evsel;
 612
 613	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 614		evsel = find_first_output_type(session->evlist, j);
 615
 616		/*
 617		 * even if fields is set to 0 (ie., show nothing) event must
 618		 * exist if user explicitly includes it on the command line
 619		 */
 620		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 621		    j != OUTPUT_TYPE_SYNTH) {
 622			pr_err("%s events do not exist. "
 623			       "Remove corresponding -F option to proceed.\n",
 624			       event_type(j));
 625			return -1;
 626		}
 627
 628		if (evsel && output[j].fields &&
 629			evsel__check_attr(evsel, session))
 630			return -1;
 631
 632		if (evsel == NULL)
 633			continue;
 634
 635		/* 'dsoff' implys 'dso' field */
 636		if (output[j].fields & PERF_OUTPUT_DSOFF)
 637			output[j].fields |= PERF_OUTPUT_DSO;
 638
 639		set_print_ip_opts(&evsel->core.attr);
 640		tod |= output[j].fields & PERF_OUTPUT_TOD;
 641	}
 642
 643	if (!no_callchain) {
 644		bool use_callchain = false;
 645		bool not_pipe = false;
 646
 647		evlist__for_each_entry(session->evlist, evsel) {
 648			not_pipe = true;
 649			if (evsel__has_callchain(evsel)) {
 650				use_callchain = true;
 651				break;
 652			}
 653		}
 654		if (not_pipe && !use_callchain)
 655			symbol_conf.use_callchain = false;
 656	}
 657
 658	/*
 659	 * set default for tracepoints to print symbols only
 660	 * if callchains are present
 661	 */
 662	if (symbol_conf.use_callchain &&
 663	    !output[PERF_TYPE_TRACEPOINT].user_set) {
 664		j = PERF_TYPE_TRACEPOINT;
 665
 666		evlist__for_each_entry(session->evlist, evsel) {
 667			if (evsel->core.attr.type != j)
 668				continue;
 669
 670			if (evsel__has_callchain(evsel)) {
 671				output[j].fields |= PERF_OUTPUT_IP;
 672				output[j].fields |= PERF_OUTPUT_SYM;
 673				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 674				output[j].fields |= PERF_OUTPUT_DSO;
 675				set_print_ip_opts(&evsel->core.attr);
 676				goto out;
 677			}
 678		}
 679	}
 680
 681	if (tod && !session->header.env.clock.enabled) {
 682		pr_err("Can't provide 'tod' time, missing clock data. "
 683		       "Please record with -k/--clockid option.\n");
 684		return -1;
 685	}
 686out:
 687	return 0;
 688}
 689
 690static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
 691				     FILE *fp)
 692{
 693	unsigned i = 0, r;
 694	int printed = 0;
 695
 696	if (!regs || !regs->regs)
 697		return 0;
 698
 699	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 700
 701	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 702		u64 val = regs->regs[i++];
 703		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
 704	}
 705
 706	return printed;
 707}
 708
 709#define DEFAULT_TOD_FMT "%F %H:%M:%S"
 710
 711static char*
 712tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 713	     u64 timestamp)
 714{
 715	u64 tod_ns, clockid_ns;
 716	struct perf_env *env;
 717	unsigned long nsec;
 718	struct tm ltime;
 719	char date[64];
 720	time_t sec;
 721
 722	buf[0] = '\0';
 723	if (buflen < 64 || !script)
 724		return buf;
 725
 726	env = &script->session->header.env;
 727	if (!env->clock.enabled) {
 728		scnprintf(buf, buflen, "disabled");
 729		return buf;
 730	}
 731
 732	clockid_ns = env->clock.clockid_ns;
 733	tod_ns     = env->clock.tod_ns;
 734
 735	if (timestamp > clockid_ns)
 736		tod_ns += timestamp - clockid_ns;
 737	else
 738		tod_ns -= clockid_ns - timestamp;
 739
 740	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 741	nsec = tod_ns - sec * NSEC_PER_SEC;
 742
 743	if (localtime_r(&sec, &ltime) == NULL) {
 744		scnprintf(buf, buflen, "failed");
 745	} else {
 746		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 747
 748		if (symbol_conf.nanosecs) {
 749			snprintf(buf, buflen, "%s.%09lu", date, nsec);
 750		} else {
 751			snprintf(buf, buflen, "%s.%06lu",
 752				 date, nsec / NSEC_PER_USEC);
 753		}
 754	}
 755
 756	return buf;
 757}
 758
 759static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 760				      struct perf_event_attr *attr, const char *arch, FILE *fp)
 761{
 762	return perf_sample__fprintf_regs(&sample->intr_regs,
 763					 attr->sample_regs_intr, arch, fp);
 764}
 765
 766static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 767				      struct perf_event_attr *attr, const char *arch, FILE *fp)
 768{
 769	return perf_sample__fprintf_regs(&sample->user_regs,
 770					 attr->sample_regs_user, arch, fp);
 771}
 772
 773static int perf_sample__fprintf_start(struct perf_script *script,
 774				      struct perf_sample *sample,
 775				      struct thread *thread,
 776				      struct evsel *evsel,
 777				      u32 type, FILE *fp)
 778{
 779	struct perf_event_attr *attr = &evsel->core.attr;
 780	unsigned long secs;
 
 781	unsigned long long nsecs;
 782	int printed = 0;
 783	char tstr[128];
 784
 785	if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
 786		printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
 787
 788	/* Print VCPU only for guest events i.e. with machine_pid */
 789	if (PRINT_FIELD(VCPU) && sample->machine_pid)
 790		printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
 791
 792	if (PRINT_FIELD(COMM)) {
 793		const char *comm = thread ? thread__comm_str(thread) : ":-1";
 794
 795		if (latency_format)
 796			printed += fprintf(fp, "%8.8s ", comm);
 797		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 798			printed += fprintf(fp, "%s ", comm);
 799		else
 800			printed += fprintf(fp, "%16s ", comm);
 801	}
 802
 803	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 804		printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
 805	else if (PRINT_FIELD(PID))
 806		printed += fprintf(fp, "%7d ", sample->pid);
 807	else if (PRINT_FIELD(TID))
 808		printed += fprintf(fp, "%7d ", sample->tid);
 809
 810	if (PRINT_FIELD(CPU)) {
 811		if (latency_format)
 812			printed += fprintf(fp, "%3d ", sample->cpu);
 813		else
 814			printed += fprintf(fp, "[%03d] ", sample->cpu);
 815	}
 816
 817	if (PRINT_FIELD(MISC)) {
 818		int ret = 0;
 819
 820		#define has(m) \
 821			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 822
 823		if (has(KERNEL))
 824			ret += fprintf(fp, "K");
 825		if (has(USER))
 826			ret += fprintf(fp, "U");
 827		if (has(HYPERVISOR))
 828			ret += fprintf(fp, "H");
 829		if (has(GUEST_KERNEL))
 830			ret += fprintf(fp, "G");
 831		if (has(GUEST_USER))
 832			ret += fprintf(fp, "g");
 833
 834		switch (type) {
 835		case PERF_RECORD_MMAP:
 836		case PERF_RECORD_MMAP2:
 837			if (has(MMAP_DATA))
 838				ret += fprintf(fp, "M");
 839			break;
 840		case PERF_RECORD_COMM:
 841			if (has(COMM_EXEC))
 842				ret += fprintf(fp, "E");
 843			break;
 844		case PERF_RECORD_SWITCH:
 845		case PERF_RECORD_SWITCH_CPU_WIDE:
 846			if (has(SWITCH_OUT)) {
 847				ret += fprintf(fp, "S");
 848				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 849					ret += fprintf(fp, "p");
 850			}
 851		default:
 852			break;
 853		}
 854
 855		#undef has
 856
 857		ret += fprintf(fp, "%*s", 6 - ret, " ");
 858		printed += ret;
 859	}
 860
 861	if (PRINT_FIELD(TOD)) {
 862		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 863		printed += fprintf(fp, "%s ", tstr);
 864	}
 865
 866	if (PRINT_FIELD(TIME)) {
 867		u64 t = sample->time;
 868		if (reltime) {
 869			if (!initial_time)
 870				initial_time = sample->time;
 871			t = sample->time - initial_time;
 872		} else if (deltatime) {
 873			if (previous_time)
 874				t = sample->time - previous_time;
 875			else {
 876				t = 0;
 877			}
 878			previous_time = sample->time;
 879		}
 880		nsecs = t;
 881		secs = nsecs / NSEC_PER_SEC;
 882		nsecs -= secs * NSEC_PER_SEC;
 883
 884		if (symbol_conf.nanosecs)
 885			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 886		else {
 887			char sample_time[32];
 888			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 889			printed += fprintf(fp, "%12s: ", sample_time);
 890		}
 891	}
 892
 893	return printed;
 894}
 895
 896static inline char
 897mispred_str(struct branch_entry *br)
 898{
 899	if (!(br->flags.mispred  || br->flags.predicted))
 900		return '-';
 901
 902	return br->flags.predicted ? 'P' : 'M';
 903}
 904
 905static int print_bstack_flags(FILE *fp, struct branch_entry *br)
 906{
 907	return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
 908		       mispred_str(br),
 909		       br->flags.in_tx ? 'X' : '-',
 910		       br->flags.abort ? 'A' : '-',
 911		       br->flags.cycles,
 912		       get_branch_type(br),
 913		       br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
 914}
 915
 916static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 917					struct thread *thread,
 918					struct perf_event_attr *attr, FILE *fp)
 919{
 920	struct branch_stack *br = sample->branch_stack;
 921	struct branch_entry *entries = perf_sample__branch_entries(sample);
 922	u64 i, from, to;
 923	int printed = 0;
 924
 925	if (!(br && br->nr))
 926		return 0;
 927
 928	for (i = 0; i < br->nr; i++) {
 929		from = entries[i].from;
 930		to   = entries[i].to;
 931
 932		printed += fprintf(fp, " 0x%"PRIx64, from);
 933		if (PRINT_FIELD(DSO)) {
 934			struct addr_location alf, alt;
 935
 936			addr_location__init(&alf);
 937			addr_location__init(&alt);
 938			thread__find_map_fb(thread, sample->cpumode, from, &alf);
 939			thread__find_map_fb(thread, sample->cpumode, to, &alt);
 940
 941			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
 942			printed += fprintf(fp, "/0x%"PRIx64, to);
 943			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
 944			addr_location__exit(&alt);
 945			addr_location__exit(&alf);
 946		} else
 947			printed += fprintf(fp, "/0x%"PRIx64, to);
 948
 949		printed += print_bstack_flags(fp, entries + i);
 950	}
 951
 952	return printed;
 953}
 954
 955static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 956					   struct thread *thread,
 957					   struct perf_event_attr *attr, FILE *fp)
 958{
 959	struct branch_stack *br = sample->branch_stack;
 960	struct branch_entry *entries = perf_sample__branch_entries(sample);
 961	u64 i, from, to;
 962	int printed = 0;
 
 963
 964	if (!(br && br->nr))
 965		return 0;
 966
 967	for (i = 0; i < br->nr; i++) {
 968		struct addr_location alf, alt;
 969
 970		addr_location__init(&alf);
 971		addr_location__init(&alt);
 972		from = entries[i].from;
 973		to   = entries[i].to;
 974
 975		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 976		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 977
 978		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 979		if (PRINT_FIELD(DSO))
 980			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
 981		printed += fprintf(fp, "%c", '/');
 982		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 983		if (PRINT_FIELD(DSO))
 984			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
 985		printed += print_bstack_flags(fp, entries + i);
 986		addr_location__exit(&alt);
 987		addr_location__exit(&alf);
 988	}
 989
 990	return printed;
 991}
 992
 993static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 994					   struct thread *thread,
 995					   struct perf_event_attr *attr, FILE *fp)
 996{
 997	struct branch_stack *br = sample->branch_stack;
 998	struct branch_entry *entries = perf_sample__branch_entries(sample);
 999	u64 i, from, to;
1000	int printed = 0;
1001
1002	if (!(br && br->nr))
1003		return 0;
1004
1005	for (i = 0; i < br->nr; i++) {
1006		struct addr_location alf, alt;
1007
1008		addr_location__init(&alf);
1009		addr_location__init(&alt);
1010		from = entries[i].from;
1011		to   = entries[i].to;
1012
1013		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1014		    !map__dso(alf.map)->adjust_symbols)
1015			from = map__dso_map_ip(alf.map, from);
1016
1017		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1018		    !map__dso(alt.map)->adjust_symbols)
1019			to = map__dso_map_ip(alt.map, to);
1020
1021		printed += fprintf(fp, " 0x%"PRIx64, from);
1022		if (PRINT_FIELD(DSO))
1023			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1024		printed += fprintf(fp, "/0x%"PRIx64, to);
1025		if (PRINT_FIELD(DSO))
1026			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1027		printed += print_bstack_flags(fp, entries + i);
1028		addr_location__exit(&alt);
1029		addr_location__exit(&alf);
1030	}
1031
1032	return printed;
1033}
1034#define MAXBB 16384UL
1035
1036static int grab_bb(u8 *buffer, u64 start, u64 end,
1037		    struct machine *machine, struct thread *thread,
1038		    bool *is64bit, u8 *cpumode, bool last)
 
 
1039{
1040	long offset, len;
1041	struct addr_location al;
1042	bool kernel;
1043	struct dso *dso;
1044	int ret = 0;
1045
1046	if (!start || !end)
1047		return 0;
1048
1049	kernel = machine__kernel_ip(machine, start);
1050	if (kernel)
1051		*cpumode = PERF_RECORD_MISC_KERNEL;
1052	else
1053		*cpumode = PERF_RECORD_MISC_USER;
1054
1055	/*
1056	 * Block overlaps between kernel and user.
1057	 * This can happen due to ring filtering
1058	 * On Intel CPUs the entry into the kernel is filtered,
1059	 * but the exit is not. Let the caller patch it up.
1060	 */
1061	if (kernel != machine__kernel_ip(machine, end)) {
1062		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1063		return -ENXIO;
1064	}
1065
1066	if (end - start > MAXBB - MAXINSN) {
1067		if (last)
1068			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1069		else
1070			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1071		return 0;
1072	}
1073
1074	addr_location__init(&al);
1075	if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1076		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1077		goto out;
1078	}
1079	if (dso->data.status == DSO_DATA_STATUS_ERROR) {
1080		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1081		goto out;
1082	}
1083
1084	/* Load maps to ensure dso->is_64_bit has been updated */
1085	map__load(al.map);
1086
1087	offset = map__map_ip(al.map, start);
1088	len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1089				    end - start + MAXINSN);
1090
1091	*is64bit = dso->is_64_bit;
1092	if (len <= 0)
1093		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1094			start, end);
1095	ret = len;
1096out:
1097	addr_location__exit(&al);
1098	return ret;
1099}
1100
1101static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1102{
1103	char *srcfile;
1104	int ret = 0;
1105	unsigned line;
1106	int len;
1107	char *srccode;
1108	struct dso *dso;
1109
1110	if (!map || (dso = map__dso(map)) == NULL)
1111		return 0;
1112	srcfile = get_srcline_split(dso,
1113				    map__rip_2objdump(map, addr),
1114				    &line);
1115	if (!srcfile)
1116		return 0;
1117
1118	/* Avoid redundant printing */
1119	if (state &&
1120	    state->srcfile &&
1121	    !strcmp(state->srcfile, srcfile) &&
1122	    state->line == line) {
1123		free(srcfile);
1124		return 0;
1125	}
1126
1127	srccode = find_sourceline(srcfile, line, &len);
1128	if (!srccode)
1129		goto out_free_line;
1130
1131	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1132
1133	if (state) {
1134		state->srcfile = srcfile;
1135		state->line = line;
1136	}
1137	return ret;
1138
1139out_free_line:
1140	free(srcfile);
1141	return ret;
1142}
1143
1144static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1145{
1146	struct addr_location al;
1147	int ret = 0;
1148
1149	addr_location__init(&al);
1150	thread__find_map(thread, cpumode, addr, &al);
1151	if (!al.map)
1152		goto out;
1153	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1154				   thread__srccode_state(thread));
1155	if (ret)
1156		ret += printf("\n");
1157out:
1158	addr_location__exit(&al);
1159	return ret;
1160}
1161
1162static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1163			    struct perf_insn *x, u8 *inbuf, int len,
1164			    int insn, FILE *fp, int *total_cycles,
1165			    struct perf_event_attr *attr)
1166{
1167	int ilen = 0;
1168	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
1169			      dump_insn(x, ip, inbuf, len, &ilen));
1170
1171	if (PRINT_FIELD(BRSTACKINSNLEN))
1172		printed += fprintf(fp, "ilen: %d\t", ilen);
1173
1174	printed += fprintf(fp, "#%s%s%s%s",
1175			      en->flags.predicted ? " PRED" : "",
1176			      en->flags.mispred ? " MISPRED" : "",
1177			      en->flags.in_tx ? " INTX" : "",
1178			      en->flags.abort ? " ABORT" : "");
1179	if (en->flags.cycles) {
1180		*total_cycles += en->flags.cycles;
1181		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1182		if (insn)
1183			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1184	}
1185	return printed + fprintf(fp, "\n");
1186}
1187
1188static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1189			   u8 cpumode, int cpu, struct symbol **lastsym,
1190			   struct perf_event_attr *attr, FILE *fp)
1191{
1192	struct addr_location al;
1193	int off, printed = 0, ret = 0;
1194
1195	addr_location__init(&al);
1196	thread__find_map(thread, cpumode, addr, &al);
1197
1198	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1199		goto out;
1200
1201	al.cpu = cpu;
1202	al.sym = NULL;
1203	if (al.map)
1204		al.sym = map__find_symbol(al.map, al.addr);
1205
1206	if (!al.sym)
1207		goto out;
1208
1209	if (al.addr < al.sym->end)
1210		off = al.addr - al.sym->start;
1211	else
1212		off = al.addr - map__start(al.map) - al.sym->start;
1213	printed += fprintf(fp, "\t%s", al.sym->name);
1214	if (off)
1215		printed += fprintf(fp, "%+d", off);
1216	printed += fprintf(fp, ":");
1217	if (PRINT_FIELD(SRCLINE))
1218		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1219	printed += fprintf(fp, "\n");
1220	*lastsym = al.sym;
1221
1222	ret = printed;
1223out:
1224	addr_location__exit(&al);
1225	return ret;
1226}
1227
1228static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1229					    struct thread *thread,
1230					    struct perf_event_attr *attr,
1231					    struct machine *machine, FILE *fp)
1232{
1233	struct branch_stack *br = sample->branch_stack;
1234	struct branch_entry *entries = perf_sample__branch_entries(sample);
1235	u64 start, end;
1236	int i, insn, len, nr, ilen, printed = 0;
1237	struct perf_insn x;
1238	u8 buffer[MAXBB];
1239	unsigned off;
1240	struct symbol *lastsym = NULL;
1241	int total_cycles = 0;
1242
1243	if (!(br && br->nr))
1244		return 0;
1245	nr = br->nr;
1246	if (max_blocks && nr > max_blocks + 1)
1247		nr = max_blocks + 1;
1248
1249	x.thread = thread;
1250	x.cpu = sample->cpu;
1251
1252	printed += fprintf(fp, "%c", '\n');
1253
1254	/* Handle first from jump, of which we don't know the entry. */
1255	len = grab_bb(buffer, entries[nr-1].from,
1256			entries[nr-1].from,
1257			machine, thread, &x.is64bit, &x.cpumode, false);
1258	if (len > 0) {
1259		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1260					   x.cpumode, x.cpu, &lastsym, attr, fp);
1261		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1262					    &x, buffer, len, 0, fp, &total_cycles,
1263					    attr);
1264		if (PRINT_FIELD(SRCCODE))
1265			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1266	}
1267
1268	/* Print all blocks */
1269	for (i = nr - 2; i >= 0; i--) {
1270		if (entries[i].from || entries[i].to)
1271			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1272				 entries[i].from,
1273				 entries[i].to);
1274		start = entries[i + 1].to;
1275		end   = entries[i].from;
1276
1277		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1278		/* Patch up missing kernel transfers due to ring filters */
1279		if (len == -ENXIO && i > 0) {
1280			end = entries[--i].from;
1281			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1282			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1283		}
1284		if (len <= 0)
1285			continue;
1286
1287		insn = 0;
1288		for (off = 0; off < (unsigned)len; off += ilen) {
1289			uint64_t ip = start + off;
1290
1291			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1292			if (ip == end) {
1293				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1294							    &total_cycles, attr);
1295				if (PRINT_FIELD(SRCCODE))
1296					printed += print_srccode(thread, x.cpumode, ip);
1297				break;
1298			} else {
1299				ilen = 0;
1300				printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
1301						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1302				if (PRINT_FIELD(BRSTACKINSNLEN))
1303					printed += fprintf(fp, "\tilen: %d", ilen);
1304				printed += fprintf(fp, "\n");
1305				if (ilen == 0)
1306					break;
1307				if (PRINT_FIELD(SRCCODE))
1308					print_srccode(thread, x.cpumode, ip);
1309				insn++;
1310			}
1311		}
1312		if (off != end - start)
1313			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1314	}
1315
1316	/*
1317	 * Hit the branch? In this case we are already done, and the target
1318	 * has not been executed yet.
1319	 */
1320	if (entries[0].from == sample->ip)
1321		goto out;
1322	if (entries[0].flags.abort)
1323		goto out;
1324
1325	/*
1326	 * Print final block up to sample
1327	 *
1328	 * Due to pipeline delays the LBRs might be missing a branch
1329	 * or two, which can result in very large or negative blocks
1330	 * between final branch and sample. When this happens just
1331	 * continue walking after the last TO until we hit a branch.
1332	 */
1333	start = entries[0].to;
1334	end = sample->ip;
1335	if (end < start) {
1336		/* Missing jump. Scan 128 bytes for the next branch */
1337		end = start + 128;
1338	}
1339	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1340	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1341	if (len <= 0) {
1342		/* Print at least last IP if basic block did not work */
1343		len = grab_bb(buffer, sample->ip, sample->ip,
1344			      machine, thread, &x.is64bit, &x.cpumode, false);
1345		if (len <= 0)
1346			goto out;
1347		ilen = 0;
1348		printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
1349			dump_insn(&x, sample->ip, buffer, len, &ilen));
1350		if (PRINT_FIELD(BRSTACKINSNLEN))
1351			printed += fprintf(fp, "\tilen: %d", ilen);
1352		printed += fprintf(fp, "\n");
1353		if (PRINT_FIELD(SRCCODE))
1354			print_srccode(thread, x.cpumode, sample->ip);
1355		goto out;
1356	}
1357	for (off = 0; off <= end - start; off += ilen) {
1358		ilen = 0;
1359		printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
1360				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1361		if (PRINT_FIELD(BRSTACKINSNLEN))
1362			printed += fprintf(fp, "\tilen: %d", ilen);
1363		printed += fprintf(fp, "\n");
1364		if (ilen == 0)
1365			break;
1366		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1367			/*
1368			 * Hit a missing branch. Just stop.
1369			 */
1370			printed += fprintf(fp, "\t... not reaching sample ...\n");
1371			break;
1372		}
1373		if (PRINT_FIELD(SRCCODE))
1374			print_srccode(thread, x.cpumode, start + off);
1375	}
1376out:
1377	return printed;
1378}
1379
1380static int perf_sample__fprintf_addr(struct perf_sample *sample,
1381				     struct thread *thread,
1382				     struct perf_event_attr *attr, FILE *fp)
1383{
1384	struct addr_location al;
1385	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1386
1387	addr_location__init(&al);
1388	if (!sample_addr_correlates_sym(attr))
1389		goto out;
1390
1391	thread__resolve(thread, &al, sample);
1392
1393	if (PRINT_FIELD(SYM)) {
1394		printed += fprintf(fp, " ");
1395		if (PRINT_FIELD(SYMOFFSET))
1396			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1397		else
1398			printed += symbol__fprintf_symname(al.sym, fp);
 
 
1399	}
1400
1401	if (PRINT_FIELD(DSO))
1402		printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
1403out:
1404	addr_location__exit(&al);
1405	return printed;
1406}
1407
1408static const char *resolve_branch_sym(struct perf_sample *sample,
1409				      struct evsel *evsel,
1410				      struct thread *thread,
1411				      struct addr_location *al,
1412				      struct addr_location *addr_al,
1413				      u64 *ip)
1414{
1415	struct perf_event_attr *attr = &evsel->core.attr;
1416	const char *name = NULL;
1417
1418	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1419		if (sample_addr_correlates_sym(attr)) {
1420			if (!addr_al->thread)
1421				thread__resolve(thread, addr_al, sample);
1422			if (addr_al->sym)
1423				name = addr_al->sym->name;
1424			else
1425				*ip = sample->addr;
1426		} else {
1427			*ip = sample->addr;
1428		}
1429	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1430		if (al->sym)
1431			name = al->sym->name;
1432		else
1433			*ip = sample->ip;
1434	}
1435	return name;
1436}
1437
1438static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1439					   struct evsel *evsel,
1440					   struct thread *thread,
1441					   struct addr_location *al,
1442					   struct addr_location *addr_al,
1443					   FILE *fp)
1444{
1445	struct perf_event_attr *attr = &evsel->core.attr;
1446	size_t depth = thread_stack__depth(thread, sample->cpu);
1447	const char *name = NULL;
1448	static int spacing;
1449	int len = 0;
1450	int dlen = 0;
1451	u64 ip = 0;
1452
1453	/*
1454	 * The 'return' has already been popped off the stack so the depth has
1455	 * to be adjusted to match the 'call'.
1456	 */
1457	if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1458		depth += 1;
1459
1460	name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1461
1462	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1463		dlen += fprintf(fp, "(");
1464		dlen += map__fprintf_dsoname(al->map, fp);
1465		dlen += fprintf(fp, ")\t");
1466	}
1467
1468	if (name)
1469		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1470	else if (ip)
1471		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1472
1473	if (len < 0)
1474		return len;
1475
1476	/*
1477	 * Try to keep the output length from changing frequently so that the
1478	 * output lines up more nicely.
1479	 */
1480	if (len > spacing || (len && len < spacing - 52))
1481		spacing = round_up(len + 4, 32);
1482
1483	if (len < spacing)
1484		len += fprintf(fp, "%*s", spacing - len, "");
1485
1486	return len + dlen;
1487}
1488
1489__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1490			    struct thread *thread __maybe_unused,
1491			    struct machine *machine __maybe_unused)
 
 
1492{
1493}
1494
1495void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1496		       struct machine *machine)
1497{
1498	if (sample->insn_len == 0 && native_arch)
1499		arch_fetch_insn(sample, thread, machine);
1500}
1501
1502static int perf_sample__fprintf_insn(struct perf_sample *sample,
1503				     struct perf_event_attr *attr,
1504				     struct thread *thread,
1505				     struct machine *machine, FILE *fp)
1506{
1507	int printed = 0;
1508
1509	script_fetch_insn(sample, thread, machine);
 
 
1510
1511	if (PRINT_FIELD(INSNLEN))
1512		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1513	if (PRINT_FIELD(INSN) && sample->insn_len) {
1514		int i;
1515
1516		printed += fprintf(fp, " insn:");
1517		for (i = 0; i < sample->insn_len; i++)
1518			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1519	}
1520	if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
1521		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1522
1523	return printed;
1524}
1525
1526static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1527				    struct perf_event_attr *attr, FILE *fp)
1528{
1529	unsigned int ipc;
1530
1531	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1532		return 0;
1533
1534	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1535
1536	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1537		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1538}
1539
1540static int perf_sample__fprintf_bts(struct perf_sample *sample,
1541				    struct evsel *evsel,
1542				    struct thread *thread,
1543				    struct addr_location *al,
1544				    struct addr_location *addr_al,
1545				    struct machine *machine, FILE *fp)
1546{
1547	struct perf_event_attr *attr = &evsel->core.attr;
1548	unsigned int type = output_type(attr->type);
1549	bool print_srcline_last = false;
1550	int printed = 0;
1551
1552	if (PRINT_FIELD(CALLINDENT))
1553		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1554
1555	/* print branch_from information */
1556	if (PRINT_FIELD(IP)) {
1557		unsigned int print_opts = output[type].print_ip_opts;
1558		struct callchain_cursor *cursor = NULL;
1559
1560		if (symbol_conf.use_callchain && sample->callchain) {
1561			cursor = get_tls_callchain_cursor();
1562			if (thread__resolve_callchain(al->thread, cursor, evsel,
1563						      sample, NULL, NULL,
1564						      scripting_max_stack))
1565				cursor = NULL;
1566		}
1567		if (cursor == NULL) {
1568			printed += fprintf(fp, " ");
1569			if (print_opts & EVSEL__PRINT_SRCLINE) {
1570				print_srcline_last = true;
1571				print_opts &= ~EVSEL__PRINT_SRCLINE;
1572			}
1573		} else
1574			printed += fprintf(fp, "\n");
1575
1576		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1577					       symbol_conf.bt_stop_list, fp);
1578	}
1579
1580	/* print branch_to information */
1581	if (PRINT_FIELD(ADDR) ||
1582	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1583	     !output[type].user_set)) {
1584		printed += fprintf(fp, " => ");
1585		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1586	}
1587
1588	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1589
1590	if (print_srcline_last)
1591		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1592
1593	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1594	printed += fprintf(fp, "\n");
1595	if (PRINT_FIELD(SRCCODE)) {
1596		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1597					       thread__srccode_state(thread));
1598		if (ret) {
1599			printed += ret;
1600			printed += printf("\n");
1601		}
1602	}
1603	return printed;
1604}
1605
1606static struct {
1607	u32 flags;
1608	const char *name;
1609} sample_flags[] = {
1610	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1611	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1612	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1613	{PERF_IP_FLAG_BRANCH, "jmp"},
1614	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1615	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1616	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1617	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1618	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1619	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1620	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1621	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1622	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1623	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1624	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1625	{0, NULL}
1626};
1627
1628static const char *sample_flags_to_name(u32 flags)
1629{
1630	int i;
1631
1632	for (i = 0; sample_flags[i].name ; i++) {
1633		if (sample_flags[i].flags == flags)
1634			return sample_flags[i].name;
1635	}
1636
1637	return NULL;
1638}
1639
1640int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1641{
1642	u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1643		 PERF_IP_FLAG_INTR_TOGGLE;
1644	const char *chars = PERF_IP_FLAG_CHARS;
1645	const size_t n = strlen(PERF_IP_FLAG_CHARS);
1646	const char *name = NULL;
1647	size_t i, pos = 0;
1648	char xs[16] = {0};
1649
1650	if (flags & xf)
1651		snprintf(xs, sizeof(xs), "(%s%s%s)",
1652			 flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1653			 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1654			 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1655
1656	name = sample_flags_to_name(flags & ~xf);
1657	if (name)
1658		return snprintf(str, sz, "%-15s%6s", name, xs);
1659
1660	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1661		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1662		if (name)
1663			return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1664	}
1665
1666	if (flags & PERF_IP_FLAG_TRACE_END) {
1667		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1668		if (name)
1669			return snprintf(str, sz, "tr end  %-7s%6s", name, xs);
1670	}
1671
1672	for (i = 0; i < n; i++, flags >>= 1) {
1673		if ((flags & 1) && pos < sz)
1674			str[pos++] = chars[i];
1675	}
1676	for (; i < 32; i++, flags >>= 1) {
1677		if ((flags & 1) && pos < sz)
1678			str[pos++] = '?';
1679	}
1680	if (pos < sz)
1681		str[pos] = 0;
1682
1683	return pos;
1684}
1685
1686static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1687{
1688	char str[SAMPLE_FLAGS_BUF_SIZE];
1689
1690	perf_sample__sprintf_flags(flags, str, sizeof(str));
1691	return fprintf(fp, "  %-21s ", str);
1692}
1693
1694struct printer_data {
1695	int line_no;
1696	bool hit_nul;
1697	bool is_printable;
1698};
1699
1700static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1701				      unsigned int val,
1702				      void *extra, FILE *fp)
1703{
1704	unsigned char ch = (unsigned char)val;
1705	struct printer_data *printer_data = extra;
1706	int printed = 0;
1707
1708	switch (op) {
1709	case BINARY_PRINT_DATA_BEGIN:
1710		printed += fprintf(fp, "\n");
1711		break;
1712	case BINARY_PRINT_LINE_BEGIN:
1713		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1714						        "           ");
1715		break;
1716	case BINARY_PRINT_ADDR:
1717		printed += fprintf(fp, " %04x:", val);
1718		break;
1719	case BINARY_PRINT_NUM_DATA:
1720		printed += fprintf(fp, " %02x", val);
1721		break;
1722	case BINARY_PRINT_NUM_PAD:
1723		printed += fprintf(fp, "   ");
1724		break;
1725	case BINARY_PRINT_SEP:
1726		printed += fprintf(fp, "  ");
1727		break;
1728	case BINARY_PRINT_CHAR_DATA:
1729		if (printer_data->hit_nul && ch)
1730			printer_data->is_printable = false;
1731
1732		if (!isprint(ch)) {
1733			printed += fprintf(fp, "%c", '.');
1734
1735			if (!printer_data->is_printable)
1736				break;
1737
1738			if (ch == '\0')
1739				printer_data->hit_nul = true;
1740			else
1741				printer_data->is_printable = false;
1742		} else {
1743			printed += fprintf(fp, "%c", ch);
1744		}
1745		break;
1746	case BINARY_PRINT_CHAR_PAD:
1747		printed += fprintf(fp, " ");
1748		break;
1749	case BINARY_PRINT_LINE_END:
1750		printed += fprintf(fp, "\n");
1751		printer_data->line_no++;
1752		break;
1753	case BINARY_PRINT_DATA_END:
1754	default:
1755		break;
1756	}
1757
1758	return printed;
1759}
1760
1761static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1762{
1763	unsigned int nr_bytes = sample->raw_size;
1764	struct printer_data printer_data = {0, false, true};
1765	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1766				      sample__fprintf_bpf_output, &printer_data, fp);
1767
1768	if (printer_data.is_printable && printer_data.hit_nul)
1769		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1770
1771	return printed;
1772}
1773
1774static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1775{
1776	if (len > 0 && len < spacing)
1777		return fprintf(fp, "%*s", spacing - len, "");
1778
1779	return 0;
1780}
1781
1782static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1783{
1784	return perf_sample__fprintf_spacing(len, 34, fp);
1785}
1786
1787/* If a value contains only printable ASCII characters padded with NULLs */
1788static bool ptw_is_prt(u64 val)
1789{
1790	char c;
1791	u32 i;
1792
1793	for (i = 0; i < sizeof(val); i++) {
1794		c = ((char *)&val)[i];
1795		if (!c)
1796			break;
1797		if (!isprint(c) || !isascii(c))
1798			return false;
1799	}
1800	for (; i < sizeof(val); i++) {
1801		c = ((char *)&val)[i];
1802		if (c)
1803			return false;
1804	}
1805	return true;
1806}
1807
1808static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1809{
1810	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1811	char str[sizeof(u64) + 1] = "";
1812	int len;
1813	u64 val;
1814
1815	if (perf_sample__bad_synth_size(sample, *data))
1816		return 0;
1817
1818	val = le64_to_cpu(data->payload);
1819	if (ptw_is_prt(val)) {
1820		memcpy(str, &val, sizeof(val));
1821		str[sizeof(val)] = 0;
1822	}
1823	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1824		      data->ip, val, str);
1825	return len + perf_sample__fprintf_pt_spacing(len, fp);
1826}
1827
1828static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1829{
1830	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1831	int len;
1832
1833	if (perf_sample__bad_synth_size(sample, *data))
1834		return 0;
1835
1836	len = fprintf(fp, " hints: %#x extensions: %#x ",
1837		      data->hints, data->extensions);
1838	return len + perf_sample__fprintf_pt_spacing(len, fp);
1839}
1840
1841static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1842{
1843	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1844	int len;
1845
1846	if (perf_sample__bad_synth_size(sample, *data))
1847		return 0;
1848
1849	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1850		      data->hw, data->cstate, data->subcstate);
1851	return len + perf_sample__fprintf_pt_spacing(len, fp);
1852}
1853
1854static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1855{
1856	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1857	int len;
1858
1859	if (perf_sample__bad_synth_size(sample, *data))
1860		return 0;
1861
1862	len = fprintf(fp, " IP: %u ", data->ip);
1863	return len + perf_sample__fprintf_pt_spacing(len, fp);
1864}
1865
1866static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1867{
1868	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1869	int len;
1870
1871	if (perf_sample__bad_synth_size(sample, *data))
1872		return 0;
1873
1874	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1875		     data->deepest_cstate, data->last_cstate,
1876		     data->wake_reason);
1877	return len + perf_sample__fprintf_pt_spacing(len, fp);
1878}
1879
1880static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1881{
1882	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1883	unsigned int percent, freq;
1884	int len;
1885
1886	if (perf_sample__bad_synth_size(sample, *data))
1887		return 0;
1888
1889	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1890	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1891	if (data->max_nonturbo) {
1892		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1893		len += fprintf(fp, "(%3u%%) ", percent);
1894	}
1895	return len + perf_sample__fprintf_pt_spacing(len, fp);
1896}
1897
1898static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1899{
1900	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1901	int len;
1902
1903	if (perf_sample__bad_synth_size(sample, *data))
1904		return 0;
1905
1906	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1907	return len + perf_sample__fprintf_pt_spacing(len, fp);
1908}
1909
1910/* Intel PT Event Trace */
1911static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1912{
1913	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1914	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1915			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1916			       "SHUTDOWN", NULL, "UINTR", "UIRET"};
1917	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1918	const char *s;
1919	int len, i;
1920
1921	if (perf_sample__bad_synth_size(sample, *data))
1922		return 0;
1923
1924	s = cfe[data->type];
1925	if (s) {
1926		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1927			      s, data->ip, data->vector);
1928	} else {
1929		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1930			      data->type, data->ip, data->vector);
1931	}
1932	for (i = 0; i < data->evd_cnt; i++) {
1933		unsigned int et = data->evd[i].evd_type & 0x3f;
1934
1935		s = evd[et];
1936		if (s) {
1937			len += fprintf(fp, " %s: %#" PRIx64,
1938				       s, data->evd[i].payload);
1939		} else {
1940			len += fprintf(fp, " EVD_%u: %#" PRIx64,
1941				       et, data->evd[i].payload);
1942		}
1943	}
1944	return len + perf_sample__fprintf_pt_spacing(len, fp);
1945}
1946
1947static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1948{
1949	struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1950	int len;
1951
1952	if (perf_sample__bad_synth_size(sample, *data))
1953		return 0;
1954
1955	len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
1956		      data->via_branch ? "via" : "non");
1957	return len + perf_sample__fprintf_pt_spacing(len, fp);
1958}
1959
1960static int perf_sample__fprintf_synth(struct perf_sample *sample,
1961				      struct evsel *evsel, FILE *fp)
1962{
1963	switch (evsel->core.attr.config) {
1964	case PERF_SYNTH_INTEL_PTWRITE:
1965		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1966	case PERF_SYNTH_INTEL_MWAIT:
1967		return perf_sample__fprintf_synth_mwait(sample, fp);
1968	case PERF_SYNTH_INTEL_PWRE:
1969		return perf_sample__fprintf_synth_pwre(sample, fp);
1970	case PERF_SYNTH_INTEL_EXSTOP:
1971		return perf_sample__fprintf_synth_exstop(sample, fp);
1972	case PERF_SYNTH_INTEL_PWRX:
1973		return perf_sample__fprintf_synth_pwrx(sample, fp);
1974	case PERF_SYNTH_INTEL_CBR:
1975		return perf_sample__fprintf_synth_cbr(sample, fp);
1976	case PERF_SYNTH_INTEL_PSB:
1977		return perf_sample__fprintf_synth_psb(sample, fp);
1978	case PERF_SYNTH_INTEL_EVT:
1979		return perf_sample__fprintf_synth_evt(sample, fp);
1980	case PERF_SYNTH_INTEL_IFLAG_CHG:
1981		return perf_sample__fprintf_synth_iflag_chg(sample, fp);
1982	default:
1983		break;
1984	}
1985
1986	return 0;
1987}
1988
1989static int evlist__max_name_len(struct evlist *evlist)
1990{
1991	struct evsel *evsel;
1992	int max = 0;
1993
1994	evlist__for_each_entry(evlist, evsel) {
1995		int len = strlen(evsel__name(evsel));
1996
1997		max = MAX(len, max);
1998	}
1999
2000	return max;
2001}
2002
2003static int data_src__fprintf(u64 data_src, FILE *fp)
2004{
2005	struct mem_info mi = { .data_src.val = data_src };
2006	char decode[100];
2007	char out[100];
2008	static int maxlen;
2009	int len;
2010
2011	perf_script__meminfo_scnprintf(decode, 100, &mi);
2012
2013	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2014	if (maxlen < len)
2015		maxlen = len;
2016
2017	return fprintf(fp, "%-*s", maxlen, out);
2018}
2019
2020struct metric_ctx {
2021	struct perf_sample	*sample;
2022	struct thread		*thread;
2023	struct evsel	*evsel;
2024	FILE 			*fp;
2025};
2026
2027static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2028				void *ctx, const char *color,
2029			        const char *fmt,
2030			        const char *unit, double val)
2031{
2032	struct metric_ctx *mctx = ctx;
2033
2034	if (!fmt)
2035		return;
2036	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2037				   PERF_RECORD_SAMPLE, mctx->fp);
2038	fputs("\tmetric: ", mctx->fp);
2039	if (color)
2040		color_fprintf(mctx->fp, color, fmt, val);
2041	else
2042		printf(fmt, val);
2043	fprintf(mctx->fp, " %s\n", unit);
2044}
2045
2046static void script_new_line(struct perf_stat_config *config __maybe_unused,
2047			    void *ctx)
2048{
2049	struct metric_ctx *mctx = ctx;
2050
2051	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2052				   PERF_RECORD_SAMPLE, mctx->fp);
2053	fputs("\tmetric: ", mctx->fp);
2054}
2055
2056static void perf_sample__fprint_metric(struct perf_script *script,
2057				       struct thread *thread,
2058				       struct evsel *evsel,
2059				       struct perf_sample *sample,
2060				       FILE *fp)
2061{
2062	struct evsel *leader = evsel__leader(evsel);
2063	struct perf_stat_output_ctx ctx = {
2064		.print_metric = script_print_metric,
2065		.new_line = script_new_line,
2066		.ctx = &(struct metric_ctx) {
2067				.sample = sample,
2068				.thread = thread,
2069				.evsel  = evsel,
2070				.fp     = fp,
2071			 },
2072		.force_header = false,
2073	};
2074	struct evsel *ev2;
2075	u64 val;
2076
2077	if (!evsel->stats)
2078		evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2079	if (evsel_script(leader)->gnum++ == 0)
2080		perf_stat__reset_shadow_stats();
2081	val = sample->period * evsel->scale;
2082	evsel_script(evsel)->val = val;
2083	if (evsel_script(leader)->gnum == leader->core.nr_members) {
2084		for_each_group_member (ev2, leader) {
2085			perf_stat__print_shadow_stats(&stat_config, ev2,
2086						      evsel_script(ev2)->val,
2087						      sample->cpu,
2088						      &ctx,
2089						      NULL);
2090		}
2091		evsel_script(leader)->gnum = 0;
2092	}
2093}
2094
2095static bool show_event(struct perf_sample *sample,
2096		       struct evsel *evsel,
2097		       struct thread *thread,
2098		       struct addr_location *al,
2099		       struct addr_location *addr_al)
2100{
2101	int depth = thread_stack__depth(thread, sample->cpu);
2102
2103	if (!symbol_conf.graph_function)
2104		return true;
2105
2106	if (thread__filter(thread)) {
2107		if (depth <= thread__filter_entry_depth(thread)) {
2108			thread__set_filter(thread, false);
2109			return false;
2110		}
2111		return true;
2112	} else {
2113		const char *s = symbol_conf.graph_function;
2114		u64 ip;
2115		const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2116				&ip);
2117		unsigned nlen;
2118
2119		if (!name)
2120			return false;
2121		nlen = strlen(name);
2122		while (*s) {
2123			unsigned len = strcspn(s, ",");
2124			if (nlen == len && !strncmp(name, s, len)) {
2125				thread__set_filter(thread, true);
2126				thread__set_filter_entry_depth(thread, depth);
2127				return true;
2128			}
2129			s += len;
2130			if (*s == ',')
2131				s++;
2132		}
2133		return false;
2134	}
2135}
2136
2137static void process_event(struct perf_script *script,
2138			  struct perf_sample *sample, struct evsel *evsel,
2139			  struct addr_location *al,
2140			  struct addr_location *addr_al,
2141			  struct machine *machine)
2142{
2143	struct thread *thread = al->thread;
2144	struct perf_event_attr *attr = &evsel->core.attr;
2145	unsigned int type = output_type(attr->type);
2146	struct evsel_script *es = evsel->priv;
2147	FILE *fp = es->fp;
2148	char str[PAGE_SIZE_NAME_LEN];
2149	const char *arch = perf_env__arch(machine->env);
2150
2151	if (output[type].fields == 0)
2152		return;
2153
2154	++es->samples;
2155
2156	perf_sample__fprintf_start(script, sample, thread, evsel,
2157				   PERF_RECORD_SAMPLE, fp);
2158
2159	if (PRINT_FIELD(PERIOD))
2160		fprintf(fp, "%10" PRIu64 " ", sample->period);
2161
2162	if (PRINT_FIELD(EVNAME)) {
2163		const char *evname = evsel__name(evsel);
2164
2165		if (!script->name_width)
2166			script->name_width = evlist__max_name_len(script->session->evlist);
2167
2168		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2169	}
2170
2171	if (print_flags)
2172		perf_sample__fprintf_flags(sample->flags, fp);
2173
2174	if (is_bts_event(attr)) {
2175		perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2176		return;
2177	}
2178#ifdef HAVE_LIBTRACEEVENT
2179	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2180		event_format__fprintf(evsel->tp_format, sample->cpu,
2181				      sample->raw_data, sample->raw_size, fp);
2182	}
2183#endif
2184	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2185		perf_sample__fprintf_synth(sample, evsel, fp);
2186
2187	if (PRINT_FIELD(ADDR))
2188		perf_sample__fprintf_addr(sample, thread, attr, fp);
2189
2190	if (PRINT_FIELD(DATA_SRC))
2191		data_src__fprintf(sample->data_src, fp);
2192
2193	if (PRINT_FIELD(WEIGHT))
2194		fprintf(fp, "%16" PRIu64, sample->weight);
2195
2196	if (PRINT_FIELD(INS_LAT))
2197		fprintf(fp, "%16" PRIu16, sample->ins_lat);
2198
2199	if (PRINT_FIELD(RETIRE_LAT))
2200		fprintf(fp, "%16" PRIu16, sample->retire_lat);
2201
2202	if (PRINT_FIELD(CGROUP)) {
2203		const char *cgrp_name;
2204		struct cgroup *cgrp = cgroup__find(machine->env,
2205						   sample->cgroup);
2206		if (cgrp != NULL)
2207			cgrp_name = cgrp->name;
2208		else
2209			cgrp_name = "unknown";
2210		fprintf(fp, " %s", cgrp_name);
2211	}
2212
2213	if (PRINT_FIELD(IP)) {
2214		struct callchain_cursor *cursor = NULL;
2215
2216		if (script->stitch_lbr)
2217			thread__set_lbr_stitch_enable(al->thread, true);
2218
2219		if (symbol_conf.use_callchain && sample->callchain) {
2220			cursor = get_tls_callchain_cursor();
2221			if (thread__resolve_callchain(al->thread, cursor, evsel,
2222						      sample, NULL, NULL,
2223						      scripting_max_stack))
2224				cursor = NULL;
2225		}
2226		fputc(cursor ? '\n' : ' ', fp);
2227		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2228				    symbol_conf.bt_stop_list, fp);
2229	}
2230
2231	if (PRINT_FIELD(IREGS))
2232		perf_sample__fprintf_iregs(sample, attr, arch, fp);
2233
2234	if (PRINT_FIELD(UREGS))
2235		perf_sample__fprintf_uregs(sample, attr, arch, fp);
2236
2237	if (PRINT_FIELD(BRSTACK))
2238		perf_sample__fprintf_brstack(sample, thread, attr, fp);
2239	else if (PRINT_FIELD(BRSTACKSYM))
2240		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2241	else if (PRINT_FIELD(BRSTACKOFF))
2242		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2243
2244	if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2245		perf_sample__fprintf_bpf_output(sample, fp);
2246	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2247
2248	if (PRINT_FIELD(PHYS_ADDR))
2249		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2250
2251	if (PRINT_FIELD(DATA_PAGE_SIZE))
2252		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2253
2254	if (PRINT_FIELD(CODE_PAGE_SIZE))
2255		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2256
2257	perf_sample__fprintf_ipc(sample, attr, fp);
2258
2259	fprintf(fp, "\n");
2260
2261	if (PRINT_FIELD(SRCCODE)) {
2262		if (map__fprintf_srccode(al->map, al->addr, stdout,
2263					 thread__srccode_state(thread)))
2264			printf("\n");
2265	}
2266
2267	if (PRINT_FIELD(METRIC))
2268		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2269
2270	if (verbose > 0)
2271		fflush(fp);
2272}
2273
2274static struct scripting_ops	*scripting_ops;
2275
2276static void __process_stat(struct evsel *counter, u64 tstamp)
2277{
2278	int nthreads = perf_thread_map__nr(counter->core.threads);
2279	int idx, thread;
2280	struct perf_cpu cpu;
2281	static int header_printed;
2282
2283	if (!header_printed) {
2284		printf("%3s %8s %15s %15s %15s %15s %s\n",
2285		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2286		header_printed = 1;
2287	}
2288
2289	for (thread = 0; thread < nthreads; thread++) {
2290		perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2291			struct perf_counts_values *counts;
2292
2293			counts = perf_counts(counter->counts, idx, thread);
2294
2295			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2296				cpu.cpu,
2297				perf_thread_map__pid(counter->core.threads, thread),
2298				counts->val,
2299				counts->ena,
2300				counts->run,
2301				tstamp,
2302				evsel__name(counter));
2303		}
2304	}
2305}
2306
2307static void process_stat(struct evsel *counter, u64 tstamp)
2308{
2309	if (scripting_ops && scripting_ops->process_stat)
2310		scripting_ops->process_stat(&stat_config, counter, tstamp);
2311	else
2312		__process_stat(counter, tstamp);
2313}
2314
2315static void process_stat_interval(u64 tstamp)
2316{
2317	if (scripting_ops && scripting_ops->process_stat_interval)
2318		scripting_ops->process_stat_interval(tstamp);
2319}
2320
2321static void setup_scripting(void)
2322{
2323#ifdef HAVE_LIBTRACEEVENT
2324	setup_perl_scripting();
2325#endif
2326	setup_python_scripting();
2327}
2328
2329static int flush_scripting(void)
2330{
2331	return scripting_ops ? scripting_ops->flush_script() : 0;
2332}
2333
2334static int cleanup_scripting(void)
2335{
2336	pr_debug("\nperf script stopped\n");
2337
2338	return scripting_ops ? scripting_ops->stop_script() : 0;
2339}
2340
2341static bool filter_cpu(struct perf_sample *sample)
2342{
2343	if (cpu_list && sample->cpu != (u32)-1)
2344		return !test_bit(sample->cpu, cpu_bitmap);
2345	return false;
2346}
2347
2348static int process_sample_event(struct perf_tool *tool,
2349				union perf_event *event,
2350				struct perf_sample *sample,
2351				struct evsel *evsel,
2352				struct machine *machine)
2353{
2354	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2355	struct addr_location al;
2356	struct addr_location addr_al;
2357	int ret = 0;
2358
2359	/* Set thread to NULL to indicate addr_al and al are not initialized */
2360	addr_location__init(&al);
2361	addr_location__init(&addr_al);
2362
2363	ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2364	if (ret) {
2365		if (ret > 0)
2366			ret = 0;
2367		goto out_put;
2368	}
2369
2370	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2371					  sample->time)) {
2372		goto out_put;
2373	}
2374
2375	if (debug_mode) {
2376		if (sample->time < last_timestamp) {
2377			pr_err("Samples misordered, previous: %" PRIu64
2378				" this: %" PRIu64 "\n", last_timestamp,
2379				sample->time);
2380			nr_unordered++;
2381		}
2382		last_timestamp = sample->time;
2383		goto out_put;
2384	}
2385
2386	if (filter_cpu(sample))
2387		goto out_put;
2388
2389	if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2390		pr_err("problem processing %d event, skipping it.\n",
2391		       event->header.type);
2392		ret = -1;
2393		goto out_put;
2394	}
2395
2396	if (al.filtered)
2397		goto out_put;
2398
2399	if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2400		goto out_put;
2401
2402	if (evswitch__discard(&scr->evswitch, evsel))
2403		goto out_put;
2404
2405	ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2406	if (ret) {
2407		if (ret > 0)
2408			ret = 0;
2409		goto out_put;
2410	}
2411
2412	if (scripting_ops) {
2413		struct addr_location *addr_al_ptr = NULL;
2414
2415		if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2416		    sample_addr_correlates_sym(&evsel->core.attr)) {
2417			if (!addr_al.thread)
2418				thread__resolve(al.thread, &addr_al, sample);
2419			addr_al_ptr = &addr_al;
2420		}
2421		scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2422	} else {
2423		process_event(scr, sample, evsel, &al, &addr_al, machine);
2424	}
2425
2426out_put:
2427	addr_location__exit(&addr_al);
2428	addr_location__exit(&al);
2429	return ret;
2430}
2431
2432// Used when scr->per_event_dump is not set
2433static struct evsel_script es_stdout;
2434
2435static int process_attr(struct perf_tool *tool, union perf_event *event,
2436			struct evlist **pevlist)
2437{
2438	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2439	struct evlist *evlist;
2440	struct evsel *evsel, *pos;
2441	u64 sample_type;
2442	int err;
2443
2444	err = perf_event__process_attr(tool, event, pevlist);
2445	if (err)
2446		return err;
2447
2448	evlist = *pevlist;
2449	evsel = evlist__last(*pevlist);
2450
2451	if (!evsel->priv) {
2452		if (scr->per_event_dump) { 
2453			evsel->priv = evsel_script__new(evsel, scr->session->data);
2454			if (!evsel->priv)
2455				return -ENOMEM;
2456		} else { // Replicate what is done in perf_script__setup_per_event_dump()
2457			es_stdout.fp = stdout;
2458			evsel->priv = &es_stdout;
2459		}
2460	}
2461
2462	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2463	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2464		return 0;
2465
2466	evlist__for_each_entry(evlist, pos) {
2467		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2468			return 0;
2469	}
2470
2471	if (evsel->core.attr.sample_type) {
2472		err = evsel__check_attr(evsel, scr->session);
2473		if (err)
2474			return err;
2475	}
2476
2477	/*
2478	 * Check if we need to enable callchains based
2479	 * on events sample_type.
2480	 */
2481	sample_type = evlist__combined_sample_type(evlist);
2482	callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2483
2484	/* Enable fields for callchain entries */
2485	if (symbol_conf.use_callchain &&
2486	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2487	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2488	     (sample_type & PERF_SAMPLE_REGS_USER &&
2489	      sample_type & PERF_SAMPLE_STACK_USER))) {
2490		int type = output_type(evsel->core.attr.type);
2491
2492		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2493			output[type].fields |= PERF_OUTPUT_IP;
2494		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2495			output[type].fields |= PERF_OUTPUT_SYM;
2496	}
2497	set_print_ip_opts(&evsel->core.attr);
2498	return 0;
2499}
2500
2501static int print_event_with_time(struct perf_tool *tool,
2502				 union perf_event *event,
2503				 struct perf_sample *sample,
2504				 struct machine *machine,
2505				 pid_t pid, pid_t tid, u64 timestamp)
2506{
2507	struct perf_script *script = container_of(tool, struct perf_script, tool);
2508	struct perf_session *session = script->session;
2509	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2510	struct thread *thread = NULL;
2511
2512	if (evsel && !evsel->core.attr.sample_id_all) {
2513		sample->cpu = 0;
2514		sample->time = timestamp;
2515		sample->pid = pid;
2516		sample->tid = tid;
2517	}
2518
2519	if (filter_cpu(sample))
2520		return 0;
2521
2522	if (tid != -1)
2523		thread = machine__findnew_thread(machine, pid, tid);
2524
2525	if (evsel) {
2526		perf_sample__fprintf_start(script, sample, thread, evsel,
2527					   event->header.type, stdout);
2528	}
2529
2530	perf_event__fprintf(event, machine, stdout);
2531
2532	thread__put(thread);
2533
 
2534	return 0;
2535}
2536
2537static int print_event(struct perf_tool *tool, union perf_event *event,
2538		       struct perf_sample *sample, struct machine *machine,
2539		       pid_t pid, pid_t tid)
2540{
2541	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2542}
2543
2544static int process_comm_event(struct perf_tool *tool,
2545			      union perf_event *event,
2546			      struct perf_sample *sample,
2547			      struct machine *machine)
2548{
2549	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2550		return -1;
2551
2552	return print_event(tool, event, sample, machine, event->comm.pid,
2553			   event->comm.tid);
2554}
2555
2556static int process_namespaces_event(struct perf_tool *tool,
2557				    union perf_event *event,
2558				    struct perf_sample *sample,
2559				    struct machine *machine)
2560{
2561	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2562		return -1;
2563
2564	return print_event(tool, event, sample, machine, event->namespaces.pid,
2565			   event->namespaces.tid);
2566}
2567
2568static int process_cgroup_event(struct perf_tool *tool,
2569				union perf_event *event,
2570				struct perf_sample *sample,
2571				struct machine *machine)
2572{
2573	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2574		return -1;
2575
2576	return print_event(tool, event, sample, machine, sample->pid,
2577			    sample->tid);
2578}
2579
2580static int process_fork_event(struct perf_tool *tool,
2581			      union perf_event *event,
2582			      struct perf_sample *sample,
2583			      struct machine *machine)
2584{
2585	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2586		return -1;
2587
2588	return print_event_with_time(tool, event, sample, machine,
2589				     event->fork.pid, event->fork.tid,
2590				     event->fork.time);
2591}
2592static int process_exit_event(struct perf_tool *tool,
2593			      union perf_event *event,
2594			      struct perf_sample *sample,
2595			      struct machine *machine)
2596{
2597	/* Print before 'exit' deletes anything */
2598	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2599				  event->fork.tid, event->fork.time))
2600		return -1;
2601
2602	return perf_event__process_exit(tool, event, sample, machine);
2603}
2604
2605static int process_mmap_event(struct perf_tool *tool,
2606			      union perf_event *event,
2607			      struct perf_sample *sample,
2608			      struct machine *machine)
2609{
2610	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2611		return -1;
2612
2613	return print_event(tool, event, sample, machine, event->mmap.pid,
2614			   event->mmap.tid);
2615}
2616
2617static int process_mmap2_event(struct perf_tool *tool,
2618			      union perf_event *event,
2619			      struct perf_sample *sample,
2620			      struct machine *machine)
2621{
2622	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2623		return -1;
2624
2625	return print_event(tool, event, sample, machine, event->mmap2.pid,
2626			   event->mmap2.tid);
2627}
2628
2629static int process_switch_event(struct perf_tool *tool,
2630				union perf_event *event,
2631				struct perf_sample *sample,
2632				struct machine *machine)
2633{
2634	struct perf_script *script = container_of(tool, struct perf_script, tool);
2635
2636	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2637		return -1;
2638
2639	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2640		scripting_ops->process_switch(event, sample, machine);
2641
2642	if (!script->show_switch_events)
2643		return 0;
2644
2645	return print_event(tool, event, sample, machine, sample->pid,
2646			   sample->tid);
2647}
2648
2649static int process_auxtrace_error(struct perf_session *session,
2650				  union perf_event *event)
2651{
2652	if (scripting_ops && scripting_ops->process_auxtrace_error) {
2653		scripting_ops->process_auxtrace_error(session, event);
2654		return 0;
2655	}
2656
2657	return perf_event__process_auxtrace_error(session, event);
2658}
2659
2660static int
2661process_lost_event(struct perf_tool *tool,
2662		   union perf_event *event,
2663		   struct perf_sample *sample,
2664		   struct machine *machine)
2665{
2666	return print_event(tool, event, sample, machine, sample->pid,
2667			   sample->tid);
2668}
2669
2670static int
2671process_throttle_event(struct perf_tool *tool __maybe_unused,
2672		       union perf_event *event,
2673		       struct perf_sample *sample,
2674		       struct machine *machine)
2675{
2676	if (scripting_ops && scripting_ops->process_throttle)
2677		scripting_ops->process_throttle(event, sample, machine);
2678	return 0;
2679}
2680
2681static int
2682process_finished_round_event(struct perf_tool *tool __maybe_unused,
2683			     union perf_event *event,
2684			     struct ordered_events *oe __maybe_unused)
2685
2686{
2687	perf_event__fprintf(event, NULL, stdout);
2688	return 0;
2689}
2690
2691static int
2692process_bpf_events(struct perf_tool *tool __maybe_unused,
2693		   union perf_event *event,
2694		   struct perf_sample *sample,
2695		   struct machine *machine)
2696{
2697	if (machine__process_ksymbol(machine, event, sample) < 0)
2698		return -1;
2699
2700	return print_event(tool, event, sample, machine, sample->pid,
2701			   sample->tid);
2702}
2703
2704static int process_text_poke_events(struct perf_tool *tool,
2705				    union perf_event *event,
2706				    struct perf_sample *sample,
2707				    struct machine *machine)
2708{
2709	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2710		return -1;
2711
2712	return print_event(tool, event, sample, machine, sample->pid,
2713			   sample->tid);
2714}
2715
2716static void sig_handler(int sig __maybe_unused)
2717{
2718	session_done = 1;
2719}
2720
2721static void perf_script__fclose_per_event_dump(struct perf_script *script)
2722{
2723	struct evlist *evlist = script->session->evlist;
2724	struct evsel *evsel;
2725
2726	evlist__for_each_entry(evlist, evsel) {
2727		if (!evsel->priv)
2728			break;
2729		evsel_script__delete(evsel->priv);
2730		evsel->priv = NULL;
2731	}
2732}
2733
2734static int perf_script__fopen_per_event_dump(struct perf_script *script)
2735{
2736	struct evsel *evsel;
2737
2738	evlist__for_each_entry(script->session->evlist, evsel) {
2739		/*
2740		 * Already setup? I.e. we may be called twice in cases like
2741		 * Intel PT, one for the intel_pt// and dummy events, then
2742		 * for the evsels synthesized from the auxtrace info.
2743		 *
2744		 * Ses perf_script__process_auxtrace_info.
2745		 */
2746		if (evsel->priv != NULL)
2747			continue;
2748
2749		evsel->priv = evsel_script__new(evsel, script->session->data);
2750		if (evsel->priv == NULL)
2751			goto out_err_fclose;
2752	}
2753
2754	return 0;
2755
2756out_err_fclose:
2757	perf_script__fclose_per_event_dump(script);
2758	return -1;
2759}
2760
2761static int perf_script__setup_per_event_dump(struct perf_script *script)
2762{
2763	struct evsel *evsel;
2764
2765	if (script->per_event_dump)
2766		return perf_script__fopen_per_event_dump(script);
2767
2768	es_stdout.fp = stdout;
2769
2770	evlist__for_each_entry(script->session->evlist, evsel)
2771		evsel->priv = &es_stdout;
2772
2773	return 0;
2774}
2775
2776static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2777{
2778	struct evsel *evsel;
2779
2780	evlist__for_each_entry(script->session->evlist, evsel) {
2781		struct evsel_script *es = evsel->priv;
2782
2783		evsel_script__fprintf(es, stdout);
2784		evsel_script__delete(es);
2785		evsel->priv = NULL;
2786	}
2787}
2788
2789static void perf_script__exit(struct perf_script *script)
2790{
2791	perf_thread_map__put(script->threads);
2792	perf_cpu_map__put(script->cpus);
2793}
2794
2795static int __cmd_script(struct perf_script *script)
2796{
2797	int ret;
2798
2799	signal(SIGINT, sig_handler);
2800
2801	/* override event processing functions */
2802	if (script->show_task_events) {
2803		script->tool.comm = process_comm_event;
2804		script->tool.fork = process_fork_event;
2805		script->tool.exit = process_exit_event;
2806	}
2807	if (script->show_mmap_events) {
2808		script->tool.mmap = process_mmap_event;
2809		script->tool.mmap2 = process_mmap2_event;
2810	}
2811	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2812		script->tool.context_switch = process_switch_event;
2813	if (scripting_ops && scripting_ops->process_auxtrace_error)
2814		script->tool.auxtrace_error = process_auxtrace_error;
2815	if (script->show_namespace_events)
2816		script->tool.namespaces = process_namespaces_event;
2817	if (script->show_cgroup_events)
2818		script->tool.cgroup = process_cgroup_event;
2819	if (script->show_lost_events)
2820		script->tool.lost = process_lost_event;
2821	if (script->show_round_events) {
2822		script->tool.ordered_events = false;
2823		script->tool.finished_round = process_finished_round_event;
2824	}
2825	if (script->show_bpf_events) {
2826		script->tool.ksymbol = process_bpf_events;
2827		script->tool.bpf     = process_bpf_events;
2828	}
2829	if (script->show_text_poke_events) {
2830		script->tool.ksymbol   = process_bpf_events;
2831		script->tool.text_poke = process_text_poke_events;
2832	}
2833
2834	if (perf_script__setup_per_event_dump(script)) {
2835		pr_err("Couldn't create the per event dump files\n");
2836		return -1;
2837	}
2838
2839	ret = perf_session__process_events(script->session);
2840
2841	if (script->per_event_dump)
2842		perf_script__exit_per_event_dump_stats(script);
2843
2844	if (debug_mode)
2845		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2846
2847	return ret;
2848}
2849
2850struct script_spec {
2851	struct list_head	node;
2852	struct scripting_ops	*ops;
2853	char			spec[];
2854};
2855
2856static LIST_HEAD(script_specs);
2857
2858static struct script_spec *script_spec__new(const char *spec,
2859					    struct scripting_ops *ops)
2860{
2861	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2862
2863	if (s != NULL) {
2864		strcpy(s->spec, spec);
2865		s->ops = ops;
2866	}
2867
2868	return s;
2869}
2870
 
 
 
 
 
 
2871static void script_spec__add(struct script_spec *s)
2872{
2873	list_add_tail(&s->node, &script_specs);
2874}
2875
2876static struct script_spec *script_spec__find(const char *spec)
2877{
2878	struct script_spec *s;
2879
2880	list_for_each_entry(s, &script_specs, node)
2881		if (strcasecmp(s->spec, spec) == 0)
2882			return s;
2883	return NULL;
2884}
2885
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2886int script_spec_register(const char *spec, struct scripting_ops *ops)
2887{
2888	struct script_spec *s;
2889
2890	s = script_spec__find(spec);
2891	if (s)
2892		return -1;
2893
2894	s = script_spec__new(spec, ops);
2895	if (!s)
2896		return -1;
2897	else
2898		script_spec__add(s);
2899
2900	return 0;
2901}
2902
2903static struct scripting_ops *script_spec__lookup(const char *spec)
2904{
2905	struct script_spec *s = script_spec__find(spec);
2906	if (!s)
2907		return NULL;
2908
2909	return s->ops;
2910}
2911
2912static void list_available_languages(void)
2913{
2914	struct script_spec *s;
2915
2916	fprintf(stderr, "\n");
2917	fprintf(stderr, "Scripting language extensions (used in "
2918		"perf script -s [spec:]script.[spec]):\n\n");
2919
2920	list_for_each_entry(s, &script_specs, node)
2921		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2922
2923	fprintf(stderr, "\n");
2924}
2925
2926/* Find script file relative to current directory or exec path */
2927static char *find_script(const char *script)
2928{
2929	char path[PATH_MAX];
2930
2931	if (!scripting_ops) {
2932		const char *ext = strrchr(script, '.');
2933
2934		if (!ext)
2935			return NULL;
2936
2937		scripting_ops = script_spec__lookup(++ext);
2938		if (!scripting_ops)
2939			return NULL;
2940	}
2941
2942	if (access(script, R_OK)) {
2943		char *exec_path = get_argv_exec_path();
2944
2945		if (!exec_path)
2946			return NULL;
2947		snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2948			 exec_path, scripting_ops->dirname, script);
2949		free(exec_path);
2950		script = path;
2951		if (access(script, R_OK))
2952			return NULL;
2953	}
2954	return strdup(script);
2955}
2956
2957static int parse_scriptname(const struct option *opt __maybe_unused,
2958			    const char *str, int unset __maybe_unused)
2959{
2960	char spec[PATH_MAX];
2961	const char *script, *ext;
2962	int len;
2963
2964	if (strcmp(str, "lang") == 0) {
2965		list_available_languages();
2966		exit(0);
2967	}
2968
2969	script = strchr(str, ':');
2970	if (script) {
2971		len = script - str;
2972		if (len >= PATH_MAX) {
2973			fprintf(stderr, "invalid language specifier");
2974			return -1;
2975		}
2976		strncpy(spec, str, len);
2977		spec[len] = '\0';
2978		scripting_ops = script_spec__lookup(spec);
2979		if (!scripting_ops) {
2980			fprintf(stderr, "invalid language specifier");
2981			return -1;
2982		}
2983		script++;
2984	} else {
2985		script = str;
2986		ext = strrchr(script, '.');
2987		if (!ext) {
2988			fprintf(stderr, "invalid script extension");
2989			return -1;
2990		}
2991		scripting_ops = script_spec__lookup(++ext);
2992		if (!scripting_ops) {
2993			fprintf(stderr, "invalid script extension");
2994			return -1;
2995		}
2996	}
2997
2998	script_name = find_script(script);
2999	if (!script_name)
3000		script_name = strdup(script);
3001
3002	return 0;
3003}
3004
3005static int parse_output_fields(const struct option *opt __maybe_unused,
3006			    const char *arg, int unset __maybe_unused)
3007{
3008	char *tok, *strtok_saveptr = NULL;
3009	int i, imax = ARRAY_SIZE(all_output_options);
3010	int j;
3011	int rc = 0;
3012	char *str = strdup(arg);
3013	int type = -1;
3014	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3015
3016	if (!str)
3017		return -ENOMEM;
3018
3019	/* first word can state for which event type the user is specifying
3020	 * the fields. If no type exists, the specified fields apply to all
3021	 * event types found in the file minus the invalid fields for a type.
3022	 */
3023	tok = strchr(str, ':');
3024	if (tok) {
3025		*tok = '\0';
3026		tok++;
3027		if (!strcmp(str, "hw"))
3028			type = PERF_TYPE_HARDWARE;
3029		else if (!strcmp(str, "sw"))
3030			type = PERF_TYPE_SOFTWARE;
3031		else if (!strcmp(str, "trace"))
3032			type = PERF_TYPE_TRACEPOINT;
3033		else if (!strcmp(str, "raw"))
3034			type = PERF_TYPE_RAW;
3035		else if (!strcmp(str, "break"))
3036			type = PERF_TYPE_BREAKPOINT;
3037		else if (!strcmp(str, "synth"))
3038			type = OUTPUT_TYPE_SYNTH;
3039		else {
3040			fprintf(stderr, "Invalid event type in field string.\n");
3041			rc = -EINVAL;
3042			goto out;
3043		}
3044
3045		if (output[type].user_set)
3046			pr_warning("Overriding previous field request for %s events.\n",
3047				   event_type(type));
3048
3049		/* Don't override defaults for +- */
3050		if (strchr(tok, '+') || strchr(tok, '-'))
3051			goto parse;
3052
3053		output[type].fields = 0;
3054		output[type].user_set = true;
3055		output[type].wildcard_set = false;
3056
3057	} else {
3058		tok = str;
3059		if (strlen(str) == 0) {
3060			fprintf(stderr,
3061				"Cannot set fields to 'none' for all event types.\n");
3062			rc = -EINVAL;
3063			goto out;
3064		}
3065
3066		/* Don't override defaults for +- */
3067		if (strchr(str, '+') || strchr(str, '-'))
3068			goto parse;
3069
3070		if (output_set_by_user())
3071			pr_warning("Overriding previous field request for all events.\n");
3072
3073		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3074			output[j].fields = 0;
3075			output[j].user_set = true;
3076			output[j].wildcard_set = true;
3077		}
3078	}
3079
3080parse:
3081	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3082		if (*tok == '+') {
3083			if (change == SET)
3084				goto out_badmix;
3085			change = ADD;
3086			tok++;
3087		} else if (*tok == '-') {
3088			if (change == SET)
3089				goto out_badmix;
3090			change = REMOVE;
3091			tok++;
3092		} else {
3093			if (change != SET && change != DEFAULT)
3094				goto out_badmix;
3095			change = SET;
3096		}
3097
3098		for (i = 0; i < imax; ++i) {
3099			if (strcmp(tok, all_output_options[i].str) == 0)
3100				break;
3101		}
3102		if (i == imax && strcmp(tok, "flags") == 0) {
3103			print_flags = change != REMOVE;
3104			continue;
3105		}
3106		if (i == imax) {
3107			fprintf(stderr, "Invalid field requested.\n");
3108			rc = -EINVAL;
3109			goto out;
3110		}
3111
3112		if (type == -1) {
3113			/* add user option to all events types for
3114			 * which it is valid
3115			 */
3116			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3117				if (output[j].invalid_fields & all_output_options[i].field) {
3118					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3119						   all_output_options[i].str, event_type(j));
3120				} else {
3121					if (change == REMOVE) {
3122						output[j].fields &= ~all_output_options[i].field;
3123						output[j].user_set_fields &= ~all_output_options[i].field;
3124						output[j].user_unset_fields |= all_output_options[i].field;
3125					} else {
3126						output[j].fields |= all_output_options[i].field;
3127						output[j].user_set_fields |= all_output_options[i].field;
3128						output[j].user_unset_fields &= ~all_output_options[i].field;
3129					}
3130					output[j].user_set = true;
3131					output[j].wildcard_set = true;
3132				}
3133			}
3134		} else {
3135			if (output[type].invalid_fields & all_output_options[i].field) {
3136				fprintf(stderr, "\'%s\' not valid for %s events.\n",
3137					 all_output_options[i].str, event_type(type));
3138
3139				rc = -EINVAL;
3140				goto out;
3141			}
3142			if (change == REMOVE)
3143				output[type].fields &= ~all_output_options[i].field;
3144			else
3145				output[type].fields |= all_output_options[i].field;
3146			output[type].user_set = true;
3147			output[type].wildcard_set = true;
3148		}
 
 
3149	}
3150
3151	if (type >= 0) {
3152		if (output[type].fields == 0) {
3153			pr_debug("No fields requested for %s type. "
3154				 "Events will not be displayed.\n", event_type(type));
3155		}
3156	}
3157	goto out;
3158
3159out_badmix:
3160	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3161	rc = -EINVAL;
3162out:
3163	free(str);
3164	return rc;
3165}
3166
3167#define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
3168	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
3169		if ((lang_dirent->d_type == DT_DIR ||			\
3170		     (lang_dirent->d_type == DT_UNKNOWN &&		\
3171		      is_directory(scripts_path, lang_dirent))) &&	\
3172		    (strcmp(lang_dirent->d_name, ".")) &&		\
3173		    (strcmp(lang_dirent->d_name, "..")))
3174
3175#define for_each_script(lang_path, lang_dir, script_dirent)		\
3176	while ((script_dirent = readdir(lang_dir)) != NULL)		\
3177		if (script_dirent->d_type != DT_DIR &&			\
3178		    (script_dirent->d_type != DT_UNKNOWN ||		\
3179		     !is_directory(lang_path, script_dirent)))
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3180
3181
3182#define RECORD_SUFFIX			"-record"
3183#define REPORT_SUFFIX			"-report"
3184
3185struct script_desc {
3186	struct list_head	node;
3187	char			*name;
3188	char			*half_liner;
3189	char			*args;
3190};
3191
3192static LIST_HEAD(script_descs);
3193
3194static struct script_desc *script_desc__new(const char *name)
3195{
3196	struct script_desc *s = zalloc(sizeof(*s));
3197
3198	if (s != NULL && name)
3199		s->name = strdup(name);
3200
3201	return s;
3202}
3203
3204static void script_desc__delete(struct script_desc *s)
3205{
3206	zfree(&s->name);
3207	zfree(&s->half_liner);
3208	zfree(&s->args);
3209	free(s);
3210}
3211
3212static void script_desc__add(struct script_desc *s)
3213{
3214	list_add_tail(&s->node, &script_descs);
3215}
3216
3217static struct script_desc *script_desc__find(const char *name)
3218{
3219	struct script_desc *s;
3220
3221	list_for_each_entry(s, &script_descs, node)
3222		if (strcasecmp(s->name, name) == 0)
3223			return s;
3224	return NULL;
3225}
3226
3227static struct script_desc *script_desc__findnew(const char *name)
3228{
3229	struct script_desc *s = script_desc__find(name);
3230
3231	if (s)
3232		return s;
3233
3234	s = script_desc__new(name);
3235	if (!s)
3236		return NULL;
3237
3238	script_desc__add(s);
3239
3240	return s;
 
 
 
 
 
3241}
3242
3243static const char *ends_with(const char *str, const char *suffix)
3244{
3245	size_t suffix_len = strlen(suffix);
3246	const char *p = str;
3247
3248	if (strlen(str) > suffix_len) {
3249		p = str + strlen(str) - suffix_len;
3250		if (!strncmp(p, suffix, suffix_len))
3251			return p;
3252	}
3253
3254	return NULL;
3255}
3256
 
 
 
 
 
 
 
 
 
 
 
 
3257static int read_script_info(struct script_desc *desc, const char *filename)
3258{
3259	char line[BUFSIZ], *p;
3260	FILE *fp;
3261
3262	fp = fopen(filename, "r");
3263	if (!fp)
3264		return -1;
3265
3266	while (fgets(line, sizeof(line), fp)) {
3267		p = skip_spaces(line);
3268		if (strlen(p) == 0)
3269			continue;
3270		if (*p != '#')
3271			continue;
3272		p++;
3273		if (strlen(p) && *p == '!')
3274			continue;
3275
3276		p = skip_spaces(p);
3277		if (strlen(p) && p[strlen(p) - 1] == '\n')
3278			p[strlen(p) - 1] = '\0';
3279
3280		if (!strncmp(p, "description:", strlen("description:"))) {
3281			p += strlen("description:");
3282			desc->half_liner = strdup(skip_spaces(p));
3283			continue;
3284		}
3285
3286		if (!strncmp(p, "args:", strlen("args:"))) {
3287			p += strlen("args:");
3288			desc->args = strdup(skip_spaces(p));
3289			continue;
3290		}
3291	}
3292
3293	fclose(fp);
3294
3295	return 0;
3296}
3297
3298static char *get_script_root(struct dirent *script_dirent, const char *suffix)
 
3299{
3300	char *script_root, *str;
3301
3302	script_root = strdup(script_dirent->d_name);
3303	if (!script_root)
3304		return NULL;
3305
3306	str = (char *)ends_with(script_root, suffix);
3307	if (!str) {
3308		free(script_root);
3309		return NULL;
3310	}
3311
3312	*str = '\0';
3313	return script_root;
3314}
3315
3316static int list_available_scripts(const struct option *opt __maybe_unused,
3317				  const char *s __maybe_unused,
3318				  int unset __maybe_unused)
3319{
3320	struct dirent *script_dirent, *lang_dirent;
3321	char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3322	DIR *scripts_dir, *lang_dir;
 
 
3323	struct script_desc *desc;
 
3324	char *script_root;
 
3325
3326	buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3327	if (!buf) {
3328		pr_err("malloc failed\n");
3329		exit(-1);
3330	}
3331	scripts_path = buf;
3332	script_path = buf + MAXPATHLEN;
3333	lang_path = buf + 2 * MAXPATHLEN;
3334	first_half = buf + 3 * MAXPATHLEN;
3335
3336	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3337
3338	scripts_dir = opendir(scripts_path);
3339	if (!scripts_dir) {
3340		fprintf(stdout,
3341			"open(%s) failed.\n"
3342			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3343			scripts_path);
3344		free(buf);
3345		exit(-1);
3346	}
3347
3348	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3349		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3350			  lang_dirent->d_name);
3351		lang_dir = opendir(lang_path);
3352		if (!lang_dir)
3353			continue;
3354
3355		for_each_script(lang_path, lang_dir, script_dirent) {
3356			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3357			if (script_root) {
 
 
3358				desc = script_desc__findnew(script_root);
3359				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3360					  lang_path, script_dirent->d_name);
3361				read_script_info(desc, script_path);
3362				free(script_root);
3363			}
 
3364		}
3365	}
3366
3367	fprintf(stdout, "List of available trace scripts:\n");
3368	list_for_each_entry(desc, &script_descs, node) {
3369		sprintf(first_half, "%s %s", desc->name,
3370			desc->args ? desc->args : "");
3371		fprintf(stdout, "  %-36s %s\n", first_half,
3372			desc->half_liner ? desc->half_liner : "");
3373	}
3374
3375	free(buf);
3376	exit(0);
3377}
3378
3379static int add_dlarg(const struct option *opt __maybe_unused,
3380		     const char *s, int unset __maybe_unused)
3381{
3382	char *arg = strdup(s);
3383	void *a;
3384
3385	if (!arg)
3386		return -1;
3387
3388	a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3389	if (!a) {
3390		free(arg);
3391		return -1;
3392	}
3393
3394	dlargv = a;
3395	dlargv[dlargc++] = arg;
3396
3397	return 0;
3398}
3399
3400static void free_dlarg(void)
3401{
3402	while (dlargc--)
3403		free(dlargv[dlargc]);
3404	free(dlargv);
3405}
3406
3407/*
3408 * Some scripts specify the required events in their "xxx-record" file,
3409 * this function will check if the events in perf.data match those
3410 * mentioned in the "xxx-record".
3411 *
3412 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3413 * which is covered well now. And new parsing code should be added to
3414 * cover the future complex formats like event groups etc.
3415 */
3416static int check_ev_match(char *dir_name, char *scriptname,
3417			struct perf_session *session)
3418{
3419	char filename[MAXPATHLEN], evname[128];
3420	char line[BUFSIZ], *p;
3421	struct evsel *pos;
3422	int match, len;
3423	FILE *fp;
3424
3425	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3426
3427	fp = fopen(filename, "r");
3428	if (!fp)
3429		return -1;
3430
3431	while (fgets(line, sizeof(line), fp)) {
3432		p = skip_spaces(line);
3433		if (*p == '#')
3434			continue;
3435
3436		while (strlen(p)) {
3437			p = strstr(p, "-e");
3438			if (!p)
3439				break;
3440
3441			p += 2;
3442			p = skip_spaces(p);
3443			len = strcspn(p, " \t");
3444			if (!len)
3445				break;
3446
3447			snprintf(evname, len + 1, "%s", p);
3448
3449			match = 0;
3450			evlist__for_each_entry(session->evlist, pos) {
3451				if (!strcmp(evsel__name(pos), evname)) {
3452					match = 1;
3453					break;
3454				}
3455			}
3456
3457			if (!match) {
3458				fclose(fp);
3459				return -1;
3460			}
3461		}
3462	}
3463
3464	fclose(fp);
3465	return 0;
3466}
3467
3468/*
3469 * Return -1 if none is found, otherwise the actual scripts number.
3470 *
3471 * Currently the only user of this function is the script browser, which
3472 * will list all statically runnable scripts, select one, execute it and
3473 * show the output in a perf browser.
3474 */
3475int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3476		 int pathlen)
3477{
3478	struct dirent *script_dirent, *lang_dirent;
3479	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3480	DIR *scripts_dir, *lang_dir;
3481	struct perf_session *session;
3482	struct perf_data data = {
3483		.path = input_name,
3484		.mode = PERF_DATA_MODE_READ,
3485	};
3486	char *temp;
3487	int i = 0;
3488
3489	session = perf_session__new(&data, NULL);
3490	if (IS_ERR(session))
3491		return PTR_ERR(session);
3492
3493	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3494
3495	scripts_dir = opendir(scripts_path);
3496	if (!scripts_dir) {
3497		perf_session__delete(session);
3498		return -1;
3499	}
3500
3501	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3502		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3503			  lang_dirent->d_name);
3504#ifndef HAVE_LIBPERL_SUPPORT
3505		if (strstr(lang_path, "perl"))
3506			continue;
3507#endif
3508#ifndef HAVE_LIBPYTHON_SUPPORT
3509		if (strstr(lang_path, "python"))
3510			continue;
3511#endif
3512
3513		lang_dir = opendir(lang_path);
3514		if (!lang_dir)
3515			continue;
3516
3517		for_each_script(lang_path, lang_dir, script_dirent) {
3518			/* Skip those real time scripts: xxxtop.p[yl] */
3519			if (strstr(script_dirent->d_name, "top."))
3520				continue;
3521			if (i >= num)
3522				break;
3523			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3524				lang_path,
3525				script_dirent->d_name);
3526			temp = strchr(script_dirent->d_name, '.');
3527			snprintf(scripts_array[i],
3528				(temp - script_dirent->d_name) + 1,
3529				"%s", script_dirent->d_name);
3530
3531			if (check_ev_match(lang_path,
3532					scripts_array[i], session))
3533				continue;
3534
3535			i++;
3536		}
3537		closedir(lang_dir);
3538	}
3539
3540	closedir(scripts_dir);
3541	perf_session__delete(session);
3542	return i;
3543}
3544
3545static char *get_script_path(const char *script_root, const char *suffix)
3546{
3547	struct dirent *script_dirent, *lang_dirent;
3548	char scripts_path[MAXPATHLEN];
3549	char script_path[MAXPATHLEN];
3550	DIR *scripts_dir, *lang_dir;
3551	char lang_path[MAXPATHLEN];
3552	char *__script_root;
 
3553
3554	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3555
3556	scripts_dir = opendir(scripts_path);
3557	if (!scripts_dir)
3558		return NULL;
3559
3560	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3561		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3562			  lang_dirent->d_name);
3563		lang_dir = opendir(lang_path);
3564		if (!lang_dir)
3565			continue;
3566
3567		for_each_script(lang_path, lang_dir, script_dirent) {
3568			__script_root = get_script_root(script_dirent, suffix);
3569			if (__script_root && !strcmp(script_root, __script_root)) {
 
 
 
 
 
 
 
3570				free(__script_root);
3571				closedir(scripts_dir);
3572				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3573					  lang_path, script_dirent->d_name);
3574				closedir(lang_dir);
3575				return strdup(script_path);
3576			}
3577			free(__script_root);
3578		}
3579		closedir(lang_dir);
3580	}
3581	closedir(scripts_dir);
3582
3583	return NULL;
3584}
3585
3586static bool is_top_script(const char *script_path)
3587{
3588	return ends_with(script_path, "top") != NULL;
3589}
3590
3591static int has_required_arg(char *script_path)
3592{
3593	struct script_desc *desc;
3594	int n_args = 0;
3595	char *p;
3596
3597	desc = script_desc__new(NULL);
3598
3599	if (read_script_info(desc, script_path))
3600		goto out;
3601
3602	if (!desc->args)
3603		goto out;
3604
3605	for (p = desc->args; *p; p++)
3606		if (*p == '<')
3607			n_args++;
3608out:
3609	script_desc__delete(desc);
3610
3611	return n_args;
3612}
3613
3614static int have_cmd(int argc, const char **argv)
3615{
3616	char **__argv = malloc(sizeof(const char *) * argc);
3617
3618	if (!__argv) {
3619		pr_err("malloc failed\n");
3620		return -1;
3621	}
3622
3623	memcpy(__argv, argv, sizeof(const char *) * argc);
3624	argc = parse_options(argc, (const char **)__argv, record_options,
3625			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3626	free(__argv);
3627
3628	system_wide = (argc == 0);
3629
3630	return 0;
3631}
3632
3633static void script__setup_sample_type(struct perf_script *script)
3634{
3635	struct perf_session *session = script->session;
3636	u64 sample_type = evlist__combined_sample_type(session->evlist);
3637
3638	callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3639
3640	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3641		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3642			   "Please apply --call-graph lbr when recording.\n");
3643		script->stitch_lbr = false;
3644	}
3645}
3646
3647static int process_stat_round_event(struct perf_session *session,
3648				    union perf_event *event)
3649{
3650	struct perf_record_stat_round *round = &event->stat_round;
3651	struct evsel *counter;
3652
3653	evlist__for_each_entry(session->evlist, counter) {
3654		perf_stat_process_counter(&stat_config, counter);
3655		process_stat(counter, round->time);
3656	}
3657
3658	process_stat_interval(round->time);
3659	return 0;
3660}
3661
3662static int process_stat_config_event(struct perf_session *session __maybe_unused,
3663				     union perf_event *event)
3664{
3665	perf_event__read_stat_config(&stat_config, &event->stat_config);
3666
3667	/*
3668	 * Aggregation modes are not used since post-processing scripts are
3669	 * supposed to take care of such requirements
3670	 */
3671	stat_config.aggr_mode = AGGR_NONE;
3672
3673	return 0;
3674}
3675
3676static int set_maps(struct perf_script *script)
3677{
3678	struct evlist *evlist = script->session->evlist;
3679
3680	if (!script->cpus || !script->threads)
3681		return 0;
3682
3683	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3684		return -EINVAL;
3685
3686	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3687
3688	if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3689		return -ENOMEM;
3690
3691	script->allocated = true;
3692	return 0;
3693}
3694
3695static
3696int process_thread_map_event(struct perf_session *session,
3697			     union perf_event *event)
3698{
3699	struct perf_tool *tool = session->tool;
3700	struct perf_script *script = container_of(tool, struct perf_script, tool);
3701
3702	if (dump_trace)
3703		perf_event__fprintf_thread_map(event, stdout);
3704
3705	if (script->threads) {
3706		pr_warning("Extra thread map event, ignoring.\n");
3707		return 0;
3708	}
3709
3710	script->threads = thread_map__new_event(&event->thread_map);
3711	if (!script->threads)
3712		return -ENOMEM;
3713
3714	return set_maps(script);
3715}
3716
3717static
3718int process_cpu_map_event(struct perf_session *session,
3719			  union perf_event *event)
3720{
3721	struct perf_tool *tool = session->tool;
3722	struct perf_script *script = container_of(tool, struct perf_script, tool);
3723
3724	if (dump_trace)
3725		perf_event__fprintf_cpu_map(event, stdout);
3726
3727	if (script->cpus) {
3728		pr_warning("Extra cpu map event, ignoring.\n");
3729		return 0;
3730	}
3731
3732	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3733	if (!script->cpus)
3734		return -ENOMEM;
3735
3736	return set_maps(script);
3737}
3738
3739static int process_feature_event(struct perf_session *session,
3740				 union perf_event *event)
3741{
3742	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3743		return perf_event__process_feature(session, event);
3744	return 0;
3745}
3746
3747#ifdef HAVE_AUXTRACE_SUPPORT
3748static int perf_script__process_auxtrace_info(struct perf_session *session,
3749					      union perf_event *event)
3750{
3751	struct perf_tool *tool = session->tool;
3752
3753	int ret = perf_event__process_auxtrace_info(session, event);
3754
3755	if (ret == 0) {
3756		struct perf_script *script = container_of(tool, struct perf_script, tool);
3757
3758		ret = perf_script__setup_per_event_dump(script);
3759	}
3760
3761	return ret;
3762}
3763#else
3764#define perf_script__process_auxtrace_info 0
3765#endif
3766
3767static int parse_insn_trace(const struct option *opt __maybe_unused,
3768			    const char *str __maybe_unused,
3769			    int unset __maybe_unused)
3770{
3771	parse_output_fields(NULL, "+insn,-event,-period", 0);
3772	itrace_parse_synth_opts(opt, "i0ns", 0);
3773	symbol_conf.nanosecs = true;
3774	return 0;
3775}
3776
3777static int parse_xed(const struct option *opt __maybe_unused,
3778		     const char *str __maybe_unused,
3779		     int unset __maybe_unused)
3780{
3781	if (isatty(1))
3782		force_pager("xed -F insn: -A -64 | less");
3783	else
3784		force_pager("xed -F insn: -A -64");
3785	return 0;
3786}
3787
3788static int parse_call_trace(const struct option *opt __maybe_unused,
3789			    const char *str __maybe_unused,
3790			    int unset __maybe_unused)
3791{
3792	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3793	itrace_parse_synth_opts(opt, "cewp", 0);
3794	symbol_conf.nanosecs = true;
3795	symbol_conf.pad_output_len_dso = 50;
3796	return 0;
3797}
3798
3799static int parse_callret_trace(const struct option *opt __maybe_unused,
3800			    const char *str __maybe_unused,
3801			    int unset __maybe_unused)
3802{
3803	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3804	itrace_parse_synth_opts(opt, "crewp", 0);
3805	symbol_conf.nanosecs = true;
3806	return 0;
3807}
3808
3809int cmd_script(int argc, const char **argv)
3810{
3811	bool show_full_info = false;
3812	bool header = false;
3813	bool header_only = false;
3814	bool script_started = false;
3815	bool unsorted_dump = false;
3816	char *rec_script_path = NULL;
3817	char *rep_script_path = NULL;
3818	struct perf_session *session;
3819	struct itrace_synth_opts itrace_synth_opts = {
3820		.set = false,
3821		.default_no_sample = true,
3822	};
3823	struct utsname uts;
3824	char *script_path = NULL;
3825	const char *dlfilter_file = NULL;
3826	const char **__argv;
3827	int i, j, err = 0;
3828	struct perf_script script = {
3829		.tool = {
3830			.sample		 = process_sample_event,
3831			.mmap		 = perf_event__process_mmap,
3832			.mmap2		 = perf_event__process_mmap2,
3833			.comm		 = perf_event__process_comm,
3834			.namespaces	 = perf_event__process_namespaces,
3835			.cgroup		 = perf_event__process_cgroup,
3836			.exit		 = perf_event__process_exit,
3837			.fork		 = perf_event__process_fork,
3838			.attr		 = process_attr,
3839			.event_update   = perf_event__process_event_update,
3840#ifdef HAVE_LIBTRACEEVENT
3841			.tracing_data	 = perf_event__process_tracing_data,
3842#endif
3843			.feature	 = process_feature_event,
3844			.build_id	 = perf_event__process_build_id,
3845			.id_index	 = perf_event__process_id_index,
3846			.auxtrace_info	 = perf_script__process_auxtrace_info,
3847			.auxtrace	 = perf_event__process_auxtrace,
3848			.auxtrace_error	 = perf_event__process_auxtrace_error,
3849			.stat		 = perf_event__process_stat_event,
3850			.stat_round	 = process_stat_round_event,
3851			.stat_config	 = process_stat_config_event,
3852			.thread_map	 = process_thread_map_event,
3853			.cpu_map	 = process_cpu_map_event,
3854			.throttle	 = process_throttle_event,
3855			.unthrottle	 = process_throttle_event,
3856			.ordered_events	 = true,
3857			.ordering_requires_timestamps = true,
3858		},
3859	};
3860	struct perf_data data = {
3861		.mode = PERF_DATA_MODE_READ,
3862	};
3863	const struct option options[] = {
3864	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3865		    "dump raw trace in ASCII"),
3866	OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3867		    "dump unsorted raw trace in ASCII"),
3868	OPT_INCR('v', "verbose", &verbose,
3869		 "be more verbose (show symbol address, etc)"),
3870	OPT_BOOLEAN('L', "Latency", &latency_format,
3871		    "show latency attributes (irqs/preemption disabled, etc)"),
3872	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3873			   list_available_scripts),
3874	OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3875			   list_available_dlfilters),
3876	OPT_CALLBACK('s', "script", NULL, "name",
3877		     "script file name (lang:script name, script name, or *)",
3878		     parse_scriptname),
3879	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3880		   "generate perf-script.xx script in specified language"),
3881	OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3882	OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3883		     add_dlarg),
3884	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3885	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3886		   "do various checks like samples ordering and lost events"),
3887	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3888	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3889	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3890		   "file", "vmlinux pathname"),
3891	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3892		   "file", "kallsyms pathname"),
3893	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3894		    "When printing symbols do not display call chain"),
3895	OPT_CALLBACK(0, "symfs", NULL, "directory",
3896		     "Look for files with symbols relative to this directory",
3897		     symbol__config_symfs),
3898	OPT_CALLBACK('F', "fields", NULL, "str",
3899		     "comma separated output fields prepend with 'type:'. "
3900		     "+field to add and -field to remove."
3901		     "Valid types: hw,sw,trace,raw,synth. "
3902		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
3903		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3904		     "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3905		     "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth,"
3906		     "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3907		     "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat",
3908		     parse_output_fields),
3909	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3910		    "system-wide collection from all CPUs"),
3911	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3912		   "only consider symbols in these DSOs"),
3913	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3914		   "only consider these symbols"),
3915	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3916		    "Use with -S to list traced records within address range"),
3917	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3918			"Decode instructions from itrace", parse_insn_trace),
3919	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3920			"Run xed disassembler on output", parse_xed),
3921	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3922			"Decode calls from itrace", parse_call_trace),
3923	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3924			"Decode calls and returns from itrace", parse_callret_trace),
3925	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3926			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3927	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3928		   "Stop display of callgraph at these symbols"),
3929	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3930	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3931		   "only display events for these comms"),
3932	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3933		   "only consider symbols in these pids"),
3934	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3935		   "only consider symbols in these tids"),
3936	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3937		     "Set the maximum stack depth when parsing the callchain, "
3938		     "anything beyond the specified depth will be ignored. "
3939		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3940	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3941	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3942	OPT_BOOLEAN('I', "show-info", &show_full_info,
3943		    "display extended information from perf.data file"),
3944	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3945		    "Show the path of [kernel.kallsyms]"),
3946	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3947		    "Show the fork/comm/exit events"),
3948	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3949		    "Show the mmap events"),
3950	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3951		    "Show context switch events (if recorded)"),
3952	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3953		    "Show namespace events (if recorded)"),
3954	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3955		    "Show cgroup events (if recorded)"),
3956	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3957		    "Show lost events (if recorded)"),
3958	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3959		    "Show round events (if recorded)"),
3960	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3961		    "Show bpf related events (if recorded)"),
3962	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3963		    "Show text poke related events (if recorded)"),
3964	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3965		    "Dump trace output to files named by the monitored events"),
3966	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3967	OPT_INTEGER(0, "max-blocks", &max_blocks,
3968		    "Maximum number of code blocks to dump with brstackinsn"),
3969	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3970		    "Use 9 decimal places when displaying time"),
3971	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3972			    "Instruction Tracing options\n" ITRACE_HELP,
3973			    itrace_parse_synth_opts),
3974	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3975			"Show full source file name path for source lines"),
3976	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3977			"Enable symbol demangling"),
3978	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3979			"Enable kernel symbol demangling"),
3980	OPT_STRING(0, "time", &script.time_str, "str",
3981		   "Time span of interest (start,stop)"),
3982	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3983		    "Show inline function"),
3984	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3985		   "guest mount directory under which every guest os"
3986		   " instance has a subdir"),
3987	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3988		   "file", "file saving guest os vmlinux"),
3989	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3990		   "file", "file saving guest os /proc/kallsyms"),
3991	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3992		   "file", "file saving guest os /proc/modules"),
3993	OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
3994		    "Guest code can be found in hypervisor process"),
3995	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3996		    "Enable LBR callgraph stitching approach"),
3997	OPTS_EVSWITCH(&script.evswitch),
3998	OPT_END()
3999	};
4000	const char * const script_subcommands[] = { "record", "report", NULL };
4001	const char *script_usage[] = {
4002		"perf script [<options>]",
4003		"perf script [<options>] record <script> [<record-options>] <command>",
4004		"perf script [<options>] report <script> [script-args]",
4005		"perf script [<options>] <script> [<record-options>] <command>",
4006		"perf script [<options>] <top-script> [script-args]",
4007		NULL
4008	};
4009
4010	perf_set_singlethreaded();
 
 
4011
4012	setup_scripting();
 
 
 
 
 
4013
4014	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
4015			     PARSE_OPT_STOP_AT_NON_OPTION);
4016
4017	if (symbol_conf.guestmount ||
4018	    symbol_conf.default_guest_vmlinux_name ||
4019	    symbol_conf.default_guest_kallsyms ||
4020	    symbol_conf.default_guest_modules ||
4021	    symbol_conf.guest_code) {
4022		/*
4023		 * Enable guest sample processing.
4024		 */
4025		perf_guest = true;
4026	}
4027
4028	data.path  = input_name;
4029	data.force = symbol_conf.force;
4030
4031	if (unsorted_dump) {
4032		dump_trace = true;
4033		script.tool.ordered_events = false;
4034	}
4035
4036	if (symbol__validate_sym_arguments())
4037		return -1;
4038
4039	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4040		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4041		if (!rec_script_path)
4042			return cmd_record(argc, argv);
4043	}
4044
4045	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4046		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4047		if (!rep_script_path) {
4048			fprintf(stderr,
4049				"Please specify a valid report script"
4050				"(see 'perf script -l' for listing)\n");
4051			return -1;
4052		}
4053	}
4054
4055	if (reltime && deltatime) {
4056		fprintf(stderr,
4057			"reltime and deltatime - the two don't get along well. "
4058			"Please limit to --reltime or --deltatime.\n");
4059		return -1;
4060	}
4061
4062	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4063	    itrace_synth_opts.callchain_sz > scripting_max_stack)
4064		scripting_max_stack = itrace_synth_opts.callchain_sz;
4065
4066	/* make sure PERF_EXEC_PATH is set for scripts */
4067	set_argv_exec_path(get_argv_exec_path());
4068
4069	if (argc && !script_name && !rec_script_path && !rep_script_path) {
4070		int live_pipe[2];
4071		int rep_args;
4072		pid_t pid;
4073
4074		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4075		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4076
4077		if (!rec_script_path && !rep_script_path) {
4078			script_name = find_script(argv[0]);
4079			if (script_name) {
4080				argc -= 1;
4081				argv += 1;
4082				goto script_found;
4083			}
4084			usage_with_options_msg(script_usage, options,
4085				"Couldn't find script `%s'\n\n See perf"
4086				" script -l for available scripts.\n", argv[0]);
 
4087		}
4088
4089		if (is_top_script(argv[0])) {
4090			rep_args = argc - 1;
4091		} else {
4092			int rec_args;
4093
4094			rep_args = has_required_arg(rep_script_path);
4095			rec_args = (argc - 1) - rep_args;
4096			if (rec_args < 0) {
4097				usage_with_options_msg(script_usage, options,
4098					"`%s' script requires options."
4099					"\n\n See perf script -l for available "
4100					"scripts and options.\n", argv[0]);
 
4101			}
4102		}
4103
4104		if (pipe(live_pipe) < 0) {
4105			perror("failed to create pipe");
4106			return -1;
4107		}
4108
4109		pid = fork();
4110		if (pid < 0) {
4111			perror("failed to fork");
4112			return -1;
4113		}
4114
4115		if (!pid) {
 
4116			j = 0;
4117
4118			dup2(live_pipe[1], 1);
4119			close(live_pipe[0]);
4120
4121			if (is_top_script(argv[0])) {
4122				system_wide = true;
4123			} else if (!system_wide) {
4124				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4125					err = -1;
4126					goto out;
4127				}
4128			}
4129
4130			__argv = malloc((argc + 6) * sizeof(const char *));
4131			if (!__argv) {
4132				pr_err("malloc failed\n");
4133				err = -ENOMEM;
4134				goto out;
4135			}
4136
4137			__argv[j++] = "/bin/sh";
4138			__argv[j++] = rec_script_path;
4139			if (system_wide)
4140				__argv[j++] = "-a";
4141			__argv[j++] = "-q";
4142			__argv[j++] = "-o";
4143			__argv[j++] = "-";
4144			for (i = rep_args + 1; i < argc; i++)
4145				__argv[j++] = argv[i];
4146			__argv[j++] = NULL;
4147
4148			execvp("/bin/sh", (char **)__argv);
4149			free(__argv);
4150			exit(-1);
4151		}
4152
4153		dup2(live_pipe[0], 0);
4154		close(live_pipe[1]);
4155
4156		__argv = malloc((argc + 4) * sizeof(const char *));
4157		if (!__argv) {
4158			pr_err("malloc failed\n");
4159			err = -ENOMEM;
4160			goto out;
4161		}
4162
4163		j = 0;
4164		__argv[j++] = "/bin/sh";
4165		__argv[j++] = rep_script_path;
4166		for (i = 1; i < rep_args + 1; i++)
4167			__argv[j++] = argv[i];
4168		__argv[j++] = "-i";
4169		__argv[j++] = "-";
4170		__argv[j++] = NULL;
4171
4172		execvp("/bin/sh", (char **)__argv);
4173		free(__argv);
4174		exit(-1);
4175	}
4176script_found:
4177	if (rec_script_path)
4178		script_path = rec_script_path;
4179	if (rep_script_path)
4180		script_path = rep_script_path;
4181
4182	if (script_path) {
 
4183		j = 0;
4184
4185		if (!rec_script_path)
4186			system_wide = false;
4187		else if (!system_wide) {
4188			if (have_cmd(argc - 1, &argv[1]) != 0) {
4189				err = -1;
4190				goto out;
4191			}
4192		}
4193
4194		__argv = malloc((argc + 2) * sizeof(const char *));
4195		if (!__argv) {
4196			pr_err("malloc failed\n");
4197			err = -ENOMEM;
4198			goto out;
4199		}
4200
4201		__argv[j++] = "/bin/sh";
4202		__argv[j++] = script_path;
4203		if (system_wide)
4204			__argv[j++] = "-a";
4205		for (i = 2; i < argc; i++)
4206			__argv[j++] = argv[i];
4207		__argv[j++] = NULL;
4208
4209		execvp("/bin/sh", (char **)__argv);
4210		free(__argv);
4211		exit(-1);
4212	}
4213
4214	if (dlfilter_file) {
4215		dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4216		if (!dlfilter)
4217			return -1;
4218	}
4219
4220	if (!script_name) {
4221		setup_pager();
4222		use_browser = 0;
4223	}
4224
4225	session = perf_session__new(&data, &script.tool);
4226	if (IS_ERR(session))
4227		return PTR_ERR(session);
4228
4229	if (header || header_only) {
4230		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4231		perf_session__fprintf_info(session, stdout, show_full_info);
4232		if (header_only)
4233			goto out_delete;
4234	}
4235	if (show_full_info)
4236		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4237
4238	if (symbol__init(&session->header.env) < 0)
4239		goto out_delete;
4240
4241	uname(&uts);
4242	if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4243		native_arch = true;
4244	} else if (session->header.env.arch) {
4245		if (!strcmp(uts.machine, session->header.env.arch))
4246			native_arch = true;
4247		else if (!strcmp(uts.machine, "x86_64") &&
4248			 !strcmp(session->header.env.arch, "i386"))
4249			native_arch = true;
4250	}
4251
4252	script.session = session;
4253	script__setup_sample_type(&script);
4254
4255	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4256	    symbol_conf.graph_function)
4257		itrace_synth_opts.thread_stack = true;
4258
4259	session->itrace_synth_opts = &itrace_synth_opts;
4260
4261	if (cpu_list) {
4262		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4263		if (err < 0)
4264			goto out_delete;
4265		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4266	}
4267
4268	if (!no_callchain)
4269		symbol_conf.use_callchain = true;
4270	else
4271		symbol_conf.use_callchain = false;
4272
4273#ifdef HAVE_LIBTRACEEVENT
4274	if (session->tevent.pevent &&
4275	    tep_set_function_resolver(session->tevent.pevent,
4276				      machine__resolve_kernel_addr,
4277				      &session->machines.host) < 0) {
4278		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4279		err = -1;
4280		goto out_delete;
4281	}
4282#endif
4283	if (generate_script_lang) {
4284		struct stat perf_stat;
4285		int input;
4286
4287		if (output_set_by_user()) {
4288			fprintf(stderr,
4289				"custom fields not supported for generated scripts");
4290			err = -EINVAL;
4291			goto out_delete;
4292		}
4293
4294		input = open(data.path, O_RDONLY);	/* input_name */
4295		if (input < 0) {
4296			err = -errno;
4297			perror("failed to open file");
4298			goto out_delete;
4299		}
4300
4301		err = fstat(input, &perf_stat);
4302		if (err < 0) {
4303			perror("failed to stat file");
4304			goto out_delete;
4305		}
4306
4307		if (!perf_stat.st_size) {
4308			fprintf(stderr, "zero-sized file, nothing to do!\n");
4309			goto out_delete;
4310		}
4311
4312		scripting_ops = script_spec__lookup(generate_script_lang);
4313		if (!scripting_ops) {
4314			fprintf(stderr, "invalid language specifier");
4315			err = -ENOENT;
4316			goto out_delete;
4317		}
4318#ifdef HAVE_LIBTRACEEVENT
4319		err = scripting_ops->generate_script(session->tevent.pevent,
4320						     "perf-script");
4321#else
4322		err = scripting_ops->generate_script(NULL, "perf-script");
4323#endif
4324		goto out_delete;
4325	}
4326
4327	err = dlfilter__start(dlfilter, session);
4328	if (err)
4329		goto out_delete;
4330
4331	if (script_name) {
4332		err = scripting_ops->start_script(script_name, argc, argv, session);
4333		if (err)
4334			goto out_delete;
4335		pr_debug("perf script started with script %s\n\n", script_name);
4336		script_started = true;
4337	}
4338
4339
4340	err = perf_session__check_output_opt(session);
4341	if (err < 0)
4342		goto out_delete;
4343
4344	if (script.time_str) {
4345		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4346						  &script.ptime_range,
4347						  &script.range_size,
4348						  &script.range_num,
4349						  reltime);
4350		if (err < 0)
4351			goto out_delete;
4352
4353		itrace_synth_opts__set_time_range(&itrace_synth_opts,
4354						  script.ptime_range,
4355						  script.range_num);
4356	}
4357
4358	err = evswitch__init(&script.evswitch, session->evlist, stderr);
4359	if (err)
4360		goto out_delete;
4361
4362	if (zstd_init(&(session->zstd_data), 0) < 0)
4363		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4364
4365	err = __cmd_script(&script);
4366
4367	flush_scripting();
4368
4369out_delete:
4370	if (script.ptime_range) {
4371		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4372		zfree(&script.ptime_range);
4373	}
4374
4375	zstd_fini(&(session->zstd_data));
4376	evlist__free_stats(session->evlist);
4377	perf_session__delete(session);
4378	perf_script__exit(&script);
4379
4380	if (script_started)
4381		cleanup_scripting();
4382	dlfilter__cleanup(dlfilter);
4383	free_dlarg();
4384out:
4385	return err;
4386}