[linux.git] / tools / perf / builtin-mem.c

#include "builtin.h"
#include "perf.h"

#include <subcmd/parse-options.h>
#include "util/trace-event.h"
#include "util/tool.h"
#include "util/session.h"
#include "util/data.h"
#include "util/mem-events.h"
#include "util/debug.h"

#define MEM_OPERATION_LOAD	0x1
#define MEM_OPERATION_STORE	0x2

struct perf_mem {
	struct perf_tool	tool;
	char const		*input_name;
	bool			hide_unresolved;
	bool			dump_raw;
	bool			force;
	int			operation;
	const char		*cpu_list;
	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};

static int parse_record_events(const struct option *opt,
			       const char *str, int unset __maybe_unused)
{
	struct perf_mem *mem = *(struct perf_mem **)opt->value;
	int j;

	if (strcmp(str, "list")) {
		if (!perf_mem_events__parse(str)) {
			mem->operation = 0;
			return 0;
		}
		exit(-1);
	}

	for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
		struct perf_mem_event *e = &perf_mem_events[j];

		fprintf(stderr, "%-13s%-*s%s\n",
			e->tag,
			verbose ? 25 : 0,
			verbose ? perf_mem_events__name(j) : "",
			e->supported ? ": available" : "");
	}
	exit(0);
}

static const char * const __usage[] = {
	"perf mem record [<options>] [<command>]",
	"perf mem record [<options>] -- <command> [<options>]",
	NULL
};

static const char * const *record_mem_usage = __usage;

static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
{
	int rec_argc, i = 0, j;
	const char **rec_argv;
	int ret;
	bool all_user = false, all_kernel = false;
	struct option options[] = {
	OPT_CALLBACK('e', "event", &mem, "event",
		     "event selector. use 'perf mem record -e list' to list available events",
		     parse_record_events),
	OPT_INCR('v', "verbose", &verbose,
		 "be more verbose (show counter open errors, etc)"),
	OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"),
	OPT_BOOLEAN('K', "--all-kernel", &all_kernel, "collect only kernel level data"),
	OPT_END()
	};

	argc = parse_options(argc, argv, options, record_mem_usage,
			     PARSE_OPT_STOP_AT_NON_OPTION);

	rec_argc = argc + 9; /* max number of arguments */
	rec_argv = calloc(rec_argc + 1, sizeof(char *));
	if (!rec_argv)
		return -1;

	rec_argv[i++] = "record";

	if (mem->operation & MEM_OPERATION_LOAD)
		perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;

	if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
		rec_argv[i++] = "-W";

	rec_argv[i++] = "-d";

	for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
		if (!perf_mem_events[j].record)
			continue;

		if (!perf_mem_events[j].supported) {
			pr_err("failed: event '%s' not supported\n",
			       perf_mem_events__name(j));
			return -1;
		}

		rec_argv[i++] = "-e";
		rec_argv[i++] = perf_mem_events__name(j);
	};

	if (all_user)
		rec_argv[i++] = "--all-user";

	if (all_kernel)
		rec_argv[i++] = "--all-kernel";

	for (j = 0; j < argc; j++, i++)
		rec_argv[i] = argv[j];

	if (verbose > 0) {
		pr_debug("calling: record ");

		while (rec_argv[j]) {
			pr_debug("%s ", rec_argv[j]);
			j++;
		}
		pr_debug("\n");
	}

	ret = cmd_record(i, rec_argv, NULL);
	free(rec_argv);
	return ret;
}

static int
dump_raw_samples(struct perf_tool *tool,
		 union perf_event *event,
		 struct perf_sample *sample,
		 struct machine *machine)
{
	struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
	struct addr_location al;
	const char *fmt;

	if (machine__resolve(machine, &al, sample) < 0) {
		fprintf(stderr, "problem processing %d event, skipping it.\n",
				event->header.type);
		return -1;
	}

	if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
		goto out_put;

	if (al.map != NULL)
		al.map->dso->hit = 1;

	if (symbol_conf.field_sep) {
		fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
		      "%s0x%"PRIx64"%s%s:%s\n";
	} else {
		fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
		      "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
		symbol_conf.field_sep = " ";
	}

	printf(fmt,
		sample->pid,
		symbol_conf.field_sep,
		sample->tid,
		symbol_conf.field_sep,
		sample->ip,
		symbol_conf.field_sep,
		sample->addr,
		symbol_conf.field_sep,
		sample->weight,
		symbol_conf.field_sep,
		sample->data_src,
		symbol_conf.field_sep,
		al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
		al.sym ? al.sym->name : "???");
out_put:
	addr_location__put(&al);
	return 0;
}

static int process_sample_event(struct perf_tool *tool,
				union perf_event *event,
				struct perf_sample *sample,
				struct perf_evsel *evsel __maybe_unused,
				struct machine *machine)
{
	return dump_raw_samples(tool, event, sample, machine);
}

static int report_raw_events(struct perf_mem *mem)
{
	struct perf_data_file file = {
		.path = input_name,
		.mode = PERF_DATA_MODE_READ,
		.force = mem->force,
	};
	int ret;
	struct perf_session *session = perf_session__new(&file, false,
							 &mem->tool);

	if (session == NULL)
		return -1;

	if (mem->cpu_list) {
		ret = perf_session__cpu_bitmap(session, mem->cpu_list,
					       mem->cpu_bitmap);
		if (ret < 0)
			goto out_delete;
	}

	ret = symbol__init(&session->header.env);
	if (ret < 0)
		goto out_delete;

	printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");

	ret = perf_session__process_events(session);

out_delete:
	perf_session__delete(session);
	return ret;
}

static int report_events(int argc, const char **argv, struct perf_mem *mem)
{
	const char **rep_argv;
	int ret, i = 0, j, rep_argc;

	if (mem->dump_raw)
		return report_raw_events(mem);

	rep_argc = argc + 3;
	rep_argv = calloc(rep_argc + 1, sizeof(char *));
	if (!rep_argv)
		return -1;

	rep_argv[i++] = "report";
	rep_argv[i++] = "--mem-mode";
	rep_argv[i++] = "-n"; /* display number of samples */

	/*
	 * there is no weight (cost) associated with stores, so don't print
	 * the column
	 */
	if (!(mem->operation & MEM_OPERATION_LOAD))
		rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
				"dso_daddr,tlb,locked";

	for (j = 1; j < argc; j++, i++)
		rep_argv[i] = argv[j];

	ret = cmd_report(i, rep_argv, NULL);
	free(rep_argv);
	return ret;
}

struct mem_mode {
	const char *name;
	int mode;
};

#define MEM_OPT(n, m) \
	{ .name = n, .mode = (m) }

#define MEM_END { .name = NULL }

static const struct mem_mode mem_modes[]={
	MEM_OPT("load", MEM_OPERATION_LOAD),
	MEM_OPT("store", MEM_OPERATION_STORE),
	MEM_END
};

static int
parse_mem_ops(const struct option *opt, const char *str, int unset)
{
	int *mode = (int *)opt->value;
	const struct mem_mode *m;
	char *s, *os = NULL, *p;
	int ret = -1;

	if (unset)
		return 0;

	/* str may be NULL in case no arg is passed to -t */
	if (str) {
		/* because str is read-only */
		s = os = strdup(str);
		if (!s)
			return -1;

		/* reset mode */
		*mode = 0;

		for (;;) {
			p = strchr(s, ',');
			if (p)
				*p = '\0';

			for (m = mem_modes; m->name; m++) {
				if (!strcasecmp(s, m->name))
					break;
			}
			if (!m->name) {
				fprintf(stderr, "unknown sampling op %s,"
					    " check man page\n", s);
				goto error;
			}

			*mode |= m->mode;

			if (!p)
				break;

			s = p + 1;
		}
	}
	ret = 0;

	if (*mode == 0)
		*mode = MEM_OPERATION_LOAD;
error:
	free(os);
	return ret;
}

int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
{
	struct stat st;
	struct perf_mem mem = {
		.tool = {
			.sample		= process_sample_event,
			.mmap		= perf_event__process_mmap,
			.mmap2		= perf_event__process_mmap2,
			.comm		= perf_event__process_comm,
			.lost		= perf_event__process_lost,
			.fork		= perf_event__process_fork,
			.build_id	= perf_event__process_build_id,
			.ordered_events	= true,
		},
		.input_name		 = "perf.data",
		/*
		 * default to both load an store sampling
		 */
		.operation		 = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
	};
	const struct option mem_options[] = {
	OPT_CALLBACK('t', "type", &mem.operation,
		   "type", "memory operations(load,store) Default load,store",
		    parse_mem_ops),
	OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
		    "dump raw samples in ASCII"),
	OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
		    "Only display entries resolved to a symbol"),
	OPT_STRING('i', "input", &input_name, "file",
		   "input file name"),
	OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
		   "list of cpus to profile"),
	OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
		   "separator",
		   "separator for columns, no spaces will be added"
		   " between columns '.' is reserved."),
	OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
	OPT_END()
	};
	const char *const mem_subcommands[] = { "record", "report", NULL };
	const char *mem_usage[] = {
		NULL,
		NULL
	};

	if (perf_mem_events__init()) {
		pr_err("failed: memory events not supported\n");
		return -1;
	}

	argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
					mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);

	if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
		usage_with_options(mem_usage, mem_options);

	if (!mem.input_name || !strlen(mem.input_name)) {
		if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
			mem.input_name = "-";
		else
			mem.input_name = "perf.data";
	}

	if (!strncmp(argv[0], "rec", 3))
		return __cmd_record(argc, argv, &mem);
	else if (!strncmp(argv[0], "rep", 3))
		return report_events(argc, argv, &mem);
	else
		usage_with_options(mem_usage, mem_options);

	return 0;
}
Commit	Line	Data
028f12ee SE	1	#include "builtin.h"
	2	#include "perf.h"
	3
4b6ab94e	4	#include <subcmd/parse-options.h>
028f12ee SE	5	#include "util/trace-event.h"
	6	#include "util/tool.h"
	7	#include "util/session.h"
f5fc1412	8	#include "util/data.h"
acbe613e	9	#include "util/mem-events.h"
ce1e22b0	10	#include "util/debug.h"
028f12ee	11
67121f85 SE	12	#define MEM_OPERATION_LOAD 0x1
67121f85 SE	13	#define MEM_OPERATION_STORE 0x2
028f12ee	14
028f12ee SE	15	struct perf_mem {
	16	struct perf_tool tool;
	17	char const *input_name;
028f12ee SE	18	bool hide_unresolved;
028f12ee SE	19	bool dump_raw;
62a1a63a	20	bool force;
66024122	21	int operation;
028f12ee SE	22	const char *cpu_list;
	23	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
	24	};
	25
ce1e22b0 JO	26	static int parse_record_events(const struct option *opt,
	27	const char *str, int unset __maybe_unused)
	28	{
	29	struct perf_mem mem = (struct perf_mem **)opt->value;
	30	int j;
	31
	32	if (strcmp(str, "list")) {
	33	if (!perf_mem_events__parse(str)) {
	34	mem->operation = 0;
	35	return 0;
	36	}
	37	exit(-1);
	38	}
	39
	40	for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
	41	struct perf_mem_event *e = &perf_mem_events[j];
	42
54fbad54 JO	43	fprintf(stderr, "%-13s%-*s%s\n",
	44	e->tag,
	45	verbose ? 25 : 0,
2ba7ac58	46	verbose ? perf_mem_events__name(j) : "",
54fbad54	47	e->supported ? ": available" : "");
ce1e22b0 JO	48	}
	49	exit(0);
	50	}
	51
	52	static const char * const __usage[] = {
	53	"perf mem record [<options>] [<command>]",
	54	"perf mem record [<options>] -- <command> [<options>]",
	55	NULL
	56	};
	57
	58	static const char * const *record_mem_usage = __usage;
	59
66024122	60	static int __cmd_record(int argc, const char *argv, struct perf_mem mem)
028f12ee SE	61	{
	62	int rec_argc, i = 0, j;
	63	const char **rec_argv;
028f12ee	64	int ret;
ad16511b	65	bool all_user = false, all_kernel = false;
ce1e22b0 JO	66	struct option options[] = {
	67	OPT_CALLBACK('e', "event", &mem, "event",
	68	"event selector. use 'perf mem record -e list' to list available events",
	69	parse_record_events),
	70	OPT_INCR('v', "verbose", &verbose,
	71	"be more verbose (show counter open errors, etc)"),
ad16511b JO	72	OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"),
ad16511b JO	73	OPT_BOOLEAN('K', "--all-kernel", &all_kernel, "collect only kernel level data"),
ce1e22b0 JO	74	OPT_END()
	75	};
	76
	77	argc = parse_options(argc, argv, options, record_mem_usage,
	78	PARSE_OPT_STOP_AT_NON_OPTION);
028f12ee	79
ad16511b	80	rec_argc = argc + 9; /* max number of arguments */
028f12ee SE	81	rec_argv = calloc(rec_argc + 1, sizeof(char *));
	82	if (!rec_argv)
	83	return -1;
	84
67121f85	85	rec_argv[i++] = "record";
028f12ee	86
ce1e22b0	87	if (mem->operation & MEM_OPERATION_LOAD)
acbe613e	88	perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
ce1e22b0 JO	89
ce1e22b0 JO	90	if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
67121f85 SE	91	rec_argv[i++] = "-W";
	92
	93	rec_argv[i++] = "-d";
	94
acbe613e JO	95	for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
	96	if (!perf_mem_events[j].record)
	97	continue;
67121f85	98
54fbad54 JO	99	if (!perf_mem_events[j].supported) {
54fbad54 JO	100	pr_err("failed: event '%s' not supported\n",
2ba7ac58	101	perf_mem_events__name(j));
54fbad54 JO	102	return -1;
	103	}
	104
67121f85	105	rec_argv[i++] = "-e";
2ba7ac58	106	rec_argv[i++] = perf_mem_events__name(j);
acbe613e	107	};
028f12ee	108
ad16511b JO	109	if (all_user)
	110	rec_argv[i++] = "--all-user";
	111
	112	if (all_kernel)
	113	rec_argv[i++] = "--all-kernel";
	114
ce1e22b0	115	for (j = 0; j < argc; j++, i++)
028f12ee SE	116	rec_argv[i] = argv[j];
028f12ee SE	117
ce1e22b0 JO	118	if (verbose > 0) {
	119	pr_debug("calling: record ");
	120
	121	while (rec_argv[j]) {
	122	pr_debug("%s ", rec_argv[j]);
	123	j++;
	124	}
	125	pr_debug("\n");
	126	}
	127
028f12ee SE	128	ret = cmd_record(i, rec_argv, NULL);
	129	free(rec_argv);
	130	return ret;
	131	}
	132
	133	static int
	134	dump_raw_samples(struct perf_tool *tool,
	135	union perf_event *event,
	136	struct perf_sample *sample,
028f12ee SE	137	struct machine *machine)
	138	{
	139	struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
	140	struct addr_location al;
	141	const char *fmt;
	142
bb3eb566	143	if (machine__resolve(machine, &al, sample) < 0) {
028f12ee SE	144	fprintf(stderr, "problem processing %d event, skipping it.\n",
	145	event->header.type);
	146	return -1;
	147	}
	148
	149	if (al.filtered \|\| (mem->hide_unresolved && al.sym == NULL))
b91fc39f	150	goto out_put;
028f12ee SE	151
	152	if (al.map != NULL)
	153	al.map->dso->hit = 1;
	154
	155	if (symbol_conf.field_sep) {
	156	fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
	157	"%s0x%"PRIx64"%s%s:%s\n";
	158	} else {
	159	fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
	160	"%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
	161	symbol_conf.field_sep = " ";
	162	}
	163
	164	printf(fmt,
	165	sample->pid,
	166	symbol_conf.field_sep,
	167	sample->tid,
	168	symbol_conf.field_sep,
ef89325f	169	sample->ip,
028f12ee SE	170	symbol_conf.field_sep,
	171	sample->addr,
	172	symbol_conf.field_sep,
	173	sample->weight,
	174	symbol_conf.field_sep,
	175	sample->data_src,
	176	symbol_conf.field_sep,
	177	al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
	178	al.sym ? al.sym->name : "???");
b91fc39f ACM	179	out_put:
b91fc39f ACM	180	addr_location__put(&al);
028f12ee SE	181	return 0;
	182	}
	183
	184	static int process_sample_event(struct perf_tool *tool,
	185	union perf_event *event,
	186	struct perf_sample *sample,
8b640cc4	187	struct perf_evsel *evsel __maybe_unused,
028f12ee SE	188	struct machine *machine)
028f12ee SE	189	{
8b640cc4	190	return dump_raw_samples(tool, event, sample, machine);
028f12ee SE	191	}
	192
	193	static int report_raw_events(struct perf_mem *mem)
	194	{
f5fc1412 JO	195	struct perf_data_file file = {
	196	.path = input_name,
	197	.mode = PERF_DATA_MODE_READ,
62a1a63a	198	.force = mem->force,
f5fc1412	199	};
028f12ee	200	int ret;
f5fc1412 JO	201	struct perf_session *session = perf_session__new(&file, false,
f5fc1412 JO	202	&mem->tool);
028f12ee SE	203
028f12ee SE	204	if (session == NULL)
52e02834	205	return -1;
028f12ee SE	206
	207	if (mem->cpu_list) {
	208	ret = perf_session__cpu_bitmap(session, mem->cpu_list,
	209	mem->cpu_bitmap);
1df9fade	210	if (ret < 0)
028f12ee SE	211	goto out_delete;
	212	}
	213
1df9fade TS	214	ret = symbol__init(&session->header.env);
	215	if (ret < 0)
	216	goto out_delete;
028f12ee SE	217
	218	printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
	219
1df9fade	220	ret = perf_session__process_events(session);
028f12ee SE	221
	222	out_delete:
	223	perf_session__delete(session);
1df9fade	224	return ret;
028f12ee SE	225	}
	226
	227	static int report_events(int argc, const char *argv, struct perf_mem mem)
	228	{
	229	const char **rep_argv;
	230	int ret, i = 0, j, rep_argc;
	231
	232	if (mem->dump_raw)
	233	return report_raw_events(mem);
	234
	235	rep_argc = argc + 3;
	236	rep_argv = calloc(rep_argc + 1, sizeof(char *));
	237	if (!rep_argv)
	238	return -1;
	239
67121f85 SE	240	rep_argv[i++] = "report";
	241	rep_argv[i++] = "--mem-mode";
	242	rep_argv[i++] = "-n"; /* display number of samples */
028f12ee SE	243
	244	/*
	245	* there is no weight (cost) associated with stores, so don't print
	246	* the column
	247	*/
66024122	248	if (!(mem->operation & MEM_OPERATION_LOAD))
67121f85 SE	249	rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
67121f85 SE	250	"dso_daddr,tlb,locked";
028f12ee SE	251
	252	for (j = 1; j < argc; j++, i++)
	253	rep_argv[i] = argv[j];
	254
	255	ret = cmd_report(i, rep_argv, NULL);
	256	free(rep_argv);
	257	return ret;
	258	}
	259
67121f85 SE	260	struct mem_mode {
	261	const char *name;
	262	int mode;
	263	};
	264
	265	#define MEM_OPT(n, m) \
	266	{ .name = n, .mode = (m) }
	267
	268	#define MEM_END { .name = NULL }
	269
	270	static const struct mem_mode mem_modes[]={
	271	MEM_OPT("load", MEM_OPERATION_LOAD),
	272	MEM_OPT("store", MEM_OPERATION_STORE),
	273	MEM_END
	274	};
	275
	276	static int
	277	parse_mem_ops(const struct option opt, const char str, int unset)
	278	{
	279	int mode = (int )opt->value;
	280	const struct mem_mode *m;
	281	char s, os = NULL, *p;
	282	int ret = -1;
	283
	284	if (unset)
	285	return 0;
	286
	287	/* str may be NULL in case no arg is passed to -t */
	288	if (str) {
	289	/* because str is read-only */
	290	s = os = strdup(str);
	291	if (!s)
	292	return -1;
	293
	294	/* reset mode */
	295	*mode = 0;
	296
	297	for (;;) {
	298	p = strchr(s, ',');
	299	if (p)
	300	*p = '\0';
	301
	302	for (m = mem_modes; m->name; m++) {
	303	if (!strcasecmp(s, m->name))
	304	break;
	305	}
	306	if (!m->name) {
	307	fprintf(stderr, "unknown sampling op %s,"
	308	" check man page\n", s);
	309	goto error;
	310	}
	311
	312	*mode \|= m->mode;
	313
	314	if (!p)
	315	break;
	316
	317	s = p + 1;
	318	}
	319	}
	320	ret = 0;
	321
	322	if (*mode == 0)
	323	*mode = MEM_OPERATION_LOAD;
324	error:
325	free(os);
326	return ret;
327	}
328
028f12ee SE	329	int cmd_mem(int argc, const char *argv, const char prefix __maybe_unused)
	330	{
	331	struct stat st;
	332	struct perf_mem mem = {
	333	.tool = {
	334	.sample = process_sample_event,
	335	.mmap = perf_event__process_mmap,
5c5e854b	336	.mmap2 = perf_event__process_mmap2,
028f12ee SE	337	.comm = perf_event__process_comm,
	338	.lost = perf_event__process_lost,
	339	.fork = perf_event__process_fork,
	340	.build_id = perf_event__process_build_id,
0a8cb85c	341	.ordered_events = true,
028f12ee SE	342	},
028f12ee SE	343	.input_name = "perf.data",
66024122 ACM	344	/*
	345	* default to both load an store sampling
	346	*/
	347	.operation = MEM_OPERATION_LOAD \| MEM_OPERATION_STORE,
028f12ee SE	348	};
028f12ee SE	349	const struct option mem_options[] = {
66024122	350	OPT_CALLBACK('t', "type", &mem.operation,
67121f85 SE	351	"type", "memory operations(load,store) Default load,store",
67121f85 SE	352	parse_mem_ops),
028f12ee SE	353	OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
	354	"dump raw samples in ASCII"),
	355	OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
	356	"Only display entries resolved to a symbol"),
	357	OPT_STRING('i', "input", &input_name, "file",
	358	"input file name"),
	359	OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
	360	"list of cpus to profile"),
8b8ca6e1	361	OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
028f12ee SE	362	"separator",
	363	"separator for columns, no spaces will be added"
	364	" between columns '.' is reserved."),
62a1a63a	365	OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
028f12ee SE	366	OPT_END()
028f12ee SE	367	};
8d2a2a1d RR	368	const char *const mem_subcommands[] = { "record", "report", NULL };
	369	const char *mem_usage[] = {
	370	NULL,
	371	NULL
	372	};
	373
54fbad54 JO	374	if (perf_mem_events__init()) {
	375	pr_err("failed: memory events not supported\n");
	376	return -1;
	377	}
	378
8d2a2a1d RR	379	argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
8d2a2a1d RR	380	mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
028f12ee	381
66024122	382	if (!argc \|\| !(strncmp(argv[0], "rec", 3) \|\| mem.operation))
028f12ee SE	383	usage_with_options(mem_usage, mem_options);
	384
	385	if (!mem.input_name \|\| !strlen(mem.input_name)) {
	386	if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
	387	mem.input_name = "-";
	388	else
	389	mem.input_name = "perf.data";
	390	}
	391
	392	if (!strncmp(argv[0], "rec", 3))
66024122	393	return __cmd_record(argc, argv, &mem);
028f12ee SE	394	else if (!strncmp(argv[0], "rep", 3))
	395	return report_events(argc, argv, &mem);
	396	else
	397	usage_with_options(mem_usage, mem_options);
	398
	399	return 0;
	400	}