[mirror_ubuntu-bionic-kernel.git] / tools / perf / builtin-mem.c

// SPDX-License-Identifier: GPL-2.0
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#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"
#include "util/symbol.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;
	bool			phys_addr;
	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 > 0 ? 25 : 0,
			verbose > 0 ? 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_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
	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 (mem->operation & MEM_OPERATION_STORE)
		perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;

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

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

	if (mem->phys_addr)
		rec_argv[i++] = "--phys-data";

	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));
			free(rec_argv);
			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);
	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 (mem->phys_addr) {
		if (symbol_conf.field_sep) {
			fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s0x%016"PRIx64
			      "%s%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
		} else {
			fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
			      "%s0x%016"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->phys_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 : "???");
	} else {
		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 data = {
		.file      = {
			.path = input_name,
		},
		.mode      = PERF_DATA_MODE_READ,
		.force     = mem->force,
	};
	int ret;
	struct perf_session *session = perf_session__new(&data, 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;

	if (mem->phys_addr)
		printf("# PID, TID, IP, ADDR, PHYS ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
	else
		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)) {
		if (mem->phys_addr)
			rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
					"dso_daddr,tlb,locked,phys_daddr";
		else
			rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
					"dso_daddr,tlb,locked";
	} else if (mem->phys_addr)
		rep_argv[i++] = "--sort=local_weight,mem,sym,dso,symbol_daddr,"
				"dso_daddr,snoop,tlb,locked,phys_daddr";

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

	ret = cmd_report(i, rep_argv);
	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)
{
	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,
			.namespaces	= perf_event__process_namespaces,
			.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_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
	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
b2441318	1	// SPDX-License-Identifier: GPL-2.0
fd20e811	2	#include <inttypes.h>
7a8ef4c4 ACM	3	#include <sys/types.h>
	4	#include <sys/stat.h>
	5	#include <unistd.h>
028f12ee SE	6	#include "builtin.h"
	7	#include "perf.h"
	8
4b6ab94e	9	#include <subcmd/parse-options.h>
028f12ee SE	10	#include "util/trace-event.h"
	11	#include "util/tool.h"
	12	#include "util/session.h"
f5fc1412	13	#include "util/data.h"
acbe613e	14	#include "util/mem-events.h"
ce1e22b0	15	#include "util/debug.h"
e7ff8920	16	#include "util/symbol.h"
028f12ee	17
67121f85 SE	18	#define MEM_OPERATION_LOAD 0x1
67121f85 SE	19	#define MEM_OPERATION_STORE 0x2
028f12ee	20
028f12ee SE	21	struct perf_mem {
	22	struct perf_tool tool;
	23	char const *input_name;
028f12ee SE	24	bool hide_unresolved;
028f12ee SE	25	bool dump_raw;
62a1a63a	26	bool force;
c35aeb9d	27	bool phys_addr;
66024122	28	int operation;
028f12ee SE	29	const char *cpu_list;
	30	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
	31	};
	32
ce1e22b0 JO	33	static int parse_record_events(const struct option *opt,
	34	const char *str, int unset __maybe_unused)
	35	{
	36	struct perf_mem mem = (struct perf_mem **)opt->value;
	37	int j;
	38
	39	if (strcmp(str, "list")) {
	40	if (!perf_mem_events__parse(str)) {
	41	mem->operation = 0;
	42	return 0;
	43	}
	44	exit(-1);
	45	}
	46
	47	for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
	48	struct perf_mem_event *e = &perf_mem_events[j];
	49
54fbad54 JO	50	fprintf(stderr, "%-13s%-*s%s\n",
54fbad54 JO	51	e->tag,
bb963e16 NK	52	verbose > 0 ? 25 : 0,
bb963e16 NK	53	verbose > 0 ? perf_mem_events__name(j) : "",
54fbad54	54	e->supported ? ": available" : "");
ce1e22b0 JO	55	}
	56	exit(0);
	57	}
	58
	59	static const char * const __usage[] = {
	60	"perf mem record [<options>] [<command>]",
	61	"perf mem record [<options>] -- <command> [<options>]",
	62	NULL
	63	};
	64
	65	static const char * const *record_mem_usage = __usage;
	66
66024122	67	static int __cmd_record(int argc, const char *argv, struct perf_mem mem)
028f12ee SE	68	{
	69	int rec_argc, i = 0, j;
	70	const char **rec_argv;
028f12ee	71	int ret;
ad16511b	72	bool all_user = false, all_kernel = false;
ce1e22b0 JO	73	struct option options[] = {
	74	OPT_CALLBACK('e', "event", &mem, "event",
	75	"event selector. use 'perf mem record -e list' to list available events",
	76	parse_record_events),
b0d745b3	77	OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
ce1e22b0 JO	78	OPT_INCR('v', "verbose", &verbose,
ce1e22b0 JO	79	"be more verbose (show counter open errors, etc)"),
631ac41b JO	80	OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"),
631ac41b JO	81	OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"),
ce1e22b0 JO	82	OPT_END()
	83	};
	84
	85	argc = parse_options(argc, argv, options, record_mem_usage,
	86	PARSE_OPT_STOP_AT_NON_OPTION);
028f12ee	87
ad16511b	88	rec_argc = argc + 9; /* max number of arguments */
028f12ee SE	89	rec_argv = calloc(rec_argc + 1, sizeof(char *));
	90	if (!rec_argv)
	91	return -1;
	92
67121f85	93	rec_argv[i++] = "record";
028f12ee	94
ce1e22b0	95	if (mem->operation & MEM_OPERATION_LOAD)
acbe613e	96	perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
ce1e22b0	97
33da54fa JO	98	if (mem->operation & MEM_OPERATION_STORE)
	99	perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
	100
ce1e22b0	101	if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
67121f85 SE	102	rec_argv[i++] = "-W";
	103
	104	rec_argv[i++] = "-d";
	105
c35aeb9d KL	106	if (mem->phys_addr)
	107	rec_argv[i++] = "--phys-data";
	108
acbe613e JO	109	for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
	110	if (!perf_mem_events[j].record)
	111	continue;
67121f85	112
54fbad54 JO	113	if (!perf_mem_events[j].supported) {
54fbad54 JO	114	pr_err("failed: event '%s' not supported\n",
2ba7ac58	115	perf_mem_events__name(j));
c896f85a	116	free(rec_argv);
54fbad54 JO	117	return -1;
	118	}
	119
67121f85	120	rec_argv[i++] = "-e";
2ba7ac58	121	rec_argv[i++] = perf_mem_events__name(j);
acbe613e	122	};
028f12ee	123
ad16511b JO	124	if (all_user)
	125	rec_argv[i++] = "--all-user";
	126
	127	if (all_kernel)
	128	rec_argv[i++] = "--all-kernel";
	129
ce1e22b0	130	for (j = 0; j < argc; j++, i++)
028f12ee SE	131	rec_argv[i] = argv[j];
028f12ee SE	132
ce1e22b0 JO	133	if (verbose > 0) {
	134	pr_debug("calling: record ");
	135
	136	while (rec_argv[j]) {
	137	pr_debug("%s ", rec_argv[j]);
	138	j++;
	139	}
	140	pr_debug("\n");
	141	}
	142
b0ad8ea6	143	ret = cmd_record(i, rec_argv);
028f12ee SE	144	free(rec_argv);
	145	return ret;
	146	}
	147
	148	static int
	149	dump_raw_samples(struct perf_tool *tool,
	150	union perf_event *event,
	151	struct perf_sample *sample,
028f12ee SE	152	struct machine *machine)
	153	{
	154	struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
	155	struct addr_location al;
	156	const char *fmt;
	157
bb3eb566	158	if (machine__resolve(machine, &al, sample) < 0) {
028f12ee SE	159	fprintf(stderr, "problem processing %d event, skipping it.\n",
	160	event->header.type);
	161	return -1;
	162	}
	163
	164	if (al.filtered \|\| (mem->hide_unresolved && al.sym == NULL))
b91fc39f	165	goto out_put;
028f12ee SE	166
	167	if (al.map != NULL)
	168	al.map->dso->hit = 1;
	169
c35aeb9d KL	170	if (mem->phys_addr) {
	171	if (symbol_conf.field_sep) {
	172	fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s0x%016"PRIx64
	173	"%s%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
	174	} else {
	175	fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
	176	"%s0x%016"PRIx64"%s%5"PRIu64"%s0x%06"PRIx64
	177	"%s%s:%s\n";
	178	symbol_conf.field_sep = " ";
	179	}
	180
	181	printf(fmt,
	182	sample->pid,
	183	symbol_conf.field_sep,
	184	sample->tid,
	185	symbol_conf.field_sep,
	186	sample->ip,
	187	symbol_conf.field_sep,
	188	sample->addr,
	189	symbol_conf.field_sep,
	190	sample->phys_addr,
	191	symbol_conf.field_sep,
	192	sample->weight,
	193	symbol_conf.field_sep,
	194	sample->data_src,
	195	symbol_conf.field_sep,
	196	al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
	197	al.sym ? al.sym->name : "???");
028f12ee	198	} else {
c35aeb9d KL	199	if (symbol_conf.field_sep) {
	200	fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
	201	"%s0x%"PRIx64"%s%s:%s\n";
	202	} else {
	203	fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
	204	"%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
	205	symbol_conf.field_sep = " ";
	206	}
028f12ee	207
c35aeb9d KL	208	printf(fmt,
	209	sample->pid,
	210	symbol_conf.field_sep,
	211	sample->tid,
	212	symbol_conf.field_sep,
	213	sample->ip,
	214	symbol_conf.field_sep,
	215	sample->addr,
	216	symbol_conf.field_sep,
	217	sample->weight,
	218	symbol_conf.field_sep,
	219	sample->data_src,
	220	symbol_conf.field_sep,
	221	al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
	222	al.sym ? al.sym->name : "???");
	223	}
b91fc39f ACM	224	out_put:
b91fc39f ACM	225	addr_location__put(&al);
028f12ee SE	226	return 0;
	227	}
	228
	229	static int process_sample_event(struct perf_tool *tool,
	230	union perf_event *event,
	231	struct perf_sample *sample,
8b640cc4	232	struct perf_evsel *evsel __maybe_unused,
028f12ee SE	233	struct machine *machine)
028f12ee SE	234	{
8b640cc4	235	return dump_raw_samples(tool, event, sample, machine);
028f12ee SE	236	}
	237
	238	static int report_raw_events(struct perf_mem *mem)
	239	{
8ceb41d7	240	struct perf_data data = {
eae8ad80 JO	241	.file = {
	242	.path = input_name,
	243	},
	244	.mode = PERF_DATA_MODE_READ,
	245	.force = mem->force,
f5fc1412	246	};
028f12ee	247	int ret;
8ceb41d7	248	struct perf_session *session = perf_session__new(&data, false,
f5fc1412	249	&mem->tool);
028f12ee SE	250
028f12ee SE	251	if (session == NULL)
52e02834	252	return -1;
028f12ee SE	253
	254	if (mem->cpu_list) {
	255	ret = perf_session__cpu_bitmap(session, mem->cpu_list,
	256	mem->cpu_bitmap);
1df9fade	257	if (ret < 0)
028f12ee SE	258	goto out_delete;
	259	}
	260
1df9fade TS	261	ret = symbol__init(&session->header.env);
	262	if (ret < 0)
	263	goto out_delete;
028f12ee	264
c35aeb9d KL	265	if (mem->phys_addr)
	266	printf("# PID, TID, IP, ADDR, PHYS ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
	267	else
	268	printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
028f12ee	269
1df9fade	270	ret = perf_session__process_events(session);
028f12ee SE	271
	272	out_delete:
	273	perf_session__delete(session);
1df9fade	274	return ret;
028f12ee SE	275	}
	276
	277	static int report_events(int argc, const char *argv, struct perf_mem mem)
	278	{
	279	const char **rep_argv;
	280	int ret, i = 0, j, rep_argc;
	281
	282	if (mem->dump_raw)
	283	return report_raw_events(mem);
	284
	285	rep_argc = argc + 3;
	286	rep_argv = calloc(rep_argc + 1, sizeof(char *));
	287	if (!rep_argv)
	288	return -1;
	289
67121f85 SE	290	rep_argv[i++] = "report";
	291	rep_argv[i++] = "--mem-mode";
	292	rep_argv[i++] = "-n"; /* display number of samples */
028f12ee SE	293
	294	/*
	295	* there is no weight (cost) associated with stores, so don't print
	296	* the column
	297	*/
c35aeb9d KL	298	if (!(mem->operation & MEM_OPERATION_LOAD)) {
	299	if (mem->phys_addr)
	300	rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
	301	"dso_daddr,tlb,locked,phys_daddr";
	302	else
	303	rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
	304	"dso_daddr,tlb,locked";
	305	} else if (mem->phys_addr)
	306	rep_argv[i++] = "--sort=local_weight,mem,sym,dso,symbol_daddr,"
	307	"dso_daddr,snoop,tlb,locked,phys_daddr";
028f12ee SE	308
	309	for (j = 1; j < argc; j++, i++)
	310	rep_argv[i] = argv[j];
	311
b0ad8ea6	312	ret = cmd_report(i, rep_argv);
028f12ee SE	313	free(rep_argv);
	314	return ret;
	315	}
	316
67121f85 SE	317	struct mem_mode {
	318	const char *name;
	319	int mode;
	320	};
	321
	322	#define MEM_OPT(n, m) \
	323	{ .name = n, .mode = (m) }
	324
	325	#define MEM_END { .name = NULL }
	326
	327	static const struct mem_mode mem_modes[]={
	328	MEM_OPT("load", MEM_OPERATION_LOAD),
	329	MEM_OPT("store", MEM_OPERATION_STORE),
	330	MEM_END
	331	};
	332
	333	static int
	334	parse_mem_ops(const struct option opt, const char str, int unset)
	335	{
	336	int mode = (int )opt->value;
	337	const struct mem_mode *m;
	338	char s, os = NULL, *p;
	339	int ret = -1;
	340
	341	if (unset)
	342	return 0;
	343
	344	/* str may be NULL in case no arg is passed to -t */
	345	if (str) {
	346	/* because str is read-only */
	347	s = os = strdup(str);
	348	if (!s)
	349	return -1;
	350
	351	/* reset mode */
	352	*mode = 0;
	353
	354	for (;;) {
	355	p = strchr(s, ',');
	356	if (p)
	357	*p = '\0';
	358
	359	for (m = mem_modes; m->name; m++) {
	360	if (!strcasecmp(s, m->name))
	361	break;
	362	}
	363	if (!m->name) {
	364	fprintf(stderr, "unknown sampling op %s,"
	365	" check man page\n", s);
	366	goto error;
	367	}
	368
	369	*mode \|= m->mode;
	370
	371	if (!p)
	372	break;
	373
	374	s = p + 1;
	375	}
	376	}
	377	ret = 0;
	378
	379	if (*mode == 0)
	380	*mode = MEM_OPERATION_LOAD;
381	error:
382	free(os);
383	return ret;
384	}
385
b0ad8ea6	386	int cmd_mem(int argc, const char **argv)
028f12ee SE	387	{
	388	struct stat st;
	389	struct perf_mem mem = {
	390	.tool = {
	391	.sample = process_sample_event,
	392	.mmap = perf_event__process_mmap,
5c5e854b	393	.mmap2 = perf_event__process_mmap2,
028f12ee SE	394	.comm = perf_event__process_comm,
	395	.lost = perf_event__process_lost,
	396	.fork = perf_event__process_fork,
	397	.build_id = perf_event__process_build_id,
f3b3614a	398	.namespaces = perf_event__process_namespaces,
0a8cb85c	399	.ordered_events = true,
028f12ee SE	400	},
028f12ee SE	401	.input_name = "perf.data",
66024122 ACM	402	/*
	403	* default to both load an store sampling
	404	*/
	405	.operation = MEM_OPERATION_LOAD \| MEM_OPERATION_STORE,
028f12ee SE	406	};
028f12ee SE	407	const struct option mem_options[] = {
66024122	408	OPT_CALLBACK('t', "type", &mem.operation,
67121f85 SE	409	"type", "memory operations(load,store) Default load,store",
67121f85 SE	410	parse_mem_ops),
028f12ee SE	411	OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
	412	"dump raw samples in ASCII"),
	413	OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
	414	"Only display entries resolved to a symbol"),
	415	OPT_STRING('i', "input", &input_name, "file",
	416	"input file name"),
	417	OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
	418	"list of cpus to profile"),
8b8ca6e1	419	OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
028f12ee SE	420	"separator",
	421	"separator for columns, no spaces will be added"
	422	" between columns '.' is reserved."),
62a1a63a	423	OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
c35aeb9d	424	OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
028f12ee SE	425	OPT_END()
028f12ee SE	426	};
8d2a2a1d RR	427	const char *const mem_subcommands[] = { "record", "report", NULL };
	428	const char *mem_usage[] = {
	429	NULL,
	430	NULL
	431	};
	432
54fbad54 JO	433	if (perf_mem_events__init()) {
	434	pr_err("failed: memory events not supported\n");
	435	return -1;
	436	}
	437
8d2a2a1d RR	438	argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
8d2a2a1d RR	439	mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
028f12ee	440
66024122	441	if (!argc \|\| !(strncmp(argv[0], "rec", 3) \|\| mem.operation))
028f12ee SE	442	usage_with_options(mem_usage, mem_options);
	443
	444	if (!mem.input_name \|\| !strlen(mem.input_name)) {
	445	if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
	446	mem.input_name = "-";
	447	else
	448	mem.input_name = "perf.data";
	449	}
	450
	451	if (!strncmp(argv[0], "rec", 3))
66024122	452	return __cmd_record(argc, argv, &mem);
028f12ee SE	453	else if (!strncmp(argv[0], "rep", 3))
	454	return report_events(argc, argv, &mem);
	455	else
	456	usage_with_options(mem_usage, mem_options);
	457
	458	return 0;
	459	}