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1#include "builtin.h"
2#include "perf.h"
3
4#include <subcmd/parse-options.h>
5#include "util/trace-event.h"
6#include "util/tool.h"
7#include "util/session.h"
8#include "util/data.h"
9#include "util/mem-events.h"
10#include "util/debug.h"
11
12#define MEM_OPERATION_LOAD 0x1
13#define MEM_OPERATION_STORE 0x2
14
15struct perf_mem {
16 struct perf_tool tool;
17 char const *input_name;
18 bool hide_unresolved;
19 bool dump_raw;
20 bool force;
21 int operation;
22 const char *cpu_list;
23 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
24};
25
26static 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
43 fprintf(stderr, "%-13s%-*s%s\n",
44 e->tag,
45 verbose ? 25 : 0,
46 verbose ? perf_mem_events__name(j) : "",
47 e->supported ? ": available" : "");
48 }
49 exit(0);
50}
51
52static const char * const __usage[] = {
53 "perf mem record [<options>] [<command>]",
54 "perf mem record [<options>] -- <command> [<options>]",
55 NULL
56};
57
58static const char * const *record_mem_usage = __usage;
59
60static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
61{
62 int rec_argc, i = 0, j;
63 const char **rec_argv;
64 int ret;
65 struct option options[] = {
66 OPT_CALLBACK('e', "event", &mem, "event",
67 "event selector. use 'perf mem record -e list' to list available events",
68 parse_record_events),
69 OPT_INCR('v', "verbose", &verbose,
70 "be more verbose (show counter open errors, etc)"),
71 OPT_END()
72 };
73
74 argc = parse_options(argc, argv, options, record_mem_usage,
75 PARSE_OPT_STOP_AT_NON_OPTION);
76
77 rec_argc = argc + 7; /* max number of arguments */
78 rec_argv = calloc(rec_argc + 1, sizeof(char *));
79 if (!rec_argv)
80 return -1;
81
82 rec_argv[i++] = "record";
83
84 if (mem->operation & MEM_OPERATION_LOAD)
85 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
86
87 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
88 rec_argv[i++] = "-W";
89
90 rec_argv[i++] = "-d";
91
92 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
93 if (!perf_mem_events[j].record)
94 continue;
95
96 if (!perf_mem_events[j].supported) {
97 pr_err("failed: event '%s' not supported\n",
98 perf_mem_events__name(j));
99 return -1;
100 }
101
102 rec_argv[i++] = "-e";
103 rec_argv[i++] = perf_mem_events__name(j);
104 };
105
106 for (j = 0; j < argc; j++, i++)
107 rec_argv[i] = argv[j];
108
109 if (verbose > 0) {
110 pr_debug("calling: record ");
111
112 while (rec_argv[j]) {
113 pr_debug("%s ", rec_argv[j]);
114 j++;
115 }
116 pr_debug("\n");
117 }
118
119 ret = cmd_record(i, rec_argv, NULL);
120 free(rec_argv);
121 return ret;
122}
123
124static int
125dump_raw_samples(struct perf_tool *tool,
126 union perf_event *event,
127 struct perf_sample *sample,
128 struct machine *machine)
129{
130 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
131 struct addr_location al;
132 const char *fmt;
133
134 if (machine__resolve(machine, &al, sample) < 0) {
135 fprintf(stderr, "problem processing %d event, skipping it.\n",
136 event->header.type);
137 return -1;
138 }
139
140 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
141 goto out_put;
142
143 if (al.map != NULL)
144 al.map->dso->hit = 1;
145
146 if (symbol_conf.field_sep) {
147 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
148 "%s0x%"PRIx64"%s%s:%s\n";
149 } else {
150 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
151 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
152 symbol_conf.field_sep = " ";
153 }
154
155 printf(fmt,
156 sample->pid,
157 symbol_conf.field_sep,
158 sample->tid,
159 symbol_conf.field_sep,
160 sample->ip,
161 symbol_conf.field_sep,
162 sample->addr,
163 symbol_conf.field_sep,
164 sample->weight,
165 symbol_conf.field_sep,
166 sample->data_src,
167 symbol_conf.field_sep,
168 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
169 al.sym ? al.sym->name : "???");
170out_put:
171 addr_location__put(&al);
172 return 0;
173}
174
175static int process_sample_event(struct perf_tool *tool,
176 union perf_event *event,
177 struct perf_sample *sample,
178 struct perf_evsel *evsel __maybe_unused,
179 struct machine *machine)
180{
181 return dump_raw_samples(tool, event, sample, machine);
182}
183
184static int report_raw_events(struct perf_mem *mem)
185{
186 struct perf_data_file file = {
187 .path = input_name,
188 .mode = PERF_DATA_MODE_READ,
189 .force = mem->force,
190 };
191 int ret;
192 struct perf_session *session = perf_session__new(&file, false,
193 &mem->tool);
194
195 if (session == NULL)
196 return -1;
197
198 if (mem->cpu_list) {
199 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
200 mem->cpu_bitmap);
201 if (ret < 0)
202 goto out_delete;
203 }
204
205 ret = symbol__init(&session->header.env);
206 if (ret < 0)
207 goto out_delete;
208
209 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
210
211 ret = perf_session__process_events(session);
212
213out_delete:
214 perf_session__delete(session);
215 return ret;
216}
217
218static int report_events(int argc, const char **argv, struct perf_mem *mem)
219{
220 const char **rep_argv;
221 int ret, i = 0, j, rep_argc;
222
223 if (mem->dump_raw)
224 return report_raw_events(mem);
225
226 rep_argc = argc + 3;
227 rep_argv = calloc(rep_argc + 1, sizeof(char *));
228 if (!rep_argv)
229 return -1;
230
231 rep_argv[i++] = "report";
232 rep_argv[i++] = "--mem-mode";
233 rep_argv[i++] = "-n"; /* display number of samples */
234
235 /*
236 * there is no weight (cost) associated with stores, so don't print
237 * the column
238 */
239 if (!(mem->operation & MEM_OPERATION_LOAD))
240 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
241 "dso_daddr,tlb,locked";
242
243 for (j = 1; j < argc; j++, i++)
244 rep_argv[i] = argv[j];
245
246 ret = cmd_report(i, rep_argv, NULL);
247 free(rep_argv);
248 return ret;
249}
250
251struct mem_mode {
252 const char *name;
253 int mode;
254};
255
256#define MEM_OPT(n, m) \
257 { .name = n, .mode = (m) }
258
259#define MEM_END { .name = NULL }
260
261static const struct mem_mode mem_modes[]={
262 MEM_OPT("load", MEM_OPERATION_LOAD),
263 MEM_OPT("store", MEM_OPERATION_STORE),
264 MEM_END
265};
266
267static int
268parse_mem_ops(const struct option *opt, const char *str, int unset)
269{
270 int *mode = (int *)opt->value;
271 const struct mem_mode *m;
272 char *s, *os = NULL, *p;
273 int ret = -1;
274
275 if (unset)
276 return 0;
277
278 /* str may be NULL in case no arg is passed to -t */
279 if (str) {
280 /* because str is read-only */
281 s = os = strdup(str);
282 if (!s)
283 return -1;
284
285 /* reset mode */
286 *mode = 0;
287
288 for (;;) {
289 p = strchr(s, ',');
290 if (p)
291 *p = '\0';
292
293 for (m = mem_modes; m->name; m++) {
294 if (!strcasecmp(s, m->name))
295 break;
296 }
297 if (!m->name) {
298 fprintf(stderr, "unknown sampling op %s,"
299 " check man page\n", s);
300 goto error;
301 }
302
303 *mode |= m->mode;
304
305 if (!p)
306 break;
307
308 s = p + 1;
309 }
310 }
311 ret = 0;
312
313 if (*mode == 0)
314 *mode = MEM_OPERATION_LOAD;
315error:
316 free(os);
317 return ret;
318}
319
320int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
321{
322 struct stat st;
323 struct perf_mem mem = {
324 .tool = {
325 .sample = process_sample_event,
326 .mmap = perf_event__process_mmap,
327 .mmap2 = perf_event__process_mmap2,
328 .comm = perf_event__process_comm,
329 .lost = perf_event__process_lost,
330 .fork = perf_event__process_fork,
331 .build_id = perf_event__process_build_id,
332 .ordered_events = true,
333 },
334 .input_name = "perf.data",
335 /*
336 * default to both load an store sampling
337 */
338 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
339 };
340 const struct option mem_options[] = {
341 OPT_CALLBACK('t', "type", &mem.operation,
342 "type", "memory operations(load,store) Default load,store",
343 parse_mem_ops),
344 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
345 "dump raw samples in ASCII"),
346 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
347 "Only display entries resolved to a symbol"),
348 OPT_STRING('i', "input", &input_name, "file",
349 "input file name"),
350 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
351 "list of cpus to profile"),
352 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
353 "separator",
354 "separator for columns, no spaces will be added"
355 " between columns '.' is reserved."),
356 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
357 OPT_END()
358 };
359 const char *const mem_subcommands[] = { "record", "report", NULL };
360 const char *mem_usage[] = {
361 NULL,
362 NULL
363 };
364
365 if (perf_mem_events__init()) {
366 pr_err("failed: memory events not supported\n");
367 return -1;
368 }
369
370 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
371 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
372
373 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
374 usage_with_options(mem_usage, mem_options);
375
376 if (!mem.input_name || !strlen(mem.input_name)) {
377 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
378 mem.input_name = "-";
379 else
380 mem.input_name = "perf.data";
381 }
382
383 if (!strncmp(argv[0], "rec", 3))
384 return __cmd_record(argc, argv, &mem);
385 else if (!strncmp(argv[0], "rep", 3))
386 return report_events(argc, argv, &mem);
387 else
388 usage_with_options(mem_usage, mem_options);
389
390 return 0;
391}
1// SPDX-License-Identifier: GPL-2.0
2#include <inttypes.h>
3#include <sys/types.h>
4#include <sys/stat.h>
5#include <unistd.h>
6#include "builtin.h"
7
8#include <subcmd/parse-options.h>
9#include "util/auxtrace.h"
10#include "util/trace-event.h"
11#include "util/tool.h"
12#include "util/session.h"
13#include "util/data.h"
14#include "util/map_symbol.h"
15#include "util/mem-events.h"
16#include "util/debug.h"
17#include "util/dso.h"
18#include "util/map.h"
19#include "util/symbol.h"
20#include "util/pmus.h"
21#include "util/sample.h"
22#include "util/string2.h"
23#include "util/util.h"
24#include <linux/err.h>
25
26#define MEM_OPERATION_LOAD 0x1
27#define MEM_OPERATION_STORE 0x2
28
29struct perf_mem {
30 struct perf_tool tool;
31 char const *input_name;
32 bool hide_unresolved;
33 bool dump_raw;
34 bool force;
35 bool phys_addr;
36 bool data_page_size;
37 int operation;
38 const char *cpu_list;
39 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
40};
41
42static int parse_record_events(const struct option *opt,
43 const char *str, int unset __maybe_unused)
44{
45 struct perf_mem *mem = *(struct perf_mem **)opt->value;
46
47 if (!strcmp(str, "list")) {
48 perf_mem_events__list();
49 exit(0);
50 }
51 if (perf_mem_events__parse(str))
52 exit(-1);
53
54 mem->operation = 0;
55 return 0;
56}
57
58static const char * const __usage[] = {
59 "perf mem record [<options>] [<command>]",
60 "perf mem record [<options>] -- <command> [<options>]",
61 NULL
62};
63
64static const char * const *record_mem_usage = __usage;
65
66static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
67{
68 int rec_argc, i = 0, j, tmp_nr = 0;
69 int start, end;
70 const char **rec_argv;
71 char **rec_tmp;
72 int ret;
73 bool all_user = false, all_kernel = false;
74 struct perf_mem_event *e;
75 struct option options[] = {
76 OPT_CALLBACK('e', "event", &mem, "event",
77 "event selector. use 'perf mem record -e list' to list available events",
78 parse_record_events),
79 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
80 OPT_INCR('v', "verbose", &verbose,
81 "be more verbose (show counter open errors, etc)"),
82 OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"),
83 OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"),
84 OPT_END()
85 };
86
87 if (perf_mem_events__init()) {
88 pr_err("failed: memory events not supported\n");
89 return -1;
90 }
91
92 argc = parse_options(argc, argv, options, record_mem_usage,
93 PARSE_OPT_KEEP_UNKNOWN);
94
95 /* Max number of arguments multiplied by number of PMUs that can support them. */
96 rec_argc = argc + 9 * perf_pmus__num_mem_pmus();
97
98 if (mem->cpu_list)
99 rec_argc += 2;
100
101 rec_argv = calloc(rec_argc + 1, sizeof(char *));
102 if (!rec_argv)
103 return -1;
104
105 /*
106 * Save the allocated event name strings.
107 */
108 rec_tmp = calloc(rec_argc + 1, sizeof(char *));
109 if (!rec_tmp) {
110 free(rec_argv);
111 return -1;
112 }
113
114 rec_argv[i++] = "record";
115
116 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD_STORE);
117
118 /*
119 * The load and store operations are required, use the event
120 * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
121 */
122 if (e->tag &&
123 (mem->operation & MEM_OPERATION_LOAD) &&
124 (mem->operation & MEM_OPERATION_STORE)) {
125 e->record = true;
126 rec_argv[i++] = "-W";
127 } else {
128 if (mem->operation & MEM_OPERATION_LOAD) {
129 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
130 e->record = true;
131 }
132
133 if (mem->operation & MEM_OPERATION_STORE) {
134 e = perf_mem_events__ptr(PERF_MEM_EVENTS__STORE);
135 e->record = true;
136 }
137 }
138
139 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
140 if (e->record)
141 rec_argv[i++] = "-W";
142
143 rec_argv[i++] = "-d";
144
145 if (mem->phys_addr)
146 rec_argv[i++] = "--phys-data";
147
148 if (mem->data_page_size)
149 rec_argv[i++] = "--data-page-size";
150
151 start = i;
152 ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &tmp_nr);
153 if (ret)
154 goto out;
155 end = i;
156
157 if (all_user)
158 rec_argv[i++] = "--all-user";
159
160 if (all_kernel)
161 rec_argv[i++] = "--all-kernel";
162
163 if (mem->cpu_list) {
164 rec_argv[i++] = "-C";
165 rec_argv[i++] = mem->cpu_list;
166 }
167
168 for (j = 0; j < argc; j++, i++)
169 rec_argv[i] = argv[j];
170
171 if (verbose > 0) {
172 pr_debug("calling: record ");
173
174 for (j = start; j < end; j++)
175 pr_debug("%s ", rec_argv[j]);
176
177 pr_debug("\n");
178 }
179
180 ret = cmd_record(i, rec_argv);
181out:
182 for (i = 0; i < tmp_nr; i++)
183 free(rec_tmp[i]);
184
185 free(rec_tmp);
186 free(rec_argv);
187 return ret;
188}
189
190static int
191dump_raw_samples(struct perf_tool *tool,
192 union perf_event *event,
193 struct perf_sample *sample,
194 struct machine *machine)
195{
196 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
197 struct addr_location al;
198 const char *fmt, *field_sep;
199 char str[PAGE_SIZE_NAME_LEN];
200 struct dso *dso = NULL;
201
202 addr_location__init(&al);
203 if (machine__resolve(machine, &al, sample) < 0) {
204 fprintf(stderr, "problem processing %d event, skipping it.\n",
205 event->header.type);
206 addr_location__exit(&al);
207 return -1;
208 }
209
210 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
211 goto out_put;
212
213 if (al.map != NULL) {
214 dso = map__dso(al.map);
215 if (dso)
216 dso->hit = 1;
217 }
218
219 field_sep = symbol_conf.field_sep;
220 if (field_sep) {
221 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s";
222 } else {
223 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64"%s";
224 symbol_conf.field_sep = " ";
225 }
226 printf(fmt,
227 sample->pid,
228 symbol_conf.field_sep,
229 sample->tid,
230 symbol_conf.field_sep,
231 sample->ip,
232 symbol_conf.field_sep,
233 sample->addr,
234 symbol_conf.field_sep);
235
236 if (mem->phys_addr) {
237 printf("0x%016"PRIx64"%s",
238 sample->phys_addr,
239 symbol_conf.field_sep);
240 }
241
242 if (mem->data_page_size) {
243 printf("%s%s",
244 get_page_size_name(sample->data_page_size, str),
245 symbol_conf.field_sep);
246 }
247
248 if (field_sep)
249 fmt = "%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
250 else
251 fmt = "%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
252
253 printf(fmt,
254 sample->weight,
255 symbol_conf.field_sep,
256 sample->data_src,
257 symbol_conf.field_sep,
258 dso ? dso->long_name : "???",
259 al.sym ? al.sym->name : "???");
260out_put:
261 addr_location__exit(&al);
262 return 0;
263}
264
265static int process_sample_event(struct perf_tool *tool,
266 union perf_event *event,
267 struct perf_sample *sample,
268 struct evsel *evsel __maybe_unused,
269 struct machine *machine)
270{
271 return dump_raw_samples(tool, event, sample, machine);
272}
273
274static int report_raw_events(struct perf_mem *mem)
275{
276 struct itrace_synth_opts itrace_synth_opts = {
277 .set = true,
278 .mem = true, /* Only enable memory event */
279 .default_no_sample = true,
280 };
281
282 struct perf_data data = {
283 .path = input_name,
284 .mode = PERF_DATA_MODE_READ,
285 .force = mem->force,
286 };
287 int ret;
288 struct perf_session *session = perf_session__new(&data, &mem->tool);
289
290 if (IS_ERR(session))
291 return PTR_ERR(session);
292
293 session->itrace_synth_opts = &itrace_synth_opts;
294
295 if (mem->cpu_list) {
296 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
297 mem->cpu_bitmap);
298 if (ret < 0)
299 goto out_delete;
300 }
301
302 ret = symbol__init(&session->header.env);
303 if (ret < 0)
304 goto out_delete;
305
306 printf("# PID, TID, IP, ADDR, ");
307
308 if (mem->phys_addr)
309 printf("PHYS ADDR, ");
310
311 if (mem->data_page_size)
312 printf("DATA PAGE SIZE, ");
313
314 printf("LOCAL WEIGHT, DSRC, SYMBOL\n");
315
316 ret = perf_session__process_events(session);
317
318out_delete:
319 perf_session__delete(session);
320 return ret;
321}
322static char *get_sort_order(struct perf_mem *mem)
323{
324 bool has_extra_options = (mem->phys_addr | mem->data_page_size) ? true : false;
325 char sort[128];
326
327 /*
328 * there is no weight (cost) associated with stores, so don't print
329 * the column
330 */
331 if (!(mem->operation & MEM_OPERATION_LOAD)) {
332 strcpy(sort, "--sort=mem,sym,dso,symbol_daddr,"
333 "dso_daddr,tlb,locked");
334 } else if (has_extra_options) {
335 strcpy(sort, "--sort=local_weight,mem,sym,dso,symbol_daddr,"
336 "dso_daddr,snoop,tlb,locked,blocked");
337 } else
338 return NULL;
339
340 if (mem->phys_addr)
341 strcat(sort, ",phys_daddr");
342
343 if (mem->data_page_size)
344 strcat(sort, ",data_page_size");
345
346 return strdup(sort);
347}
348
349static int report_events(int argc, const char **argv, struct perf_mem *mem)
350{
351 const char **rep_argv;
352 int ret, i = 0, j, rep_argc;
353 char *new_sort_order;
354
355 if (mem->dump_raw)
356 return report_raw_events(mem);
357
358 rep_argc = argc + 3;
359 rep_argv = calloc(rep_argc + 1, sizeof(char *));
360 if (!rep_argv)
361 return -1;
362
363 rep_argv[i++] = "report";
364 rep_argv[i++] = "--mem-mode";
365 rep_argv[i++] = "-n"; /* display number of samples */
366
367 new_sort_order = get_sort_order(mem);
368 if (new_sort_order)
369 rep_argv[i++] = new_sort_order;
370
371 for (j = 1; j < argc; j++, i++)
372 rep_argv[i] = argv[j];
373
374 ret = cmd_report(i, rep_argv);
375 free(rep_argv);
376 return ret;
377}
378
379struct mem_mode {
380 const char *name;
381 int mode;
382};
383
384#define MEM_OPT(n, m) \
385 { .name = n, .mode = (m) }
386
387#define MEM_END { .name = NULL }
388
389static const struct mem_mode mem_modes[]={
390 MEM_OPT("load", MEM_OPERATION_LOAD),
391 MEM_OPT("store", MEM_OPERATION_STORE),
392 MEM_END
393};
394
395static int
396parse_mem_ops(const struct option *opt, const char *str, int unset)
397{
398 int *mode = (int *)opt->value;
399 const struct mem_mode *m;
400 char *s, *os = NULL, *p;
401 int ret = -1;
402
403 if (unset)
404 return 0;
405
406 /* str may be NULL in case no arg is passed to -t */
407 if (str) {
408 /* because str is read-only */
409 s = os = strdup(str);
410 if (!s)
411 return -1;
412
413 /* reset mode */
414 *mode = 0;
415
416 for (;;) {
417 p = strchr(s, ',');
418 if (p)
419 *p = '\0';
420
421 for (m = mem_modes; m->name; m++) {
422 if (!strcasecmp(s, m->name))
423 break;
424 }
425 if (!m->name) {
426 fprintf(stderr, "unknown sampling op %s,"
427 " check man page\n", s);
428 goto error;
429 }
430
431 *mode |= m->mode;
432
433 if (!p)
434 break;
435
436 s = p + 1;
437 }
438 }
439 ret = 0;
440
441 if (*mode == 0)
442 *mode = MEM_OPERATION_LOAD;
443error:
444 free(os);
445 return ret;
446}
447
448int cmd_mem(int argc, const char **argv)
449{
450 struct stat st;
451 struct perf_mem mem = {
452 .tool = {
453 .sample = process_sample_event,
454 .mmap = perf_event__process_mmap,
455 .mmap2 = perf_event__process_mmap2,
456 .comm = perf_event__process_comm,
457 .lost = perf_event__process_lost,
458 .fork = perf_event__process_fork,
459 .attr = perf_event__process_attr,
460 .build_id = perf_event__process_build_id,
461 .namespaces = perf_event__process_namespaces,
462 .auxtrace_info = perf_event__process_auxtrace_info,
463 .auxtrace = perf_event__process_auxtrace,
464 .auxtrace_error = perf_event__process_auxtrace_error,
465 .ordered_events = true,
466 },
467 .input_name = "perf.data",
468 /*
469 * default to both load an store sampling
470 */
471 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
472 };
473 const struct option mem_options[] = {
474 OPT_CALLBACK('t', "type", &mem.operation,
475 "type", "memory operations(load,store) Default load,store",
476 parse_mem_ops),
477 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
478 "dump raw samples in ASCII"),
479 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
480 "Only display entries resolved to a symbol"),
481 OPT_STRING('i', "input", &input_name, "file",
482 "input file name"),
483 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
484 "list of cpus to profile"),
485 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
486 "separator",
487 "separator for columns, no spaces will be added"
488 " between columns '.' is reserved."),
489 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
490 OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
491 OPT_BOOLEAN(0, "data-page-size", &mem.data_page_size, "Record/Report sample data address page size"),
492 OPT_END()
493 };
494 const char *const mem_subcommands[] = { "record", "report", NULL };
495 const char *mem_usage[] = {
496 NULL,
497 NULL
498 };
499
500 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
501 mem_usage, PARSE_OPT_KEEP_UNKNOWN);
502
503 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
504 usage_with_options(mem_usage, mem_options);
505
506 if (!mem.input_name || !strlen(mem.input_name)) {
507 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
508 mem.input_name = "-";
509 else
510 mem.input_name = "perf.data";
511 }
512
513 if (strlen(argv[0]) > 2 && strstarts("record", argv[0]))
514 return __cmd_record(argc, argv, &mem);
515 else if (strlen(argv[0]) > 2 && strstarts("report", argv[0]))
516 return report_events(argc, argv, &mem);
517 else
518 usage_with_options(mem_usage, mem_options);
519
520 return 0;
521}