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