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