blob: d1ce29be560e5e7dad2a2faca9a68c2246510a11 [file] [log] [blame]
Stephane Eranian028f12e2013-01-24 16:10:38 +01001#include "builtin.h"
2#include "perf.h"
3
Josh Poimboeuf4b6ab942015-12-15 09:39:39 -06004#include <subcmd/parse-options.h>
Stephane Eranian028f12e2013-01-24 16:10:38 +01005#include "util/trace-event.h"
6#include "util/tool.h"
7#include "util/session.h"
Jiri Olsaf5fc1412013-10-15 16:27:32 +02008#include "util/data.h"
Jiri Olsaacbe6132016-02-15 09:34:34 +01009#include "util/mem-events.h"
Jiri Olsace1e22b2016-02-15 09:34:35 +010010#include "util/debug.h"
Stephane Eranian028f12e2013-01-24 16:10:38 +010011
Stephane Eranian67121f82014-12-17 16:23:55 +010012#define MEM_OPERATION_LOAD 0x1
13#define MEM_OPERATION_STORE 0x2
Stephane Eranian028f12e2013-01-24 16:10:38 +010014
Stephane Eranian028f12e2013-01-24 16:10:38 +010015struct perf_mem {
16 struct perf_tool tool;
17 char const *input_name;
Stephane Eranian028f12e2013-01-24 16:10:38 +010018 bool hide_unresolved;
19 bool dump_raw;
Yunlong Song62a1a632015-04-02 21:47:15 +080020 bool force;
Arnaldo Carvalho de Melo66024122014-12-17 13:53:27 -030021 int operation;
Stephane Eranian028f12e2013-01-24 16:10:38 +010022 const char *cpu_list;
23 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
24};
25
Jiri Olsace1e22b2016-02-15 09:34:35 +010026static 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
Jiri Olsa54fbad52016-02-24 09:46:42 +010043 fprintf(stderr, "%-13s%-*s%s\n",
44 e->tag,
45 verbose ? 25 : 0,
Jiri Olsa2ba7ac52016-02-24 09:46:43 +010046 verbose ? perf_mem_events__name(j) : "",
Jiri Olsa54fbad52016-02-24 09:46:42 +010047 e->supported ? ": available" : "");
Jiri Olsace1e22b2016-02-15 09:34:35 +010048 }
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
Arnaldo Carvalho de Melo66024122014-12-17 13:53:27 -030060static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
Stephane Eranian028f12e2013-01-24 16:10:38 +010061{
62 int rec_argc, i = 0, j;
63 const char **rec_argv;
Stephane Eranian028f12e2013-01-24 16:10:38 +010064 int ret;
Jiri Olsaad165112016-03-24 13:52:16 +010065 bool all_user = false, all_kernel = false;
Jiri Olsace1e22b2016-02-15 09:34:35 +010066 struct option options[] = {
67 OPT_CALLBACK('e', "event", &mem, "event",
68 "event selector. use 'perf mem record -e list' to list available events",
69 parse_record_events),
Jiri Olsab0d745b2016-06-14 20:19:11 +020070 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
Jiri Olsace1e22b2016-02-15 09:34:35 +010071 OPT_INCR('v', "verbose", &verbose,
72 "be more verbose (show counter open errors, etc)"),
Jiri Olsaad165112016-03-24 13:52:16 +010073 OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"),
74 OPT_BOOLEAN('K', "--all-kernel", &all_kernel, "collect only kernel level data"),
Jiri Olsace1e22b2016-02-15 09:34:35 +010075 OPT_END()
76 };
77
78 argc = parse_options(argc, argv, options, record_mem_usage,
79 PARSE_OPT_STOP_AT_NON_OPTION);
Stephane Eranian028f12e2013-01-24 16:10:38 +010080
Jiri Olsaad165112016-03-24 13:52:16 +010081 rec_argc = argc + 9; /* max number of arguments */
Stephane Eranian028f12e2013-01-24 16:10:38 +010082 rec_argv = calloc(rec_argc + 1, sizeof(char *));
83 if (!rec_argv)
84 return -1;
85
Stephane Eranian67121f82014-12-17 16:23:55 +010086 rec_argv[i++] = "record";
Stephane Eranian028f12e2013-01-24 16:10:38 +010087
Jiri Olsace1e22b2016-02-15 09:34:35 +010088 if (mem->operation & MEM_OPERATION_LOAD)
Jiri Olsaacbe6132016-02-15 09:34:34 +010089 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
Jiri Olsace1e22b2016-02-15 09:34:35 +010090
Jiri Olsa33da54f2016-08-11 10:50:57 +020091 if (mem->operation & MEM_OPERATION_STORE)
92 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
93
Jiri Olsace1e22b2016-02-15 09:34:35 +010094 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
Stephane Eranian67121f82014-12-17 16:23:55 +010095 rec_argv[i++] = "-W";
Stephane Eranian028f12e2013-01-24 16:10:38 +010096
Stephane Eranian67121f82014-12-17 16:23:55 +010097 rec_argv[i++] = "-d";
98
Jiri Olsaacbe6132016-02-15 09:34:34 +010099 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
100 if (!perf_mem_events[j].record)
101 continue;
Stephane Eranian67121f82014-12-17 16:23:55 +0100102
Jiri Olsa54fbad52016-02-24 09:46:42 +0100103 if (!perf_mem_events[j].supported) {
104 pr_err("failed: event '%s' not supported\n",
Jiri Olsa2ba7ac52016-02-24 09:46:43 +0100105 perf_mem_events__name(j));
Jiri Olsa54fbad52016-02-24 09:46:42 +0100106 return -1;
107 }
108
Stephane Eranian67121f82014-12-17 16:23:55 +0100109 rec_argv[i++] = "-e";
Jiri Olsa2ba7ac52016-02-24 09:46:43 +0100110 rec_argv[i++] = perf_mem_events__name(j);
Jiri Olsaacbe6132016-02-15 09:34:34 +0100111 };
Stephane Eranian67121f82014-12-17 16:23:55 +0100112
Jiri Olsaad165112016-03-24 13:52:16 +0100113 if (all_user)
114 rec_argv[i++] = "--all-user";
115
116 if (all_kernel)
117 rec_argv[i++] = "--all-kernel";
118
Jiri Olsace1e22b2016-02-15 09:34:35 +0100119 for (j = 0; j < argc; j++, i++)
Stephane Eranian028f12e2013-01-24 16:10:38 +0100120 rec_argv[i] = argv[j];
121
Jiri Olsace1e22b2016-02-15 09:34:35 +0100122 if (verbose > 0) {
123 pr_debug("calling: record ");
124
125 while (rec_argv[j]) {
126 pr_debug("%s ", rec_argv[j]);
127 j++;
128 }
129 pr_debug("\n");
130 }
131
Stephane Eranian028f12e2013-01-24 16:10:38 +0100132 ret = cmd_record(i, rec_argv, NULL);
133 free(rec_argv);
134 return ret;
135}
136
137static int
138dump_raw_samples(struct perf_tool *tool,
139 union perf_event *event,
140 struct perf_sample *sample,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100141 struct machine *machine)
142{
143 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
144 struct addr_location al;
145 const char *fmt;
146
Arnaldo Carvalho de Melobb3eb562016-03-22 18:39:09 -0300147 if (machine__resolve(machine, &al, sample) < 0) {
Stephane Eranian028f12e2013-01-24 16:10:38 +0100148 fprintf(stderr, "problem processing %d event, skipping it.\n",
149 event->header.type);
150 return -1;
151 }
152
153 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
Arnaldo Carvalho de Melob91fc392015-04-06 20:43:22 -0300154 goto out_put;
Stephane Eranian028f12e2013-01-24 16:10:38 +0100155
156 if (al.map != NULL)
157 al.map->dso->hit = 1;
158
159 if (symbol_conf.field_sep) {
160 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
161 "%s0x%"PRIx64"%s%s:%s\n";
162 } else {
163 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
164 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
165 symbol_conf.field_sep = " ";
166 }
167
168 printf(fmt,
169 sample->pid,
170 symbol_conf.field_sep,
171 sample->tid,
172 symbol_conf.field_sep,
Adrian Hunteref893252013-08-27 11:23:06 +0300173 sample->ip,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100174 symbol_conf.field_sep,
175 sample->addr,
176 symbol_conf.field_sep,
177 sample->weight,
178 symbol_conf.field_sep,
179 sample->data_src,
180 symbol_conf.field_sep,
181 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
182 al.sym ? al.sym->name : "???");
Arnaldo Carvalho de Melob91fc392015-04-06 20:43:22 -0300183out_put:
184 addr_location__put(&al);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100185 return 0;
186}
187
188static int process_sample_event(struct perf_tool *tool,
189 union perf_event *event,
190 struct perf_sample *sample,
Arnaldo Carvalho de Melo8b640cc2013-12-19 17:00:45 -0300191 struct perf_evsel *evsel __maybe_unused,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100192 struct machine *machine)
193{
Arnaldo Carvalho de Melo8b640cc2013-12-19 17:00:45 -0300194 return dump_raw_samples(tool, event, sample, machine);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100195}
196
197static int report_raw_events(struct perf_mem *mem)
198{
Jiri Olsaf5fc1412013-10-15 16:27:32 +0200199 struct perf_data_file file = {
200 .path = input_name,
201 .mode = PERF_DATA_MODE_READ,
Yunlong Song62a1a632015-04-02 21:47:15 +0800202 .force = mem->force,
Jiri Olsaf5fc1412013-10-15 16:27:32 +0200203 };
Stephane Eranian028f12e2013-01-24 16:10:38 +0100204 int ret;
Jiri Olsaf5fc1412013-10-15 16:27:32 +0200205 struct perf_session *session = perf_session__new(&file, false,
206 &mem->tool);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100207
208 if (session == NULL)
Taeung Song52e028342014-09-24 10:33:37 +0900209 return -1;
Stephane Eranian028f12e2013-01-24 16:10:38 +0100210
211 if (mem->cpu_list) {
212 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
213 mem->cpu_bitmap);
Taeung Song1df9fade2015-07-01 21:08:19 +0900214 if (ret < 0)
Stephane Eranian028f12e2013-01-24 16:10:38 +0100215 goto out_delete;
216 }
217
Taeung Song1df9fade2015-07-01 21:08:19 +0900218 ret = symbol__init(&session->header.env);
219 if (ret < 0)
220 goto out_delete;
Stephane Eranian028f12e2013-01-24 16:10:38 +0100221
222 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
223
Taeung Song1df9fade2015-07-01 21:08:19 +0900224 ret = perf_session__process_events(session);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100225
226out_delete:
227 perf_session__delete(session);
Taeung Song1df9fade2015-07-01 21:08:19 +0900228 return ret;
Stephane Eranian028f12e2013-01-24 16:10:38 +0100229}
230
231static int report_events(int argc, const char **argv, struct perf_mem *mem)
232{
233 const char **rep_argv;
234 int ret, i = 0, j, rep_argc;
235
236 if (mem->dump_raw)
237 return report_raw_events(mem);
238
239 rep_argc = argc + 3;
240 rep_argv = calloc(rep_argc + 1, sizeof(char *));
241 if (!rep_argv)
242 return -1;
243
Stephane Eranian67121f82014-12-17 16:23:55 +0100244 rep_argv[i++] = "report";
245 rep_argv[i++] = "--mem-mode";
246 rep_argv[i++] = "-n"; /* display number of samples */
Stephane Eranian028f12e2013-01-24 16:10:38 +0100247
248 /*
249 * there is no weight (cost) associated with stores, so don't print
250 * the column
251 */
Arnaldo Carvalho de Melo66024122014-12-17 13:53:27 -0300252 if (!(mem->operation & MEM_OPERATION_LOAD))
Stephane Eranian67121f82014-12-17 16:23:55 +0100253 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
254 "dso_daddr,tlb,locked";
Stephane Eranian028f12e2013-01-24 16:10:38 +0100255
256 for (j = 1; j < argc; j++, i++)
257 rep_argv[i] = argv[j];
258
259 ret = cmd_report(i, rep_argv, NULL);
260 free(rep_argv);
261 return ret;
262}
263
Stephane Eranian67121f82014-12-17 16:23:55 +0100264struct mem_mode {
265 const char *name;
266 int mode;
267};
268
269#define MEM_OPT(n, m) \
270 { .name = n, .mode = (m) }
271
272#define MEM_END { .name = NULL }
273
274static const struct mem_mode mem_modes[]={
275 MEM_OPT("load", MEM_OPERATION_LOAD),
276 MEM_OPT("store", MEM_OPERATION_STORE),
277 MEM_END
278};
279
280static int
281parse_mem_ops(const struct option *opt, const char *str, int unset)
282{
283 int *mode = (int *)opt->value;
284 const struct mem_mode *m;
285 char *s, *os = NULL, *p;
286 int ret = -1;
287
288 if (unset)
289 return 0;
290
291 /* str may be NULL in case no arg is passed to -t */
292 if (str) {
293 /* because str is read-only */
294 s = os = strdup(str);
295 if (!s)
296 return -1;
297
298 /* reset mode */
299 *mode = 0;
300
301 for (;;) {
302 p = strchr(s, ',');
303 if (p)
304 *p = '\0';
305
306 for (m = mem_modes; m->name; m++) {
307 if (!strcasecmp(s, m->name))
308 break;
309 }
310 if (!m->name) {
311 fprintf(stderr, "unknown sampling op %s,"
312 " check man page\n", s);
313 goto error;
314 }
315
316 *mode |= m->mode;
317
318 if (!p)
319 break;
320
321 s = p + 1;
322 }
323 }
324 ret = 0;
325
326 if (*mode == 0)
327 *mode = MEM_OPERATION_LOAD;
328error:
329 free(os);
330 return ret;
331}
332
Stephane Eranian028f12e2013-01-24 16:10:38 +0100333int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
334{
335 struct stat st;
336 struct perf_mem mem = {
337 .tool = {
338 .sample = process_sample_event,
339 .mmap = perf_event__process_mmap,
Stephane Eranian5c5e8542013-08-21 12:10:25 +0200340 .mmap2 = perf_event__process_mmap2,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100341 .comm = perf_event__process_comm,
342 .lost = perf_event__process_lost,
343 .fork = perf_event__process_fork,
344 .build_id = perf_event__process_build_id,
Jiri Olsa0a8cb852014-07-06 14:18:21 +0200345 .ordered_events = true,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100346 },
347 .input_name = "perf.data",
Arnaldo Carvalho de Melo66024122014-12-17 13:53:27 -0300348 /*
349 * default to both load an store sampling
350 */
351 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100352 };
353 const struct option mem_options[] = {
Arnaldo Carvalho de Melo66024122014-12-17 13:53:27 -0300354 OPT_CALLBACK('t', "type", &mem.operation,
Stephane Eranian67121f82014-12-17 16:23:55 +0100355 "type", "memory operations(load,store) Default load,store",
356 parse_mem_ops),
Stephane Eranian028f12e2013-01-24 16:10:38 +0100357 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
358 "dump raw samples in ASCII"),
359 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
360 "Only display entries resolved to a symbol"),
361 OPT_STRING('i', "input", &input_name, "file",
362 "input file name"),
363 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
364 "list of cpus to profile"),
Wang Nan8b8ca6e2015-03-20 02:57:52 +0000365 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100366 "separator",
367 "separator for columns, no spaces will be added"
368 " between columns '.' is reserved."),
Yunlong Song62a1a632015-04-02 21:47:15 +0800369 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
Stephane Eranian028f12e2013-01-24 16:10:38 +0100370 OPT_END()
371 };
Ramkumar Ramachandra8d2a2a12014-03-14 23:17:52 -0400372 const char *const mem_subcommands[] = { "record", "report", NULL };
373 const char *mem_usage[] = {
374 NULL,
375 NULL
376 };
Stephane Eranian028f12e2013-01-24 16:10:38 +0100377
Jiri Olsa54fbad52016-02-24 09:46:42 +0100378 if (perf_mem_events__init()) {
379 pr_err("failed: memory events not supported\n");
380 return -1;
381 }
382
Ramkumar Ramachandra8d2a2a12014-03-14 23:17:52 -0400383 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
384 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100385
Arnaldo Carvalho de Melo66024122014-12-17 13:53:27 -0300386 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
Stephane Eranian028f12e2013-01-24 16:10:38 +0100387 usage_with_options(mem_usage, mem_options);
388
389 if (!mem.input_name || !strlen(mem.input_name)) {
390 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
391 mem.input_name = "-";
392 else
393 mem.input_name = "perf.data";
394 }
395
396 if (!strncmp(argv[0], "rec", 3))
Arnaldo Carvalho de Melo66024122014-12-17 13:53:27 -0300397 return __cmd_record(argc, argv, &mem);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100398 else if (!strncmp(argv[0], "rep", 3))
399 return report_events(argc, argv, &mem);
400 else
401 usage_with_options(mem_usage, mem_options);
402
403 return 0;
404}