8 #include <subcmd/parse-options.h>
9 #include "util/trace-event.h"
10 #include "util/tool.h"
11 #include "util/session.h"
12 #include "util/data.h"
13 #include "util/mem-events.h"
14 #include "util/debug.h"
15 #include "util/symbol.h"
17 #define MEM_OPERATION_LOAD 0x1
18 #define MEM_OPERATION_STORE 0x2
21 struct perf_tool tool;
22 char const *input_name;
29 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
32 static int parse_record_events(const struct option *opt,
33 const char *str, int unset __maybe_unused)
35 struct perf_mem *mem = *(struct perf_mem **)opt->value;
38 if (strcmp(str, "list")) {
39 if (!perf_mem_events__parse(str)) {
46 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
47 struct perf_mem_event *e = &perf_mem_events[j];
49 fprintf(stderr, "%-13s%-*s%s\n",
52 verbose > 0 ? perf_mem_events__name(j) : "",
53 e->supported ? ": available" : "");
58 static const char * const __usage[] = {
59 "perf mem record [<options>] [<command>]",
60 "perf mem record [<options>] -- <command> [<options>]",
64 static const char * const *record_mem_usage = __usage;
66 static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
68 int rec_argc, i = 0, j;
69 const char **rec_argv;
71 bool all_user = false, all_kernel = false;
72 struct option options[] = {
73 OPT_CALLBACK('e', "event", &mem, "event",
74 "event selector. use 'perf mem record -e list' to list available events",
76 OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
77 OPT_INCR('v', "verbose", &verbose,
78 "be more verbose (show counter open errors, etc)"),
79 OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"),
80 OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"),
84 argc = parse_options(argc, argv, options, record_mem_usage,
85 PARSE_OPT_STOP_AT_NON_OPTION);
87 rec_argc = argc + 9; /* max number of arguments */
88 rec_argv = calloc(rec_argc + 1, sizeof(char *));
92 rec_argv[i++] = "record";
94 if (mem->operation & MEM_OPERATION_LOAD)
95 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
97 if (mem->operation & MEM_OPERATION_STORE)
98 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
100 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
101 rec_argv[i++] = "-W";
103 rec_argv[i++] = "-d";
106 rec_argv[i++] = "--phys-data";
108 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
109 if (!perf_mem_events[j].record)
112 if (!perf_mem_events[j].supported) {
113 pr_err("failed: event '%s' not supported\n",
114 perf_mem_events__name(j));
118 rec_argv[i++] = "-e";
119 rec_argv[i++] = perf_mem_events__name(j);
123 rec_argv[i++] = "--all-user";
126 rec_argv[i++] = "--all-kernel";
128 for (j = 0; j < argc; j++, i++)
129 rec_argv[i] = argv[j];
132 pr_debug("calling: record ");
134 while (rec_argv[j]) {
135 pr_debug("%s ", rec_argv[j]);
141 ret = cmd_record(i, rec_argv);
147 dump_raw_samples(struct perf_tool *tool,
148 union perf_event *event,
149 struct perf_sample *sample,
150 struct machine *machine)
152 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
153 struct addr_location al;
156 if (machine__resolve(machine, &al, sample) < 0) {
157 fprintf(stderr, "problem processing %d event, skipping it.\n",
162 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
166 al.map->dso->hit = 1;
168 if (mem->phys_addr) {
169 if (symbol_conf.field_sep) {
170 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s0x%016"PRIx64
171 "%s%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
173 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
174 "%s0x%016"PRIx64"%s%5"PRIu64"%s0x%06"PRIx64
176 symbol_conf.field_sep = " ";
181 symbol_conf.field_sep,
183 symbol_conf.field_sep,
185 symbol_conf.field_sep,
187 symbol_conf.field_sep,
189 symbol_conf.field_sep,
191 symbol_conf.field_sep,
193 symbol_conf.field_sep,
194 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
195 al.sym ? al.sym->name : "???");
197 if (symbol_conf.field_sep) {
198 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
199 "%s0x%"PRIx64"%s%s:%s\n";
201 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
202 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
203 symbol_conf.field_sep = " ";
208 symbol_conf.field_sep,
210 symbol_conf.field_sep,
212 symbol_conf.field_sep,
214 symbol_conf.field_sep,
216 symbol_conf.field_sep,
218 symbol_conf.field_sep,
219 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
220 al.sym ? al.sym->name : "???");
223 addr_location__put(&al);
227 static int process_sample_event(struct perf_tool *tool,
228 union perf_event *event,
229 struct perf_sample *sample,
230 struct perf_evsel *evsel __maybe_unused,
231 struct machine *machine)
233 return dump_raw_samples(tool, event, sample, machine);
236 static int report_raw_events(struct perf_mem *mem)
238 struct perf_data_file file = {
240 .mode = PERF_DATA_MODE_READ,
244 struct perf_session *session = perf_session__new(&file, false,
251 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
257 ret = symbol__init(&session->header.env);
262 printf("# PID, TID, IP, ADDR, PHYS ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
264 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
266 ret = perf_session__process_events(session);
269 perf_session__delete(session);
273 static int report_events(int argc, const char **argv, struct perf_mem *mem)
275 const char **rep_argv;
276 int ret, i = 0, j, rep_argc;
279 return report_raw_events(mem);
282 rep_argv = calloc(rep_argc + 1, sizeof(char *));
286 rep_argv[i++] = "report";
287 rep_argv[i++] = "--mem-mode";
288 rep_argv[i++] = "-n"; /* display number of samples */
291 * there is no weight (cost) associated with stores, so don't print
294 if (!(mem->operation & MEM_OPERATION_LOAD)) {
296 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
297 "dso_daddr,tlb,locked,phys_daddr";
299 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
300 "dso_daddr,tlb,locked";
301 } else if (mem->phys_addr)
302 rep_argv[i++] = "--sort=local_weight,mem,sym,dso,symbol_daddr,"
303 "dso_daddr,snoop,tlb,locked,phys_daddr";
305 for (j = 1; j < argc; j++, i++)
306 rep_argv[i] = argv[j];
308 ret = cmd_report(i, rep_argv);
318 #define MEM_OPT(n, m) \
319 { .name = n, .mode = (m) }
321 #define MEM_END { .name = NULL }
323 static const struct mem_mode mem_modes[]={
324 MEM_OPT("load", MEM_OPERATION_LOAD),
325 MEM_OPT("store", MEM_OPERATION_STORE),
330 parse_mem_ops(const struct option *opt, const char *str, int unset)
332 int *mode = (int *)opt->value;
333 const struct mem_mode *m;
334 char *s, *os = NULL, *p;
340 /* str may be NULL in case no arg is passed to -t */
342 /* because str is read-only */
343 s = os = strdup(str);
355 for (m = mem_modes; m->name; m++) {
356 if (!strcasecmp(s, m->name))
360 fprintf(stderr, "unknown sampling op %s,"
361 " check man page\n", s);
376 *mode = MEM_OPERATION_LOAD;
382 int cmd_mem(int argc, const char **argv)
385 struct perf_mem mem = {
387 .sample = process_sample_event,
388 .mmap = perf_event__process_mmap,
389 .mmap2 = perf_event__process_mmap2,
390 .comm = perf_event__process_comm,
391 .lost = perf_event__process_lost,
392 .fork = perf_event__process_fork,
393 .build_id = perf_event__process_build_id,
394 .namespaces = perf_event__process_namespaces,
395 .ordered_events = true,
397 .input_name = "perf.data",
399 * default to both load an store sampling
401 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
403 const struct option mem_options[] = {
404 OPT_CALLBACK('t', "type", &mem.operation,
405 "type", "memory operations(load,store) Default load,store",
407 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
408 "dump raw samples in ASCII"),
409 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
410 "Only display entries resolved to a symbol"),
411 OPT_STRING('i', "input", &input_name, "file",
413 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
414 "list of cpus to profile"),
415 OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
417 "separator for columns, no spaces will be added"
418 " between columns '.' is reserved."),
419 OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
420 OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
423 const char *const mem_subcommands[] = { "record", "report", NULL };
424 const char *mem_usage[] = {
429 if (perf_mem_events__init()) {
430 pr_err("failed: memory events not supported\n");
434 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
435 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
437 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
438 usage_with_options(mem_usage, mem_options);
440 if (!mem.input_name || !strlen(mem.input_name)) {
441 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
442 mem.input_name = "-";
444 mem.input_name = "perf.data";
447 if (!strncmp(argv[0], "rec", 3))
448 return __cmd_record(argc, argv, &mem);
449 else if (!strncmp(argv[0], "rep", 3))
450 return report_events(argc, argv, &mem);
452 usage_with_options(mem_usage, mem_options);