4 #include "util/parse-options.h"
5 #include "util/trace-event.h"
7 #include "util/session.h"
10 #define MEM_OPERATION_LOAD 0x1
11 #define MEM_OPERATION_STORE 0x2
14 struct perf_tool tool;
15 char const *input_name;
20 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
23 static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
25 int rec_argc, i = 0, j;
26 const char **rec_argv;
29 rec_argc = argc + 7; /* max number of arguments */
30 rec_argv = calloc(rec_argc + 1, sizeof(char *));
34 rec_argv[i++] = "record";
36 if (mem->operation & MEM_OPERATION_LOAD)
41 if (mem->operation & MEM_OPERATION_LOAD) {
43 rec_argv[i++] = "cpu/mem-loads/pp";
46 if (mem->operation & MEM_OPERATION_STORE) {
48 rec_argv[i++] = "cpu/mem-stores/pp";
51 for (j = 1; j < argc; j++, i++)
52 rec_argv[i] = argv[j];
54 ret = cmd_record(i, rec_argv, NULL);
60 dump_raw_samples(struct perf_tool *tool,
61 union perf_event *event,
62 struct perf_sample *sample,
63 struct machine *machine)
65 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
66 struct addr_location al;
69 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
70 fprintf(stderr, "problem processing %d event, skipping it.\n",
75 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
81 if (symbol_conf.field_sep) {
82 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
83 "%s0x%"PRIx64"%s%s:%s\n";
85 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
86 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
87 symbol_conf.field_sep = " ";
92 symbol_conf.field_sep,
94 symbol_conf.field_sep,
96 symbol_conf.field_sep,
98 symbol_conf.field_sep,
100 symbol_conf.field_sep,
102 symbol_conf.field_sep,
103 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
104 al.sym ? al.sym->name : "???");
109 static int process_sample_event(struct perf_tool *tool,
110 union perf_event *event,
111 struct perf_sample *sample,
112 struct perf_evsel *evsel __maybe_unused,
113 struct machine *machine)
115 return dump_raw_samples(tool, event, sample, machine);
118 static int report_raw_events(struct perf_mem *mem)
120 struct perf_data_file file = {
122 .mode = PERF_DATA_MODE_READ,
126 struct perf_session *session = perf_session__new(&file, false,
133 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
139 if (symbol__init(&session->header.env) < 0)
142 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
144 err = perf_session__process_events(session, &mem->tool);
151 perf_session__delete(session);
155 static int report_events(int argc, const char **argv, struct perf_mem *mem)
157 const char **rep_argv;
158 int ret, i = 0, j, rep_argc;
161 return report_raw_events(mem);
164 rep_argv = calloc(rep_argc + 1, sizeof(char *));
168 rep_argv[i++] = "report";
169 rep_argv[i++] = "--mem-mode";
170 rep_argv[i++] = "-n"; /* display number of samples */
173 * there is no weight (cost) associated with stores, so don't print
176 if (!(mem->operation & MEM_OPERATION_LOAD))
177 rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
178 "dso_daddr,tlb,locked";
180 for (j = 1; j < argc; j++, i++)
181 rep_argv[i] = argv[j];
183 ret = cmd_report(i, rep_argv, NULL);
193 #define MEM_OPT(n, m) \
194 { .name = n, .mode = (m) }
196 #define MEM_END { .name = NULL }
198 static const struct mem_mode mem_modes[]={
199 MEM_OPT("load", MEM_OPERATION_LOAD),
200 MEM_OPT("store", MEM_OPERATION_STORE),
205 parse_mem_ops(const struct option *opt, const char *str, int unset)
207 int *mode = (int *)opt->value;
208 const struct mem_mode *m;
209 char *s, *os = NULL, *p;
215 /* str may be NULL in case no arg is passed to -t */
217 /* because str is read-only */
218 s = os = strdup(str);
230 for (m = mem_modes; m->name; m++) {
231 if (!strcasecmp(s, m->name))
235 fprintf(stderr, "unknown sampling op %s,"
236 " check man page\n", s);
251 *mode = MEM_OPERATION_LOAD;
257 int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
260 struct perf_mem mem = {
262 .sample = process_sample_event,
263 .mmap = perf_event__process_mmap,
264 .mmap2 = perf_event__process_mmap2,
265 .comm = perf_event__process_comm,
266 .lost = perf_event__process_lost,
267 .fork = perf_event__process_fork,
268 .build_id = perf_event__process_build_id,
269 .ordered_events = true,
271 .input_name = "perf.data",
273 * default to both load an store sampling
275 .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
277 const struct option mem_options[] = {
278 OPT_CALLBACK('t', "type", &mem.operation,
279 "type", "memory operations(load,store) Default load,store",
281 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
282 "dump raw samples in ASCII"),
283 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
284 "Only display entries resolved to a symbol"),
285 OPT_STRING('i', "input", &input_name, "file",
287 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
288 "list of cpus to profile"),
289 OPT_STRING('x', "field-separator", &symbol_conf.field_sep,
291 "separator for columns, no spaces will be added"
292 " between columns '.' is reserved."),
295 const char *const mem_subcommands[] = { "record", "report", NULL };
296 const char *mem_usage[] = {
302 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
303 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
305 if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
306 usage_with_options(mem_usage, mem_options);
308 if (!mem.input_name || !strlen(mem.input_name)) {
309 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
310 mem.input_name = "-";
312 mem.input_name = "perf.data";
315 if (!strncmp(argv[0], "rec", 3))
316 return __cmd_record(argc, argv, &mem);
317 else if (!strncmp(argv[0], "rep", 3))
318 return report_events(argc, argv, &mem);
320 usage_with_options(mem_usage, mem_options);