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Commit | Line | Data |
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028f12ee SE |
1 | #include "builtin.h" |
2 | #include "perf.h" | |
3 | ||
4 | #include "util/parse-options.h" | |
5 | #include "util/trace-event.h" | |
6 | #include "util/tool.h" | |
7 | #include "util/session.h" | |
f5fc1412 | 8 | #include "util/data.h" |
028f12ee | 9 | |
67121f85 SE |
10 | #define MEM_OPERATION_LOAD 0x1 |
11 | #define MEM_OPERATION_STORE 0x2 | |
028f12ee | 12 | |
028f12ee SE |
13 | struct perf_mem { |
14 | struct perf_tool tool; | |
15 | char const *input_name; | |
028f12ee SE |
16 | bool hide_unresolved; |
17 | bool dump_raw; | |
62a1a63a | 18 | bool force; |
66024122 | 19 | int operation; |
028f12ee SE |
20 | const char *cpu_list; |
21 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
22 | }; | |
23 | ||
66024122 | 24 | static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) |
028f12ee SE |
25 | { |
26 | int rec_argc, i = 0, j; | |
27 | const char **rec_argv; | |
028f12ee SE |
28 | int ret; |
29 | ||
67121f85 | 30 | rec_argc = argc + 7; /* max number of arguments */ |
028f12ee SE |
31 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
32 | if (!rec_argv) | |
33 | return -1; | |
34 | ||
67121f85 | 35 | rec_argv[i++] = "record"; |
028f12ee | 36 | |
66024122 | 37 | if (mem->operation & MEM_OPERATION_LOAD) |
67121f85 SE |
38 | rec_argv[i++] = "-W"; |
39 | ||
40 | rec_argv[i++] = "-d"; | |
41 | ||
66024122 | 42 | if (mem->operation & MEM_OPERATION_LOAD) { |
67121f85 SE |
43 | rec_argv[i++] = "-e"; |
44 | rec_argv[i++] = "cpu/mem-loads/pp"; | |
45 | } | |
46 | ||
66024122 | 47 | if (mem->operation & MEM_OPERATION_STORE) { |
67121f85 SE |
48 | rec_argv[i++] = "-e"; |
49 | rec_argv[i++] = "cpu/mem-stores/pp"; | |
50 | } | |
028f12ee | 51 | |
028f12ee SE |
52 | for (j = 1; j < argc; j++, i++) |
53 | rec_argv[i] = argv[j]; | |
54 | ||
55 | ret = cmd_record(i, rec_argv, NULL); | |
56 | free(rec_argv); | |
57 | return ret; | |
58 | } | |
59 | ||
60 | static int | |
61 | dump_raw_samples(struct perf_tool *tool, | |
62 | union perf_event *event, | |
63 | struct perf_sample *sample, | |
028f12ee SE |
64 | struct machine *machine) |
65 | { | |
66 | struct perf_mem *mem = container_of(tool, struct perf_mem, tool); | |
67 | struct addr_location al; | |
68 | const char *fmt; | |
69 | ||
e44baa3e | 70 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
028f12ee SE |
71 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
72 | event->header.type); | |
73 | return -1; | |
74 | } | |
75 | ||
76 | if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) | |
b91fc39f | 77 | goto out_put; |
028f12ee SE |
78 | |
79 | if (al.map != NULL) | |
80 | al.map->dso->hit = 1; | |
81 | ||
82 | if (symbol_conf.field_sep) { | |
83 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 | |
84 | "%s0x%"PRIx64"%s%s:%s\n"; | |
85 | } else { | |
86 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 | |
87 | "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; | |
88 | symbol_conf.field_sep = " "; | |
89 | } | |
90 | ||
91 | printf(fmt, | |
92 | sample->pid, | |
93 | symbol_conf.field_sep, | |
94 | sample->tid, | |
95 | symbol_conf.field_sep, | |
ef89325f | 96 | sample->ip, |
028f12ee SE |
97 | symbol_conf.field_sep, |
98 | sample->addr, | |
99 | symbol_conf.field_sep, | |
100 | sample->weight, | |
101 | symbol_conf.field_sep, | |
102 | sample->data_src, | |
103 | symbol_conf.field_sep, | |
104 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", | |
105 | al.sym ? al.sym->name : "???"); | |
b91fc39f ACM |
106 | out_put: |
107 | addr_location__put(&al); | |
028f12ee SE |
108 | return 0; |
109 | } | |
110 | ||
111 | static int process_sample_event(struct perf_tool *tool, | |
112 | union perf_event *event, | |
113 | struct perf_sample *sample, | |
8b640cc4 | 114 | struct perf_evsel *evsel __maybe_unused, |
028f12ee SE |
115 | struct machine *machine) |
116 | { | |
8b640cc4 | 117 | return dump_raw_samples(tool, event, sample, machine); |
028f12ee SE |
118 | } |
119 | ||
120 | static int report_raw_events(struct perf_mem *mem) | |
121 | { | |
f5fc1412 JO |
122 | struct perf_data_file file = { |
123 | .path = input_name, | |
124 | .mode = PERF_DATA_MODE_READ, | |
62a1a63a | 125 | .force = mem->force, |
f5fc1412 | 126 | }; |
028f12ee SE |
127 | int err = -EINVAL; |
128 | int ret; | |
f5fc1412 JO |
129 | struct perf_session *session = perf_session__new(&file, false, |
130 | &mem->tool); | |
028f12ee SE |
131 | |
132 | if (session == NULL) | |
52e02834 | 133 | return -1; |
028f12ee SE |
134 | |
135 | if (mem->cpu_list) { | |
136 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, | |
137 | mem->cpu_bitmap); | |
138 | if (ret) | |
139 | goto out_delete; | |
140 | } | |
141 | ||
0a7e6d1b | 142 | if (symbol__init(&session->header.env) < 0) |
028f12ee SE |
143 | return -1; |
144 | ||
145 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
146 | ||
b7b61cbe | 147 | err = perf_session__process_events(session); |
028f12ee SE |
148 | if (err) |
149 | return err; | |
150 | ||
151 | return 0; | |
152 | ||
153 | out_delete: | |
154 | perf_session__delete(session); | |
155 | return err; | |
156 | } | |
157 | ||
158 | static int report_events(int argc, const char **argv, struct perf_mem *mem) | |
159 | { | |
160 | const char **rep_argv; | |
161 | int ret, i = 0, j, rep_argc; | |
162 | ||
163 | if (mem->dump_raw) | |
164 | return report_raw_events(mem); | |
165 | ||
166 | rep_argc = argc + 3; | |
167 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); | |
168 | if (!rep_argv) | |
169 | return -1; | |
170 | ||
67121f85 SE |
171 | rep_argv[i++] = "report"; |
172 | rep_argv[i++] = "--mem-mode"; | |
173 | rep_argv[i++] = "-n"; /* display number of samples */ | |
028f12ee SE |
174 | |
175 | /* | |
176 | * there is no weight (cost) associated with stores, so don't print | |
177 | * the column | |
178 | */ | |
66024122 | 179 | if (!(mem->operation & MEM_OPERATION_LOAD)) |
67121f85 SE |
180 | rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," |
181 | "dso_daddr,tlb,locked"; | |
028f12ee SE |
182 | |
183 | for (j = 1; j < argc; j++, i++) | |
184 | rep_argv[i] = argv[j]; | |
185 | ||
186 | ret = cmd_report(i, rep_argv, NULL); | |
187 | free(rep_argv); | |
188 | return ret; | |
189 | } | |
190 | ||
67121f85 SE |
191 | struct mem_mode { |
192 | const char *name; | |
193 | int mode; | |
194 | }; | |
195 | ||
196 | #define MEM_OPT(n, m) \ | |
197 | { .name = n, .mode = (m) } | |
198 | ||
199 | #define MEM_END { .name = NULL } | |
200 | ||
201 | static const struct mem_mode mem_modes[]={ | |
202 | MEM_OPT("load", MEM_OPERATION_LOAD), | |
203 | MEM_OPT("store", MEM_OPERATION_STORE), | |
204 | MEM_END | |
205 | }; | |
206 | ||
207 | static int | |
208 | parse_mem_ops(const struct option *opt, const char *str, int unset) | |
209 | { | |
210 | int *mode = (int *)opt->value; | |
211 | const struct mem_mode *m; | |
212 | char *s, *os = NULL, *p; | |
213 | int ret = -1; | |
214 | ||
215 | if (unset) | |
216 | return 0; | |
217 | ||
218 | /* str may be NULL in case no arg is passed to -t */ | |
219 | if (str) { | |
220 | /* because str is read-only */ | |
221 | s = os = strdup(str); | |
222 | if (!s) | |
223 | return -1; | |
224 | ||
225 | /* reset mode */ | |
226 | *mode = 0; | |
227 | ||
228 | for (;;) { | |
229 | p = strchr(s, ','); | |
230 | if (p) | |
231 | *p = '\0'; | |
232 | ||
233 | for (m = mem_modes; m->name; m++) { | |
234 | if (!strcasecmp(s, m->name)) | |
235 | break; | |
236 | } | |
237 | if (!m->name) { | |
238 | fprintf(stderr, "unknown sampling op %s," | |
239 | " check man page\n", s); | |
240 | goto error; | |
241 | } | |
242 | ||
243 | *mode |= m->mode; | |
244 | ||
245 | if (!p) | |
246 | break; | |
247 | ||
248 | s = p + 1; | |
249 | } | |
250 | } | |
251 | ret = 0; | |
252 | ||
253 | if (*mode == 0) | |
254 | *mode = MEM_OPERATION_LOAD; | |
255 | error: | |
256 | free(os); | |
257 | return ret; | |
258 | } | |
259 | ||
028f12ee SE |
260 | int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) |
261 | { | |
262 | struct stat st; | |
263 | struct perf_mem mem = { | |
264 | .tool = { | |
265 | .sample = process_sample_event, | |
266 | .mmap = perf_event__process_mmap, | |
5c5e854b | 267 | .mmap2 = perf_event__process_mmap2, |
028f12ee SE |
268 | .comm = perf_event__process_comm, |
269 | .lost = perf_event__process_lost, | |
270 | .fork = perf_event__process_fork, | |
271 | .build_id = perf_event__process_build_id, | |
0a8cb85c | 272 | .ordered_events = true, |
028f12ee SE |
273 | }, |
274 | .input_name = "perf.data", | |
66024122 ACM |
275 | /* |
276 | * default to both load an store sampling | |
277 | */ | |
278 | .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, | |
028f12ee SE |
279 | }; |
280 | const struct option mem_options[] = { | |
66024122 | 281 | OPT_CALLBACK('t', "type", &mem.operation, |
67121f85 SE |
282 | "type", "memory operations(load,store) Default load,store", |
283 | parse_mem_ops), | |
028f12ee SE |
284 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, |
285 | "dump raw samples in ASCII"), | |
286 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, | |
287 | "Only display entries resolved to a symbol"), | |
288 | OPT_STRING('i', "input", &input_name, "file", | |
289 | "input file name"), | |
290 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", | |
291 | "list of cpus to profile"), | |
8b8ca6e1 | 292 | OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, |
028f12ee SE |
293 | "separator", |
294 | "separator for columns, no spaces will be added" | |
295 | " between columns '.' is reserved."), | |
62a1a63a | 296 | OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), |
028f12ee SE |
297 | OPT_END() |
298 | }; | |
8d2a2a1d RR |
299 | const char *const mem_subcommands[] = { "record", "report", NULL }; |
300 | const char *mem_usage[] = { | |
301 | NULL, | |
302 | NULL | |
303 | }; | |
304 | ||
028f12ee | 305 | |
8d2a2a1d RR |
306 | argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, |
307 | mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); | |
028f12ee | 308 | |
66024122 | 309 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) |
028f12ee SE |
310 | usage_with_options(mem_usage, mem_options); |
311 | ||
312 | if (!mem.input_name || !strlen(mem.input_name)) { | |
313 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
314 | mem.input_name = "-"; | |
315 | else | |
316 | mem.input_name = "perf.data"; | |
317 | } | |
318 | ||
319 | if (!strncmp(argv[0], "rec", 3)) | |
66024122 | 320 | return __cmd_record(argc, argv, &mem); |
028f12ee SE |
321 | else if (!strncmp(argv[0], "rep", 3)) |
322 | return report_events(argc, argv, &mem); | |
323 | else | |
324 | usage_with_options(mem_usage, mem_options); | |
325 | ||
326 | return 0; | |
327 | } |