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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)) | |
77 | return 0; | |
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 : "???"); | |
106 | ||
107 | return 0; | |
108 | } | |
109 | ||
110 | static int process_sample_event(struct perf_tool *tool, | |
111 | union perf_event *event, | |
112 | struct perf_sample *sample, | |
8b640cc4 | 113 | struct perf_evsel *evsel __maybe_unused, |
028f12ee SE |
114 | struct machine *machine) |
115 | { | |
8b640cc4 | 116 | return dump_raw_samples(tool, event, sample, machine); |
028f12ee SE |
117 | } |
118 | ||
119 | static int report_raw_events(struct perf_mem *mem) | |
120 | { | |
f5fc1412 JO |
121 | struct perf_data_file file = { |
122 | .path = input_name, | |
123 | .mode = PERF_DATA_MODE_READ, | |
62a1a63a | 124 | .force = mem->force, |
f5fc1412 | 125 | }; |
028f12ee SE |
126 | int err = -EINVAL; |
127 | int ret; | |
f5fc1412 JO |
128 | struct perf_session *session = perf_session__new(&file, false, |
129 | &mem->tool); | |
028f12ee SE |
130 | |
131 | if (session == NULL) | |
52e02834 | 132 | return -1; |
028f12ee SE |
133 | |
134 | if (mem->cpu_list) { | |
135 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, | |
136 | mem->cpu_bitmap); | |
137 | if (ret) | |
138 | goto out_delete; | |
139 | } | |
140 | ||
0a7e6d1b | 141 | if (symbol__init(&session->header.env) < 0) |
028f12ee SE |
142 | return -1; |
143 | ||
144 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
145 | ||
b7b61cbe | 146 | err = perf_session__process_events(session); |
028f12ee SE |
147 | if (err) |
148 | return err; | |
149 | ||
150 | return 0; | |
151 | ||
152 | out_delete: | |
153 | perf_session__delete(session); | |
154 | return err; | |
155 | } | |
156 | ||
157 | static int report_events(int argc, const char **argv, struct perf_mem *mem) | |
158 | { | |
159 | const char **rep_argv; | |
160 | int ret, i = 0, j, rep_argc; | |
161 | ||
162 | if (mem->dump_raw) | |
163 | return report_raw_events(mem); | |
164 | ||
165 | rep_argc = argc + 3; | |
166 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); | |
167 | if (!rep_argv) | |
168 | return -1; | |
169 | ||
67121f85 SE |
170 | rep_argv[i++] = "report"; |
171 | rep_argv[i++] = "--mem-mode"; | |
172 | rep_argv[i++] = "-n"; /* display number of samples */ | |
028f12ee SE |
173 | |
174 | /* | |
175 | * there is no weight (cost) associated with stores, so don't print | |
176 | * the column | |
177 | */ | |
66024122 | 178 | if (!(mem->operation & MEM_OPERATION_LOAD)) |
67121f85 SE |
179 | rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," |
180 | "dso_daddr,tlb,locked"; | |
028f12ee SE |
181 | |
182 | for (j = 1; j < argc; j++, i++) | |
183 | rep_argv[i] = argv[j]; | |
184 | ||
185 | ret = cmd_report(i, rep_argv, NULL); | |
186 | free(rep_argv); | |
187 | return ret; | |
188 | } | |
189 | ||
67121f85 SE |
190 | struct mem_mode { |
191 | const char *name; | |
192 | int mode; | |
193 | }; | |
194 | ||
195 | #define MEM_OPT(n, m) \ | |
196 | { .name = n, .mode = (m) } | |
197 | ||
198 | #define MEM_END { .name = NULL } | |
199 | ||
200 | static const struct mem_mode mem_modes[]={ | |
201 | MEM_OPT("load", MEM_OPERATION_LOAD), | |
202 | MEM_OPT("store", MEM_OPERATION_STORE), | |
203 | MEM_END | |
204 | }; | |
205 | ||
206 | static int | |
207 | parse_mem_ops(const struct option *opt, const char *str, int unset) | |
208 | { | |
209 | int *mode = (int *)opt->value; | |
210 | const struct mem_mode *m; | |
211 | char *s, *os = NULL, *p; | |
212 | int ret = -1; | |
213 | ||
214 | if (unset) | |
215 | return 0; | |
216 | ||
217 | /* str may be NULL in case no arg is passed to -t */ | |
218 | if (str) { | |
219 | /* because str is read-only */ | |
220 | s = os = strdup(str); | |
221 | if (!s) | |
222 | return -1; | |
223 | ||
224 | /* reset mode */ | |
225 | *mode = 0; | |
226 | ||
227 | for (;;) { | |
228 | p = strchr(s, ','); | |
229 | if (p) | |
230 | *p = '\0'; | |
231 | ||
232 | for (m = mem_modes; m->name; m++) { | |
233 | if (!strcasecmp(s, m->name)) | |
234 | break; | |
235 | } | |
236 | if (!m->name) { | |
237 | fprintf(stderr, "unknown sampling op %s," | |
238 | " check man page\n", s); | |
239 | goto error; | |
240 | } | |
241 | ||
242 | *mode |= m->mode; | |
243 | ||
244 | if (!p) | |
245 | break; | |
246 | ||
247 | s = p + 1; | |
248 | } | |
249 | } | |
250 | ret = 0; | |
251 | ||
252 | if (*mode == 0) | |
253 | *mode = MEM_OPERATION_LOAD; | |
254 | error: | |
255 | free(os); | |
256 | return ret; | |
257 | } | |
258 | ||
028f12ee SE |
259 | int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) |
260 | { | |
261 | struct stat st; | |
262 | struct perf_mem mem = { | |
263 | .tool = { | |
264 | .sample = process_sample_event, | |
265 | .mmap = perf_event__process_mmap, | |
5c5e854b | 266 | .mmap2 = perf_event__process_mmap2, |
028f12ee SE |
267 | .comm = perf_event__process_comm, |
268 | .lost = perf_event__process_lost, | |
269 | .fork = perf_event__process_fork, | |
270 | .build_id = perf_event__process_build_id, | |
0a8cb85c | 271 | .ordered_events = true, |
028f12ee SE |
272 | }, |
273 | .input_name = "perf.data", | |
66024122 ACM |
274 | /* |
275 | * default to both load an store sampling | |
276 | */ | |
277 | .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, | |
028f12ee SE |
278 | }; |
279 | const struct option mem_options[] = { | |
66024122 | 280 | OPT_CALLBACK('t', "type", &mem.operation, |
67121f85 SE |
281 | "type", "memory operations(load,store) Default load,store", |
282 | parse_mem_ops), | |
028f12ee SE |
283 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, |
284 | "dump raw samples in ASCII"), | |
285 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, | |
286 | "Only display entries resolved to a symbol"), | |
287 | OPT_STRING('i', "input", &input_name, "file", | |
288 | "input file name"), | |
289 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", | |
290 | "list of cpus to profile"), | |
8b8ca6e1 | 291 | OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, |
028f12ee SE |
292 | "separator", |
293 | "separator for columns, no spaces will be added" | |
294 | " between columns '.' is reserved."), | |
62a1a63a | 295 | OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), |
028f12ee SE |
296 | OPT_END() |
297 | }; | |
8d2a2a1d RR |
298 | const char *const mem_subcommands[] = { "record", "report", NULL }; |
299 | const char *mem_usage[] = { | |
300 | NULL, | |
301 | NULL | |
302 | }; | |
303 | ||
028f12ee | 304 | |
8d2a2a1d RR |
305 | argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, |
306 | mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); | |
028f12ee | 307 | |
66024122 | 308 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) |
028f12ee SE |
309 | usage_with_options(mem_usage, mem_options); |
310 | ||
311 | if (!mem.input_name || !strlen(mem.input_name)) { | |
312 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
313 | mem.input_name = "-"; | |
314 | else | |
315 | mem.input_name = "perf.data"; | |
316 | } | |
317 | ||
318 | if (!strncmp(argv[0], "rec", 3)) | |
66024122 | 319 | return __cmd_record(argc, argv, &mem); |
028f12ee SE |
320 | else if (!strncmp(argv[0], "rep", 3)) |
321 | return report_events(argc, argv, &mem); | |
322 | else | |
323 | usage_with_options(mem_usage, mem_options); | |
324 | ||
325 | return 0; | |
326 | } |