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