Commit | Line | Data |
---|---|---|
5f9c39dc FW |
1 | #include "builtin.h" |
2 | ||
b7eead86 | 3 | #include "perf.h" |
5f9c39dc | 4 | #include "util/cache.h" |
b7eead86 AG |
5 | #include "util/debug.h" |
6 | #include "util/exec_cmd.h" | |
7 | #include "util/header.h" | |
8 | #include "util/parse-options.h" | |
9 | #include "util/session.h" | |
45694aa7 | 10 | #include "util/tool.h" |
5f9c39dc FW |
11 | #include "util/symbol.h" |
12 | #include "util/thread.h" | |
cf72344d | 13 | #include "util/trace-event.h" |
b7eead86 | 14 | #include "util/util.h" |
1424dc96 DA |
15 | #include "util/evlist.h" |
16 | #include "util/evsel.h" | |
36385be5 | 17 | #include "util/sort.h" |
f5fc1412 | 18 | #include "util/data.h" |
5d67be97 | 19 | #include <linux/bitmap.h> |
5f9c39dc | 20 | |
956ffd02 TZ |
21 | static char const *script_name; |
22 | static char const *generate_script_lang; | |
ffabd99e | 23 | static bool debug_mode; |
e1889d75 | 24 | static u64 last_timestamp; |
6fcf7ddb | 25 | static u64 nr_unordered; |
34c86ea9 | 26 | extern const struct option record_options[]; |
c0230b2b | 27 | static bool no_callchain; |
47390ae2 | 28 | static bool latency_format; |
317df650 | 29 | static bool system_wide; |
5d67be97 AB |
30 | static const char *cpu_list; |
31 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
956ffd02 | 32 | |
745f43e3 DA |
33 | enum perf_output_field { |
34 | PERF_OUTPUT_COMM = 1U << 0, | |
35 | PERF_OUTPUT_TID = 1U << 1, | |
36 | PERF_OUTPUT_PID = 1U << 2, | |
37 | PERF_OUTPUT_TIME = 1U << 3, | |
38 | PERF_OUTPUT_CPU = 1U << 4, | |
39 | PERF_OUTPUT_EVNAME = 1U << 5, | |
40 | PERF_OUTPUT_TRACE = 1U << 6, | |
787bef17 DA |
41 | PERF_OUTPUT_IP = 1U << 7, |
42 | PERF_OUTPUT_SYM = 1U << 8, | |
610723f2 | 43 | PERF_OUTPUT_DSO = 1U << 9, |
7cec0922 | 44 | PERF_OUTPUT_ADDR = 1U << 10, |
a978f2ab | 45 | PERF_OUTPUT_SYMOFFSET = 1U << 11, |
cc8fae1d | 46 | PERF_OUTPUT_SRCLINE = 1U << 12, |
745f43e3 DA |
47 | }; |
48 | ||
49 | struct output_option { | |
50 | const char *str; | |
51 | enum perf_output_field field; | |
52 | } all_output_options[] = { | |
53 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
54 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
55 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
56 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
57 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
58 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
59 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
787bef17 | 60 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
c0230b2b | 61 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
610723f2 | 62 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
7cec0922 | 63 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
a978f2ab | 64 | {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, |
cc8fae1d | 65 | {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, |
745f43e3 DA |
66 | }; |
67 | ||
68 | /* default set to maintain compatibility with current format */ | |
2c9e45f7 DA |
69 | static struct { |
70 | bool user_set; | |
9cbdb702 | 71 | bool wildcard_set; |
a6ffaf91 | 72 | unsigned int print_ip_opts; |
2c9e45f7 DA |
73 | u64 fields; |
74 | u64 invalid_fields; | |
75 | } output[PERF_TYPE_MAX] = { | |
76 | ||
77 | [PERF_TYPE_HARDWARE] = { | |
78 | .user_set = false, | |
79 | ||
80 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
81 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 82 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 83 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
84 | |
85 | .invalid_fields = PERF_OUTPUT_TRACE, | |
86 | }, | |
87 | ||
88 | [PERF_TYPE_SOFTWARE] = { | |
89 | .user_set = false, | |
90 | ||
91 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
92 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 93 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 94 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
95 | |
96 | .invalid_fields = PERF_OUTPUT_TRACE, | |
97 | }, | |
98 | ||
99 | [PERF_TYPE_TRACEPOINT] = { | |
100 | .user_set = false, | |
101 | ||
102 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
103 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
104 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, | |
105 | }, | |
0817a6a3 AS |
106 | |
107 | [PERF_TYPE_RAW] = { | |
108 | .user_set = false, | |
109 | ||
110 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
111 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 112 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 113 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
0817a6a3 AS |
114 | |
115 | .invalid_fields = PERF_OUTPUT_TRACE, | |
116 | }, | |
1424dc96 | 117 | }; |
745f43e3 | 118 | |
2c9e45f7 DA |
119 | static bool output_set_by_user(void) |
120 | { | |
121 | int j; | |
122 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
123 | if (output[j].user_set) | |
124 | return true; | |
125 | } | |
126 | return false; | |
127 | } | |
745f43e3 | 128 | |
9cbdb702 DA |
129 | static const char *output_field2str(enum perf_output_field field) |
130 | { | |
131 | int i, imax = ARRAY_SIZE(all_output_options); | |
132 | const char *str = ""; | |
133 | ||
134 | for (i = 0; i < imax; ++i) { | |
135 | if (all_output_options[i].field == field) { | |
136 | str = all_output_options[i].str; | |
137 | break; | |
138 | } | |
139 | } | |
140 | return str; | |
141 | } | |
142 | ||
2c9e45f7 | 143 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
1424dc96 | 144 | |
5bff01f6 ACM |
145 | static int perf_evsel__check_stype(struct perf_evsel *evsel, |
146 | u64 sample_type, const char *sample_msg, | |
147 | enum perf_output_field field) | |
1424dc96 | 148 | { |
5bff01f6 | 149 | struct perf_event_attr *attr = &evsel->attr; |
9cbdb702 DA |
150 | int type = attr->type; |
151 | const char *evname; | |
152 | ||
153 | if (attr->sample_type & sample_type) | |
154 | return 0; | |
155 | ||
156 | if (output[type].user_set) { | |
5bff01f6 | 157 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
158 | pr_err("Samples for '%s' event do not have %s attribute set. " |
159 | "Cannot print '%s' field.\n", | |
160 | evname, sample_msg, output_field2str(field)); | |
161 | return -1; | |
162 | } | |
163 | ||
164 | /* user did not ask for it explicitly so remove from the default list */ | |
165 | output[type].fields &= ~field; | |
5bff01f6 | 166 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
167 | pr_debug("Samples for '%s' event do not have %s attribute set. " |
168 | "Skipping '%s' field.\n", | |
169 | evname, sample_msg, output_field2str(field)); | |
170 | ||
171 | return 0; | |
172 | } | |
173 | ||
174 | static int perf_evsel__check_attr(struct perf_evsel *evsel, | |
175 | struct perf_session *session) | |
176 | { | |
177 | struct perf_event_attr *attr = &evsel->attr; | |
178 | ||
1424dc96 DA |
179 | if (PRINT_FIELD(TRACE) && |
180 | !perf_session__has_traces(session, "record -R")) | |
181 | return -EINVAL; | |
182 | ||
787bef17 | 183 | if (PRINT_FIELD(IP)) { |
5bff01f6 ACM |
184 | if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", |
185 | PERF_OUTPUT_IP)) | |
1424dc96 | 186 | return -EINVAL; |
1424dc96 | 187 | } |
7cec0922 DA |
188 | |
189 | if (PRINT_FIELD(ADDR) && | |
5bff01f6 ACM |
190 | perf_evsel__check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", |
191 | PERF_OUTPUT_ADDR)) | |
7cec0922 DA |
192 | return -EINVAL; |
193 | ||
194 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { | |
195 | pr_err("Display of symbols requested but neither sample IP nor " | |
196 | "sample address\nis selected. Hence, no addresses to convert " | |
197 | "to symbols.\n"); | |
787bef17 DA |
198 | return -EINVAL; |
199 | } | |
a978f2ab AN |
200 | if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { |
201 | pr_err("Display of offsets requested but symbol is not" | |
202 | "selected.\n"); | |
203 | return -EINVAL; | |
204 | } | |
7cec0922 DA |
205 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
206 | pr_err("Display of DSO requested but neither sample IP nor " | |
207 | "sample address\nis selected. Hence, no addresses to convert " | |
208 | "to DSO.\n"); | |
610723f2 DA |
209 | return -EINVAL; |
210 | } | |
cc8fae1d AH |
211 | if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { |
212 | pr_err("Display of source line number requested but sample IP is not\n" | |
213 | "selected. Hence, no address to lookup the source line number.\n"); | |
214 | return -EINVAL; | |
215 | } | |
1424dc96 DA |
216 | |
217 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && | |
5bff01f6 ACM |
218 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", |
219 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) | |
1424dc96 | 220 | return -EINVAL; |
1424dc96 DA |
221 | |
222 | if (PRINT_FIELD(TIME) && | |
5bff01f6 ACM |
223 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", |
224 | PERF_OUTPUT_TIME)) | |
1424dc96 | 225 | return -EINVAL; |
1424dc96 DA |
226 | |
227 | if (PRINT_FIELD(CPU) && | |
5bff01f6 ACM |
228 | perf_evsel__check_stype(evsel, PERF_SAMPLE_CPU, "CPU", |
229 | PERF_OUTPUT_CPU)) | |
1424dc96 | 230 | return -EINVAL; |
9cbdb702 DA |
231 | |
232 | return 0; | |
233 | } | |
234 | ||
7ea95727 AH |
235 | static void set_print_ip_opts(struct perf_event_attr *attr) |
236 | { | |
237 | unsigned int type = attr->type; | |
238 | ||
239 | output[type].print_ip_opts = 0; | |
240 | if (PRINT_FIELD(IP)) | |
241 | output[type].print_ip_opts |= PRINT_IP_OPT_IP; | |
242 | ||
243 | if (PRINT_FIELD(SYM)) | |
244 | output[type].print_ip_opts |= PRINT_IP_OPT_SYM; | |
245 | ||
246 | if (PRINT_FIELD(DSO)) | |
247 | output[type].print_ip_opts |= PRINT_IP_OPT_DSO; | |
248 | ||
249 | if (PRINT_FIELD(SYMOFFSET)) | |
250 | output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET; | |
cc8fae1d AH |
251 | |
252 | if (PRINT_FIELD(SRCLINE)) | |
253 | output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE; | |
7ea95727 AH |
254 | } |
255 | ||
9cbdb702 DA |
256 | /* |
257 | * verify all user requested events exist and the samples | |
258 | * have the expected data | |
259 | */ | |
260 | static int perf_session__check_output_opt(struct perf_session *session) | |
261 | { | |
262 | int j; | |
263 | struct perf_evsel *evsel; | |
264 | ||
265 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
266 | evsel = perf_session__find_first_evtype(session, j); | |
267 | ||
268 | /* | |
269 | * even if fields is set to 0 (ie., show nothing) event must | |
270 | * exist if user explicitly includes it on the command line | |
271 | */ | |
272 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { | |
273 | pr_err("%s events do not exist. " | |
274 | "Remove corresponding -f option to proceed.\n", | |
275 | event_type(j)); | |
276 | return -1; | |
277 | } | |
278 | ||
279 | if (evsel && output[j].fields && | |
280 | perf_evsel__check_attr(evsel, session)) | |
281 | return -1; | |
a6ffaf91 DA |
282 | |
283 | if (evsel == NULL) | |
284 | continue; | |
285 | ||
7ea95727 | 286 | set_print_ip_opts(&evsel->attr); |
1424dc96 DA |
287 | } |
288 | ||
98526ee7 AH |
289 | if (!no_callchain) { |
290 | bool use_callchain = false; | |
291 | ||
292 | evlist__for_each(session->evlist, evsel) { | |
293 | if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { | |
294 | use_callchain = true; | |
295 | break; | |
296 | } | |
297 | } | |
298 | if (!use_callchain) | |
299 | symbol_conf.use_callchain = false; | |
300 | } | |
301 | ||
80b8b496 DA |
302 | /* |
303 | * set default for tracepoints to print symbols only | |
304 | * if callchains are present | |
305 | */ | |
306 | if (symbol_conf.use_callchain && | |
307 | !output[PERF_TYPE_TRACEPOINT].user_set) { | |
308 | struct perf_event_attr *attr; | |
309 | ||
310 | j = PERF_TYPE_TRACEPOINT; | |
311 | evsel = perf_session__find_first_evtype(session, j); | |
312 | if (evsel == NULL) | |
313 | goto out; | |
314 | ||
315 | attr = &evsel->attr; | |
316 | ||
317 | if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { | |
318 | output[j].fields |= PERF_OUTPUT_IP; | |
319 | output[j].fields |= PERF_OUTPUT_SYM; | |
320 | output[j].fields |= PERF_OUTPUT_DSO; | |
321 | set_print_ip_opts(attr); | |
322 | } | |
323 | } | |
324 | ||
325 | out: | |
1424dc96 DA |
326 | return 0; |
327 | } | |
745f43e3 | 328 | |
fcf65bf1 | 329 | static void print_sample_start(struct perf_sample *sample, |
1424dc96 | 330 | struct thread *thread, |
5bff01f6 | 331 | struct perf_evsel *evsel) |
c70c94b4 | 332 | { |
5bff01f6 | 333 | struct perf_event_attr *attr = &evsel->attr; |
c70c94b4 DA |
334 | unsigned long secs; |
335 | unsigned long usecs; | |
745f43e3 DA |
336 | unsigned long long nsecs; |
337 | ||
338 | if (PRINT_FIELD(COMM)) { | |
339 | if (latency_format) | |
b9c5143a | 340 | printf("%8.8s ", thread__comm_str(thread)); |
787bef17 | 341 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
b9c5143a | 342 | printf("%s ", thread__comm_str(thread)); |
745f43e3 | 343 | else |
b9c5143a | 344 | printf("%16s ", thread__comm_str(thread)); |
745f43e3 | 345 | } |
c70c94b4 | 346 | |
745f43e3 DA |
347 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
348 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
349 | else if (PRINT_FIELD(PID)) | |
350 | printf("%5d ", sample->pid); | |
351 | else if (PRINT_FIELD(TID)) | |
352 | printf("%5d ", sample->tid); | |
353 | ||
354 | if (PRINT_FIELD(CPU)) { | |
355 | if (latency_format) | |
356 | printf("%3d ", sample->cpu); | |
357 | else | |
358 | printf("[%03d] ", sample->cpu); | |
359 | } | |
c70c94b4 | 360 | |
745f43e3 DA |
361 | if (PRINT_FIELD(TIME)) { |
362 | nsecs = sample->time; | |
363 | secs = nsecs / NSECS_PER_SEC; | |
364 | nsecs -= secs * NSECS_PER_SEC; | |
365 | usecs = nsecs / NSECS_PER_USEC; | |
366 | printf("%5lu.%06lu: ", secs, usecs); | |
367 | } | |
c70c94b4 DA |
368 | } |
369 | ||
7cec0922 DA |
370 | static void print_sample_addr(union perf_event *event, |
371 | struct perf_sample *sample, | |
743eb868 | 372 | struct machine *machine, |
7cec0922 DA |
373 | struct thread *thread, |
374 | struct perf_event_attr *attr) | |
375 | { | |
376 | struct addr_location al; | |
7cec0922 DA |
377 | |
378 | printf("%16" PRIx64, sample->addr); | |
379 | ||
380 | if (!sample_addr_correlates_sym(attr)) | |
381 | return; | |
382 | ||
9b0d2d87 | 383 | perf_event__preprocess_sample_addr(event, sample, machine, thread, &al); |
7cec0922 DA |
384 | |
385 | if (PRINT_FIELD(SYM)) { | |
547a92e0 | 386 | printf(" "); |
a978f2ab AN |
387 | if (PRINT_FIELD(SYMOFFSET)) |
388 | symbol__fprintf_symname_offs(al.sym, &al, stdout); | |
389 | else | |
390 | symbol__fprintf_symname(al.sym, stdout); | |
7cec0922 DA |
391 | } |
392 | ||
393 | if (PRINT_FIELD(DSO)) { | |
547a92e0 AN |
394 | printf(" ("); |
395 | map__fprintf_dsoname(al.map, stdout); | |
396 | printf(")"); | |
7cec0922 DA |
397 | } |
398 | } | |
399 | ||
95582596 AN |
400 | static void print_sample_bts(union perf_event *event, |
401 | struct perf_sample *sample, | |
402 | struct perf_evsel *evsel, | |
a2cb3cf2 AH |
403 | struct thread *thread, |
404 | struct addr_location *al) | |
95582596 AN |
405 | { |
406 | struct perf_event_attr *attr = &evsel->attr; | |
8066be5f | 407 | bool print_srcline_last = false; |
95582596 AN |
408 | |
409 | /* print branch_from information */ | |
410 | if (PRINT_FIELD(IP)) { | |
8066be5f AH |
411 | unsigned int print_opts = output[attr->type].print_ip_opts; |
412 | ||
413 | if (symbol_conf.use_callchain && sample->callchain) { | |
95582596 | 414 | printf("\n"); |
8066be5f AH |
415 | } else { |
416 | printf(" "); | |
417 | if (print_opts & PRINT_IP_OPT_SRCLINE) { | |
418 | print_srcline_last = true; | |
419 | print_opts &= ~PRINT_IP_OPT_SRCLINE; | |
420 | } | |
421 | } | |
422 | perf_evsel__print_ip(evsel, sample, al, print_opts, | |
307cbb92 | 423 | PERF_MAX_STACK_DEPTH); |
95582596 AN |
424 | } |
425 | ||
95582596 | 426 | /* print branch_to information */ |
243be3dd AH |
427 | if (PRINT_FIELD(ADDR) || |
428 | ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && | |
578bea40 AH |
429 | !output[attr->type].user_set)) { |
430 | printf(" => "); | |
cc22e575 | 431 | print_sample_addr(event, sample, al->machine, thread, attr); |
578bea40 | 432 | } |
95582596 | 433 | |
8066be5f AH |
434 | if (print_srcline_last) |
435 | map__fprintf_srcline(al->map, al->addr, "\n ", stdout); | |
436 | ||
95582596 AN |
437 | printf("\n"); |
438 | } | |
439 | ||
97822433 | 440 | static void process_event(union perf_event *event, struct perf_sample *sample, |
cc22e575 | 441 | struct perf_evsel *evsel, struct thread *thread, |
a2cb3cf2 | 442 | struct addr_location *al) |
be6d842a | 443 | { |
9e69c210 | 444 | struct perf_event_attr *attr = &evsel->attr; |
1424dc96 | 445 | |
2c9e45f7 | 446 | if (output[attr->type].fields == 0) |
1424dc96 DA |
447 | return; |
448 | ||
fcf65bf1 | 449 | print_sample_start(sample, thread, evsel); |
745f43e3 | 450 | |
e944d3d7 NK |
451 | if (PRINT_FIELD(EVNAME)) { |
452 | const char *evname = perf_evsel__name(evsel); | |
453 | printf("%s: ", evname ? evname : "[unknown]"); | |
454 | } | |
455 | ||
95582596 | 456 | if (is_bts_event(attr)) { |
cc22e575 | 457 | print_sample_bts(event, sample, evsel, thread, al); |
95582596 AN |
458 | return; |
459 | } | |
460 | ||
745f43e3 | 461 | if (PRINT_FIELD(TRACE)) |
fcf65bf1 ACM |
462 | event_format__print(evsel->tp_format, sample->cpu, |
463 | sample->raw_data, sample->raw_size); | |
7cec0922 | 464 | if (PRINT_FIELD(ADDR)) |
cc22e575 | 465 | print_sample_addr(event, sample, al->machine, thread, attr); |
7cec0922 | 466 | |
787bef17 | 467 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
468 | if (!symbol_conf.use_callchain) |
469 | printf(" "); | |
470 | else | |
471 | printf("\n"); | |
a6ffaf91 | 472 | |
cc22e575 | 473 | perf_evsel__print_ip(evsel, sample, al, |
307cbb92 DA |
474 | output[attr->type].print_ip_opts, |
475 | PERF_MAX_STACK_DEPTH); | |
c0230b2b DA |
476 | } |
477 | ||
c70c94b4 | 478 | printf("\n"); |
be6d842a DA |
479 | } |
480 | ||
1d037ca1 IT |
481 | static int default_start_script(const char *script __maybe_unused, |
482 | int argc __maybe_unused, | |
483 | const char **argv __maybe_unused) | |
956ffd02 TZ |
484 | { |
485 | return 0; | |
486 | } | |
487 | ||
d445dd2a AH |
488 | static int default_flush_script(void) |
489 | { | |
490 | return 0; | |
491 | } | |
492 | ||
956ffd02 TZ |
493 | static int default_stop_script(void) |
494 | { | |
495 | return 0; | |
496 | } | |
497 | ||
1d037ca1 IT |
498 | static int default_generate_script(struct pevent *pevent __maybe_unused, |
499 | const char *outfile __maybe_unused) | |
956ffd02 TZ |
500 | { |
501 | return 0; | |
502 | } | |
503 | ||
504 | static struct scripting_ops default_scripting_ops = { | |
505 | .start_script = default_start_script, | |
d445dd2a | 506 | .flush_script = default_flush_script, |
956ffd02 | 507 | .stop_script = default_stop_script, |
be6d842a | 508 | .process_event = process_event, |
956ffd02 TZ |
509 | .generate_script = default_generate_script, |
510 | }; | |
511 | ||
512 | static struct scripting_ops *scripting_ops; | |
513 | ||
514 | static void setup_scripting(void) | |
515 | { | |
16c632de | 516 | setup_perl_scripting(); |
7e4b21b8 | 517 | setup_python_scripting(); |
16c632de | 518 | |
956ffd02 TZ |
519 | scripting_ops = &default_scripting_ops; |
520 | } | |
521 | ||
d445dd2a AH |
522 | static int flush_scripting(void) |
523 | { | |
524 | return scripting_ops->flush_script(); | |
525 | } | |
526 | ||
956ffd02 TZ |
527 | static int cleanup_scripting(void) |
528 | { | |
133dc4c3 | 529 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 530 | |
956ffd02 TZ |
531 | return scripting_ops->stop_script(); |
532 | } | |
533 | ||
1d037ca1 | 534 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 535 | union perf_event *event, |
8115d60c | 536 | struct perf_sample *sample, |
9e69c210 | 537 | struct perf_evsel *evsel, |
743eb868 | 538 | struct machine *machine) |
5f9c39dc | 539 | { |
e7984b7b | 540 | struct addr_location al; |
ef89325f AH |
541 | struct thread *thread = machine__findnew_thread(machine, sample->pid, |
542 | sample->tid); | |
6ddf259d | 543 | |
5f9c39dc | 544 | if (thread == NULL) { |
6beba7ad ACM |
545 | pr_debug("problem processing %d event, skipping it.\n", |
546 | event->header.type); | |
5f9c39dc FW |
547 | return -1; |
548 | } | |
549 | ||
1424dc96 DA |
550 | if (debug_mode) { |
551 | if (sample->time < last_timestamp) { | |
552 | pr_err("Samples misordered, previous: %" PRIu64 | |
553 | " this: %" PRIu64 "\n", last_timestamp, | |
554 | sample->time); | |
555 | nr_unordered++; | |
e1889d75 | 556 | } |
1424dc96 DA |
557 | last_timestamp = sample->time; |
558 | return 0; | |
5f9c39dc | 559 | } |
5d67be97 | 560 | |
e44baa3e | 561 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
e7984b7b DA |
562 | pr_err("problem processing %d event, skipping it.\n", |
563 | event->header.type); | |
564 | return -1; | |
565 | } | |
566 | ||
567 | if (al.filtered) | |
568 | return 0; | |
569 | ||
5d67be97 AB |
570 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
571 | return 0; | |
572 | ||
cc22e575 | 573 | scripting_ops->process_event(event, sample, evsel, thread, &al); |
5f9c39dc FW |
574 | |
575 | return 0; | |
576 | } | |
577 | ||
6f3e5eda AH |
578 | struct perf_script { |
579 | struct perf_tool tool; | |
580 | struct perf_session *session; | |
ad7ebb9a | 581 | bool show_task_events; |
ba1ddf42 | 582 | bool show_mmap_events; |
016e92fb FW |
583 | }; |
584 | ||
7ea95727 AH |
585 | static int process_attr(struct perf_tool *tool, union perf_event *event, |
586 | struct perf_evlist **pevlist) | |
587 | { | |
588 | struct perf_script *scr = container_of(tool, struct perf_script, tool); | |
589 | struct perf_evlist *evlist; | |
590 | struct perf_evsel *evsel, *pos; | |
591 | int err; | |
592 | ||
593 | err = perf_event__process_attr(tool, event, pevlist); | |
594 | if (err) | |
595 | return err; | |
596 | ||
597 | evlist = *pevlist; | |
598 | evsel = perf_evlist__last(*pevlist); | |
599 | ||
600 | if (evsel->attr.type >= PERF_TYPE_MAX) | |
601 | return 0; | |
602 | ||
0050f7aa | 603 | evlist__for_each(evlist, pos) { |
7ea95727 AH |
604 | if (pos->attr.type == evsel->attr.type && pos != evsel) |
605 | return 0; | |
606 | } | |
607 | ||
608 | set_print_ip_opts(&evsel->attr); | |
609 | ||
610 | return perf_evsel__check_attr(evsel, scr->session); | |
611 | } | |
612 | ||
ad7ebb9a NK |
613 | static int process_comm_event(struct perf_tool *tool, |
614 | union perf_event *event, | |
615 | struct perf_sample *sample, | |
616 | struct machine *machine) | |
617 | { | |
618 | struct thread *thread; | |
619 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
620 | struct perf_session *session = script->session; | |
621 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
622 | int ret = -1; | |
623 | ||
624 | thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); | |
625 | if (thread == NULL) { | |
626 | pr_debug("problem processing COMM event, skipping it.\n"); | |
627 | return -1; | |
628 | } | |
629 | ||
630 | if (perf_event__process_comm(tool, event, sample, machine) < 0) | |
631 | goto out; | |
632 | ||
633 | if (!evsel->attr.sample_id_all) { | |
634 | sample->cpu = 0; | |
635 | sample->time = 0; | |
636 | sample->tid = event->comm.tid; | |
637 | sample->pid = event->comm.pid; | |
638 | } | |
639 | print_sample_start(sample, thread, evsel); | |
640 | perf_event__fprintf(event, stdout); | |
641 | ret = 0; | |
642 | ||
643 | out: | |
644 | return ret; | |
645 | } | |
646 | ||
647 | static int process_fork_event(struct perf_tool *tool, | |
648 | union perf_event *event, | |
649 | struct perf_sample *sample, | |
650 | struct machine *machine) | |
651 | { | |
652 | struct thread *thread; | |
653 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
654 | struct perf_session *session = script->session; | |
655 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
656 | ||
657 | if (perf_event__process_fork(tool, event, sample, machine) < 0) | |
658 | return -1; | |
659 | ||
660 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); | |
661 | if (thread == NULL) { | |
662 | pr_debug("problem processing FORK event, skipping it.\n"); | |
663 | return -1; | |
664 | } | |
665 | ||
666 | if (!evsel->attr.sample_id_all) { | |
667 | sample->cpu = 0; | |
668 | sample->time = event->fork.time; | |
669 | sample->tid = event->fork.tid; | |
670 | sample->pid = event->fork.pid; | |
671 | } | |
672 | print_sample_start(sample, thread, evsel); | |
673 | perf_event__fprintf(event, stdout); | |
674 | ||
675 | return 0; | |
676 | } | |
677 | static int process_exit_event(struct perf_tool *tool, | |
678 | union perf_event *event, | |
679 | struct perf_sample *sample, | |
680 | struct machine *machine) | |
681 | { | |
682 | struct thread *thread; | |
683 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
684 | struct perf_session *session = script->session; | |
685 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
686 | ||
687 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); | |
688 | if (thread == NULL) { | |
689 | pr_debug("problem processing EXIT event, skipping it.\n"); | |
690 | return -1; | |
691 | } | |
692 | ||
693 | if (!evsel->attr.sample_id_all) { | |
694 | sample->cpu = 0; | |
695 | sample->time = 0; | |
696 | sample->tid = event->comm.tid; | |
697 | sample->pid = event->comm.pid; | |
698 | } | |
699 | print_sample_start(sample, thread, evsel); | |
700 | perf_event__fprintf(event, stdout); | |
701 | ||
702 | if (perf_event__process_exit(tool, event, sample, machine) < 0) | |
703 | return -1; | |
704 | ||
705 | return 0; | |
706 | } | |
707 | ||
ba1ddf42 NK |
708 | static int process_mmap_event(struct perf_tool *tool, |
709 | union perf_event *event, | |
710 | struct perf_sample *sample, | |
711 | struct machine *machine) | |
712 | { | |
713 | struct thread *thread; | |
714 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
715 | struct perf_session *session = script->session; | |
716 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
717 | ||
718 | if (perf_event__process_mmap(tool, event, sample, machine) < 0) | |
719 | return -1; | |
720 | ||
721 | thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); | |
722 | if (thread == NULL) { | |
723 | pr_debug("problem processing MMAP event, skipping it.\n"); | |
724 | return -1; | |
725 | } | |
726 | ||
727 | if (!evsel->attr.sample_id_all) { | |
728 | sample->cpu = 0; | |
729 | sample->time = 0; | |
730 | sample->tid = event->mmap.tid; | |
731 | sample->pid = event->mmap.pid; | |
732 | } | |
733 | print_sample_start(sample, thread, evsel); | |
734 | perf_event__fprintf(event, stdout); | |
735 | ||
736 | return 0; | |
737 | } | |
738 | ||
739 | static int process_mmap2_event(struct perf_tool *tool, | |
740 | union perf_event *event, | |
741 | struct perf_sample *sample, | |
742 | struct machine *machine) | |
743 | { | |
744 | struct thread *thread; | |
745 | struct perf_script *script = container_of(tool, struct perf_script, tool); | |
746 | struct perf_session *session = script->session; | |
747 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); | |
748 | ||
749 | if (perf_event__process_mmap2(tool, event, sample, machine) < 0) | |
750 | return -1; | |
751 | ||
752 | thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); | |
753 | if (thread == NULL) { | |
754 | pr_debug("problem processing MMAP2 event, skipping it.\n"); | |
755 | return -1; | |
756 | } | |
757 | ||
758 | if (!evsel->attr.sample_id_all) { | |
759 | sample->cpu = 0; | |
760 | sample->time = 0; | |
761 | sample->tid = event->mmap2.tid; | |
762 | sample->pid = event->mmap2.pid; | |
763 | } | |
764 | print_sample_start(sample, thread, evsel); | |
765 | perf_event__fprintf(event, stdout); | |
766 | ||
767 | return 0; | |
768 | } | |
769 | ||
1d037ca1 | 770 | static void sig_handler(int sig __maybe_unused) |
c239da3b TZ |
771 | { |
772 | session_done = 1; | |
773 | } | |
774 | ||
6f3e5eda | 775 | static int __cmd_script(struct perf_script *script) |
5f9c39dc | 776 | { |
6fcf7ddb FW |
777 | int ret; |
778 | ||
c239da3b TZ |
779 | signal(SIGINT, sig_handler); |
780 | ||
ad7ebb9a NK |
781 | /* override event processing functions */ |
782 | if (script->show_task_events) { | |
783 | script->tool.comm = process_comm_event; | |
784 | script->tool.fork = process_fork_event; | |
785 | script->tool.exit = process_exit_event; | |
786 | } | |
ba1ddf42 NK |
787 | if (script->show_mmap_events) { |
788 | script->tool.mmap = process_mmap_event; | |
789 | script->tool.mmap2 = process_mmap2_event; | |
790 | } | |
ad7ebb9a | 791 | |
6f3e5eda | 792 | ret = perf_session__process_events(script->session, &script->tool); |
6fcf7ddb | 793 | |
6d8afb56 | 794 | if (debug_mode) |
9486aa38 | 795 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
796 | |
797 | return ret; | |
5f9c39dc FW |
798 | } |
799 | ||
956ffd02 TZ |
800 | struct script_spec { |
801 | struct list_head node; | |
802 | struct scripting_ops *ops; | |
803 | char spec[0]; | |
804 | }; | |
805 | ||
eccdfe2d | 806 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
807 | |
808 | static struct script_spec *script_spec__new(const char *spec, | |
809 | struct scripting_ops *ops) | |
810 | { | |
811 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
812 | ||
813 | if (s != NULL) { | |
814 | strcpy(s->spec, spec); | |
815 | s->ops = ops; | |
816 | } | |
817 | ||
818 | return s; | |
819 | } | |
820 | ||
956ffd02 TZ |
821 | static void script_spec__add(struct script_spec *s) |
822 | { | |
823 | list_add_tail(&s->node, &script_specs); | |
824 | } | |
825 | ||
826 | static struct script_spec *script_spec__find(const char *spec) | |
827 | { | |
828 | struct script_spec *s; | |
829 | ||
830 | list_for_each_entry(s, &script_specs, node) | |
831 | if (strcasecmp(s->spec, spec) == 0) | |
832 | return s; | |
833 | return NULL; | |
834 | } | |
835 | ||
836 | static struct script_spec *script_spec__findnew(const char *spec, | |
837 | struct scripting_ops *ops) | |
838 | { | |
839 | struct script_spec *s = script_spec__find(spec); | |
840 | ||
841 | if (s) | |
842 | return s; | |
843 | ||
844 | s = script_spec__new(spec, ops); | |
845 | if (!s) | |
466e2876 | 846 | return NULL; |
956ffd02 TZ |
847 | |
848 | script_spec__add(s); | |
849 | ||
850 | return s; | |
956ffd02 TZ |
851 | } |
852 | ||
853 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
854 | { | |
855 | struct script_spec *s; | |
856 | ||
857 | s = script_spec__find(spec); | |
858 | if (s) | |
859 | return -1; | |
860 | ||
861 | s = script_spec__findnew(spec, ops); | |
862 | if (!s) | |
863 | return -1; | |
864 | ||
865 | return 0; | |
866 | } | |
867 | ||
868 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
869 | { | |
870 | struct script_spec *s = script_spec__find(spec); | |
871 | if (!s) | |
872 | return NULL; | |
873 | ||
874 | return s->ops; | |
875 | } | |
876 | ||
877 | static void list_available_languages(void) | |
878 | { | |
879 | struct script_spec *s; | |
880 | ||
881 | fprintf(stderr, "\n"); | |
882 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 883 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
884 | |
885 | list_for_each_entry(s, &script_specs, node) | |
886 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
887 | ||
888 | fprintf(stderr, "\n"); | |
889 | } | |
890 | ||
1d037ca1 IT |
891 | static int parse_scriptname(const struct option *opt __maybe_unused, |
892 | const char *str, int unset __maybe_unused) | |
956ffd02 TZ |
893 | { |
894 | char spec[PATH_MAX]; | |
895 | const char *script, *ext; | |
896 | int len; | |
897 | ||
f526d68b | 898 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 899 | list_available_languages(); |
f526d68b | 900 | exit(0); |
956ffd02 TZ |
901 | } |
902 | ||
903 | script = strchr(str, ':'); | |
904 | if (script) { | |
905 | len = script - str; | |
906 | if (len >= PATH_MAX) { | |
907 | fprintf(stderr, "invalid language specifier"); | |
908 | return -1; | |
909 | } | |
910 | strncpy(spec, str, len); | |
911 | spec[len] = '\0'; | |
912 | scripting_ops = script_spec__lookup(spec); | |
913 | if (!scripting_ops) { | |
914 | fprintf(stderr, "invalid language specifier"); | |
915 | return -1; | |
916 | } | |
917 | script++; | |
918 | } else { | |
919 | script = str; | |
d1e95bb5 | 920 | ext = strrchr(script, '.'); |
956ffd02 TZ |
921 | if (!ext) { |
922 | fprintf(stderr, "invalid script extension"); | |
923 | return -1; | |
924 | } | |
925 | scripting_ops = script_spec__lookup(++ext); | |
926 | if (!scripting_ops) { | |
927 | fprintf(stderr, "invalid script extension"); | |
928 | return -1; | |
929 | } | |
930 | } | |
931 | ||
932 | script_name = strdup(script); | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
1d037ca1 IT |
937 | static int parse_output_fields(const struct option *opt __maybe_unused, |
938 | const char *arg, int unset __maybe_unused) | |
745f43e3 DA |
939 | { |
940 | char *tok; | |
50ca19ae | 941 | int i, imax = ARRAY_SIZE(all_output_options); |
2c9e45f7 | 942 | int j; |
745f43e3 DA |
943 | int rc = 0; |
944 | char *str = strdup(arg); | |
1424dc96 | 945 | int type = -1; |
745f43e3 DA |
946 | |
947 | if (!str) | |
948 | return -ENOMEM; | |
949 | ||
2c9e45f7 DA |
950 | /* first word can state for which event type the user is specifying |
951 | * the fields. If no type exists, the specified fields apply to all | |
952 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 953 | */ |
2c9e45f7 DA |
954 | tok = strchr(str, ':'); |
955 | if (tok) { | |
956 | *tok = '\0'; | |
957 | tok++; | |
958 | if (!strcmp(str, "hw")) | |
959 | type = PERF_TYPE_HARDWARE; | |
960 | else if (!strcmp(str, "sw")) | |
961 | type = PERF_TYPE_SOFTWARE; | |
962 | else if (!strcmp(str, "trace")) | |
963 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
964 | else if (!strcmp(str, "raw")) |
965 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
966 | else { |
967 | fprintf(stderr, "Invalid event type in field string.\n"); | |
38efb539 RR |
968 | rc = -EINVAL; |
969 | goto out; | |
2c9e45f7 DA |
970 | } |
971 | ||
972 | if (output[type].user_set) | |
973 | pr_warning("Overriding previous field request for %s events.\n", | |
974 | event_type(type)); | |
975 | ||
976 | output[type].fields = 0; | |
977 | output[type].user_set = true; | |
9cbdb702 | 978 | output[type].wildcard_set = false; |
2c9e45f7 DA |
979 | |
980 | } else { | |
981 | tok = str; | |
982 | if (strlen(str) == 0) { | |
983 | fprintf(stderr, | |
984 | "Cannot set fields to 'none' for all event types.\n"); | |
985 | rc = -EINVAL; | |
986 | goto out; | |
987 | } | |
988 | ||
989 | if (output_set_by_user()) | |
990 | pr_warning("Overriding previous field request for all events.\n"); | |
991 | ||
992 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
993 | output[j].fields = 0; | |
994 | output[j].user_set = true; | |
9cbdb702 | 995 | output[j].wildcard_set = true; |
2c9e45f7 | 996 | } |
745f43e3 DA |
997 | } |
998 | ||
2c9e45f7 DA |
999 | tok = strtok(tok, ","); |
1000 | while (tok) { | |
745f43e3 | 1001 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 1002 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 1003 | break; |
745f43e3 DA |
1004 | } |
1005 | if (i == imax) { | |
2c9e45f7 | 1006 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 1007 | rc = -EINVAL; |
2c9e45f7 | 1008 | goto out; |
745f43e3 DA |
1009 | } |
1010 | ||
2c9e45f7 DA |
1011 | if (type == -1) { |
1012 | /* add user option to all events types for | |
1013 | * which it is valid | |
1014 | */ | |
1015 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
1016 | if (output[j].invalid_fields & all_output_options[i].field) { | |
1017 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
1018 | all_output_options[i].str, event_type(j)); | |
1019 | } else | |
1020 | output[j].fields |= all_output_options[i].field; | |
1021 | } | |
1022 | } else { | |
1023 | if (output[type].invalid_fields & all_output_options[i].field) { | |
1024 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
1025 | all_output_options[i].str, event_type(type)); | |
1026 | ||
1027 | rc = -EINVAL; | |
1028 | goto out; | |
1029 | } | |
1030 | output[type].fields |= all_output_options[i].field; | |
1031 | } | |
1032 | ||
1033 | tok = strtok(NULL, ","); | |
745f43e3 DA |
1034 | } |
1035 | ||
2c9e45f7 DA |
1036 | if (type >= 0) { |
1037 | if (output[type].fields == 0) { | |
1038 | pr_debug("No fields requested for %s type. " | |
1039 | "Events will not be displayed.\n", event_type(type)); | |
1040 | } | |
1041 | } | |
745f43e3 | 1042 | |
2c9e45f7 | 1043 | out: |
745f43e3 DA |
1044 | free(str); |
1045 | return rc; | |
1046 | } | |
1047 | ||
008f29d3 SB |
1048 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
1049 | static int is_directory(const char *base_path, const struct dirent *dent) | |
1050 | { | |
1051 | char path[PATH_MAX]; | |
1052 | struct stat st; | |
1053 | ||
1054 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
1055 | if (stat(path, &st)) | |
1056 | return 0; | |
1057 | ||
1058 | return S_ISDIR(st.st_mode); | |
1059 | } | |
1060 | ||
1061 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
1062 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
1063 | lang_next) \ | |
008f29d3 SB |
1064 | if ((lang_dirent.d_type == DT_DIR || \ |
1065 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
1066 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
1067 | (strcmp(lang_dirent.d_name, ".")) && \ |
1068 | (strcmp(lang_dirent.d_name, ".."))) | |
1069 | ||
008f29d3 | 1070 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
1071 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
1072 | script_next) \ | |
008f29d3 SB |
1073 | if (script_dirent.d_type != DT_DIR && \ |
1074 | (script_dirent.d_type != DT_UNKNOWN || \ | |
1075 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
1076 | |
1077 | ||
1078 | #define RECORD_SUFFIX "-record" | |
1079 | #define REPORT_SUFFIX "-report" | |
1080 | ||
1081 | struct script_desc { | |
1082 | struct list_head node; | |
1083 | char *name; | |
1084 | char *half_liner; | |
1085 | char *args; | |
1086 | }; | |
1087 | ||
eccdfe2d | 1088 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
1089 | |
1090 | static struct script_desc *script_desc__new(const char *name) | |
1091 | { | |
1092 | struct script_desc *s = zalloc(sizeof(*s)); | |
1093 | ||
b5b87312 | 1094 | if (s != NULL && name) |
4b9c0c59 TZ |
1095 | s->name = strdup(name); |
1096 | ||
1097 | return s; | |
1098 | } | |
1099 | ||
1100 | static void script_desc__delete(struct script_desc *s) | |
1101 | { | |
74cf249d ACM |
1102 | zfree(&s->name); |
1103 | zfree(&s->half_liner); | |
1104 | zfree(&s->args); | |
4b9c0c59 TZ |
1105 | free(s); |
1106 | } | |
1107 | ||
1108 | static void script_desc__add(struct script_desc *s) | |
1109 | { | |
1110 | list_add_tail(&s->node, &script_descs); | |
1111 | } | |
1112 | ||
1113 | static struct script_desc *script_desc__find(const char *name) | |
1114 | { | |
1115 | struct script_desc *s; | |
1116 | ||
1117 | list_for_each_entry(s, &script_descs, node) | |
1118 | if (strcasecmp(s->name, name) == 0) | |
1119 | return s; | |
1120 | return NULL; | |
1121 | } | |
1122 | ||
1123 | static struct script_desc *script_desc__findnew(const char *name) | |
1124 | { | |
1125 | struct script_desc *s = script_desc__find(name); | |
1126 | ||
1127 | if (s) | |
1128 | return s; | |
1129 | ||
1130 | s = script_desc__new(name); | |
1131 | if (!s) | |
1132 | goto out_delete_desc; | |
1133 | ||
1134 | script_desc__add(s); | |
1135 | ||
1136 | return s; | |
1137 | ||
1138 | out_delete_desc: | |
1139 | script_desc__delete(s); | |
1140 | ||
1141 | return NULL; | |
1142 | } | |
1143 | ||
965bb6be | 1144 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
1145 | { |
1146 | size_t suffix_len = strlen(suffix); | |
965bb6be | 1147 | const char *p = str; |
4b9c0c59 TZ |
1148 | |
1149 | if (strlen(str) > suffix_len) { | |
1150 | p = str + strlen(str) - suffix_len; | |
1151 | if (!strncmp(p, suffix, suffix_len)) | |
1152 | return p; | |
1153 | } | |
1154 | ||
1155 | return NULL; | |
1156 | } | |
1157 | ||
4b9c0c59 TZ |
1158 | static int read_script_info(struct script_desc *desc, const char *filename) |
1159 | { | |
1160 | char line[BUFSIZ], *p; | |
1161 | FILE *fp; | |
1162 | ||
1163 | fp = fopen(filename, "r"); | |
1164 | if (!fp) | |
1165 | return -1; | |
1166 | ||
1167 | while (fgets(line, sizeof(line), fp)) { | |
1168 | p = ltrim(line); | |
1169 | if (strlen(p) == 0) | |
1170 | continue; | |
1171 | if (*p != '#') | |
1172 | continue; | |
1173 | p++; | |
1174 | if (strlen(p) && *p == '!') | |
1175 | continue; | |
1176 | ||
1177 | p = ltrim(p); | |
1178 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
1179 | p[strlen(p) - 1] = '\0'; | |
1180 | ||
1181 | if (!strncmp(p, "description:", strlen("description:"))) { | |
1182 | p += strlen("description:"); | |
1183 | desc->half_liner = strdup(ltrim(p)); | |
1184 | continue; | |
1185 | } | |
1186 | ||
1187 | if (!strncmp(p, "args:", strlen("args:"))) { | |
1188 | p += strlen("args:"); | |
1189 | desc->args = strdup(ltrim(p)); | |
1190 | continue; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | fclose(fp); | |
1195 | ||
1196 | return 0; | |
1197 | } | |
1198 | ||
38efb539 RR |
1199 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
1200 | { | |
1201 | char *script_root, *str; | |
1202 | ||
1203 | script_root = strdup(script_dirent->d_name); | |
1204 | if (!script_root) | |
1205 | return NULL; | |
1206 | ||
1207 | str = (char *)ends_with(script_root, suffix); | |
1208 | if (!str) { | |
1209 | free(script_root); | |
1210 | return NULL; | |
1211 | } | |
1212 | ||
1213 | *str = '\0'; | |
1214 | return script_root; | |
1215 | } | |
1216 | ||
1d037ca1 IT |
1217 | static int list_available_scripts(const struct option *opt __maybe_unused, |
1218 | const char *s __maybe_unused, | |
1219 | int unset __maybe_unused) | |
4b9c0c59 TZ |
1220 | { |
1221 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1222 | char scripts_path[MAXPATHLEN]; | |
1223 | DIR *scripts_dir, *lang_dir; | |
1224 | char script_path[MAXPATHLEN]; | |
1225 | char lang_path[MAXPATHLEN]; | |
1226 | struct script_desc *desc; | |
1227 | char first_half[BUFSIZ]; | |
1228 | char *script_root; | |
4b9c0c59 TZ |
1229 | |
1230 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1231 | ||
1232 | scripts_dir = opendir(scripts_path); | |
1233 | if (!scripts_dir) | |
1234 | return -1; | |
1235 | ||
008f29d3 | 1236 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
1237 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1238 | lang_dirent.d_name); | |
1239 | lang_dir = opendir(lang_path); | |
1240 | if (!lang_dir) | |
1241 | continue; | |
1242 | ||
008f29d3 | 1243 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1244 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
1245 | if (script_root) { | |
4b9c0c59 TZ |
1246 | desc = script_desc__findnew(script_root); |
1247 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1248 | lang_path, script_dirent.d_name); | |
1249 | read_script_info(desc, script_path); | |
38efb539 | 1250 | free(script_root); |
4b9c0c59 | 1251 | } |
4b9c0c59 TZ |
1252 | } |
1253 | } | |
1254 | ||
1255 | fprintf(stdout, "List of available trace scripts:\n"); | |
1256 | list_for_each_entry(desc, &script_descs, node) { | |
1257 | sprintf(first_half, "%s %s", desc->name, | |
1258 | desc->args ? desc->args : ""); | |
1259 | fprintf(stdout, " %-36s %s\n", first_half, | |
1260 | desc->half_liner ? desc->half_liner : ""); | |
1261 | } | |
1262 | ||
1263 | exit(0); | |
1264 | } | |
1265 | ||
49e639e2 FT |
1266 | /* |
1267 | * Some scripts specify the required events in their "xxx-record" file, | |
1268 | * this function will check if the events in perf.data match those | |
1269 | * mentioned in the "xxx-record". | |
1270 | * | |
1271 | * Fixme: All existing "xxx-record" are all in good formats "-e event ", | |
1272 | * which is covered well now. And new parsing code should be added to | |
1273 | * cover the future complexing formats like event groups etc. | |
1274 | */ | |
1275 | static int check_ev_match(char *dir_name, char *scriptname, | |
1276 | struct perf_session *session) | |
1277 | { | |
1278 | char filename[MAXPATHLEN], evname[128]; | |
1279 | char line[BUFSIZ], *p; | |
1280 | struct perf_evsel *pos; | |
1281 | int match, len; | |
1282 | FILE *fp; | |
1283 | ||
1284 | sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); | |
1285 | ||
1286 | fp = fopen(filename, "r"); | |
1287 | if (!fp) | |
1288 | return -1; | |
1289 | ||
1290 | while (fgets(line, sizeof(line), fp)) { | |
1291 | p = ltrim(line); | |
1292 | if (*p == '#') | |
1293 | continue; | |
1294 | ||
1295 | while (strlen(p)) { | |
1296 | p = strstr(p, "-e"); | |
1297 | if (!p) | |
1298 | break; | |
1299 | ||
1300 | p += 2; | |
1301 | p = ltrim(p); | |
1302 | len = strcspn(p, " \t"); | |
1303 | if (!len) | |
1304 | break; | |
1305 | ||
1306 | snprintf(evname, len + 1, "%s", p); | |
1307 | ||
1308 | match = 0; | |
0050f7aa | 1309 | evlist__for_each(session->evlist, pos) { |
49e639e2 FT |
1310 | if (!strcmp(perf_evsel__name(pos), evname)) { |
1311 | match = 1; | |
1312 | break; | |
1313 | } | |
1314 | } | |
1315 | ||
1316 | if (!match) { | |
1317 | fclose(fp); | |
1318 | return -1; | |
1319 | } | |
1320 | } | |
1321 | } | |
1322 | ||
1323 | fclose(fp); | |
1324 | return 0; | |
1325 | } | |
1326 | ||
e5f3705e FT |
1327 | /* |
1328 | * Return -1 if none is found, otherwise the actual scripts number. | |
1329 | * | |
1330 | * Currently the only user of this function is the script browser, which | |
1331 | * will list all statically runnable scripts, select one, execute it and | |
1332 | * show the output in a perf browser. | |
1333 | */ | |
1334 | int find_scripts(char **scripts_array, char **scripts_path_array) | |
1335 | { | |
1336 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
49e639e2 | 1337 | char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; |
e5f3705e | 1338 | DIR *scripts_dir, *lang_dir; |
49e639e2 | 1339 | struct perf_session *session; |
f5fc1412 JO |
1340 | struct perf_data_file file = { |
1341 | .path = input_name, | |
1342 | .mode = PERF_DATA_MODE_READ, | |
1343 | }; | |
e5f3705e FT |
1344 | char *temp; |
1345 | int i = 0; | |
1346 | ||
f5fc1412 | 1347 | session = perf_session__new(&file, false, NULL); |
49e639e2 FT |
1348 | if (!session) |
1349 | return -1; | |
1350 | ||
e5f3705e FT |
1351 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); |
1352 | ||
1353 | scripts_dir = opendir(scripts_path); | |
49e639e2 FT |
1354 | if (!scripts_dir) { |
1355 | perf_session__delete(session); | |
e5f3705e | 1356 | return -1; |
49e639e2 | 1357 | } |
e5f3705e FT |
1358 | |
1359 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { | |
1360 | snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, | |
1361 | lang_dirent.d_name); | |
1362 | #ifdef NO_LIBPERL | |
1363 | if (strstr(lang_path, "perl")) | |
1364 | continue; | |
1365 | #endif | |
1366 | #ifdef NO_LIBPYTHON | |
1367 | if (strstr(lang_path, "python")) | |
1368 | continue; | |
1369 | #endif | |
1370 | ||
1371 | lang_dir = opendir(lang_path); | |
1372 | if (!lang_dir) | |
1373 | continue; | |
1374 | ||
1375 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { | |
1376 | /* Skip those real time scripts: xxxtop.p[yl] */ | |
1377 | if (strstr(script_dirent.d_name, "top.")) | |
1378 | continue; | |
1379 | sprintf(scripts_path_array[i], "%s/%s", lang_path, | |
1380 | script_dirent.d_name); | |
1381 | temp = strchr(script_dirent.d_name, '.'); | |
1382 | snprintf(scripts_array[i], | |
1383 | (temp - script_dirent.d_name) + 1, | |
1384 | "%s", script_dirent.d_name); | |
49e639e2 FT |
1385 | |
1386 | if (check_ev_match(lang_path, | |
1387 | scripts_array[i], session)) | |
1388 | continue; | |
1389 | ||
e5f3705e FT |
1390 | i++; |
1391 | } | |
49e639e2 | 1392 | closedir(lang_dir); |
e5f3705e FT |
1393 | } |
1394 | ||
49e639e2 FT |
1395 | closedir(scripts_dir); |
1396 | perf_session__delete(session); | |
e5f3705e FT |
1397 | return i; |
1398 | } | |
1399 | ||
3875294f TZ |
1400 | static char *get_script_path(const char *script_root, const char *suffix) |
1401 | { | |
1402 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1403 | char scripts_path[MAXPATHLEN]; | |
1404 | char script_path[MAXPATHLEN]; | |
1405 | DIR *scripts_dir, *lang_dir; | |
1406 | char lang_path[MAXPATHLEN]; | |
38efb539 | 1407 | char *__script_root; |
3875294f TZ |
1408 | |
1409 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1410 | ||
1411 | scripts_dir = opendir(scripts_path); | |
1412 | if (!scripts_dir) | |
1413 | return NULL; | |
1414 | ||
008f29d3 | 1415 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
1416 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1417 | lang_dirent.d_name); | |
1418 | lang_dir = opendir(lang_path); | |
1419 | if (!lang_dir) | |
1420 | continue; | |
1421 | ||
008f29d3 | 1422 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1423 | __script_root = get_script_root(&script_dirent, suffix); |
1424 | if (__script_root && !strcmp(script_root, __script_root)) { | |
1425 | free(__script_root); | |
946ef2a2 NK |
1426 | closedir(lang_dir); |
1427 | closedir(scripts_dir); | |
3875294f TZ |
1428 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
1429 | lang_path, script_dirent.d_name); | |
38efb539 | 1430 | return strdup(script_path); |
3875294f TZ |
1431 | } |
1432 | free(__script_root); | |
1433 | } | |
946ef2a2 | 1434 | closedir(lang_dir); |
3875294f | 1435 | } |
946ef2a2 | 1436 | closedir(scripts_dir); |
3875294f | 1437 | |
38efb539 | 1438 | return NULL; |
3875294f TZ |
1439 | } |
1440 | ||
b5b87312 TZ |
1441 | static bool is_top_script(const char *script_path) |
1442 | { | |
965bb6be | 1443 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1444 | } |
1445 | ||
1446 | static int has_required_arg(char *script_path) | |
1447 | { | |
1448 | struct script_desc *desc; | |
1449 | int n_args = 0; | |
1450 | char *p; | |
1451 | ||
1452 | desc = script_desc__new(NULL); | |
1453 | ||
1454 | if (read_script_info(desc, script_path)) | |
1455 | goto out; | |
1456 | ||
1457 | if (!desc->args) | |
1458 | goto out; | |
1459 | ||
1460 | for (p = desc->args; *p; p++) | |
1461 | if (*p == '<') | |
1462 | n_args++; | |
1463 | out: | |
1464 | script_desc__delete(desc); | |
1465 | ||
1466 | return n_args; | |
1467 | } | |
1468 | ||
69b6470e ACM |
1469 | static int have_cmd(int argc, const char **argv) |
1470 | { | |
1471 | char **__argv = malloc(sizeof(const char *) * argc); | |
1472 | ||
1473 | if (!__argv) { | |
1474 | pr_err("malloc failed\n"); | |
1475 | return -1; | |
1476 | } | |
1477 | ||
1478 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1479 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1480 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1481 | free(__argv); | |
5f9c39dc | 1482 | |
69b6470e ACM |
1483 | system_wide = (argc == 0); |
1484 | ||
1485 | return 0; | |
1486 | } | |
1487 | ||
1488 | int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) | |
1489 | { | |
1490 | bool show_full_info = false; | |
e90debdd JO |
1491 | bool header = false; |
1492 | bool header_only = false; | |
6cc870f0 | 1493 | bool script_started = false; |
69b6470e ACM |
1494 | char *rec_script_path = NULL; |
1495 | char *rep_script_path = NULL; | |
1496 | struct perf_session *session; | |
1497 | char *script_path = NULL; | |
1498 | const char **__argv; | |
6cc870f0 | 1499 | int i, j, err = 0; |
6f3e5eda AH |
1500 | struct perf_script script = { |
1501 | .tool = { | |
1502 | .sample = process_sample_event, | |
1503 | .mmap = perf_event__process_mmap, | |
1504 | .mmap2 = perf_event__process_mmap2, | |
1505 | .comm = perf_event__process_comm, | |
1506 | .exit = perf_event__process_exit, | |
1507 | .fork = perf_event__process_fork, | |
7ea95727 | 1508 | .attr = process_attr, |
6f3e5eda AH |
1509 | .tracing_data = perf_event__process_tracing_data, |
1510 | .build_id = perf_event__process_build_id, | |
0a8cb85c | 1511 | .ordered_events = true, |
6f3e5eda AH |
1512 | .ordering_requires_timestamps = true, |
1513 | }, | |
1514 | }; | |
69b6470e | 1515 | const struct option options[] = { |
5f9c39dc FW |
1516 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1517 | "dump raw trace in ASCII"), | |
c0555642 | 1518 | OPT_INCR('v', "verbose", &verbose, |
69b6470e | 1519 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1520 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1521 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1522 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1523 | list_available_scripts), | |
956ffd02 TZ |
1524 | OPT_CALLBACK('s', "script", NULL, "name", |
1525 | "script file name (lang:script name, script name, or *)", | |
1526 | parse_scriptname), | |
1527 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1528 | "generate perf-script.xx script in specified language"), |
69b6470e | 1529 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
ffabd99e FW |
1530 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1531 | "do various checks like samples ordering and lost events"), | |
e90debdd JO |
1532 | OPT_BOOLEAN(0, "header", &header, "Show data header."), |
1533 | OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), | |
c0230b2b DA |
1534 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1535 | "file", "vmlinux pathname"), | |
1536 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1537 | "file", "kallsyms pathname"), | |
1538 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1539 | "When printing symbols do not display call chain"), | |
1540 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1541 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1542 | OPT_CALLBACK('f', "fields", NULL, "str", |
a978f2ab AN |
1543 | "comma separated output fields prepend with 'type:'. " |
1544 | "Valid types: hw,sw,trace,raw. " | |
1545 | "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," | |
69b6470e | 1546 | "addr,symoff", parse_output_fields), |
317df650 | 1547 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
69b6470e | 1548 | "system-wide collection from all CPUs"), |
36385be5 FT |
1549 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
1550 | "only consider these symbols"), | |
c8e66720 | 1551 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
e7984b7b DA |
1552 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
1553 | "only display events for these comms"), | |
fbe96f29 SE |
1554 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1555 | "display extended information from perf.data file"), | |
0bc8d205 AN |
1556 | OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, |
1557 | "Show the path of [kernel.kallsyms]"), | |
ad7ebb9a NK |
1558 | OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, |
1559 | "Show the fork/comm/exit events"), | |
ba1ddf42 NK |
1560 | OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, |
1561 | "Show the mmap events"), | |
1909629f | 1562 | OPT_END() |
69b6470e ACM |
1563 | }; |
1564 | const char * const script_usage[] = { | |
1565 | "perf script [<options>]", | |
1566 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1567 | "perf script [<options>] report <script> [script-args]", | |
1568 | "perf script [<options>] <script> [<record-options>] <command>", | |
1569 | "perf script [<options>] <top-script> [script-args]", | |
1570 | NULL | |
1571 | }; | |
f5fc1412 JO |
1572 | struct perf_data_file file = { |
1573 | .mode = PERF_DATA_MODE_READ, | |
1574 | }; | |
3875294f | 1575 | |
b5b87312 TZ |
1576 | setup_scripting(); |
1577 | ||
133dc4c3 | 1578 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1579 | PARSE_OPT_STOP_AT_NON_OPTION); |
1580 | ||
f5fc1412 JO |
1581 | file.path = input_name; |
1582 | ||
b5b87312 TZ |
1583 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { |
1584 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1585 | if (!rec_script_path) | |
1586 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1587 | } |
1588 | ||
b5b87312 TZ |
1589 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1590 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1591 | if (!rep_script_path) { | |
3875294f | 1592 | fprintf(stderr, |
b5b87312 | 1593 | "Please specify a valid report script" |
133dc4c3 | 1594 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1595 | return -1; |
1596 | } | |
3875294f TZ |
1597 | } |
1598 | ||
44e668c6 BH |
1599 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1600 | perf_set_argv_exec_path(perf_exec_path()); | |
1601 | ||
b5b87312 | 1602 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1603 | int live_pipe[2]; |
b5b87312 | 1604 | int rep_args; |
a0cccc2e TZ |
1605 | pid_t pid; |
1606 | ||
b5b87312 TZ |
1607 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1608 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1609 | ||
1610 | if (!rec_script_path && !rep_script_path) { | |
1611 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1612 | " script -l for available scripts.\n", argv[0]); |
1613 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1614 | } |
1615 | ||
b5b87312 TZ |
1616 | if (is_top_script(argv[0])) { |
1617 | rep_args = argc - 1; | |
1618 | } else { | |
1619 | int rec_args; | |
1620 | ||
1621 | rep_args = has_required_arg(rep_script_path); | |
1622 | rec_args = (argc - 1) - rep_args; | |
1623 | if (rec_args < 0) { | |
1624 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1625 | "\n\n See perf script -l for available " |
b5b87312 | 1626 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1627 | usage_with_options(script_usage, options); |
b5b87312 | 1628 | } |
a0cccc2e TZ |
1629 | } |
1630 | ||
1631 | if (pipe(live_pipe) < 0) { | |
1632 | perror("failed to create pipe"); | |
d54b1a9e | 1633 | return -1; |
a0cccc2e TZ |
1634 | } |
1635 | ||
1636 | pid = fork(); | |
1637 | if (pid < 0) { | |
1638 | perror("failed to fork"); | |
d54b1a9e | 1639 | return -1; |
a0cccc2e TZ |
1640 | } |
1641 | ||
1642 | if (!pid) { | |
b5b87312 TZ |
1643 | j = 0; |
1644 | ||
a0cccc2e TZ |
1645 | dup2(live_pipe[1], 1); |
1646 | close(live_pipe[0]); | |
1647 | ||
317df650 RR |
1648 | if (is_top_script(argv[0])) { |
1649 | system_wide = true; | |
1650 | } else if (!system_wide) { | |
d54b1a9e DA |
1651 | if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { |
1652 | err = -1; | |
1653 | goto out; | |
1654 | } | |
317df650 | 1655 | } |
b5b87312 TZ |
1656 | |
1657 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
d54b1a9e DA |
1658 | if (!__argv) { |
1659 | pr_err("malloc failed\n"); | |
1660 | err = -ENOMEM; | |
1661 | goto out; | |
1662 | } | |
e8719adf | 1663 | |
b5b87312 TZ |
1664 | __argv[j++] = "/bin/sh"; |
1665 | __argv[j++] = rec_script_path; | |
1666 | if (system_wide) | |
1667 | __argv[j++] = "-a"; | |
1668 | __argv[j++] = "-q"; | |
1669 | __argv[j++] = "-o"; | |
1670 | __argv[j++] = "-"; | |
1671 | for (i = rep_args + 1; i < argc; i++) | |
1672 | __argv[j++] = argv[i]; | |
1673 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1674 | |
1675 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1676 | free(__argv); |
a0cccc2e TZ |
1677 | exit(-1); |
1678 | } | |
1679 | ||
1680 | dup2(live_pipe[0], 0); | |
1681 | close(live_pipe[1]); | |
1682 | ||
b5b87312 | 1683 | __argv = malloc((argc + 4) * sizeof(const char *)); |
d54b1a9e DA |
1684 | if (!__argv) { |
1685 | pr_err("malloc failed\n"); | |
1686 | err = -ENOMEM; | |
1687 | goto out; | |
1688 | } | |
1689 | ||
b5b87312 TZ |
1690 | j = 0; |
1691 | __argv[j++] = "/bin/sh"; | |
1692 | __argv[j++] = rep_script_path; | |
1693 | for (i = 1; i < rep_args + 1; i++) | |
1694 | __argv[j++] = argv[i]; | |
1695 | __argv[j++] = "-i"; | |
1696 | __argv[j++] = "-"; | |
1697 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1698 | |
1699 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1700 | free(__argv); |
a0cccc2e TZ |
1701 | exit(-1); |
1702 | } | |
1703 | ||
b5b87312 TZ |
1704 | if (rec_script_path) |
1705 | script_path = rec_script_path; | |
1706 | if (rep_script_path) | |
1707 | script_path = rep_script_path; | |
34c86ea9 | 1708 | |
b5b87312 | 1709 | if (script_path) { |
b5b87312 | 1710 | j = 0; |
3875294f | 1711 | |
317df650 RR |
1712 | if (!rec_script_path) |
1713 | system_wide = false; | |
d54b1a9e DA |
1714 | else if (!system_wide) { |
1715 | if (have_cmd(argc - 1, &argv[1]) != 0) { | |
1716 | err = -1; | |
1717 | goto out; | |
1718 | } | |
1719 | } | |
34c86ea9 | 1720 | |
b5b87312 | 1721 | __argv = malloc((argc + 2) * sizeof(const char *)); |
d54b1a9e DA |
1722 | if (!__argv) { |
1723 | pr_err("malloc failed\n"); | |
1724 | err = -ENOMEM; | |
1725 | goto out; | |
1726 | } | |
1727 | ||
34c86ea9 TZ |
1728 | __argv[j++] = "/bin/sh"; |
1729 | __argv[j++] = script_path; | |
1730 | if (system_wide) | |
1731 | __argv[j++] = "-a"; | |
b5b87312 | 1732 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1733 | __argv[j++] = argv[i]; |
1734 | __argv[j++] = NULL; | |
3875294f TZ |
1735 | |
1736 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1737 | free(__argv); |
3875294f TZ |
1738 | exit(-1); |
1739 | } | |
956ffd02 | 1740 | |
cf4fee50 TZ |
1741 | if (!script_name) |
1742 | setup_pager(); | |
5f9c39dc | 1743 | |
6f3e5eda | 1744 | session = perf_session__new(&file, false, &script.tool); |
d8f66248 | 1745 | if (session == NULL) |
52e02834 | 1746 | return -1; |
d8f66248 | 1747 | |
e90debdd JO |
1748 | if (header || header_only) { |
1749 | perf_session__fprintf_info(session, stdout, show_full_info); | |
1750 | if (header_only) | |
6cc870f0 | 1751 | goto out_delete; |
e90debdd JO |
1752 | } |
1753 | ||
0a7e6d1b | 1754 | if (symbol__init(&session->header.env) < 0) |
38520dc3 NK |
1755 | goto out_delete; |
1756 | ||
6f3e5eda AH |
1757 | script.session = session; |
1758 | ||
5d67be97 | 1759 | if (cpu_list) { |
6cc870f0 NK |
1760 | err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); |
1761 | if (err < 0) | |
1762 | goto out_delete; | |
5d67be97 AB |
1763 | } |
1764 | ||
1424dc96 | 1765 | if (!no_callchain) |
c0230b2b DA |
1766 | symbol_conf.use_callchain = true; |
1767 | else | |
1768 | symbol_conf.use_callchain = false; | |
1769 | ||
956ffd02 TZ |
1770 | if (generate_script_lang) { |
1771 | struct stat perf_stat; | |
745f43e3 DA |
1772 | int input; |
1773 | ||
2c9e45f7 | 1774 | if (output_set_by_user()) { |
745f43e3 DA |
1775 | fprintf(stderr, |
1776 | "custom fields not supported for generated scripts"); | |
6cc870f0 NK |
1777 | err = -EINVAL; |
1778 | goto out_delete; | |
745f43e3 | 1779 | } |
956ffd02 | 1780 | |
cc9784bd | 1781 | input = open(file.path, O_RDONLY); /* input_name */ |
956ffd02 | 1782 | if (input < 0) { |
6cc870f0 | 1783 | err = -errno; |
956ffd02 | 1784 | perror("failed to open file"); |
6cc870f0 | 1785 | goto out_delete; |
956ffd02 TZ |
1786 | } |
1787 | ||
1788 | err = fstat(input, &perf_stat); | |
1789 | if (err < 0) { | |
1790 | perror("failed to stat file"); | |
6cc870f0 | 1791 | goto out_delete; |
956ffd02 TZ |
1792 | } |
1793 | ||
1794 | if (!perf_stat.st_size) { | |
1795 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
6cc870f0 | 1796 | goto out_delete; |
956ffd02 TZ |
1797 | } |
1798 | ||
1799 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1800 | if (!scripting_ops) { | |
1801 | fprintf(stderr, "invalid language specifier"); | |
6cc870f0 NK |
1802 | err = -ENOENT; |
1803 | goto out_delete; | |
956ffd02 TZ |
1804 | } |
1805 | ||
29f5ffd3 | 1806 | err = scripting_ops->generate_script(session->tevent.pevent, |
da378962 | 1807 | "perf-script"); |
6cc870f0 | 1808 | goto out_delete; |
956ffd02 TZ |
1809 | } |
1810 | ||
1811 | if (script_name) { | |
586bc5cc | 1812 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 | 1813 | if (err) |
6cc870f0 | 1814 | goto out_delete; |
133dc4c3 | 1815 | pr_debug("perf script started with script %s\n\n", script_name); |
6cc870f0 | 1816 | script_started = true; |
956ffd02 TZ |
1817 | } |
1818 | ||
9cbdb702 DA |
1819 | |
1820 | err = perf_session__check_output_opt(session); | |
1821 | if (err < 0) | |
6cc870f0 | 1822 | goto out_delete; |
9cbdb702 | 1823 | |
6f3e5eda | 1824 | err = __cmd_script(&script); |
956ffd02 | 1825 | |
d445dd2a AH |
1826 | flush_scripting(); |
1827 | ||
6cc870f0 | 1828 | out_delete: |
d8f66248 | 1829 | perf_session__delete(session); |
6cc870f0 NK |
1830 | |
1831 | if (script_started) | |
1832 | cleanup_scripting(); | |
956ffd02 TZ |
1833 | out: |
1834 | return err; | |
5f9c39dc | 1835 | } |