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" |
5d67be97 | 18 | #include <linux/bitmap.h> |
5f9c39dc | 19 | |
956ffd02 TZ |
20 | static char const *script_name; |
21 | static char const *generate_script_lang; | |
ffabd99e | 22 | static bool debug_mode; |
e1889d75 | 23 | static u64 last_timestamp; |
6fcf7ddb | 24 | static u64 nr_unordered; |
34c86ea9 | 25 | extern const struct option record_options[]; |
c0230b2b | 26 | static bool no_callchain; |
317df650 | 27 | static bool system_wide; |
5d67be97 AB |
28 | static const char *cpu_list; |
29 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
956ffd02 | 30 | |
745f43e3 DA |
31 | enum perf_output_field { |
32 | PERF_OUTPUT_COMM = 1U << 0, | |
33 | PERF_OUTPUT_TID = 1U << 1, | |
34 | PERF_OUTPUT_PID = 1U << 2, | |
35 | PERF_OUTPUT_TIME = 1U << 3, | |
36 | PERF_OUTPUT_CPU = 1U << 4, | |
37 | PERF_OUTPUT_EVNAME = 1U << 5, | |
38 | PERF_OUTPUT_TRACE = 1U << 6, | |
787bef17 DA |
39 | PERF_OUTPUT_IP = 1U << 7, |
40 | PERF_OUTPUT_SYM = 1U << 8, | |
610723f2 | 41 | PERF_OUTPUT_DSO = 1U << 9, |
7cec0922 | 42 | PERF_OUTPUT_ADDR = 1U << 10, |
a978f2ab | 43 | PERF_OUTPUT_SYMOFFSET = 1U << 11, |
745f43e3 DA |
44 | }; |
45 | ||
46 | struct output_option { | |
47 | const char *str; | |
48 | enum perf_output_field field; | |
49 | } all_output_options[] = { | |
50 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
51 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
52 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
53 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
54 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
55 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
56 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
787bef17 | 57 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
c0230b2b | 58 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
610723f2 | 59 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
7cec0922 | 60 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
a978f2ab | 61 | {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, |
745f43e3 DA |
62 | }; |
63 | ||
64 | /* default set to maintain compatibility with current format */ | |
2c9e45f7 DA |
65 | static struct { |
66 | bool user_set; | |
9cbdb702 | 67 | bool wildcard_set; |
2c9e45f7 DA |
68 | u64 fields; |
69 | u64 invalid_fields; | |
70 | } output[PERF_TYPE_MAX] = { | |
71 | ||
72 | [PERF_TYPE_HARDWARE] = { | |
73 | .user_set = false, | |
74 | ||
75 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
76 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 77 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 78 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
79 | |
80 | .invalid_fields = PERF_OUTPUT_TRACE, | |
81 | }, | |
82 | ||
83 | [PERF_TYPE_SOFTWARE] = { | |
84 | .user_set = false, | |
85 | ||
86 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
87 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 88 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 89 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
90 | |
91 | .invalid_fields = PERF_OUTPUT_TRACE, | |
92 | }, | |
93 | ||
94 | [PERF_TYPE_TRACEPOINT] = { | |
95 | .user_set = false, | |
96 | ||
97 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
98 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
99 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, | |
100 | }, | |
0817a6a3 AS |
101 | |
102 | [PERF_TYPE_RAW] = { | |
103 | .user_set = false, | |
104 | ||
105 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
106 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 107 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 108 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
0817a6a3 AS |
109 | |
110 | .invalid_fields = PERF_OUTPUT_TRACE, | |
111 | }, | |
1424dc96 | 112 | }; |
745f43e3 | 113 | |
2c9e45f7 DA |
114 | static bool output_set_by_user(void) |
115 | { | |
116 | int j; | |
117 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
118 | if (output[j].user_set) | |
119 | return true; | |
120 | } | |
121 | return false; | |
122 | } | |
745f43e3 | 123 | |
9cbdb702 DA |
124 | static const char *output_field2str(enum perf_output_field field) |
125 | { | |
126 | int i, imax = ARRAY_SIZE(all_output_options); | |
127 | const char *str = ""; | |
128 | ||
129 | for (i = 0; i < imax; ++i) { | |
130 | if (all_output_options[i].field == field) { | |
131 | str = all_output_options[i].str; | |
132 | break; | |
133 | } | |
134 | } | |
135 | return str; | |
136 | } | |
137 | ||
2c9e45f7 | 138 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
1424dc96 | 139 | |
5bff01f6 ACM |
140 | static int perf_evsel__check_stype(struct perf_evsel *evsel, |
141 | u64 sample_type, const char *sample_msg, | |
142 | enum perf_output_field field) | |
1424dc96 | 143 | { |
5bff01f6 | 144 | struct perf_event_attr *attr = &evsel->attr; |
9cbdb702 DA |
145 | int type = attr->type; |
146 | const char *evname; | |
147 | ||
148 | if (attr->sample_type & sample_type) | |
149 | return 0; | |
150 | ||
151 | if (output[type].user_set) { | |
5bff01f6 | 152 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
153 | pr_err("Samples for '%s' event do not have %s attribute set. " |
154 | "Cannot print '%s' field.\n", | |
155 | evname, sample_msg, output_field2str(field)); | |
156 | return -1; | |
157 | } | |
158 | ||
159 | /* user did not ask for it explicitly so remove from the default list */ | |
160 | output[type].fields &= ~field; | |
5bff01f6 | 161 | evname = perf_evsel__name(evsel); |
9cbdb702 DA |
162 | pr_debug("Samples for '%s' event do not have %s attribute set. " |
163 | "Skipping '%s' field.\n", | |
164 | evname, sample_msg, output_field2str(field)); | |
165 | ||
166 | return 0; | |
167 | } | |
168 | ||
169 | static int perf_evsel__check_attr(struct perf_evsel *evsel, | |
170 | struct perf_session *session) | |
171 | { | |
172 | struct perf_event_attr *attr = &evsel->attr; | |
173 | ||
1424dc96 DA |
174 | if (PRINT_FIELD(TRACE) && |
175 | !perf_session__has_traces(session, "record -R")) | |
176 | return -EINVAL; | |
177 | ||
787bef17 | 178 | if (PRINT_FIELD(IP)) { |
5bff01f6 ACM |
179 | if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", |
180 | PERF_OUTPUT_IP)) | |
1424dc96 | 181 | return -EINVAL; |
9cbdb702 | 182 | |
1424dc96 | 183 | if (!no_callchain && |
9cbdb702 | 184 | !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) |
1424dc96 DA |
185 | symbol_conf.use_callchain = false; |
186 | } | |
7cec0922 DA |
187 | |
188 | if (PRINT_FIELD(ADDR) && | |
5bff01f6 ACM |
189 | perf_evsel__check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", |
190 | PERF_OUTPUT_ADDR)) | |
7cec0922 DA |
191 | return -EINVAL; |
192 | ||
193 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { | |
194 | pr_err("Display of symbols requested but neither sample IP nor " | |
195 | "sample address\nis selected. Hence, no addresses to convert " | |
196 | "to symbols.\n"); | |
787bef17 DA |
197 | return -EINVAL; |
198 | } | |
a978f2ab AN |
199 | if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { |
200 | pr_err("Display of offsets requested but symbol is not" | |
201 | "selected.\n"); | |
202 | return -EINVAL; | |
203 | } | |
7cec0922 DA |
204 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
205 | pr_err("Display of DSO requested but neither sample IP nor " | |
206 | "sample address\nis selected. Hence, no addresses to convert " | |
207 | "to DSO.\n"); | |
610723f2 DA |
208 | return -EINVAL; |
209 | } | |
1424dc96 DA |
210 | |
211 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && | |
5bff01f6 ACM |
212 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", |
213 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) | |
1424dc96 | 214 | return -EINVAL; |
1424dc96 DA |
215 | |
216 | if (PRINT_FIELD(TIME) && | |
5bff01f6 ACM |
217 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", |
218 | PERF_OUTPUT_TIME)) | |
1424dc96 | 219 | return -EINVAL; |
1424dc96 DA |
220 | |
221 | if (PRINT_FIELD(CPU) && | |
5bff01f6 ACM |
222 | perf_evsel__check_stype(evsel, PERF_SAMPLE_CPU, "CPU", |
223 | PERF_OUTPUT_CPU)) | |
1424dc96 | 224 | return -EINVAL; |
9cbdb702 DA |
225 | |
226 | return 0; | |
227 | } | |
228 | ||
229 | /* | |
230 | * verify all user requested events exist and the samples | |
231 | * have the expected data | |
232 | */ | |
233 | static int perf_session__check_output_opt(struct perf_session *session) | |
234 | { | |
235 | int j; | |
236 | struct perf_evsel *evsel; | |
237 | ||
238 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
239 | evsel = perf_session__find_first_evtype(session, j); | |
240 | ||
241 | /* | |
242 | * even if fields is set to 0 (ie., show nothing) event must | |
243 | * exist if user explicitly includes it on the command line | |
244 | */ | |
245 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { | |
246 | pr_err("%s events do not exist. " | |
247 | "Remove corresponding -f option to proceed.\n", | |
248 | event_type(j)); | |
249 | return -1; | |
250 | } | |
251 | ||
252 | if (evsel && output[j].fields && | |
253 | perf_evsel__check_attr(evsel, session)) | |
254 | return -1; | |
1424dc96 DA |
255 | } |
256 | ||
257 | return 0; | |
258 | } | |
745f43e3 | 259 | |
fcf65bf1 | 260 | static void print_sample_start(struct perf_sample *sample, |
1424dc96 | 261 | struct thread *thread, |
5bff01f6 | 262 | struct perf_evsel *evsel) |
c70c94b4 | 263 | { |
5bff01f6 | 264 | struct perf_event_attr *attr = &evsel->attr; |
c70c94b4 DA |
265 | const char *evname = NULL; |
266 | unsigned long secs; | |
267 | unsigned long usecs; | |
745f43e3 DA |
268 | unsigned long long nsecs; |
269 | ||
270 | if (PRINT_FIELD(COMM)) { | |
271 | if (latency_format) | |
272 | printf("%8.8s ", thread->comm); | |
787bef17 | 273 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
c0230b2b | 274 | printf("%s ", thread->comm); |
745f43e3 DA |
275 | else |
276 | printf("%16s ", thread->comm); | |
277 | } | |
c70c94b4 | 278 | |
745f43e3 DA |
279 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
280 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
281 | else if (PRINT_FIELD(PID)) | |
282 | printf("%5d ", sample->pid); | |
283 | else if (PRINT_FIELD(TID)) | |
284 | printf("%5d ", sample->tid); | |
285 | ||
286 | if (PRINT_FIELD(CPU)) { | |
287 | if (latency_format) | |
288 | printf("%3d ", sample->cpu); | |
289 | else | |
290 | printf("[%03d] ", sample->cpu); | |
291 | } | |
c70c94b4 | 292 | |
745f43e3 DA |
293 | if (PRINT_FIELD(TIME)) { |
294 | nsecs = sample->time; | |
295 | secs = nsecs / NSECS_PER_SEC; | |
296 | nsecs -= secs * NSECS_PER_SEC; | |
297 | usecs = nsecs / NSECS_PER_USEC; | |
298 | printf("%5lu.%06lu: ", secs, usecs); | |
299 | } | |
c70c94b4 | 300 | |
745f43e3 | 301 | if (PRINT_FIELD(EVNAME)) { |
fcf65bf1 | 302 | evname = perf_evsel__name(evsel); |
547a92e0 | 303 | printf("%s: ", evname ? evname : "[unknown]"); |
745f43e3 | 304 | } |
c70c94b4 DA |
305 | } |
306 | ||
95582596 AN |
307 | static bool is_bts_event(struct perf_event_attr *attr) |
308 | { | |
309 | return ((attr->type == PERF_TYPE_HARDWARE) && | |
310 | (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && | |
311 | (attr->sample_period == 1)); | |
312 | } | |
313 | ||
7cec0922 DA |
314 | static bool sample_addr_correlates_sym(struct perf_event_attr *attr) |
315 | { | |
316 | if ((attr->type == PERF_TYPE_SOFTWARE) && | |
317 | ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || | |
318 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || | |
319 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) | |
320 | return true; | |
321 | ||
95582596 AN |
322 | if (is_bts_event(attr)) |
323 | return true; | |
324 | ||
7cec0922 DA |
325 | return false; |
326 | } | |
327 | ||
328 | static void print_sample_addr(union perf_event *event, | |
329 | struct perf_sample *sample, | |
743eb868 | 330 | struct machine *machine, |
7cec0922 DA |
331 | struct thread *thread, |
332 | struct perf_event_attr *attr) | |
333 | { | |
334 | struct addr_location al; | |
335 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
7cec0922 DA |
336 | |
337 | printf("%16" PRIx64, sample->addr); | |
338 | ||
339 | if (!sample_addr_correlates_sym(attr)) | |
340 | return; | |
341 | ||
743eb868 ACM |
342 | thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, |
343 | sample->addr, &al); | |
7cec0922 | 344 | if (!al.map) |
743eb868 ACM |
345 | thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE, |
346 | sample->addr, &al); | |
7cec0922 DA |
347 | |
348 | al.cpu = sample->cpu; | |
349 | al.sym = NULL; | |
350 | ||
351 | if (al.map) | |
352 | al.sym = map__find_symbol(al.map, al.addr, NULL); | |
353 | ||
354 | if (PRINT_FIELD(SYM)) { | |
547a92e0 | 355 | printf(" "); |
a978f2ab AN |
356 | if (PRINT_FIELD(SYMOFFSET)) |
357 | symbol__fprintf_symname_offs(al.sym, &al, stdout); | |
358 | else | |
359 | symbol__fprintf_symname(al.sym, stdout); | |
7cec0922 DA |
360 | } |
361 | ||
362 | if (PRINT_FIELD(DSO)) { | |
547a92e0 AN |
363 | printf(" ("); |
364 | map__fprintf_dsoname(al.map, stdout); | |
365 | printf(")"); | |
7cec0922 DA |
366 | } |
367 | } | |
368 | ||
95582596 AN |
369 | static void print_sample_bts(union perf_event *event, |
370 | struct perf_sample *sample, | |
371 | struct perf_evsel *evsel, | |
372 | struct machine *machine, | |
373 | struct thread *thread) | |
374 | { | |
375 | struct perf_event_attr *attr = &evsel->attr; | |
376 | ||
377 | /* print branch_from information */ | |
378 | if (PRINT_FIELD(IP)) { | |
379 | if (!symbol_conf.use_callchain) | |
380 | printf(" "); | |
381 | else | |
382 | printf("\n"); | |
71ad0f5e | 383 | perf_evsel__print_ip(evsel, event, sample, machine, |
a978f2ab AN |
384 | PRINT_FIELD(SYM), PRINT_FIELD(DSO), |
385 | PRINT_FIELD(SYMOFFSET)); | |
95582596 AN |
386 | } |
387 | ||
388 | printf(" => "); | |
389 | ||
390 | /* print branch_to information */ | |
391 | if (PRINT_FIELD(ADDR)) | |
392 | print_sample_addr(event, sample, machine, thread, attr); | |
393 | ||
394 | printf("\n"); | |
395 | } | |
396 | ||
97822433 ACM |
397 | static void process_event(union perf_event *event, struct perf_sample *sample, |
398 | struct perf_evsel *evsel, struct machine *machine, | |
73994dc1 | 399 | struct addr_location *al) |
be6d842a | 400 | { |
9e69c210 | 401 | struct perf_event_attr *attr = &evsel->attr; |
73994dc1 | 402 | struct thread *thread = al->thread; |
1424dc96 | 403 | |
2c9e45f7 | 404 | if (output[attr->type].fields == 0) |
1424dc96 DA |
405 | return; |
406 | ||
fcf65bf1 | 407 | print_sample_start(sample, thread, evsel); |
745f43e3 | 408 | |
95582596 AN |
409 | if (is_bts_event(attr)) { |
410 | print_sample_bts(event, sample, evsel, machine, thread); | |
411 | return; | |
412 | } | |
413 | ||
745f43e3 | 414 | if (PRINT_FIELD(TRACE)) |
fcf65bf1 ACM |
415 | event_format__print(evsel->tp_format, sample->cpu, |
416 | sample->raw_data, sample->raw_size); | |
7cec0922 | 417 | if (PRINT_FIELD(ADDR)) |
743eb868 | 418 | print_sample_addr(event, sample, machine, thread, attr); |
7cec0922 | 419 | |
787bef17 | 420 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
421 | if (!symbol_conf.use_callchain) |
422 | printf(" "); | |
423 | else | |
424 | printf("\n"); | |
71ad0f5e | 425 | perf_evsel__print_ip(evsel, event, sample, machine, |
a978f2ab AN |
426 | PRINT_FIELD(SYM), PRINT_FIELD(DSO), |
427 | PRINT_FIELD(SYMOFFSET)); | |
c0230b2b DA |
428 | } |
429 | ||
c70c94b4 | 430 | printf("\n"); |
be6d842a DA |
431 | } |
432 | ||
1d037ca1 IT |
433 | static int default_start_script(const char *script __maybe_unused, |
434 | int argc __maybe_unused, | |
435 | const char **argv __maybe_unused) | |
956ffd02 TZ |
436 | { |
437 | return 0; | |
438 | } | |
439 | ||
440 | static int default_stop_script(void) | |
441 | { | |
442 | return 0; | |
443 | } | |
444 | ||
1d037ca1 IT |
445 | static int default_generate_script(struct pevent *pevent __maybe_unused, |
446 | const char *outfile __maybe_unused) | |
956ffd02 TZ |
447 | { |
448 | return 0; | |
449 | } | |
450 | ||
451 | static struct scripting_ops default_scripting_ops = { | |
452 | .start_script = default_start_script, | |
453 | .stop_script = default_stop_script, | |
be6d842a | 454 | .process_event = process_event, |
956ffd02 TZ |
455 | .generate_script = default_generate_script, |
456 | }; | |
457 | ||
458 | static struct scripting_ops *scripting_ops; | |
459 | ||
460 | static void setup_scripting(void) | |
461 | { | |
16c632de | 462 | setup_perl_scripting(); |
7e4b21b8 | 463 | setup_python_scripting(); |
16c632de | 464 | |
956ffd02 TZ |
465 | scripting_ops = &default_scripting_ops; |
466 | } | |
467 | ||
468 | static int cleanup_scripting(void) | |
469 | { | |
133dc4c3 | 470 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 471 | |
956ffd02 TZ |
472 | return scripting_ops->stop_script(); |
473 | } | |
474 | ||
1d037ca1 | 475 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 476 | union perf_event *event, |
8115d60c | 477 | struct perf_sample *sample, |
9e69c210 | 478 | struct perf_evsel *evsel, |
743eb868 | 479 | struct machine *machine) |
5f9c39dc | 480 | { |
e7984b7b | 481 | struct addr_location al; |
64aab93c | 482 | struct thread *thread = machine__findnew_thread(machine, event->ip.tid); |
6ddf259d | 483 | |
5f9c39dc | 484 | if (thread == NULL) { |
6beba7ad ACM |
485 | pr_debug("problem processing %d event, skipping it.\n", |
486 | event->header.type); | |
5f9c39dc FW |
487 | return -1; |
488 | } | |
489 | ||
1424dc96 DA |
490 | if (debug_mode) { |
491 | if (sample->time < last_timestamp) { | |
492 | pr_err("Samples misordered, previous: %" PRIu64 | |
493 | " this: %" PRIu64 "\n", last_timestamp, | |
494 | sample->time); | |
495 | nr_unordered++; | |
e1889d75 | 496 | } |
1424dc96 DA |
497 | last_timestamp = sample->time; |
498 | return 0; | |
5f9c39dc | 499 | } |
5d67be97 | 500 | |
e7984b7b DA |
501 | if (perf_event__preprocess_sample(event, machine, &al, sample, 0) < 0) { |
502 | pr_err("problem processing %d event, skipping it.\n", | |
503 | event->header.type); | |
504 | return -1; | |
505 | } | |
506 | ||
507 | if (al.filtered) | |
508 | return 0; | |
509 | ||
5d67be97 AB |
510 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
511 | return 0; | |
512 | ||
73994dc1 | 513 | scripting_ops->process_event(event, sample, evsel, machine, &al); |
5f9c39dc | 514 | |
743eb868 | 515 | evsel->hists.stats.total_period += sample->period; |
5f9c39dc FW |
516 | return 0; |
517 | } | |
518 | ||
97822433 ACM |
519 | static struct perf_tool perf_script = { |
520 | .sample = process_sample_event, | |
521 | .mmap = perf_event__process_mmap, | |
522 | .comm = perf_event__process_comm, | |
f62d3f0f ACM |
523 | .exit = perf_event__process_exit, |
524 | .fork = perf_event__process_fork, | |
97822433 ACM |
525 | .attr = perf_event__process_attr, |
526 | .event_type = perf_event__process_event_type, | |
527 | .tracing_data = perf_event__process_tracing_data, | |
528 | .build_id = perf_event__process_build_id, | |
529 | .ordered_samples = true, | |
530 | .ordering_requires_timestamps = true, | |
016e92fb FW |
531 | }; |
532 | ||
c239da3b TZ |
533 | extern volatile int session_done; |
534 | ||
1d037ca1 | 535 | static void sig_handler(int sig __maybe_unused) |
c239da3b TZ |
536 | { |
537 | session_done = 1; | |
538 | } | |
539 | ||
133dc4c3 | 540 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 541 | { |
6fcf7ddb FW |
542 | int ret; |
543 | ||
c239da3b TZ |
544 | signal(SIGINT, sig_handler); |
545 | ||
97822433 | 546 | ret = perf_session__process_events(session, &perf_script); |
6fcf7ddb | 547 | |
6d8afb56 | 548 | if (debug_mode) |
9486aa38 | 549 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
550 | |
551 | return ret; | |
5f9c39dc FW |
552 | } |
553 | ||
956ffd02 TZ |
554 | struct script_spec { |
555 | struct list_head node; | |
556 | struct scripting_ops *ops; | |
557 | char spec[0]; | |
558 | }; | |
559 | ||
eccdfe2d | 560 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
561 | |
562 | static struct script_spec *script_spec__new(const char *spec, | |
563 | struct scripting_ops *ops) | |
564 | { | |
565 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
566 | ||
567 | if (s != NULL) { | |
568 | strcpy(s->spec, spec); | |
569 | s->ops = ops; | |
570 | } | |
571 | ||
572 | return s; | |
573 | } | |
574 | ||
956ffd02 TZ |
575 | static void script_spec__add(struct script_spec *s) |
576 | { | |
577 | list_add_tail(&s->node, &script_specs); | |
578 | } | |
579 | ||
580 | static struct script_spec *script_spec__find(const char *spec) | |
581 | { | |
582 | struct script_spec *s; | |
583 | ||
584 | list_for_each_entry(s, &script_specs, node) | |
585 | if (strcasecmp(s->spec, spec) == 0) | |
586 | return s; | |
587 | return NULL; | |
588 | } | |
589 | ||
590 | static struct script_spec *script_spec__findnew(const char *spec, | |
591 | struct scripting_ops *ops) | |
592 | { | |
593 | struct script_spec *s = script_spec__find(spec); | |
594 | ||
595 | if (s) | |
596 | return s; | |
597 | ||
598 | s = script_spec__new(spec, ops); | |
599 | if (!s) | |
466e2876 | 600 | return NULL; |
956ffd02 TZ |
601 | |
602 | script_spec__add(s); | |
603 | ||
604 | return s; | |
956ffd02 TZ |
605 | } |
606 | ||
607 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
608 | { | |
609 | struct script_spec *s; | |
610 | ||
611 | s = script_spec__find(spec); | |
612 | if (s) | |
613 | return -1; | |
614 | ||
615 | s = script_spec__findnew(spec, ops); | |
616 | if (!s) | |
617 | return -1; | |
618 | ||
619 | return 0; | |
620 | } | |
621 | ||
622 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
623 | { | |
624 | struct script_spec *s = script_spec__find(spec); | |
625 | if (!s) | |
626 | return NULL; | |
627 | ||
628 | return s->ops; | |
629 | } | |
630 | ||
631 | static void list_available_languages(void) | |
632 | { | |
633 | struct script_spec *s; | |
634 | ||
635 | fprintf(stderr, "\n"); | |
636 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 637 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
638 | |
639 | list_for_each_entry(s, &script_specs, node) | |
640 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
641 | ||
642 | fprintf(stderr, "\n"); | |
643 | } | |
644 | ||
1d037ca1 IT |
645 | static int parse_scriptname(const struct option *opt __maybe_unused, |
646 | const char *str, int unset __maybe_unused) | |
956ffd02 TZ |
647 | { |
648 | char spec[PATH_MAX]; | |
649 | const char *script, *ext; | |
650 | int len; | |
651 | ||
f526d68b | 652 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 653 | list_available_languages(); |
f526d68b | 654 | exit(0); |
956ffd02 TZ |
655 | } |
656 | ||
657 | script = strchr(str, ':'); | |
658 | if (script) { | |
659 | len = script - str; | |
660 | if (len >= PATH_MAX) { | |
661 | fprintf(stderr, "invalid language specifier"); | |
662 | return -1; | |
663 | } | |
664 | strncpy(spec, str, len); | |
665 | spec[len] = '\0'; | |
666 | scripting_ops = script_spec__lookup(spec); | |
667 | if (!scripting_ops) { | |
668 | fprintf(stderr, "invalid language specifier"); | |
669 | return -1; | |
670 | } | |
671 | script++; | |
672 | } else { | |
673 | script = str; | |
d1e95bb5 | 674 | ext = strrchr(script, '.'); |
956ffd02 TZ |
675 | if (!ext) { |
676 | fprintf(stderr, "invalid script extension"); | |
677 | return -1; | |
678 | } | |
679 | scripting_ops = script_spec__lookup(++ext); | |
680 | if (!scripting_ops) { | |
681 | fprintf(stderr, "invalid script extension"); | |
682 | return -1; | |
683 | } | |
684 | } | |
685 | ||
686 | script_name = strdup(script); | |
687 | ||
688 | return 0; | |
689 | } | |
690 | ||
1d037ca1 IT |
691 | static int parse_output_fields(const struct option *opt __maybe_unused, |
692 | const char *arg, int unset __maybe_unused) | |
745f43e3 DA |
693 | { |
694 | char *tok; | |
50ca19ae | 695 | int i, imax = ARRAY_SIZE(all_output_options); |
2c9e45f7 | 696 | int j; |
745f43e3 DA |
697 | int rc = 0; |
698 | char *str = strdup(arg); | |
1424dc96 | 699 | int type = -1; |
745f43e3 DA |
700 | |
701 | if (!str) | |
702 | return -ENOMEM; | |
703 | ||
2c9e45f7 DA |
704 | /* first word can state for which event type the user is specifying |
705 | * the fields. If no type exists, the specified fields apply to all | |
706 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 707 | */ |
2c9e45f7 DA |
708 | tok = strchr(str, ':'); |
709 | if (tok) { | |
710 | *tok = '\0'; | |
711 | tok++; | |
712 | if (!strcmp(str, "hw")) | |
713 | type = PERF_TYPE_HARDWARE; | |
714 | else if (!strcmp(str, "sw")) | |
715 | type = PERF_TYPE_SOFTWARE; | |
716 | else if (!strcmp(str, "trace")) | |
717 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
718 | else if (!strcmp(str, "raw")) |
719 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
720 | else { |
721 | fprintf(stderr, "Invalid event type in field string.\n"); | |
38efb539 RR |
722 | rc = -EINVAL; |
723 | goto out; | |
2c9e45f7 DA |
724 | } |
725 | ||
726 | if (output[type].user_set) | |
727 | pr_warning("Overriding previous field request for %s events.\n", | |
728 | event_type(type)); | |
729 | ||
730 | output[type].fields = 0; | |
731 | output[type].user_set = true; | |
9cbdb702 | 732 | output[type].wildcard_set = false; |
2c9e45f7 DA |
733 | |
734 | } else { | |
735 | tok = str; | |
736 | if (strlen(str) == 0) { | |
737 | fprintf(stderr, | |
738 | "Cannot set fields to 'none' for all event types.\n"); | |
739 | rc = -EINVAL; | |
740 | goto out; | |
741 | } | |
742 | ||
743 | if (output_set_by_user()) | |
744 | pr_warning("Overriding previous field request for all events.\n"); | |
745 | ||
746 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
747 | output[j].fields = 0; | |
748 | output[j].user_set = true; | |
9cbdb702 | 749 | output[j].wildcard_set = true; |
2c9e45f7 | 750 | } |
745f43e3 DA |
751 | } |
752 | ||
2c9e45f7 DA |
753 | tok = strtok(tok, ","); |
754 | while (tok) { | |
745f43e3 | 755 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 756 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 757 | break; |
745f43e3 DA |
758 | } |
759 | if (i == imax) { | |
2c9e45f7 | 760 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 761 | rc = -EINVAL; |
2c9e45f7 | 762 | goto out; |
745f43e3 DA |
763 | } |
764 | ||
2c9e45f7 DA |
765 | if (type == -1) { |
766 | /* add user option to all events types for | |
767 | * which it is valid | |
768 | */ | |
769 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
770 | if (output[j].invalid_fields & all_output_options[i].field) { | |
771 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
772 | all_output_options[i].str, event_type(j)); | |
773 | } else | |
774 | output[j].fields |= all_output_options[i].field; | |
775 | } | |
776 | } else { | |
777 | if (output[type].invalid_fields & all_output_options[i].field) { | |
778 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
779 | all_output_options[i].str, event_type(type)); | |
780 | ||
781 | rc = -EINVAL; | |
782 | goto out; | |
783 | } | |
784 | output[type].fields |= all_output_options[i].field; | |
785 | } | |
786 | ||
787 | tok = strtok(NULL, ","); | |
745f43e3 DA |
788 | } |
789 | ||
2c9e45f7 DA |
790 | if (type >= 0) { |
791 | if (output[type].fields == 0) { | |
792 | pr_debug("No fields requested for %s type. " | |
793 | "Events will not be displayed.\n", event_type(type)); | |
794 | } | |
795 | } | |
745f43e3 | 796 | |
2c9e45f7 | 797 | out: |
745f43e3 DA |
798 | free(str); |
799 | return rc; | |
800 | } | |
801 | ||
008f29d3 SB |
802 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
803 | static int is_directory(const char *base_path, const struct dirent *dent) | |
804 | { | |
805 | char path[PATH_MAX]; | |
806 | struct stat st; | |
807 | ||
808 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
809 | if (stat(path, &st)) | |
810 | return 0; | |
811 | ||
812 | return S_ISDIR(st.st_mode); | |
813 | } | |
814 | ||
815 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
816 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
817 | lang_next) \ | |
008f29d3 SB |
818 | if ((lang_dirent.d_type == DT_DIR || \ |
819 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
820 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
821 | (strcmp(lang_dirent.d_name, ".")) && \ |
822 | (strcmp(lang_dirent.d_name, ".."))) | |
823 | ||
008f29d3 | 824 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
825 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
826 | script_next) \ | |
008f29d3 SB |
827 | if (script_dirent.d_type != DT_DIR && \ |
828 | (script_dirent.d_type != DT_UNKNOWN || \ | |
829 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
830 | |
831 | ||
832 | #define RECORD_SUFFIX "-record" | |
833 | #define REPORT_SUFFIX "-report" | |
834 | ||
835 | struct script_desc { | |
836 | struct list_head node; | |
837 | char *name; | |
838 | char *half_liner; | |
839 | char *args; | |
840 | }; | |
841 | ||
eccdfe2d | 842 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
843 | |
844 | static struct script_desc *script_desc__new(const char *name) | |
845 | { | |
846 | struct script_desc *s = zalloc(sizeof(*s)); | |
847 | ||
b5b87312 | 848 | if (s != NULL && name) |
4b9c0c59 TZ |
849 | s->name = strdup(name); |
850 | ||
851 | return s; | |
852 | } | |
853 | ||
854 | static void script_desc__delete(struct script_desc *s) | |
855 | { | |
856 | free(s->name); | |
e8719adf TZ |
857 | free(s->half_liner); |
858 | free(s->args); | |
4b9c0c59 TZ |
859 | free(s); |
860 | } | |
861 | ||
862 | static void script_desc__add(struct script_desc *s) | |
863 | { | |
864 | list_add_tail(&s->node, &script_descs); | |
865 | } | |
866 | ||
867 | static struct script_desc *script_desc__find(const char *name) | |
868 | { | |
869 | struct script_desc *s; | |
870 | ||
871 | list_for_each_entry(s, &script_descs, node) | |
872 | if (strcasecmp(s->name, name) == 0) | |
873 | return s; | |
874 | return NULL; | |
875 | } | |
876 | ||
877 | static struct script_desc *script_desc__findnew(const char *name) | |
878 | { | |
879 | struct script_desc *s = script_desc__find(name); | |
880 | ||
881 | if (s) | |
882 | return s; | |
883 | ||
884 | s = script_desc__new(name); | |
885 | if (!s) | |
886 | goto out_delete_desc; | |
887 | ||
888 | script_desc__add(s); | |
889 | ||
890 | return s; | |
891 | ||
892 | out_delete_desc: | |
893 | script_desc__delete(s); | |
894 | ||
895 | return NULL; | |
896 | } | |
897 | ||
965bb6be | 898 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
899 | { |
900 | size_t suffix_len = strlen(suffix); | |
965bb6be | 901 | const char *p = str; |
4b9c0c59 TZ |
902 | |
903 | if (strlen(str) > suffix_len) { | |
904 | p = str + strlen(str) - suffix_len; | |
905 | if (!strncmp(p, suffix, suffix_len)) | |
906 | return p; | |
907 | } | |
908 | ||
909 | return NULL; | |
910 | } | |
911 | ||
4b9c0c59 TZ |
912 | static int read_script_info(struct script_desc *desc, const char *filename) |
913 | { | |
914 | char line[BUFSIZ], *p; | |
915 | FILE *fp; | |
916 | ||
917 | fp = fopen(filename, "r"); | |
918 | if (!fp) | |
919 | return -1; | |
920 | ||
921 | while (fgets(line, sizeof(line), fp)) { | |
922 | p = ltrim(line); | |
923 | if (strlen(p) == 0) | |
924 | continue; | |
925 | if (*p != '#') | |
926 | continue; | |
927 | p++; | |
928 | if (strlen(p) && *p == '!') | |
929 | continue; | |
930 | ||
931 | p = ltrim(p); | |
932 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
933 | p[strlen(p) - 1] = '\0'; | |
934 | ||
935 | if (!strncmp(p, "description:", strlen("description:"))) { | |
936 | p += strlen("description:"); | |
937 | desc->half_liner = strdup(ltrim(p)); | |
938 | continue; | |
939 | } | |
940 | ||
941 | if (!strncmp(p, "args:", strlen("args:"))) { | |
942 | p += strlen("args:"); | |
943 | desc->args = strdup(ltrim(p)); | |
944 | continue; | |
945 | } | |
946 | } | |
947 | ||
948 | fclose(fp); | |
949 | ||
950 | return 0; | |
951 | } | |
952 | ||
38efb539 RR |
953 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
954 | { | |
955 | char *script_root, *str; | |
956 | ||
957 | script_root = strdup(script_dirent->d_name); | |
958 | if (!script_root) | |
959 | return NULL; | |
960 | ||
961 | str = (char *)ends_with(script_root, suffix); | |
962 | if (!str) { | |
963 | free(script_root); | |
964 | return NULL; | |
965 | } | |
966 | ||
967 | *str = '\0'; | |
968 | return script_root; | |
969 | } | |
970 | ||
1d037ca1 IT |
971 | static int list_available_scripts(const struct option *opt __maybe_unused, |
972 | const char *s __maybe_unused, | |
973 | int unset __maybe_unused) | |
4b9c0c59 TZ |
974 | { |
975 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
976 | char scripts_path[MAXPATHLEN]; | |
977 | DIR *scripts_dir, *lang_dir; | |
978 | char script_path[MAXPATHLEN]; | |
979 | char lang_path[MAXPATHLEN]; | |
980 | struct script_desc *desc; | |
981 | char first_half[BUFSIZ]; | |
982 | char *script_root; | |
4b9c0c59 TZ |
983 | |
984 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
985 | ||
986 | scripts_dir = opendir(scripts_path); | |
987 | if (!scripts_dir) | |
988 | return -1; | |
989 | ||
008f29d3 | 990 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
991 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
992 | lang_dirent.d_name); | |
993 | lang_dir = opendir(lang_path); | |
994 | if (!lang_dir) | |
995 | continue; | |
996 | ||
008f29d3 | 997 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
998 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
999 | if (script_root) { | |
4b9c0c59 TZ |
1000 | desc = script_desc__findnew(script_root); |
1001 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1002 | lang_path, script_dirent.d_name); | |
1003 | read_script_info(desc, script_path); | |
38efb539 | 1004 | free(script_root); |
4b9c0c59 | 1005 | } |
4b9c0c59 TZ |
1006 | } |
1007 | } | |
1008 | ||
1009 | fprintf(stdout, "List of available trace scripts:\n"); | |
1010 | list_for_each_entry(desc, &script_descs, node) { | |
1011 | sprintf(first_half, "%s %s", desc->name, | |
1012 | desc->args ? desc->args : ""); | |
1013 | fprintf(stdout, " %-36s %s\n", first_half, | |
1014 | desc->half_liner ? desc->half_liner : ""); | |
1015 | } | |
1016 | ||
1017 | exit(0); | |
1018 | } | |
1019 | ||
49e639e2 FT |
1020 | /* |
1021 | * Some scripts specify the required events in their "xxx-record" file, | |
1022 | * this function will check if the events in perf.data match those | |
1023 | * mentioned in the "xxx-record". | |
1024 | * | |
1025 | * Fixme: All existing "xxx-record" are all in good formats "-e event ", | |
1026 | * which is covered well now. And new parsing code should be added to | |
1027 | * cover the future complexing formats like event groups etc. | |
1028 | */ | |
1029 | static int check_ev_match(char *dir_name, char *scriptname, | |
1030 | struct perf_session *session) | |
1031 | { | |
1032 | char filename[MAXPATHLEN], evname[128]; | |
1033 | char line[BUFSIZ], *p; | |
1034 | struct perf_evsel *pos; | |
1035 | int match, len; | |
1036 | FILE *fp; | |
1037 | ||
1038 | sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); | |
1039 | ||
1040 | fp = fopen(filename, "r"); | |
1041 | if (!fp) | |
1042 | return -1; | |
1043 | ||
1044 | while (fgets(line, sizeof(line), fp)) { | |
1045 | p = ltrim(line); | |
1046 | if (*p == '#') | |
1047 | continue; | |
1048 | ||
1049 | while (strlen(p)) { | |
1050 | p = strstr(p, "-e"); | |
1051 | if (!p) | |
1052 | break; | |
1053 | ||
1054 | p += 2; | |
1055 | p = ltrim(p); | |
1056 | len = strcspn(p, " \t"); | |
1057 | if (!len) | |
1058 | break; | |
1059 | ||
1060 | snprintf(evname, len + 1, "%s", p); | |
1061 | ||
1062 | match = 0; | |
1063 | list_for_each_entry(pos, | |
1064 | &session->evlist->entries, node) { | |
1065 | if (!strcmp(perf_evsel__name(pos), evname)) { | |
1066 | match = 1; | |
1067 | break; | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | if (!match) { | |
1072 | fclose(fp); | |
1073 | return -1; | |
1074 | } | |
1075 | } | |
1076 | } | |
1077 | ||
1078 | fclose(fp); | |
1079 | return 0; | |
1080 | } | |
1081 | ||
e5f3705e FT |
1082 | /* |
1083 | * Return -1 if none is found, otherwise the actual scripts number. | |
1084 | * | |
1085 | * Currently the only user of this function is the script browser, which | |
1086 | * will list all statically runnable scripts, select one, execute it and | |
1087 | * show the output in a perf browser. | |
1088 | */ | |
1089 | int find_scripts(char **scripts_array, char **scripts_path_array) | |
1090 | { | |
1091 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
49e639e2 | 1092 | char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; |
e5f3705e | 1093 | DIR *scripts_dir, *lang_dir; |
49e639e2 | 1094 | struct perf_session *session; |
e5f3705e FT |
1095 | char *temp; |
1096 | int i = 0; | |
1097 | ||
49e639e2 FT |
1098 | session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); |
1099 | if (!session) | |
1100 | return -1; | |
1101 | ||
e5f3705e FT |
1102 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); |
1103 | ||
1104 | scripts_dir = opendir(scripts_path); | |
49e639e2 FT |
1105 | if (!scripts_dir) { |
1106 | perf_session__delete(session); | |
e5f3705e | 1107 | return -1; |
49e639e2 | 1108 | } |
e5f3705e FT |
1109 | |
1110 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { | |
1111 | snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, | |
1112 | lang_dirent.d_name); | |
1113 | #ifdef NO_LIBPERL | |
1114 | if (strstr(lang_path, "perl")) | |
1115 | continue; | |
1116 | #endif | |
1117 | #ifdef NO_LIBPYTHON | |
1118 | if (strstr(lang_path, "python")) | |
1119 | continue; | |
1120 | #endif | |
1121 | ||
1122 | lang_dir = opendir(lang_path); | |
1123 | if (!lang_dir) | |
1124 | continue; | |
1125 | ||
1126 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { | |
1127 | /* Skip those real time scripts: xxxtop.p[yl] */ | |
1128 | if (strstr(script_dirent.d_name, "top.")) | |
1129 | continue; | |
1130 | sprintf(scripts_path_array[i], "%s/%s", lang_path, | |
1131 | script_dirent.d_name); | |
1132 | temp = strchr(script_dirent.d_name, '.'); | |
1133 | snprintf(scripts_array[i], | |
1134 | (temp - script_dirent.d_name) + 1, | |
1135 | "%s", script_dirent.d_name); | |
49e639e2 FT |
1136 | |
1137 | if (check_ev_match(lang_path, | |
1138 | scripts_array[i], session)) | |
1139 | continue; | |
1140 | ||
e5f3705e FT |
1141 | i++; |
1142 | } | |
49e639e2 | 1143 | closedir(lang_dir); |
e5f3705e FT |
1144 | } |
1145 | ||
49e639e2 FT |
1146 | closedir(scripts_dir); |
1147 | perf_session__delete(session); | |
e5f3705e FT |
1148 | return i; |
1149 | } | |
1150 | ||
3875294f TZ |
1151 | static char *get_script_path(const char *script_root, const char *suffix) |
1152 | { | |
1153 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1154 | char scripts_path[MAXPATHLEN]; | |
1155 | char script_path[MAXPATHLEN]; | |
1156 | DIR *scripts_dir, *lang_dir; | |
1157 | char lang_path[MAXPATHLEN]; | |
38efb539 | 1158 | char *__script_root; |
3875294f TZ |
1159 | |
1160 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1161 | ||
1162 | scripts_dir = opendir(scripts_path); | |
1163 | if (!scripts_dir) | |
1164 | return NULL; | |
1165 | ||
008f29d3 | 1166 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
1167 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1168 | lang_dirent.d_name); | |
1169 | lang_dir = opendir(lang_path); | |
1170 | if (!lang_dir) | |
1171 | continue; | |
1172 | ||
008f29d3 | 1173 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1174 | __script_root = get_script_root(&script_dirent, suffix); |
1175 | if (__script_root && !strcmp(script_root, __script_root)) { | |
1176 | free(__script_root); | |
946ef2a2 NK |
1177 | closedir(lang_dir); |
1178 | closedir(scripts_dir); | |
3875294f TZ |
1179 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
1180 | lang_path, script_dirent.d_name); | |
38efb539 | 1181 | return strdup(script_path); |
3875294f TZ |
1182 | } |
1183 | free(__script_root); | |
1184 | } | |
946ef2a2 | 1185 | closedir(lang_dir); |
3875294f | 1186 | } |
946ef2a2 | 1187 | closedir(scripts_dir); |
3875294f | 1188 | |
38efb539 | 1189 | return NULL; |
3875294f TZ |
1190 | } |
1191 | ||
b5b87312 TZ |
1192 | static bool is_top_script(const char *script_path) |
1193 | { | |
965bb6be | 1194 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1195 | } |
1196 | ||
1197 | static int has_required_arg(char *script_path) | |
1198 | { | |
1199 | struct script_desc *desc; | |
1200 | int n_args = 0; | |
1201 | char *p; | |
1202 | ||
1203 | desc = script_desc__new(NULL); | |
1204 | ||
1205 | if (read_script_info(desc, script_path)) | |
1206 | goto out; | |
1207 | ||
1208 | if (!desc->args) | |
1209 | goto out; | |
1210 | ||
1211 | for (p = desc->args; *p; p++) | |
1212 | if (*p == '<') | |
1213 | n_args++; | |
1214 | out: | |
1215 | script_desc__delete(desc); | |
1216 | ||
1217 | return n_args; | |
1218 | } | |
1219 | ||
69b6470e ACM |
1220 | static int have_cmd(int argc, const char **argv) |
1221 | { | |
1222 | char **__argv = malloc(sizeof(const char *) * argc); | |
1223 | ||
1224 | if (!__argv) { | |
1225 | pr_err("malloc failed\n"); | |
1226 | return -1; | |
1227 | } | |
1228 | ||
1229 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1230 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1231 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1232 | free(__argv); | |
5f9c39dc | 1233 | |
69b6470e ACM |
1234 | system_wide = (argc == 0); |
1235 | ||
1236 | return 0; | |
1237 | } | |
1238 | ||
1239 | int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) | |
1240 | { | |
1241 | bool show_full_info = false; | |
69b6470e ACM |
1242 | char *rec_script_path = NULL; |
1243 | char *rep_script_path = NULL; | |
1244 | struct perf_session *session; | |
1245 | char *script_path = NULL; | |
1246 | const char **__argv; | |
1247 | int i, j, err; | |
1248 | const struct option options[] = { | |
5f9c39dc FW |
1249 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1250 | "dump raw trace in ASCII"), | |
c0555642 | 1251 | OPT_INCR('v', "verbose", &verbose, |
69b6470e | 1252 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1253 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1254 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1255 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1256 | list_available_scripts), | |
956ffd02 TZ |
1257 | OPT_CALLBACK('s', "script", NULL, "name", |
1258 | "script file name (lang:script name, script name, or *)", | |
1259 | parse_scriptname), | |
1260 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1261 | "generate perf-script.xx script in specified language"), |
69b6470e | 1262 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
ffabd99e FW |
1263 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1264 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1265 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1266 | "file", "vmlinux pathname"), | |
1267 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1268 | "file", "kallsyms pathname"), | |
1269 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1270 | "When printing symbols do not display call chain"), | |
1271 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1272 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1273 | OPT_CALLBACK('f', "fields", NULL, "str", |
a978f2ab AN |
1274 | "comma separated output fields prepend with 'type:'. " |
1275 | "Valid types: hw,sw,trace,raw. " | |
1276 | "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," | |
69b6470e | 1277 | "addr,symoff", parse_output_fields), |
317df650 | 1278 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
69b6470e | 1279 | "system-wide collection from all CPUs"), |
36385be5 FT |
1280 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
1281 | "only consider these symbols"), | |
c8e66720 | 1282 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
e7984b7b DA |
1283 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
1284 | "only display events for these comms"), | |
fbe96f29 SE |
1285 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1286 | "display extended information from perf.data file"), | |
0bc8d205 AN |
1287 | OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, |
1288 | "Show the path of [kernel.kallsyms]"), | |
1909629f | 1289 | OPT_END() |
69b6470e ACM |
1290 | }; |
1291 | const char * const script_usage[] = { | |
1292 | "perf script [<options>]", | |
1293 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1294 | "perf script [<options>] report <script> [script-args]", | |
1295 | "perf script [<options>] <script> [<record-options>] <command>", | |
1296 | "perf script [<options>] <top-script> [script-args]", | |
1297 | NULL | |
1298 | }; | |
3875294f | 1299 | |
b5b87312 TZ |
1300 | setup_scripting(); |
1301 | ||
133dc4c3 | 1302 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1303 | PARSE_OPT_STOP_AT_NON_OPTION); |
1304 | ||
1305 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
1306 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1307 | if (!rec_script_path) | |
1308 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1309 | } |
1310 | ||
b5b87312 TZ |
1311 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1312 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1313 | if (!rep_script_path) { | |
3875294f | 1314 | fprintf(stderr, |
b5b87312 | 1315 | "Please specify a valid report script" |
133dc4c3 | 1316 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1317 | return -1; |
1318 | } | |
3875294f TZ |
1319 | } |
1320 | ||
44e668c6 BH |
1321 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1322 | perf_set_argv_exec_path(perf_exec_path()); | |
1323 | ||
b5b87312 | 1324 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1325 | int live_pipe[2]; |
b5b87312 | 1326 | int rep_args; |
a0cccc2e TZ |
1327 | pid_t pid; |
1328 | ||
b5b87312 TZ |
1329 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1330 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1331 | ||
1332 | if (!rec_script_path && !rep_script_path) { | |
1333 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1334 | " script -l for available scripts.\n", argv[0]); |
1335 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1336 | } |
1337 | ||
b5b87312 TZ |
1338 | if (is_top_script(argv[0])) { |
1339 | rep_args = argc - 1; | |
1340 | } else { | |
1341 | int rec_args; | |
1342 | ||
1343 | rep_args = has_required_arg(rep_script_path); | |
1344 | rec_args = (argc - 1) - rep_args; | |
1345 | if (rec_args < 0) { | |
1346 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1347 | "\n\n See perf script -l for available " |
b5b87312 | 1348 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1349 | usage_with_options(script_usage, options); |
b5b87312 | 1350 | } |
a0cccc2e TZ |
1351 | } |
1352 | ||
1353 | if (pipe(live_pipe) < 0) { | |
1354 | perror("failed to create pipe"); | |
d54b1a9e | 1355 | return -1; |
a0cccc2e TZ |
1356 | } |
1357 | ||
1358 | pid = fork(); | |
1359 | if (pid < 0) { | |
1360 | perror("failed to fork"); | |
d54b1a9e | 1361 | return -1; |
a0cccc2e TZ |
1362 | } |
1363 | ||
1364 | if (!pid) { | |
b5b87312 TZ |
1365 | j = 0; |
1366 | ||
a0cccc2e TZ |
1367 | dup2(live_pipe[1], 1); |
1368 | close(live_pipe[0]); | |
1369 | ||
317df650 RR |
1370 | if (is_top_script(argv[0])) { |
1371 | system_wide = true; | |
1372 | } else if (!system_wide) { | |
d54b1a9e DA |
1373 | if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { |
1374 | err = -1; | |
1375 | goto out; | |
1376 | } | |
317df650 | 1377 | } |
b5b87312 TZ |
1378 | |
1379 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
d54b1a9e DA |
1380 | if (!__argv) { |
1381 | pr_err("malloc failed\n"); | |
1382 | err = -ENOMEM; | |
1383 | goto out; | |
1384 | } | |
e8719adf | 1385 | |
b5b87312 TZ |
1386 | __argv[j++] = "/bin/sh"; |
1387 | __argv[j++] = rec_script_path; | |
1388 | if (system_wide) | |
1389 | __argv[j++] = "-a"; | |
1390 | __argv[j++] = "-q"; | |
1391 | __argv[j++] = "-o"; | |
1392 | __argv[j++] = "-"; | |
1393 | for (i = rep_args + 1; i < argc; i++) | |
1394 | __argv[j++] = argv[i]; | |
1395 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1396 | |
1397 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1398 | free(__argv); |
a0cccc2e TZ |
1399 | exit(-1); |
1400 | } | |
1401 | ||
1402 | dup2(live_pipe[0], 0); | |
1403 | close(live_pipe[1]); | |
1404 | ||
b5b87312 | 1405 | __argv = malloc((argc + 4) * sizeof(const char *)); |
d54b1a9e DA |
1406 | if (!__argv) { |
1407 | pr_err("malloc failed\n"); | |
1408 | err = -ENOMEM; | |
1409 | goto out; | |
1410 | } | |
1411 | ||
b5b87312 TZ |
1412 | j = 0; |
1413 | __argv[j++] = "/bin/sh"; | |
1414 | __argv[j++] = rep_script_path; | |
1415 | for (i = 1; i < rep_args + 1; i++) | |
1416 | __argv[j++] = argv[i]; | |
1417 | __argv[j++] = "-i"; | |
1418 | __argv[j++] = "-"; | |
1419 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1420 | |
1421 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1422 | free(__argv); |
a0cccc2e TZ |
1423 | exit(-1); |
1424 | } | |
1425 | ||
b5b87312 TZ |
1426 | if (rec_script_path) |
1427 | script_path = rec_script_path; | |
1428 | if (rep_script_path) | |
1429 | script_path = rep_script_path; | |
34c86ea9 | 1430 | |
b5b87312 | 1431 | if (script_path) { |
b5b87312 | 1432 | j = 0; |
3875294f | 1433 | |
317df650 RR |
1434 | if (!rec_script_path) |
1435 | system_wide = false; | |
d54b1a9e DA |
1436 | else if (!system_wide) { |
1437 | if (have_cmd(argc - 1, &argv[1]) != 0) { | |
1438 | err = -1; | |
1439 | goto out; | |
1440 | } | |
1441 | } | |
34c86ea9 | 1442 | |
b5b87312 | 1443 | __argv = malloc((argc + 2) * sizeof(const char *)); |
d54b1a9e DA |
1444 | if (!__argv) { |
1445 | pr_err("malloc failed\n"); | |
1446 | err = -ENOMEM; | |
1447 | goto out; | |
1448 | } | |
1449 | ||
34c86ea9 TZ |
1450 | __argv[j++] = "/bin/sh"; |
1451 | __argv[j++] = script_path; | |
1452 | if (system_wide) | |
1453 | __argv[j++] = "-a"; | |
b5b87312 | 1454 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1455 | __argv[j++] = argv[i]; |
1456 | __argv[j++] = NULL; | |
3875294f TZ |
1457 | |
1458 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1459 | free(__argv); |
3875294f TZ |
1460 | exit(-1); |
1461 | } | |
956ffd02 | 1462 | |
655000e7 ACM |
1463 | if (symbol__init() < 0) |
1464 | return -1; | |
cf4fee50 TZ |
1465 | if (!script_name) |
1466 | setup_pager(); | |
5f9c39dc | 1467 | |
da378962 | 1468 | session = perf_session__new(input_name, O_RDONLY, 0, false, |
97822433 | 1469 | &perf_script); |
d8f66248 ACM |
1470 | if (session == NULL) |
1471 | return -ENOMEM; | |
1472 | ||
5d67be97 AB |
1473 | if (cpu_list) { |
1474 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1475 | return -1; | |
1476 | } | |
1477 | ||
bdb71db2 TZ |
1478 | if (!script_name && !generate_script_lang) |
1479 | perf_session__fprintf_info(session, stdout, show_full_info); | |
fbe96f29 | 1480 | |
1424dc96 | 1481 | if (!no_callchain) |
c0230b2b DA |
1482 | symbol_conf.use_callchain = true; |
1483 | else | |
1484 | symbol_conf.use_callchain = false; | |
1485 | ||
956ffd02 TZ |
1486 | if (generate_script_lang) { |
1487 | struct stat perf_stat; | |
745f43e3 DA |
1488 | int input; |
1489 | ||
2c9e45f7 | 1490 | if (output_set_by_user()) { |
745f43e3 DA |
1491 | fprintf(stderr, |
1492 | "custom fields not supported for generated scripts"); | |
1493 | return -1; | |
1494 | } | |
956ffd02 | 1495 | |
efad1415 | 1496 | input = open(session->filename, O_RDONLY); /* input_name */ |
956ffd02 TZ |
1497 | if (input < 0) { |
1498 | perror("failed to open file"); | |
d54b1a9e | 1499 | return -1; |
956ffd02 TZ |
1500 | } |
1501 | ||
1502 | err = fstat(input, &perf_stat); | |
1503 | if (err < 0) { | |
1504 | perror("failed to stat file"); | |
d54b1a9e | 1505 | return -1; |
956ffd02 TZ |
1506 | } |
1507 | ||
1508 | if (!perf_stat.st_size) { | |
1509 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
d54b1a9e | 1510 | return 0; |
956ffd02 TZ |
1511 | } |
1512 | ||
1513 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1514 | if (!scripting_ops) { | |
1515 | fprintf(stderr, "invalid language specifier"); | |
1516 | return -1; | |
1517 | } | |
1518 | ||
da378962 ACM |
1519 | err = scripting_ops->generate_script(session->pevent, |
1520 | "perf-script"); | |
956ffd02 TZ |
1521 | goto out; |
1522 | } | |
1523 | ||
1524 | if (script_name) { | |
586bc5cc | 1525 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1526 | if (err) |
1527 | goto out; | |
133dc4c3 | 1528 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1529 | } |
1530 | ||
9cbdb702 DA |
1531 | |
1532 | err = perf_session__check_output_opt(session); | |
1533 | if (err < 0) | |
1534 | goto out; | |
1535 | ||
133dc4c3 | 1536 | err = __cmd_script(session); |
956ffd02 | 1537 | |
d8f66248 | 1538 | perf_session__delete(session); |
956ffd02 TZ |
1539 | cleanup_scripting(); |
1540 | out: | |
1541 | return err; | |
5f9c39dc | 1542 | } |