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Commit | Line | Data |
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10274989 AV |
1 | /* |
2 | * builtin-timechart.c - make an svg timechart of system activity | |
3 | * | |
4 | * (C) Copyright 2009 Intel Corporation | |
5 | * | |
6 | * Authors: | |
7 | * Arjan van de Ven <arjan@linux.intel.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; version 2 | |
12 | * of the License. | |
13 | */ | |
14 | ||
c85cffa5 JO |
15 | #include <traceevent/event-parse.h> |
16 | ||
10274989 AV |
17 | #include "builtin.h" |
18 | ||
19 | #include "util/util.h" | |
20 | ||
21 | #include "util/color.h" | |
22 | #include <linux/list.h> | |
23 | #include "util/cache.h" | |
5936678e | 24 | #include "util/evlist.h" |
e3f42609 | 25 | #include "util/evsel.h" |
10274989 AV |
26 | #include <linux/rbtree.h> |
27 | #include "util/symbol.h" | |
10274989 AV |
28 | #include "util/callchain.h" |
29 | #include "util/strlist.h" | |
30 | ||
31 | #include "perf.h" | |
32 | #include "util/header.h" | |
33 | #include "util/parse-options.h" | |
34 | #include "util/parse-events.h" | |
5cbd0805 | 35 | #include "util/event.h" |
301a0b02 | 36 | #include "util/session.h" |
10274989 | 37 | #include "util/svghelper.h" |
45694aa7 | 38 | #include "util/tool.h" |
f5fc1412 | 39 | #include "util/data.h" |
10274989 | 40 | |
20c457b8 TR |
41 | #define SUPPORT_OLD_POWER_EVENTS 1 |
42 | #define PWR_EVENT_EXIT -1 | |
43 | ||
54874e32 | 44 | static int proc_num = 15; |
20c457b8 | 45 | |
10274989 AV |
46 | static unsigned int numcpus; |
47 | static u64 min_freq; /* Lowest CPU frequency seen */ | |
48 | static u64 max_freq; /* Highest CPU frequency seen */ | |
49 | static u64 turbo_frequency; | |
50 | ||
51 | static u64 first_time, last_time; | |
52 | ||
c0555642 | 53 | static bool power_only; |
c87097d3 | 54 | static bool tasks_only; |
6f8d67fa | 55 | static bool with_backtrace; |
39a90a8e | 56 | |
10274989 | 57 | |
10274989 AV |
58 | struct per_pid; |
59 | struct per_pidcomm; | |
60 | ||
61 | struct cpu_sample; | |
62 | struct power_event; | |
63 | struct wake_event; | |
64 | ||
65 | struct sample_wrapper; | |
66 | ||
67 | /* | |
68 | * Datastructure layout: | |
69 | * We keep an list of "pid"s, matching the kernels notion of a task struct. | |
70 | * Each "pid" entry, has a list of "comm"s. | |
71 | * this is because we want to track different programs different, while | |
72 | * exec will reuse the original pid (by design). | |
73 | * Each comm has a list of samples that will be used to draw | |
74 | * final graph. | |
75 | */ | |
76 | ||
77 | struct per_pid { | |
78 | struct per_pid *next; | |
79 | ||
80 | int pid; | |
81 | int ppid; | |
82 | ||
83 | u64 start_time; | |
84 | u64 end_time; | |
85 | u64 total_time; | |
86 | int display; | |
87 | ||
88 | struct per_pidcomm *all; | |
89 | struct per_pidcomm *current; | |
10274989 AV |
90 | }; |
91 | ||
92 | ||
93 | struct per_pidcomm { | |
94 | struct per_pidcomm *next; | |
95 | ||
96 | u64 start_time; | |
97 | u64 end_time; | |
98 | u64 total_time; | |
99 | ||
100 | int Y; | |
101 | int display; | |
102 | ||
103 | long state; | |
104 | u64 state_since; | |
105 | ||
106 | char *comm; | |
107 | ||
108 | struct cpu_sample *samples; | |
109 | }; | |
110 | ||
111 | struct sample_wrapper { | |
112 | struct sample_wrapper *next; | |
113 | ||
114 | u64 timestamp; | |
115 | unsigned char data[0]; | |
116 | }; | |
117 | ||
118 | #define TYPE_NONE 0 | |
119 | #define TYPE_RUNNING 1 | |
120 | #define TYPE_WAITING 2 | |
121 | #define TYPE_BLOCKED 3 | |
122 | ||
123 | struct cpu_sample { | |
124 | struct cpu_sample *next; | |
125 | ||
126 | u64 start_time; | |
127 | u64 end_time; | |
128 | int type; | |
129 | int cpu; | |
6f8d67fa | 130 | const char *backtrace; |
10274989 AV |
131 | }; |
132 | ||
133 | static struct per_pid *all_data; | |
134 | ||
135 | #define CSTATE 1 | |
136 | #define PSTATE 2 | |
137 | ||
138 | struct power_event { | |
139 | struct power_event *next; | |
140 | int type; | |
141 | int state; | |
142 | u64 start_time; | |
143 | u64 end_time; | |
144 | int cpu; | |
145 | }; | |
146 | ||
147 | struct wake_event { | |
148 | struct wake_event *next; | |
149 | int waker; | |
150 | int wakee; | |
151 | u64 time; | |
6f8d67fa | 152 | const char *backtrace; |
10274989 AV |
153 | }; |
154 | ||
155 | static struct power_event *power_events; | |
156 | static struct wake_event *wake_events; | |
157 | ||
bbe2987b AV |
158 | struct process_filter; |
159 | struct process_filter { | |
5cbd0805 LZ |
160 | char *name; |
161 | int pid; | |
162 | struct process_filter *next; | |
bbe2987b AV |
163 | }; |
164 | ||
165 | static struct process_filter *process_filter; | |
166 | ||
167 | ||
10274989 AV |
168 | static struct per_pid *find_create_pid(int pid) |
169 | { | |
170 | struct per_pid *cursor = all_data; | |
171 | ||
172 | while (cursor) { | |
173 | if (cursor->pid == pid) | |
174 | return cursor; | |
175 | cursor = cursor->next; | |
176 | } | |
e0dcd6fb | 177 | cursor = zalloc(sizeof(*cursor)); |
10274989 | 178 | assert(cursor != NULL); |
10274989 AV |
179 | cursor->pid = pid; |
180 | cursor->next = all_data; | |
181 | all_data = cursor; | |
182 | return cursor; | |
183 | } | |
184 | ||
185 | static void pid_set_comm(int pid, char *comm) | |
186 | { | |
187 | struct per_pid *p; | |
188 | struct per_pidcomm *c; | |
189 | p = find_create_pid(pid); | |
190 | c = p->all; | |
191 | while (c) { | |
192 | if (c->comm && strcmp(c->comm, comm) == 0) { | |
193 | p->current = c; | |
194 | return; | |
195 | } | |
196 | if (!c->comm) { | |
197 | c->comm = strdup(comm); | |
198 | p->current = c; | |
199 | return; | |
200 | } | |
201 | c = c->next; | |
202 | } | |
e0dcd6fb | 203 | c = zalloc(sizeof(*c)); |
10274989 | 204 | assert(c != NULL); |
10274989 AV |
205 | c->comm = strdup(comm); |
206 | p->current = c; | |
207 | c->next = p->all; | |
208 | p->all = c; | |
209 | } | |
210 | ||
211 | static void pid_fork(int pid, int ppid, u64 timestamp) | |
212 | { | |
213 | struct per_pid *p, *pp; | |
214 | p = find_create_pid(pid); | |
215 | pp = find_create_pid(ppid); | |
216 | p->ppid = ppid; | |
217 | if (pp->current && pp->current->comm && !p->current) | |
218 | pid_set_comm(pid, pp->current->comm); | |
219 | ||
220 | p->start_time = timestamp; | |
221 | if (p->current) { | |
222 | p->current->start_time = timestamp; | |
223 | p->current->state_since = timestamp; | |
224 | } | |
225 | } | |
226 | ||
227 | static void pid_exit(int pid, u64 timestamp) | |
228 | { | |
229 | struct per_pid *p; | |
230 | p = find_create_pid(pid); | |
231 | p->end_time = timestamp; | |
232 | if (p->current) | |
233 | p->current->end_time = timestamp; | |
234 | } | |
235 | ||
236 | static void | |
6f8d67fa SF |
237 | pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end, |
238 | const char *backtrace) | |
10274989 AV |
239 | { |
240 | struct per_pid *p; | |
241 | struct per_pidcomm *c; | |
242 | struct cpu_sample *sample; | |
243 | ||
244 | p = find_create_pid(pid); | |
245 | c = p->current; | |
246 | if (!c) { | |
e0dcd6fb | 247 | c = zalloc(sizeof(*c)); |
10274989 | 248 | assert(c != NULL); |
10274989 AV |
249 | p->current = c; |
250 | c->next = p->all; | |
251 | p->all = c; | |
252 | } | |
253 | ||
e0dcd6fb | 254 | sample = zalloc(sizeof(*sample)); |
10274989 | 255 | assert(sample != NULL); |
10274989 AV |
256 | sample->start_time = start; |
257 | sample->end_time = end; | |
258 | sample->type = type; | |
259 | sample->next = c->samples; | |
260 | sample->cpu = cpu; | |
6f8d67fa | 261 | sample->backtrace = backtrace; |
10274989 AV |
262 | c->samples = sample; |
263 | ||
264 | if (sample->type == TYPE_RUNNING && end > start && start > 0) { | |
265 | c->total_time += (end-start); | |
266 | p->total_time += (end-start); | |
267 | } | |
268 | ||
269 | if (c->start_time == 0 || c->start_time > start) | |
270 | c->start_time = start; | |
271 | if (p->start_time == 0 || p->start_time > start) | |
272 | p->start_time = start; | |
10274989 AV |
273 | } |
274 | ||
275 | #define MAX_CPUS 4096 | |
276 | ||
277 | static u64 cpus_cstate_start_times[MAX_CPUS]; | |
278 | static int cpus_cstate_state[MAX_CPUS]; | |
279 | static u64 cpus_pstate_start_times[MAX_CPUS]; | |
280 | static u64 cpus_pstate_state[MAX_CPUS]; | |
281 | ||
1d037ca1 | 282 | static int process_comm_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 283 | union perf_event *event, |
1d037ca1 IT |
284 | struct perf_sample *sample __maybe_unused, |
285 | struct machine *machine __maybe_unused) | |
10274989 | 286 | { |
8f06d7e6 | 287 | pid_set_comm(event->comm.tid, event->comm.comm); |
10274989 AV |
288 | return 0; |
289 | } | |
d8f66248 | 290 | |
1d037ca1 | 291 | static int process_fork_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 292 | union perf_event *event, |
1d037ca1 IT |
293 | struct perf_sample *sample __maybe_unused, |
294 | struct machine *machine __maybe_unused) | |
10274989 AV |
295 | { |
296 | pid_fork(event->fork.pid, event->fork.ppid, event->fork.time); | |
297 | return 0; | |
298 | } | |
299 | ||
1d037ca1 | 300 | static int process_exit_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 301 | union perf_event *event, |
1d037ca1 IT |
302 | struct perf_sample *sample __maybe_unused, |
303 | struct machine *machine __maybe_unused) | |
10274989 AV |
304 | { |
305 | pid_exit(event->fork.pid, event->fork.time); | |
306 | return 0; | |
307 | } | |
308 | ||
309 | struct trace_entry { | |
10274989 AV |
310 | unsigned short type; |
311 | unsigned char flags; | |
312 | unsigned char preempt_count; | |
313 | int pid; | |
028c5152 | 314 | int lock_depth; |
10274989 AV |
315 | }; |
316 | ||
20c457b8 TR |
317 | #ifdef SUPPORT_OLD_POWER_EVENTS |
318 | static int use_old_power_events; | |
319 | struct power_entry_old { | |
10274989 | 320 | struct trace_entry te; |
4c21adf2 TR |
321 | u64 type; |
322 | u64 value; | |
323 | u64 cpu_id; | |
10274989 | 324 | }; |
20c457b8 TR |
325 | #endif |
326 | ||
327 | struct power_processor_entry { | |
328 | struct trace_entry te; | |
329 | u32 state; | |
330 | u32 cpu_id; | |
331 | }; | |
10274989 AV |
332 | |
333 | #define TASK_COMM_LEN 16 | |
334 | struct wakeup_entry { | |
335 | struct trace_entry te; | |
336 | char comm[TASK_COMM_LEN]; | |
337 | int pid; | |
338 | int prio; | |
339 | int success; | |
340 | }; | |
341 | ||
10274989 AV |
342 | struct sched_switch { |
343 | struct trace_entry te; | |
344 | char prev_comm[TASK_COMM_LEN]; | |
345 | int prev_pid; | |
346 | int prev_prio; | |
347 | long prev_state; /* Arjan weeps. */ | |
348 | char next_comm[TASK_COMM_LEN]; | |
349 | int next_pid; | |
350 | int next_prio; | |
351 | }; | |
352 | ||
353 | static void c_state_start(int cpu, u64 timestamp, int state) | |
354 | { | |
355 | cpus_cstate_start_times[cpu] = timestamp; | |
356 | cpus_cstate_state[cpu] = state; | |
357 | } | |
358 | ||
359 | static void c_state_end(int cpu, u64 timestamp) | |
360 | { | |
e0dcd6fb ACM |
361 | struct power_event *pwr = zalloc(sizeof(*pwr)); |
362 | ||
10274989 AV |
363 | if (!pwr) |
364 | return; | |
10274989 AV |
365 | |
366 | pwr->state = cpus_cstate_state[cpu]; | |
367 | pwr->start_time = cpus_cstate_start_times[cpu]; | |
368 | pwr->end_time = timestamp; | |
369 | pwr->cpu = cpu; | |
370 | pwr->type = CSTATE; | |
371 | pwr->next = power_events; | |
372 | ||
373 | power_events = pwr; | |
374 | } | |
375 | ||
376 | static void p_state_change(int cpu, u64 timestamp, u64 new_freq) | |
377 | { | |
378 | struct power_event *pwr; | |
10274989 AV |
379 | |
380 | if (new_freq > 8000000) /* detect invalid data */ | |
381 | return; | |
382 | ||
e0dcd6fb | 383 | pwr = zalloc(sizeof(*pwr)); |
10274989 AV |
384 | if (!pwr) |
385 | return; | |
10274989 AV |
386 | |
387 | pwr->state = cpus_pstate_state[cpu]; | |
388 | pwr->start_time = cpus_pstate_start_times[cpu]; | |
389 | pwr->end_time = timestamp; | |
390 | pwr->cpu = cpu; | |
391 | pwr->type = PSTATE; | |
392 | pwr->next = power_events; | |
393 | ||
394 | if (!pwr->start_time) | |
395 | pwr->start_time = first_time; | |
396 | ||
397 | power_events = pwr; | |
398 | ||
399 | cpus_pstate_state[cpu] = new_freq; | |
400 | cpus_pstate_start_times[cpu] = timestamp; | |
401 | ||
402 | if ((u64)new_freq > max_freq) | |
403 | max_freq = new_freq; | |
404 | ||
405 | if (new_freq < min_freq || min_freq == 0) | |
406 | min_freq = new_freq; | |
407 | ||
408 | if (new_freq == max_freq - 1000) | |
409 | turbo_frequency = max_freq; | |
410 | } | |
411 | ||
412 | static void | |
6f8d67fa SF |
413 | sched_wakeup(int cpu, u64 timestamp, int pid, struct trace_entry *te, |
414 | const char *backtrace) | |
10274989 | 415 | { |
10274989 AV |
416 | struct per_pid *p; |
417 | struct wakeup_entry *wake = (void *)te; | |
e0dcd6fb | 418 | struct wake_event *we = zalloc(sizeof(*we)); |
10274989 | 419 | |
10274989 AV |
420 | if (!we) |
421 | return; | |
422 | ||
10274989 AV |
423 | we->time = timestamp; |
424 | we->waker = pid; | |
6f8d67fa | 425 | we->backtrace = backtrace; |
10274989 AV |
426 | |
427 | if ((te->flags & TRACE_FLAG_HARDIRQ) || (te->flags & TRACE_FLAG_SOFTIRQ)) | |
428 | we->waker = -1; | |
429 | ||
430 | we->wakee = wake->pid; | |
431 | we->next = wake_events; | |
432 | wake_events = we; | |
433 | p = find_create_pid(we->wakee); | |
434 | ||
435 | if (p && p->current && p->current->state == TYPE_NONE) { | |
436 | p->current->state_since = timestamp; | |
437 | p->current->state = TYPE_WAITING; | |
438 | } | |
439 | if (p && p->current && p->current->state == TYPE_BLOCKED) { | |
6f8d67fa SF |
440 | pid_put_sample(p->pid, p->current->state, cpu, |
441 | p->current->state_since, timestamp, NULL); | |
10274989 AV |
442 | p->current->state_since = timestamp; |
443 | p->current->state = TYPE_WAITING; | |
444 | } | |
445 | } | |
446 | ||
6f8d67fa SF |
447 | static void sched_switch(int cpu, u64 timestamp, struct trace_entry *te, |
448 | const char *backtrace) | |
10274989 AV |
449 | { |
450 | struct per_pid *p = NULL, *prev_p; | |
451 | struct sched_switch *sw = (void *)te; | |
452 | ||
453 | ||
454 | prev_p = find_create_pid(sw->prev_pid); | |
455 | ||
456 | p = find_create_pid(sw->next_pid); | |
457 | ||
458 | if (prev_p->current && prev_p->current->state != TYPE_NONE) | |
6f8d67fa SF |
459 | pid_put_sample(sw->prev_pid, TYPE_RUNNING, cpu, |
460 | prev_p->current->state_since, timestamp, | |
461 | backtrace); | |
10274989 AV |
462 | if (p && p->current) { |
463 | if (p->current->state != TYPE_NONE) | |
6f8d67fa SF |
464 | pid_put_sample(sw->next_pid, p->current->state, cpu, |
465 | p->current->state_since, timestamp, | |
466 | backtrace); | |
10274989 | 467 | |
33e26a1b JL |
468 | p->current->state_since = timestamp; |
469 | p->current->state = TYPE_RUNNING; | |
10274989 AV |
470 | } |
471 | ||
472 | if (prev_p->current) { | |
473 | prev_p->current->state = TYPE_NONE; | |
474 | prev_p->current->state_since = timestamp; | |
475 | if (sw->prev_state & 2) | |
476 | prev_p->current->state = TYPE_BLOCKED; | |
477 | if (sw->prev_state == 0) | |
478 | prev_p->current->state = TYPE_WAITING; | |
479 | } | |
480 | } | |
481 | ||
6f8d67fa SF |
482 | static const char *cat_backtrace(union perf_event *event, |
483 | struct perf_sample *sample, | |
484 | struct machine *machine) | |
485 | { | |
486 | struct addr_location al; | |
487 | unsigned int i; | |
488 | char *p = NULL; | |
489 | size_t p_len; | |
490 | u8 cpumode = PERF_RECORD_MISC_USER; | |
491 | struct addr_location tal; | |
492 | struct ip_callchain *chain = sample->callchain; | |
493 | FILE *f = open_memstream(&p, &p_len); | |
494 | ||
495 | if (!f) { | |
496 | perror("open_memstream error"); | |
497 | return NULL; | |
498 | } | |
499 | ||
500 | if (!chain) | |
501 | goto exit; | |
502 | ||
503 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { | |
504 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
505 | event->header.type); | |
506 | goto exit; | |
507 | } | |
508 | ||
509 | for (i = 0; i < chain->nr; i++) { | |
510 | u64 ip; | |
511 | ||
512 | if (callchain_param.order == ORDER_CALLEE) | |
513 | ip = chain->ips[i]; | |
514 | else | |
515 | ip = chain->ips[chain->nr - i - 1]; | |
516 | ||
517 | if (ip >= PERF_CONTEXT_MAX) { | |
518 | switch (ip) { | |
519 | case PERF_CONTEXT_HV: | |
520 | cpumode = PERF_RECORD_MISC_HYPERVISOR; | |
521 | break; | |
522 | case PERF_CONTEXT_KERNEL: | |
523 | cpumode = PERF_RECORD_MISC_KERNEL; | |
524 | break; | |
525 | case PERF_CONTEXT_USER: | |
526 | cpumode = PERF_RECORD_MISC_USER; | |
527 | break; | |
528 | default: | |
529 | pr_debug("invalid callchain context: " | |
530 | "%"PRId64"\n", (s64) ip); | |
531 | ||
532 | /* | |
533 | * It seems the callchain is corrupted. | |
534 | * Discard all. | |
535 | */ | |
536 | free(p); | |
537 | p = NULL; | |
538 | goto exit; | |
539 | } | |
540 | continue; | |
541 | } | |
542 | ||
543 | tal.filtered = false; | |
544 | thread__find_addr_location(al.thread, machine, cpumode, | |
545 | MAP__FUNCTION, ip, &tal); | |
546 | ||
547 | if (tal.sym) | |
548 | fprintf(f, "..... %016" PRIx64 " %s\n", ip, | |
549 | tal.sym->name); | |
550 | else | |
551 | fprintf(f, "..... %016" PRIx64 "\n", ip); | |
552 | } | |
553 | ||
554 | exit: | |
555 | fclose(f); | |
556 | ||
557 | return p; | |
558 | } | |
559 | ||
5936678e | 560 | typedef int (*tracepoint_handler)(struct perf_evsel *evsel, |
6f8d67fa SF |
561 | struct perf_sample *sample, |
562 | const char *backtrace); | |
10274989 | 563 | |
1d037ca1 IT |
564 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
565 | union perf_event *event __maybe_unused, | |
8d50e5b4 | 566 | struct perf_sample *sample, |
e3f42609 | 567 | struct perf_evsel *evsel, |
1d037ca1 | 568 | struct machine *machine __maybe_unused) |
10274989 | 569 | { |
e3f42609 | 570 | if (evsel->attr.sample_type & PERF_SAMPLE_TIME) { |
640c03ce ACM |
571 | if (!first_time || first_time > sample->time) |
572 | first_time = sample->time; | |
573 | if (last_time < sample->time) | |
574 | last_time = sample->time; | |
10274989 | 575 | } |
180f95e2 | 576 | |
5936678e JO |
577 | if (sample->cpu > numcpus) |
578 | numcpus = sample->cpu; | |
579 | ||
744a9719 ACM |
580 | if (evsel->handler != NULL) { |
581 | tracepoint_handler f = evsel->handler; | |
6f8d67fa | 582 | return f(evsel, sample, cat_backtrace(event, sample, machine)); |
5936678e JO |
583 | } |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
588 | static int | |
589 | process_sample_cpu_idle(struct perf_evsel *evsel __maybe_unused, | |
6f8d67fa SF |
590 | struct perf_sample *sample, |
591 | const char *backtrace __maybe_unused) | |
5936678e JO |
592 | { |
593 | struct power_processor_entry *ppe = sample->raw_data; | |
594 | ||
595 | if (ppe->state == (u32) PWR_EVENT_EXIT) | |
596 | c_state_end(ppe->cpu_id, sample->time); | |
597 | else | |
598 | c_state_start(ppe->cpu_id, sample->time, ppe->state); | |
599 | return 0; | |
600 | } | |
601 | ||
602 | static int | |
603 | process_sample_cpu_frequency(struct perf_evsel *evsel __maybe_unused, | |
6f8d67fa SF |
604 | struct perf_sample *sample, |
605 | const char *backtrace __maybe_unused) | |
5936678e JO |
606 | { |
607 | struct power_processor_entry *ppe = sample->raw_data; | |
608 | ||
609 | p_state_change(ppe->cpu_id, sample->time, ppe->state); | |
610 | return 0; | |
611 | } | |
612 | ||
613 | static int | |
614 | process_sample_sched_wakeup(struct perf_evsel *evsel __maybe_unused, | |
6f8d67fa SF |
615 | struct perf_sample *sample, |
616 | const char *backtrace) | |
5936678e JO |
617 | { |
618 | struct trace_entry *te = sample->raw_data; | |
619 | ||
6f8d67fa | 620 | sched_wakeup(sample->cpu, sample->time, sample->pid, te, backtrace); |
5936678e JO |
621 | return 0; |
622 | } | |
10274989 | 623 | |
5936678e JO |
624 | static int |
625 | process_sample_sched_switch(struct perf_evsel *evsel __maybe_unused, | |
6f8d67fa SF |
626 | struct perf_sample *sample, |
627 | const char *backtrace) | |
5936678e JO |
628 | { |
629 | struct trace_entry *te = sample->raw_data; | |
10274989 | 630 | |
6f8d67fa | 631 | sched_switch(sample->cpu, sample->time, te, backtrace); |
5936678e JO |
632 | return 0; |
633 | } | |
20c457b8 TR |
634 | |
635 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
5936678e JO |
636 | static int |
637 | process_sample_power_start(struct perf_evsel *evsel __maybe_unused, | |
6f8d67fa SF |
638 | struct perf_sample *sample, |
639 | const char *backtrace __maybe_unused) | |
5936678e JO |
640 | { |
641 | struct power_entry_old *peo = sample->raw_data; | |
642 | ||
643 | c_state_start(peo->cpu_id, sample->time, peo->value); | |
644 | return 0; | |
645 | } | |
646 | ||
647 | static int | |
648 | process_sample_power_end(struct perf_evsel *evsel __maybe_unused, | |
6f8d67fa SF |
649 | struct perf_sample *sample, |
650 | const char *backtrace __maybe_unused) | |
5936678e JO |
651 | { |
652 | c_state_end(sample->cpu, sample->time); | |
653 | return 0; | |
654 | } | |
655 | ||
656 | static int | |
657 | process_sample_power_frequency(struct perf_evsel *evsel __maybe_unused, | |
6f8d67fa SF |
658 | struct perf_sample *sample, |
659 | const char *backtrace __maybe_unused) | |
5936678e JO |
660 | { |
661 | struct power_entry_old *peo = sample->raw_data; | |
662 | ||
663 | p_state_change(peo->cpu_id, sample->time, peo->value); | |
10274989 AV |
664 | return 0; |
665 | } | |
5936678e | 666 | #endif /* SUPPORT_OLD_POWER_EVENTS */ |
10274989 AV |
667 | |
668 | /* | |
669 | * After the last sample we need to wrap up the current C/P state | |
670 | * and close out each CPU for these. | |
671 | */ | |
672 | static void end_sample_processing(void) | |
673 | { | |
674 | u64 cpu; | |
675 | struct power_event *pwr; | |
676 | ||
39a90a8e | 677 | for (cpu = 0; cpu <= numcpus; cpu++) { |
e0dcd6fb ACM |
678 | /* C state */ |
679 | #if 0 | |
680 | pwr = zalloc(sizeof(*pwr)); | |
10274989 AV |
681 | if (!pwr) |
682 | return; | |
10274989 | 683 | |
10274989 AV |
684 | pwr->state = cpus_cstate_state[cpu]; |
685 | pwr->start_time = cpus_cstate_start_times[cpu]; | |
686 | pwr->end_time = last_time; | |
687 | pwr->cpu = cpu; | |
688 | pwr->type = CSTATE; | |
689 | pwr->next = power_events; | |
690 | ||
691 | power_events = pwr; | |
692 | #endif | |
693 | /* P state */ | |
694 | ||
e0dcd6fb | 695 | pwr = zalloc(sizeof(*pwr)); |
10274989 AV |
696 | if (!pwr) |
697 | return; | |
10274989 AV |
698 | |
699 | pwr->state = cpus_pstate_state[cpu]; | |
700 | pwr->start_time = cpus_pstate_start_times[cpu]; | |
701 | pwr->end_time = last_time; | |
702 | pwr->cpu = cpu; | |
703 | pwr->type = PSTATE; | |
704 | pwr->next = power_events; | |
705 | ||
706 | if (!pwr->start_time) | |
707 | pwr->start_time = first_time; | |
708 | if (!pwr->state) | |
709 | pwr->state = min_freq; | |
710 | power_events = pwr; | |
711 | } | |
712 | } | |
713 | ||
10274989 AV |
714 | /* |
715 | * Sort the pid datastructure | |
716 | */ | |
717 | static void sort_pids(void) | |
718 | { | |
719 | struct per_pid *new_list, *p, *cursor, *prev; | |
720 | /* sort by ppid first, then by pid, lowest to highest */ | |
721 | ||
722 | new_list = NULL; | |
723 | ||
724 | while (all_data) { | |
725 | p = all_data; | |
726 | all_data = p->next; | |
727 | p->next = NULL; | |
728 | ||
729 | if (new_list == NULL) { | |
730 | new_list = p; | |
731 | p->next = NULL; | |
732 | continue; | |
733 | } | |
734 | prev = NULL; | |
735 | cursor = new_list; | |
736 | while (cursor) { | |
737 | if (cursor->ppid > p->ppid || | |
738 | (cursor->ppid == p->ppid && cursor->pid > p->pid)) { | |
739 | /* must insert before */ | |
740 | if (prev) { | |
741 | p->next = prev->next; | |
742 | prev->next = p; | |
743 | cursor = NULL; | |
744 | continue; | |
745 | } else { | |
746 | p->next = new_list; | |
747 | new_list = p; | |
748 | cursor = NULL; | |
749 | continue; | |
750 | } | |
751 | } | |
752 | ||
753 | prev = cursor; | |
754 | cursor = cursor->next; | |
755 | if (!cursor) | |
756 | prev->next = p; | |
757 | } | |
758 | } | |
759 | all_data = new_list; | |
760 | } | |
761 | ||
762 | ||
763 | static void draw_c_p_states(void) | |
764 | { | |
765 | struct power_event *pwr; | |
766 | pwr = power_events; | |
767 | ||
768 | /* | |
769 | * two pass drawing so that the P state bars are on top of the C state blocks | |
770 | */ | |
771 | while (pwr) { | |
772 | if (pwr->type == CSTATE) | |
773 | svg_cstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); | |
774 | pwr = pwr->next; | |
775 | } | |
776 | ||
777 | pwr = power_events; | |
778 | while (pwr) { | |
779 | if (pwr->type == PSTATE) { | |
780 | if (!pwr->state) | |
781 | pwr->state = min_freq; | |
782 | svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); | |
783 | } | |
784 | pwr = pwr->next; | |
785 | } | |
786 | } | |
787 | ||
788 | static void draw_wakeups(void) | |
789 | { | |
790 | struct wake_event *we; | |
791 | struct per_pid *p; | |
792 | struct per_pidcomm *c; | |
793 | ||
794 | we = wake_events; | |
795 | while (we) { | |
796 | int from = 0, to = 0; | |
4f1202c8 | 797 | char *task_from = NULL, *task_to = NULL; |
10274989 AV |
798 | |
799 | /* locate the column of the waker and wakee */ | |
800 | p = all_data; | |
801 | while (p) { | |
802 | if (p->pid == we->waker || p->pid == we->wakee) { | |
803 | c = p->all; | |
804 | while (c) { | |
805 | if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { | |
bbe2987b | 806 | if (p->pid == we->waker && !from) { |
10274989 | 807 | from = c->Y; |
3bc2a39c | 808 | task_from = strdup(c->comm); |
4f1202c8 | 809 | } |
bbe2987b | 810 | if (p->pid == we->wakee && !to) { |
10274989 | 811 | to = c->Y; |
3bc2a39c | 812 | task_to = strdup(c->comm); |
4f1202c8 | 813 | } |
10274989 AV |
814 | } |
815 | c = c->next; | |
816 | } | |
3bc2a39c AV |
817 | c = p->all; |
818 | while (c) { | |
819 | if (p->pid == we->waker && !from) { | |
820 | from = c->Y; | |
821 | task_from = strdup(c->comm); | |
822 | } | |
823 | if (p->pid == we->wakee && !to) { | |
824 | to = c->Y; | |
825 | task_to = strdup(c->comm); | |
826 | } | |
827 | c = c->next; | |
828 | } | |
10274989 AV |
829 | } |
830 | p = p->next; | |
831 | } | |
832 | ||
3bc2a39c AV |
833 | if (!task_from) { |
834 | task_from = malloc(40); | |
835 | sprintf(task_from, "[%i]", we->waker); | |
836 | } | |
837 | if (!task_to) { | |
838 | task_to = malloc(40); | |
839 | sprintf(task_to, "[%i]", we->wakee); | |
840 | } | |
841 | ||
10274989 | 842 | if (we->waker == -1) |
6f8d67fa | 843 | svg_interrupt(we->time, to, we->backtrace); |
10274989 | 844 | else if (from && to && abs(from - to) == 1) |
6f8d67fa | 845 | svg_wakeline(we->time, from, to, we->backtrace); |
10274989 | 846 | else |
6f8d67fa SF |
847 | svg_partial_wakeline(we->time, from, task_from, to, |
848 | task_to, we->backtrace); | |
10274989 | 849 | we = we->next; |
3bc2a39c AV |
850 | |
851 | free(task_from); | |
852 | free(task_to); | |
10274989 AV |
853 | } |
854 | } | |
855 | ||
856 | static void draw_cpu_usage(void) | |
857 | { | |
858 | struct per_pid *p; | |
859 | struct per_pidcomm *c; | |
860 | struct cpu_sample *sample; | |
861 | p = all_data; | |
862 | while (p) { | |
863 | c = p->all; | |
864 | while (c) { | |
865 | sample = c->samples; | |
866 | while (sample) { | |
867 | if (sample->type == TYPE_RUNNING) | |
868 | svg_process(sample->cpu, sample->start_time, sample->end_time, "sample", c->comm); | |
869 | ||
870 | sample = sample->next; | |
871 | } | |
872 | c = c->next; | |
873 | } | |
874 | p = p->next; | |
875 | } | |
876 | } | |
877 | ||
878 | static void draw_process_bars(void) | |
879 | { | |
880 | struct per_pid *p; | |
881 | struct per_pidcomm *c; | |
882 | struct cpu_sample *sample; | |
883 | int Y = 0; | |
884 | ||
885 | Y = 2 * numcpus + 2; | |
886 | ||
887 | p = all_data; | |
888 | while (p) { | |
889 | c = p->all; | |
890 | while (c) { | |
891 | if (!c->display) { | |
892 | c->Y = 0; | |
893 | c = c->next; | |
894 | continue; | |
895 | } | |
896 | ||
a92fe7b3 | 897 | svg_box(Y, c->start_time, c->end_time, "process"); |
10274989 AV |
898 | sample = c->samples; |
899 | while (sample) { | |
900 | if (sample->type == TYPE_RUNNING) | |
6f8d67fa SF |
901 | svg_running(Y, sample->cpu, |
902 | sample->start_time, | |
903 | sample->end_time, | |
904 | sample->backtrace); | |
10274989 | 905 | if (sample->type == TYPE_BLOCKED) |
6f8d67fa SF |
906 | svg_blocked(Y, sample->cpu, |
907 | sample->start_time, | |
908 | sample->end_time, | |
909 | sample->backtrace); | |
10274989 | 910 | if (sample->type == TYPE_WAITING) |
6f8d67fa SF |
911 | svg_waiting(Y, sample->cpu, |
912 | sample->start_time, | |
913 | sample->end_time, | |
914 | sample->backtrace); | |
10274989 AV |
915 | sample = sample->next; |
916 | } | |
917 | ||
918 | if (c->comm) { | |
919 | char comm[256]; | |
920 | if (c->total_time > 5000000000) /* 5 seconds */ | |
921 | sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / 1000000000.0); | |
922 | else | |
923 | sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / 1000000.0); | |
924 | ||
925 | svg_text(Y, c->start_time, comm); | |
926 | } | |
927 | c->Y = Y; | |
928 | Y++; | |
929 | c = c->next; | |
930 | } | |
931 | p = p->next; | |
932 | } | |
933 | } | |
934 | ||
bbe2987b AV |
935 | static void add_process_filter(const char *string) |
936 | { | |
e0dcd6fb ACM |
937 | int pid = strtoull(string, NULL, 10); |
938 | struct process_filter *filt = malloc(sizeof(*filt)); | |
bbe2987b | 939 | |
bbe2987b AV |
940 | if (!filt) |
941 | return; | |
942 | ||
943 | filt->name = strdup(string); | |
944 | filt->pid = pid; | |
945 | filt->next = process_filter; | |
946 | ||
947 | process_filter = filt; | |
948 | } | |
949 | ||
950 | static int passes_filter(struct per_pid *p, struct per_pidcomm *c) | |
951 | { | |
952 | struct process_filter *filt; | |
953 | if (!process_filter) | |
954 | return 1; | |
955 | ||
956 | filt = process_filter; | |
957 | while (filt) { | |
958 | if (filt->pid && p->pid == filt->pid) | |
959 | return 1; | |
960 | if (strcmp(filt->name, c->comm) == 0) | |
961 | return 1; | |
962 | filt = filt->next; | |
963 | } | |
964 | return 0; | |
965 | } | |
966 | ||
967 | static int determine_display_tasks_filtered(void) | |
968 | { | |
969 | struct per_pid *p; | |
970 | struct per_pidcomm *c; | |
971 | int count = 0; | |
972 | ||
973 | p = all_data; | |
974 | while (p) { | |
975 | p->display = 0; | |
976 | if (p->start_time == 1) | |
977 | p->start_time = first_time; | |
978 | ||
979 | /* no exit marker, task kept running to the end */ | |
980 | if (p->end_time == 0) | |
981 | p->end_time = last_time; | |
982 | ||
983 | c = p->all; | |
984 | ||
985 | while (c) { | |
986 | c->display = 0; | |
987 | ||
988 | if (c->start_time == 1) | |
989 | c->start_time = first_time; | |
990 | ||
991 | if (passes_filter(p, c)) { | |
992 | c->display = 1; | |
993 | p->display = 1; | |
994 | count++; | |
995 | } | |
996 | ||
997 | if (c->end_time == 0) | |
998 | c->end_time = last_time; | |
999 | ||
1000 | c = c->next; | |
1001 | } | |
1002 | p = p->next; | |
1003 | } | |
1004 | return count; | |
1005 | } | |
1006 | ||
10274989 AV |
1007 | static int determine_display_tasks(u64 threshold) |
1008 | { | |
1009 | struct per_pid *p; | |
1010 | struct per_pidcomm *c; | |
1011 | int count = 0; | |
1012 | ||
bbe2987b AV |
1013 | if (process_filter) |
1014 | return determine_display_tasks_filtered(); | |
1015 | ||
10274989 AV |
1016 | p = all_data; |
1017 | while (p) { | |
1018 | p->display = 0; | |
1019 | if (p->start_time == 1) | |
1020 | p->start_time = first_time; | |
1021 | ||
1022 | /* no exit marker, task kept running to the end */ | |
1023 | if (p->end_time == 0) | |
1024 | p->end_time = last_time; | |
753c505d | 1025 | if (p->total_time >= threshold) |
10274989 AV |
1026 | p->display = 1; |
1027 | ||
1028 | c = p->all; | |
1029 | ||
1030 | while (c) { | |
1031 | c->display = 0; | |
1032 | ||
1033 | if (c->start_time == 1) | |
1034 | c->start_time = first_time; | |
1035 | ||
753c505d | 1036 | if (c->total_time >= threshold) { |
10274989 AV |
1037 | c->display = 1; |
1038 | count++; | |
1039 | } | |
1040 | ||
1041 | if (c->end_time == 0) | |
1042 | c->end_time = last_time; | |
1043 | ||
1044 | c = c->next; | |
1045 | } | |
1046 | p = p->next; | |
1047 | } | |
1048 | return count; | |
1049 | } | |
1050 | ||
1051 | ||
1052 | ||
1053 | #define TIME_THRESH 10000000 | |
1054 | ||
1055 | static void write_svg_file(const char *filename) | |
1056 | { | |
1057 | u64 i; | |
1058 | int count; | |
0a8eb275 | 1059 | int thresh = TIME_THRESH; |
10274989 AV |
1060 | |
1061 | numcpus++; | |
1062 | ||
753c505d SF |
1063 | if (power_only) |
1064 | proc_num = 0; | |
10274989 | 1065 | |
0a8eb275 SF |
1066 | /* We'd like to show at least proc_num tasks; |
1067 | * be less picky if we have fewer */ | |
1068 | do { | |
1069 | count = determine_display_tasks(thresh); | |
1070 | thresh /= 10; | |
54874e32 | 1071 | } while (!process_filter && thresh && count < proc_num); |
10274989 | 1072 | |
5094b655 | 1073 | open_svg(filename, numcpus, count, first_time, last_time); |
10274989 | 1074 | |
5094b655 | 1075 | svg_time_grid(); |
10274989 AV |
1076 | svg_legenda(); |
1077 | ||
1078 | for (i = 0; i < numcpus; i++) | |
1079 | svg_cpu_box(i, max_freq, turbo_frequency); | |
1080 | ||
1081 | draw_cpu_usage(); | |
753c505d SF |
1082 | if (proc_num) |
1083 | draw_process_bars(); | |
c87097d3 SF |
1084 | if (!tasks_only) |
1085 | draw_c_p_states(); | |
753c505d SF |
1086 | if (proc_num) |
1087 | draw_wakeups(); | |
10274989 AV |
1088 | |
1089 | svg_close(); | |
1090 | } | |
1091 | ||
70cb4e96 | 1092 | static int __cmd_timechart(const char *output_name) |
5cbd0805 | 1093 | { |
73bdc715 ACM |
1094 | struct perf_tool perf_timechart = { |
1095 | .comm = process_comm_event, | |
1096 | .fork = process_fork_event, | |
1097 | .exit = process_exit_event, | |
1098 | .sample = process_sample_event, | |
1099 | .ordered_samples = true, | |
1100 | }; | |
5936678e JO |
1101 | const struct perf_evsel_str_handler power_tracepoints[] = { |
1102 | { "power:cpu_idle", process_sample_cpu_idle }, | |
1103 | { "power:cpu_frequency", process_sample_cpu_frequency }, | |
1104 | { "sched:sched_wakeup", process_sample_sched_wakeup }, | |
1105 | { "sched:sched_switch", process_sample_sched_switch }, | |
1106 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
1107 | { "power:power_start", process_sample_power_start }, | |
1108 | { "power:power_end", process_sample_power_end }, | |
1109 | { "power:power_frequency", process_sample_power_frequency }, | |
1110 | #endif | |
1111 | }; | |
f5fc1412 JO |
1112 | struct perf_data_file file = { |
1113 | .path = input_name, | |
1114 | .mode = PERF_DATA_MODE_READ, | |
1115 | }; | |
1116 | ||
1117 | struct perf_session *session = perf_session__new(&file, false, | |
1118 | &perf_timechart); | |
d549c769 | 1119 | int ret = -EINVAL; |
10274989 | 1120 | |
94c744b6 ACM |
1121 | if (session == NULL) |
1122 | return -ENOMEM; | |
1123 | ||
d549c769 ACM |
1124 | if (!perf_session__has_traces(session, "timechart record")) |
1125 | goto out_delete; | |
1126 | ||
5936678e JO |
1127 | if (perf_session__set_tracepoints_handlers(session, |
1128 | power_tracepoints)) { | |
1129 | pr_err("Initializing session tracepoint handlers failed\n"); | |
1130 | goto out_delete; | |
1131 | } | |
1132 | ||
45694aa7 | 1133 | ret = perf_session__process_events(session, &perf_timechart); |
5cbd0805 | 1134 | if (ret) |
94c744b6 | 1135 | goto out_delete; |
10274989 | 1136 | |
10274989 AV |
1137 | end_sample_processing(); |
1138 | ||
1139 | sort_pids(); | |
1140 | ||
1141 | write_svg_file(output_name); | |
1142 | ||
6beba7ad ACM |
1143 | pr_info("Written %2.1f seconds of trace to %s.\n", |
1144 | (last_time - first_time) / 1000000000.0, output_name); | |
94c744b6 ACM |
1145 | out_delete: |
1146 | perf_session__delete(session); | |
1147 | return ret; | |
10274989 AV |
1148 | } |
1149 | ||
3c09eebd AV |
1150 | static int __cmd_record(int argc, const char **argv) |
1151 | { | |
367b3152 SF |
1152 | unsigned int rec_argc, i, j; |
1153 | const char **rec_argv; | |
1154 | const char **p; | |
1155 | unsigned int record_elems; | |
1156 | ||
1157 | const char * const common_args[] = { | |
4a4d371a | 1158 | "record", "-a", "-R", "-c", "1", |
367b3152 SF |
1159 | }; |
1160 | unsigned int common_args_nr = ARRAY_SIZE(common_args); | |
1161 | ||
6f8d67fa SF |
1162 | const char * const backtrace_args[] = { |
1163 | "-g", | |
1164 | }; | |
1165 | unsigned int backtrace_args_no = ARRAY_SIZE(backtrace_args); | |
1166 | ||
367b3152 SF |
1167 | const char * const power_args[] = { |
1168 | "-e", "power:cpu_frequency", | |
1169 | "-e", "power:cpu_idle", | |
1170 | }; | |
1171 | unsigned int power_args_nr = ARRAY_SIZE(power_args); | |
1172 | ||
1173 | const char * const old_power_args[] = { | |
1174 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
73bdc715 ACM |
1175 | "-e", "power:power_start", |
1176 | "-e", "power:power_end", | |
1177 | "-e", "power:power_frequency", | |
73bdc715 | 1178 | #endif |
367b3152 SF |
1179 | }; |
1180 | unsigned int old_power_args_nr = ARRAY_SIZE(old_power_args); | |
1181 | ||
1182 | const char * const tasks_args[] = { | |
73bdc715 ACM |
1183 | "-e", "sched:sched_wakeup", |
1184 | "-e", "sched:sched_switch", | |
1185 | }; | |
367b3152 | 1186 | unsigned int tasks_args_nr = ARRAY_SIZE(tasks_args); |
20c457b8 TR |
1187 | |
1188 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
1189 | if (!is_valid_tracepoint("power:cpu_idle") && | |
1190 | is_valid_tracepoint("power:power_start")) { | |
1191 | use_old_power_events = 1; | |
367b3152 SF |
1192 | power_args_nr = 0; |
1193 | } else { | |
1194 | old_power_args_nr = 0; | |
20c457b8 TR |
1195 | } |
1196 | #endif | |
3c09eebd | 1197 | |
367b3152 SF |
1198 | if (power_only) |
1199 | tasks_args_nr = 0; | |
1200 | ||
1201 | if (tasks_only) { | |
1202 | power_args_nr = 0; | |
1203 | old_power_args_nr = 0; | |
1204 | } | |
1205 | ||
6f8d67fa SF |
1206 | if (!with_backtrace) |
1207 | backtrace_args_no = 0; | |
1208 | ||
367b3152 | 1209 | record_elems = common_args_nr + tasks_args_nr + |
6f8d67fa | 1210 | power_args_nr + old_power_args_nr + backtrace_args_no; |
367b3152 SF |
1211 | |
1212 | rec_argc = record_elems + argc; | |
3c09eebd AV |
1213 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
1214 | ||
ce47dc56 CS |
1215 | if (rec_argv == NULL) |
1216 | return -ENOMEM; | |
1217 | ||
367b3152 SF |
1218 | p = rec_argv; |
1219 | for (i = 0; i < common_args_nr; i++) | |
1220 | *p++ = strdup(common_args[i]); | |
1221 | ||
6f8d67fa SF |
1222 | for (i = 0; i < backtrace_args_no; i++) |
1223 | *p++ = strdup(backtrace_args[i]); | |
1224 | ||
367b3152 SF |
1225 | for (i = 0; i < tasks_args_nr; i++) |
1226 | *p++ = strdup(tasks_args[i]); | |
1227 | ||
1228 | for (i = 0; i < power_args_nr; i++) | |
1229 | *p++ = strdup(power_args[i]); | |
3c09eebd | 1230 | |
367b3152 SF |
1231 | for (i = 0; i < old_power_args_nr; i++) |
1232 | *p++ = strdup(old_power_args[i]); | |
3c09eebd | 1233 | |
367b3152 SF |
1234 | for (j = 1; j < (unsigned int)argc; j++) |
1235 | *p++ = argv[j]; | |
1236 | ||
1237 | return cmd_record(rec_argc, rec_argv, NULL); | |
3c09eebd AV |
1238 | } |
1239 | ||
bbe2987b | 1240 | static int |
1d037ca1 IT |
1241 | parse_process(const struct option *opt __maybe_unused, const char *arg, |
1242 | int __maybe_unused unset) | |
bbe2987b AV |
1243 | { |
1244 | if (arg) | |
1245 | add_process_filter(arg); | |
1246 | return 0; | |
1247 | } | |
1248 | ||
73bdc715 ACM |
1249 | int cmd_timechart(int argc, const char **argv, |
1250 | const char *prefix __maybe_unused) | |
1251 | { | |
73bdc715 | 1252 | const char *output_name = "output.svg"; |
367b3152 | 1253 | const struct option timechart_options[] = { |
73bdc715 ACM |
1254 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
1255 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1256 | OPT_INTEGER('w', "width", &svg_page_width, "page width"), | |
1257 | OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"), | |
c87097d3 SF |
1258 | OPT_BOOLEAN('T', "tasks-only", &tasks_only, |
1259 | "output processes data only"), | |
bbe2987b AV |
1260 | OPT_CALLBACK('p', "process", NULL, "process", |
1261 | "process selector. Pass a pid or process name.", | |
1262 | parse_process), | |
ec5761ea DA |
1263 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
1264 | "Look for files with symbols relative to this directory"), | |
54874e32 SF |
1265 | OPT_INTEGER('n', "proc-num", &proc_num, |
1266 | "min. number of tasks to print"), | |
10274989 | 1267 | OPT_END() |
73bdc715 ACM |
1268 | }; |
1269 | const char * const timechart_usage[] = { | |
1270 | "perf timechart [<options>] {record}", | |
1271 | NULL | |
1272 | }; | |
10274989 | 1273 | |
367b3152 SF |
1274 | const struct option record_options[] = { |
1275 | OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"), | |
1276 | OPT_BOOLEAN('T', "tasks-only", &tasks_only, | |
1277 | "output processes data only"), | |
6f8d67fa | 1278 | OPT_BOOLEAN('g', "callchain", &with_backtrace, "record callchain"), |
367b3152 SF |
1279 | OPT_END() |
1280 | }; | |
1281 | const char * const record_usage[] = { | |
1282 | "perf timechart record [<options>]", | |
1283 | NULL | |
1284 | }; | |
1285 | argc = parse_options(argc, argv, timechart_options, timechart_usage, | |
3c09eebd | 1286 | PARSE_OPT_STOP_AT_NON_OPTION); |
10274989 | 1287 | |
c87097d3 SF |
1288 | if (power_only && tasks_only) { |
1289 | pr_err("-P and -T options cannot be used at the same time.\n"); | |
1290 | return -1; | |
1291 | } | |
1292 | ||
655000e7 ACM |
1293 | symbol__init(); |
1294 | ||
367b3152 SF |
1295 | if (argc && !strncmp(argv[0], "rec", 3)) { |
1296 | argc = parse_options(argc, argv, record_options, record_usage, | |
1297 | PARSE_OPT_STOP_AT_NON_OPTION); | |
1298 | ||
1299 | if (power_only && tasks_only) { | |
1300 | pr_err("-P and -T options cannot be used at the same time.\n"); | |
1301 | return -1; | |
1302 | } | |
1303 | ||
3c09eebd | 1304 | return __cmd_record(argc, argv); |
367b3152 SF |
1305 | } else if (argc) |
1306 | usage_with_options(timechart_usage, timechart_options); | |
10274989 AV |
1307 | |
1308 | setup_pager(); | |
1309 | ||
70cb4e96 | 1310 | return __cmd_timechart(output_name); |
10274989 | 1311 | } |