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 | ||
5e22f6d2 | 44 | struct per_pid; |
66cc3ada | 45 | struct power_event; |
436b0da0 | 46 | struct wake_event; |
5e22f6d2 | 47 | |
985b12e6 ACM |
48 | struct timechart { |
49 | struct perf_tool tool; | |
5e22f6d2 | 50 | struct per_pid *all_data; |
66cc3ada | 51 | struct power_event *power_events; |
436b0da0 | 52 | struct wake_event *wake_events; |
985b12e6 ACM |
53 | int proc_num; |
54 | unsigned int numcpus; | |
55 | u64 min_freq, /* Lowest CPU frequency seen */ | |
56 | max_freq, /* Highest CPU frequency seen */ | |
57 | turbo_frequency, | |
58 | first_time, last_time; | |
59 | bool power_only, | |
60 | tasks_only, | |
61 | with_backtrace; | |
62 | }; | |
10274989 | 63 | |
10274989 | 64 | struct per_pidcomm; |
10274989 | 65 | struct cpu_sample; |
10274989 AV |
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 | ||
10274989 AV |
133 | #define CSTATE 1 |
134 | #define PSTATE 2 | |
135 | ||
136 | struct power_event { | |
137 | struct power_event *next; | |
138 | int type; | |
139 | int state; | |
140 | u64 start_time; | |
141 | u64 end_time; | |
142 | int cpu; | |
143 | }; | |
144 | ||
145 | struct wake_event { | |
146 | struct wake_event *next; | |
147 | int waker; | |
148 | int wakee; | |
149 | u64 time; | |
6f8d67fa | 150 | const char *backtrace; |
10274989 AV |
151 | }; |
152 | ||
bbe2987b | 153 | struct process_filter { |
5cbd0805 LZ |
154 | char *name; |
155 | int pid; | |
156 | struct process_filter *next; | |
bbe2987b AV |
157 | }; |
158 | ||
159 | static struct process_filter *process_filter; | |
160 | ||
161 | ||
5e22f6d2 | 162 | static struct per_pid *find_create_pid(struct timechart *tchart, int pid) |
10274989 | 163 | { |
5e22f6d2 | 164 | struct per_pid *cursor = tchart->all_data; |
10274989 AV |
165 | |
166 | while (cursor) { | |
167 | if (cursor->pid == pid) | |
168 | return cursor; | |
169 | cursor = cursor->next; | |
170 | } | |
e0dcd6fb | 171 | cursor = zalloc(sizeof(*cursor)); |
10274989 | 172 | assert(cursor != NULL); |
10274989 | 173 | cursor->pid = pid; |
5e22f6d2 ACM |
174 | cursor->next = tchart->all_data; |
175 | tchart->all_data = cursor; | |
10274989 AV |
176 | return cursor; |
177 | } | |
178 | ||
5e22f6d2 | 179 | static void pid_set_comm(struct timechart *tchart, int pid, char *comm) |
10274989 AV |
180 | { |
181 | struct per_pid *p; | |
182 | struct per_pidcomm *c; | |
5e22f6d2 | 183 | p = find_create_pid(tchart, pid); |
10274989 AV |
184 | c = p->all; |
185 | while (c) { | |
186 | if (c->comm && strcmp(c->comm, comm) == 0) { | |
187 | p->current = c; | |
188 | return; | |
189 | } | |
190 | if (!c->comm) { | |
191 | c->comm = strdup(comm); | |
192 | p->current = c; | |
193 | return; | |
194 | } | |
195 | c = c->next; | |
196 | } | |
e0dcd6fb | 197 | c = zalloc(sizeof(*c)); |
10274989 | 198 | assert(c != NULL); |
10274989 AV |
199 | c->comm = strdup(comm); |
200 | p->current = c; | |
201 | c->next = p->all; | |
202 | p->all = c; | |
203 | } | |
204 | ||
5e22f6d2 | 205 | static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp) |
10274989 AV |
206 | { |
207 | struct per_pid *p, *pp; | |
5e22f6d2 ACM |
208 | p = find_create_pid(tchart, pid); |
209 | pp = find_create_pid(tchart, ppid); | |
10274989 AV |
210 | p->ppid = ppid; |
211 | if (pp->current && pp->current->comm && !p->current) | |
5e22f6d2 | 212 | pid_set_comm(tchart, pid, pp->current->comm); |
10274989 AV |
213 | |
214 | p->start_time = timestamp; | |
215 | if (p->current) { | |
216 | p->current->start_time = timestamp; | |
217 | p->current->state_since = timestamp; | |
218 | } | |
219 | } | |
220 | ||
5e22f6d2 | 221 | static void pid_exit(struct timechart *tchart, int pid, u64 timestamp) |
10274989 AV |
222 | { |
223 | struct per_pid *p; | |
5e22f6d2 | 224 | p = find_create_pid(tchart, pid); |
10274989 AV |
225 | p->end_time = timestamp; |
226 | if (p->current) | |
227 | p->current->end_time = timestamp; | |
228 | } | |
229 | ||
5e22f6d2 ACM |
230 | static void pid_put_sample(struct timechart *tchart, int pid, int type, |
231 | unsigned int cpu, u64 start, u64 end, | |
232 | const char *backtrace) | |
10274989 AV |
233 | { |
234 | struct per_pid *p; | |
235 | struct per_pidcomm *c; | |
236 | struct cpu_sample *sample; | |
237 | ||
5e22f6d2 | 238 | p = find_create_pid(tchart, pid); |
10274989 AV |
239 | c = p->current; |
240 | if (!c) { | |
e0dcd6fb | 241 | c = zalloc(sizeof(*c)); |
10274989 | 242 | assert(c != NULL); |
10274989 AV |
243 | p->current = c; |
244 | c->next = p->all; | |
245 | p->all = c; | |
246 | } | |
247 | ||
e0dcd6fb | 248 | sample = zalloc(sizeof(*sample)); |
10274989 | 249 | assert(sample != NULL); |
10274989 AV |
250 | sample->start_time = start; |
251 | sample->end_time = end; | |
252 | sample->type = type; | |
253 | sample->next = c->samples; | |
254 | sample->cpu = cpu; | |
6f8d67fa | 255 | sample->backtrace = backtrace; |
10274989 AV |
256 | c->samples = sample; |
257 | ||
258 | if (sample->type == TYPE_RUNNING && end > start && start > 0) { | |
259 | c->total_time += (end-start); | |
260 | p->total_time += (end-start); | |
261 | } | |
262 | ||
263 | if (c->start_time == 0 || c->start_time > start) | |
264 | c->start_time = start; | |
265 | if (p->start_time == 0 || p->start_time > start) | |
266 | p->start_time = start; | |
10274989 AV |
267 | } |
268 | ||
269 | #define MAX_CPUS 4096 | |
270 | ||
271 | static u64 cpus_cstate_start_times[MAX_CPUS]; | |
272 | static int cpus_cstate_state[MAX_CPUS]; | |
273 | static u64 cpus_pstate_start_times[MAX_CPUS]; | |
274 | static u64 cpus_pstate_state[MAX_CPUS]; | |
275 | ||
5e22f6d2 | 276 | static int process_comm_event(struct perf_tool *tool, |
d20deb64 | 277 | union perf_event *event, |
1d037ca1 IT |
278 | struct perf_sample *sample __maybe_unused, |
279 | struct machine *machine __maybe_unused) | |
10274989 | 280 | { |
5e22f6d2 ACM |
281 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
282 | pid_set_comm(tchart, event->comm.tid, event->comm.comm); | |
10274989 AV |
283 | return 0; |
284 | } | |
d8f66248 | 285 | |
5e22f6d2 | 286 | static int process_fork_event(struct perf_tool *tool, |
d20deb64 | 287 | union perf_event *event, |
1d037ca1 IT |
288 | struct perf_sample *sample __maybe_unused, |
289 | struct machine *machine __maybe_unused) | |
10274989 | 290 | { |
5e22f6d2 ACM |
291 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
292 | pid_fork(tchart, event->fork.pid, event->fork.ppid, event->fork.time); | |
10274989 AV |
293 | return 0; |
294 | } | |
295 | ||
5e22f6d2 | 296 | static int process_exit_event(struct perf_tool *tool, |
d20deb64 | 297 | union perf_event *event, |
1d037ca1 IT |
298 | struct perf_sample *sample __maybe_unused, |
299 | struct machine *machine __maybe_unused) | |
10274989 | 300 | { |
5e22f6d2 ACM |
301 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
302 | pid_exit(tchart, event->fork.pid, event->fork.time); | |
10274989 AV |
303 | return 0; |
304 | } | |
305 | ||
20c457b8 TR |
306 | #ifdef SUPPORT_OLD_POWER_EVENTS |
307 | static int use_old_power_events; | |
20c457b8 TR |
308 | #endif |
309 | ||
10274989 AV |
310 | static void c_state_start(int cpu, u64 timestamp, int state) |
311 | { | |
312 | cpus_cstate_start_times[cpu] = timestamp; | |
313 | cpus_cstate_state[cpu] = state; | |
314 | } | |
315 | ||
66cc3ada | 316 | static void c_state_end(struct timechart *tchart, int cpu, u64 timestamp) |
10274989 | 317 | { |
e0dcd6fb ACM |
318 | struct power_event *pwr = zalloc(sizeof(*pwr)); |
319 | ||
10274989 AV |
320 | if (!pwr) |
321 | return; | |
10274989 AV |
322 | |
323 | pwr->state = cpus_cstate_state[cpu]; | |
324 | pwr->start_time = cpus_cstate_start_times[cpu]; | |
325 | pwr->end_time = timestamp; | |
326 | pwr->cpu = cpu; | |
327 | pwr->type = CSTATE; | |
66cc3ada | 328 | pwr->next = tchart->power_events; |
10274989 | 329 | |
66cc3ada | 330 | tchart->power_events = pwr; |
10274989 AV |
331 | } |
332 | ||
985b12e6 | 333 | static void p_state_change(struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq) |
10274989 AV |
334 | { |
335 | struct power_event *pwr; | |
10274989 AV |
336 | |
337 | if (new_freq > 8000000) /* detect invalid data */ | |
338 | return; | |
339 | ||
e0dcd6fb | 340 | pwr = zalloc(sizeof(*pwr)); |
10274989 AV |
341 | if (!pwr) |
342 | return; | |
10274989 AV |
343 | |
344 | pwr->state = cpus_pstate_state[cpu]; | |
345 | pwr->start_time = cpus_pstate_start_times[cpu]; | |
346 | pwr->end_time = timestamp; | |
347 | pwr->cpu = cpu; | |
348 | pwr->type = PSTATE; | |
66cc3ada | 349 | pwr->next = tchart->power_events; |
10274989 AV |
350 | |
351 | if (!pwr->start_time) | |
985b12e6 | 352 | pwr->start_time = tchart->first_time; |
10274989 | 353 | |
66cc3ada | 354 | tchart->power_events = pwr; |
10274989 AV |
355 | |
356 | cpus_pstate_state[cpu] = new_freq; | |
357 | cpus_pstate_start_times[cpu] = timestamp; | |
358 | ||
985b12e6 ACM |
359 | if ((u64)new_freq > tchart->max_freq) |
360 | tchart->max_freq = new_freq; | |
10274989 | 361 | |
985b12e6 ACM |
362 | if (new_freq < tchart->min_freq || tchart->min_freq == 0) |
363 | tchart->min_freq = new_freq; | |
10274989 | 364 | |
985b12e6 ACM |
365 | if (new_freq == tchart->max_freq - 1000) |
366 | tchart->turbo_frequency = tchart->max_freq; | |
10274989 AV |
367 | } |
368 | ||
5e22f6d2 ACM |
369 | static void sched_wakeup(struct timechart *tchart, int cpu, u64 timestamp, |
370 | int waker, int wakee, u8 flags, const char *backtrace) | |
10274989 | 371 | { |
10274989 | 372 | struct per_pid *p; |
e0dcd6fb | 373 | struct wake_event *we = zalloc(sizeof(*we)); |
10274989 | 374 | |
10274989 AV |
375 | if (!we) |
376 | return; | |
377 | ||
10274989 | 378 | we->time = timestamp; |
3ed0d21e | 379 | we->waker = waker; |
6f8d67fa | 380 | we->backtrace = backtrace; |
10274989 | 381 | |
3ed0d21e | 382 | if ((flags & TRACE_FLAG_HARDIRQ) || (flags & TRACE_FLAG_SOFTIRQ)) |
10274989 AV |
383 | we->waker = -1; |
384 | ||
3ed0d21e | 385 | we->wakee = wakee; |
436b0da0 ACM |
386 | we->next = tchart->wake_events; |
387 | tchart->wake_events = we; | |
5e22f6d2 | 388 | p = find_create_pid(tchart, we->wakee); |
10274989 AV |
389 | |
390 | if (p && p->current && p->current->state == TYPE_NONE) { | |
391 | p->current->state_since = timestamp; | |
392 | p->current->state = TYPE_WAITING; | |
393 | } | |
394 | if (p && p->current && p->current->state == TYPE_BLOCKED) { | |
5e22f6d2 | 395 | pid_put_sample(tchart, p->pid, p->current->state, cpu, |
6f8d67fa | 396 | p->current->state_since, timestamp, NULL); |
10274989 AV |
397 | p->current->state_since = timestamp; |
398 | p->current->state = TYPE_WAITING; | |
399 | } | |
400 | } | |
401 | ||
5e22f6d2 ACM |
402 | static void sched_switch(struct timechart *tchart, int cpu, u64 timestamp, |
403 | int prev_pid, int next_pid, u64 prev_state, | |
404 | const char *backtrace) | |
10274989 AV |
405 | { |
406 | struct per_pid *p = NULL, *prev_p; | |
10274989 | 407 | |
5e22f6d2 | 408 | prev_p = find_create_pid(tchart, prev_pid); |
10274989 | 409 | |
5e22f6d2 | 410 | p = find_create_pid(tchart, next_pid); |
10274989 AV |
411 | |
412 | if (prev_p->current && prev_p->current->state != TYPE_NONE) | |
5e22f6d2 | 413 | pid_put_sample(tchart, prev_pid, TYPE_RUNNING, cpu, |
6f8d67fa SF |
414 | prev_p->current->state_since, timestamp, |
415 | backtrace); | |
10274989 AV |
416 | if (p && p->current) { |
417 | if (p->current->state != TYPE_NONE) | |
5e22f6d2 | 418 | pid_put_sample(tchart, next_pid, p->current->state, cpu, |
6f8d67fa SF |
419 | p->current->state_since, timestamp, |
420 | backtrace); | |
10274989 | 421 | |
33e26a1b JL |
422 | p->current->state_since = timestamp; |
423 | p->current->state = TYPE_RUNNING; | |
10274989 AV |
424 | } |
425 | ||
426 | if (prev_p->current) { | |
427 | prev_p->current->state = TYPE_NONE; | |
428 | prev_p->current->state_since = timestamp; | |
3ed0d21e | 429 | if (prev_state & 2) |
10274989 | 430 | prev_p->current->state = TYPE_BLOCKED; |
3ed0d21e | 431 | if (prev_state == 0) |
10274989 AV |
432 | prev_p->current->state = TYPE_WAITING; |
433 | } | |
434 | } | |
435 | ||
6f8d67fa SF |
436 | static const char *cat_backtrace(union perf_event *event, |
437 | struct perf_sample *sample, | |
438 | struct machine *machine) | |
439 | { | |
440 | struct addr_location al; | |
441 | unsigned int i; | |
442 | char *p = NULL; | |
443 | size_t p_len; | |
444 | u8 cpumode = PERF_RECORD_MISC_USER; | |
445 | struct addr_location tal; | |
446 | struct ip_callchain *chain = sample->callchain; | |
447 | FILE *f = open_memstream(&p, &p_len); | |
448 | ||
449 | if (!f) { | |
450 | perror("open_memstream error"); | |
451 | return NULL; | |
452 | } | |
453 | ||
454 | if (!chain) | |
455 | goto exit; | |
456 | ||
457 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { | |
458 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
459 | event->header.type); | |
460 | goto exit; | |
461 | } | |
462 | ||
463 | for (i = 0; i < chain->nr; i++) { | |
464 | u64 ip; | |
465 | ||
466 | if (callchain_param.order == ORDER_CALLEE) | |
467 | ip = chain->ips[i]; | |
468 | else | |
469 | ip = chain->ips[chain->nr - i - 1]; | |
470 | ||
471 | if (ip >= PERF_CONTEXT_MAX) { | |
472 | switch (ip) { | |
473 | case PERF_CONTEXT_HV: | |
474 | cpumode = PERF_RECORD_MISC_HYPERVISOR; | |
475 | break; | |
476 | case PERF_CONTEXT_KERNEL: | |
477 | cpumode = PERF_RECORD_MISC_KERNEL; | |
478 | break; | |
479 | case PERF_CONTEXT_USER: | |
480 | cpumode = PERF_RECORD_MISC_USER; | |
481 | break; | |
482 | default: | |
483 | pr_debug("invalid callchain context: " | |
484 | "%"PRId64"\n", (s64) ip); | |
485 | ||
486 | /* | |
487 | * It seems the callchain is corrupted. | |
488 | * Discard all. | |
489 | */ | |
490 | free(p); | |
491 | p = NULL; | |
492 | goto exit; | |
493 | } | |
494 | continue; | |
495 | } | |
496 | ||
497 | tal.filtered = false; | |
498 | thread__find_addr_location(al.thread, machine, cpumode, | |
499 | MAP__FUNCTION, ip, &tal); | |
500 | ||
501 | if (tal.sym) | |
502 | fprintf(f, "..... %016" PRIx64 " %s\n", ip, | |
503 | tal.sym->name); | |
504 | else | |
505 | fprintf(f, "..... %016" PRIx64 "\n", ip); | |
506 | } | |
507 | ||
508 | exit: | |
509 | fclose(f); | |
510 | ||
511 | return p; | |
512 | } | |
513 | ||
985b12e6 ACM |
514 | typedef int (*tracepoint_handler)(struct timechart *tchart, |
515 | struct perf_evsel *evsel, | |
6f8d67fa SF |
516 | struct perf_sample *sample, |
517 | const char *backtrace); | |
10274989 | 518 | |
985b12e6 | 519 | static int process_sample_event(struct perf_tool *tool, |
972ec653 | 520 | union perf_event *event, |
8d50e5b4 | 521 | struct perf_sample *sample, |
e3f42609 | 522 | struct perf_evsel *evsel, |
985b12e6 | 523 | struct machine *machine) |
10274989 | 524 | { |
985b12e6 ACM |
525 | struct timechart *tchart = container_of(tool, struct timechart, tool); |
526 | ||
e3f42609 | 527 | if (evsel->attr.sample_type & PERF_SAMPLE_TIME) { |
985b12e6 ACM |
528 | if (!tchart->first_time || tchart->first_time > sample->time) |
529 | tchart->first_time = sample->time; | |
530 | if (tchart->last_time < sample->time) | |
531 | tchart->last_time = sample->time; | |
10274989 | 532 | } |
180f95e2 | 533 | |
985b12e6 ACM |
534 | if (sample->cpu > tchart->numcpus) |
535 | tchart->numcpus = sample->cpu; | |
5936678e | 536 | |
744a9719 ACM |
537 | if (evsel->handler != NULL) { |
538 | tracepoint_handler f = evsel->handler; | |
985b12e6 | 539 | return f(tchart, evsel, sample, cat_backtrace(event, sample, machine)); |
5936678e JO |
540 | } |
541 | ||
542 | return 0; | |
543 | } | |
544 | ||
545 | static int | |
985b12e6 ACM |
546 | process_sample_cpu_idle(struct timechart *tchart __maybe_unused, |
547 | struct perf_evsel *evsel, | |
6f8d67fa SF |
548 | struct perf_sample *sample, |
549 | const char *backtrace __maybe_unused) | |
5936678e | 550 | { |
3ed0d21e SF |
551 | u32 state = perf_evsel__intval(evsel, sample, "state"); |
552 | u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); | |
5936678e | 553 | |
3ed0d21e | 554 | if (state == (u32)PWR_EVENT_EXIT) |
66cc3ada | 555 | c_state_end(tchart, cpu_id, sample->time); |
5936678e | 556 | else |
3ed0d21e | 557 | c_state_start(cpu_id, sample->time, state); |
5936678e JO |
558 | return 0; |
559 | } | |
560 | ||
561 | static int | |
985b12e6 ACM |
562 | process_sample_cpu_frequency(struct timechart *tchart, |
563 | struct perf_evsel *evsel, | |
6f8d67fa SF |
564 | struct perf_sample *sample, |
565 | const char *backtrace __maybe_unused) | |
5936678e | 566 | { |
3ed0d21e SF |
567 | u32 state = perf_evsel__intval(evsel, sample, "state"); |
568 | u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); | |
5936678e | 569 | |
985b12e6 | 570 | p_state_change(tchart, cpu_id, sample->time, state); |
5936678e JO |
571 | return 0; |
572 | } | |
573 | ||
574 | static int | |
5e22f6d2 | 575 | process_sample_sched_wakeup(struct timechart *tchart, |
985b12e6 | 576 | struct perf_evsel *evsel, |
6f8d67fa SF |
577 | struct perf_sample *sample, |
578 | const char *backtrace) | |
5936678e | 579 | { |
3ed0d21e SF |
580 | u8 flags = perf_evsel__intval(evsel, sample, "common_flags"); |
581 | int waker = perf_evsel__intval(evsel, sample, "common_pid"); | |
582 | int wakee = perf_evsel__intval(evsel, sample, "pid"); | |
5936678e | 583 | |
5e22f6d2 | 584 | sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace); |
5936678e JO |
585 | return 0; |
586 | } | |
10274989 | 587 | |
5936678e | 588 | static int |
5e22f6d2 | 589 | process_sample_sched_switch(struct timechart *tchart, |
985b12e6 | 590 | struct perf_evsel *evsel, |
6f8d67fa SF |
591 | struct perf_sample *sample, |
592 | const char *backtrace) | |
5936678e | 593 | { |
3ed0d21e SF |
594 | int prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"); |
595 | int next_pid = perf_evsel__intval(evsel, sample, "next_pid"); | |
596 | u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state"); | |
10274989 | 597 | |
5e22f6d2 ACM |
598 | sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid, |
599 | prev_state, backtrace); | |
5936678e JO |
600 | return 0; |
601 | } | |
20c457b8 TR |
602 | |
603 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
5936678e | 604 | static int |
985b12e6 ACM |
605 | process_sample_power_start(struct timechart *tchart __maybe_unused, |
606 | struct perf_evsel *evsel, | |
6f8d67fa SF |
607 | struct perf_sample *sample, |
608 | const char *backtrace __maybe_unused) | |
5936678e | 609 | { |
3ed0d21e SF |
610 | u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); |
611 | u64 value = perf_evsel__intval(evsel, sample, "value"); | |
5936678e | 612 | |
3ed0d21e | 613 | c_state_start(cpu_id, sample->time, value); |
5936678e JO |
614 | return 0; |
615 | } | |
616 | ||
617 | static int | |
66cc3ada | 618 | process_sample_power_end(struct timechart *tchart, |
985b12e6 | 619 | struct perf_evsel *evsel __maybe_unused, |
6f8d67fa SF |
620 | struct perf_sample *sample, |
621 | const char *backtrace __maybe_unused) | |
5936678e | 622 | { |
66cc3ada | 623 | c_state_end(tchart, sample->cpu, sample->time); |
5936678e JO |
624 | return 0; |
625 | } | |
626 | ||
627 | static int | |
985b12e6 ACM |
628 | process_sample_power_frequency(struct timechart *tchart, |
629 | struct perf_evsel *evsel, | |
6f8d67fa SF |
630 | struct perf_sample *sample, |
631 | const char *backtrace __maybe_unused) | |
5936678e | 632 | { |
3ed0d21e SF |
633 | u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); |
634 | u64 value = perf_evsel__intval(evsel, sample, "value"); | |
5936678e | 635 | |
985b12e6 | 636 | p_state_change(tchart, cpu_id, sample->time, value); |
10274989 AV |
637 | return 0; |
638 | } | |
5936678e | 639 | #endif /* SUPPORT_OLD_POWER_EVENTS */ |
10274989 AV |
640 | |
641 | /* | |
642 | * After the last sample we need to wrap up the current C/P state | |
643 | * and close out each CPU for these. | |
644 | */ | |
985b12e6 | 645 | static void end_sample_processing(struct timechart *tchart) |
10274989 AV |
646 | { |
647 | u64 cpu; | |
648 | struct power_event *pwr; | |
649 | ||
985b12e6 | 650 | for (cpu = 0; cpu <= tchart->numcpus; cpu++) { |
e0dcd6fb ACM |
651 | /* C state */ |
652 | #if 0 | |
653 | pwr = zalloc(sizeof(*pwr)); | |
10274989 AV |
654 | if (!pwr) |
655 | return; | |
10274989 | 656 | |
10274989 AV |
657 | pwr->state = cpus_cstate_state[cpu]; |
658 | pwr->start_time = cpus_cstate_start_times[cpu]; | |
985b12e6 | 659 | pwr->end_time = tchart->last_time; |
10274989 AV |
660 | pwr->cpu = cpu; |
661 | pwr->type = CSTATE; | |
66cc3ada | 662 | pwr->next = tchart->power_events; |
10274989 | 663 | |
66cc3ada | 664 | tchart->power_events = pwr; |
10274989 AV |
665 | #endif |
666 | /* P state */ | |
667 | ||
e0dcd6fb | 668 | pwr = zalloc(sizeof(*pwr)); |
10274989 AV |
669 | if (!pwr) |
670 | return; | |
10274989 AV |
671 | |
672 | pwr->state = cpus_pstate_state[cpu]; | |
673 | pwr->start_time = cpus_pstate_start_times[cpu]; | |
985b12e6 | 674 | pwr->end_time = tchart->last_time; |
10274989 AV |
675 | pwr->cpu = cpu; |
676 | pwr->type = PSTATE; | |
66cc3ada | 677 | pwr->next = tchart->power_events; |
10274989 AV |
678 | |
679 | if (!pwr->start_time) | |
985b12e6 | 680 | pwr->start_time = tchart->first_time; |
10274989 | 681 | if (!pwr->state) |
985b12e6 | 682 | pwr->state = tchart->min_freq; |
66cc3ada | 683 | tchart->power_events = pwr; |
10274989 AV |
684 | } |
685 | } | |
686 | ||
10274989 AV |
687 | /* |
688 | * Sort the pid datastructure | |
689 | */ | |
5e22f6d2 | 690 | static void sort_pids(struct timechart *tchart) |
10274989 AV |
691 | { |
692 | struct per_pid *new_list, *p, *cursor, *prev; | |
693 | /* sort by ppid first, then by pid, lowest to highest */ | |
694 | ||
695 | new_list = NULL; | |
696 | ||
5e22f6d2 ACM |
697 | while (tchart->all_data) { |
698 | p = tchart->all_data; | |
699 | tchart->all_data = p->next; | |
10274989 AV |
700 | p->next = NULL; |
701 | ||
702 | if (new_list == NULL) { | |
703 | new_list = p; | |
704 | p->next = NULL; | |
705 | continue; | |
706 | } | |
707 | prev = NULL; | |
708 | cursor = new_list; | |
709 | while (cursor) { | |
710 | if (cursor->ppid > p->ppid || | |
711 | (cursor->ppid == p->ppid && cursor->pid > p->pid)) { | |
712 | /* must insert before */ | |
713 | if (prev) { | |
714 | p->next = prev->next; | |
715 | prev->next = p; | |
716 | cursor = NULL; | |
717 | continue; | |
718 | } else { | |
719 | p->next = new_list; | |
720 | new_list = p; | |
721 | cursor = NULL; | |
722 | continue; | |
723 | } | |
724 | } | |
725 | ||
726 | prev = cursor; | |
727 | cursor = cursor->next; | |
728 | if (!cursor) | |
729 | prev->next = p; | |
730 | } | |
731 | } | |
5e22f6d2 | 732 | tchart->all_data = new_list; |
10274989 AV |
733 | } |
734 | ||
735 | ||
985b12e6 | 736 | static void draw_c_p_states(struct timechart *tchart) |
10274989 AV |
737 | { |
738 | struct power_event *pwr; | |
66cc3ada | 739 | pwr = tchart->power_events; |
10274989 AV |
740 | |
741 | /* | |
742 | * two pass drawing so that the P state bars are on top of the C state blocks | |
743 | */ | |
744 | while (pwr) { | |
745 | if (pwr->type == CSTATE) | |
746 | svg_cstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); | |
747 | pwr = pwr->next; | |
748 | } | |
749 | ||
66cc3ada | 750 | pwr = tchart->power_events; |
10274989 AV |
751 | while (pwr) { |
752 | if (pwr->type == PSTATE) { | |
753 | if (!pwr->state) | |
985b12e6 | 754 | pwr->state = tchart->min_freq; |
10274989 AV |
755 | svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); |
756 | } | |
757 | pwr = pwr->next; | |
758 | } | |
759 | } | |
760 | ||
5e22f6d2 | 761 | static void draw_wakeups(struct timechart *tchart) |
10274989 AV |
762 | { |
763 | struct wake_event *we; | |
764 | struct per_pid *p; | |
765 | struct per_pidcomm *c; | |
766 | ||
436b0da0 | 767 | we = tchart->wake_events; |
10274989 AV |
768 | while (we) { |
769 | int from = 0, to = 0; | |
4f1202c8 | 770 | char *task_from = NULL, *task_to = NULL; |
10274989 AV |
771 | |
772 | /* locate the column of the waker and wakee */ | |
5e22f6d2 | 773 | p = tchart->all_data; |
10274989 AV |
774 | while (p) { |
775 | if (p->pid == we->waker || p->pid == we->wakee) { | |
776 | c = p->all; | |
777 | while (c) { | |
778 | if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { | |
bbe2987b | 779 | if (p->pid == we->waker && !from) { |
10274989 | 780 | from = c->Y; |
3bc2a39c | 781 | task_from = strdup(c->comm); |
4f1202c8 | 782 | } |
bbe2987b | 783 | if (p->pid == we->wakee && !to) { |
10274989 | 784 | to = c->Y; |
3bc2a39c | 785 | task_to = strdup(c->comm); |
4f1202c8 | 786 | } |
10274989 AV |
787 | } |
788 | c = c->next; | |
789 | } | |
3bc2a39c AV |
790 | c = p->all; |
791 | while (c) { | |
792 | if (p->pid == we->waker && !from) { | |
793 | from = c->Y; | |
794 | task_from = strdup(c->comm); | |
795 | } | |
796 | if (p->pid == we->wakee && !to) { | |
797 | to = c->Y; | |
798 | task_to = strdup(c->comm); | |
799 | } | |
800 | c = c->next; | |
801 | } | |
10274989 AV |
802 | } |
803 | p = p->next; | |
804 | } | |
805 | ||
3bc2a39c AV |
806 | if (!task_from) { |
807 | task_from = malloc(40); | |
808 | sprintf(task_from, "[%i]", we->waker); | |
809 | } | |
810 | if (!task_to) { | |
811 | task_to = malloc(40); | |
812 | sprintf(task_to, "[%i]", we->wakee); | |
813 | } | |
814 | ||
10274989 | 815 | if (we->waker == -1) |
6f8d67fa | 816 | svg_interrupt(we->time, to, we->backtrace); |
10274989 | 817 | else if (from && to && abs(from - to) == 1) |
6f8d67fa | 818 | svg_wakeline(we->time, from, to, we->backtrace); |
10274989 | 819 | else |
6f8d67fa SF |
820 | svg_partial_wakeline(we->time, from, task_from, to, |
821 | task_to, we->backtrace); | |
10274989 | 822 | we = we->next; |
3bc2a39c AV |
823 | |
824 | free(task_from); | |
825 | free(task_to); | |
10274989 AV |
826 | } |
827 | } | |
828 | ||
5e22f6d2 | 829 | static void draw_cpu_usage(struct timechart *tchart) |
10274989 AV |
830 | { |
831 | struct per_pid *p; | |
832 | struct per_pidcomm *c; | |
833 | struct cpu_sample *sample; | |
5e22f6d2 | 834 | p = tchart->all_data; |
10274989 AV |
835 | while (p) { |
836 | c = p->all; | |
837 | while (c) { | |
838 | sample = c->samples; | |
839 | while (sample) { | |
8b6dcca0 SF |
840 | if (sample->type == TYPE_RUNNING) { |
841 | svg_process(sample->cpu, | |
842 | sample->start_time, | |
843 | sample->end_time, | |
844 | "sample", | |
845 | c->comm, | |
846 | sample->backtrace); | |
847 | } | |
10274989 AV |
848 | |
849 | sample = sample->next; | |
850 | } | |
851 | c = c->next; | |
852 | } | |
853 | p = p->next; | |
854 | } | |
855 | } | |
856 | ||
985b12e6 | 857 | static void draw_process_bars(struct timechart *tchart) |
10274989 AV |
858 | { |
859 | struct per_pid *p; | |
860 | struct per_pidcomm *c; | |
861 | struct cpu_sample *sample; | |
862 | int Y = 0; | |
863 | ||
985b12e6 | 864 | Y = 2 * tchart->numcpus + 2; |
10274989 | 865 | |
5e22f6d2 | 866 | p = tchart->all_data; |
10274989 AV |
867 | while (p) { |
868 | c = p->all; | |
869 | while (c) { | |
870 | if (!c->display) { | |
871 | c->Y = 0; | |
872 | c = c->next; | |
873 | continue; | |
874 | } | |
875 | ||
a92fe7b3 | 876 | svg_box(Y, c->start_time, c->end_time, "process"); |
10274989 AV |
877 | sample = c->samples; |
878 | while (sample) { | |
879 | if (sample->type == TYPE_RUNNING) | |
6f8d67fa SF |
880 | svg_running(Y, sample->cpu, |
881 | sample->start_time, | |
882 | sample->end_time, | |
883 | sample->backtrace); | |
10274989 | 884 | if (sample->type == TYPE_BLOCKED) |
6f8d67fa SF |
885 | svg_blocked(Y, sample->cpu, |
886 | sample->start_time, | |
887 | sample->end_time, | |
888 | sample->backtrace); | |
10274989 | 889 | if (sample->type == TYPE_WAITING) |
6f8d67fa SF |
890 | svg_waiting(Y, sample->cpu, |
891 | sample->start_time, | |
892 | sample->end_time, | |
893 | sample->backtrace); | |
10274989 AV |
894 | sample = sample->next; |
895 | } | |
896 | ||
897 | if (c->comm) { | |
898 | char comm[256]; | |
899 | if (c->total_time > 5000000000) /* 5 seconds */ | |
900 | sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / 1000000000.0); | |
901 | else | |
902 | sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / 1000000.0); | |
903 | ||
904 | svg_text(Y, c->start_time, comm); | |
905 | } | |
906 | c->Y = Y; | |
907 | Y++; | |
908 | c = c->next; | |
909 | } | |
910 | p = p->next; | |
911 | } | |
912 | } | |
913 | ||
bbe2987b AV |
914 | static void add_process_filter(const char *string) |
915 | { | |
e0dcd6fb ACM |
916 | int pid = strtoull(string, NULL, 10); |
917 | struct process_filter *filt = malloc(sizeof(*filt)); | |
bbe2987b | 918 | |
bbe2987b AV |
919 | if (!filt) |
920 | return; | |
921 | ||
922 | filt->name = strdup(string); | |
923 | filt->pid = pid; | |
924 | filt->next = process_filter; | |
925 | ||
926 | process_filter = filt; | |
927 | } | |
928 | ||
929 | static int passes_filter(struct per_pid *p, struct per_pidcomm *c) | |
930 | { | |
931 | struct process_filter *filt; | |
932 | if (!process_filter) | |
933 | return 1; | |
934 | ||
935 | filt = process_filter; | |
936 | while (filt) { | |
937 | if (filt->pid && p->pid == filt->pid) | |
938 | return 1; | |
939 | if (strcmp(filt->name, c->comm) == 0) | |
940 | return 1; | |
941 | filt = filt->next; | |
942 | } | |
943 | return 0; | |
944 | } | |
945 | ||
985b12e6 | 946 | static int determine_display_tasks_filtered(struct timechart *tchart) |
bbe2987b AV |
947 | { |
948 | struct per_pid *p; | |
949 | struct per_pidcomm *c; | |
950 | int count = 0; | |
951 | ||
5e22f6d2 | 952 | p = tchart->all_data; |
bbe2987b AV |
953 | while (p) { |
954 | p->display = 0; | |
955 | if (p->start_time == 1) | |
985b12e6 | 956 | p->start_time = tchart->first_time; |
bbe2987b AV |
957 | |
958 | /* no exit marker, task kept running to the end */ | |
959 | if (p->end_time == 0) | |
985b12e6 | 960 | p->end_time = tchart->last_time; |
bbe2987b AV |
961 | |
962 | c = p->all; | |
963 | ||
964 | while (c) { | |
965 | c->display = 0; | |
966 | ||
967 | if (c->start_time == 1) | |
985b12e6 | 968 | c->start_time = tchart->first_time; |
bbe2987b AV |
969 | |
970 | if (passes_filter(p, c)) { | |
971 | c->display = 1; | |
972 | p->display = 1; | |
973 | count++; | |
974 | } | |
975 | ||
976 | if (c->end_time == 0) | |
985b12e6 | 977 | c->end_time = tchart->last_time; |
bbe2987b AV |
978 | |
979 | c = c->next; | |
980 | } | |
981 | p = p->next; | |
982 | } | |
983 | return count; | |
984 | } | |
985 | ||
985b12e6 | 986 | static int determine_display_tasks(struct timechart *tchart, u64 threshold) |
10274989 AV |
987 | { |
988 | struct per_pid *p; | |
989 | struct per_pidcomm *c; | |
990 | int count = 0; | |
991 | ||
bbe2987b | 992 | if (process_filter) |
985b12e6 | 993 | return determine_display_tasks_filtered(tchart); |
bbe2987b | 994 | |
5e22f6d2 | 995 | p = tchart->all_data; |
10274989 AV |
996 | while (p) { |
997 | p->display = 0; | |
998 | if (p->start_time == 1) | |
985b12e6 | 999 | p->start_time = tchart->first_time; |
10274989 AV |
1000 | |
1001 | /* no exit marker, task kept running to the end */ | |
1002 | if (p->end_time == 0) | |
985b12e6 | 1003 | p->end_time = tchart->last_time; |
753c505d | 1004 | if (p->total_time >= threshold) |
10274989 AV |
1005 | p->display = 1; |
1006 | ||
1007 | c = p->all; | |
1008 | ||
1009 | while (c) { | |
1010 | c->display = 0; | |
1011 | ||
1012 | if (c->start_time == 1) | |
985b12e6 | 1013 | c->start_time = tchart->first_time; |
10274989 | 1014 | |
753c505d | 1015 | if (c->total_time >= threshold) { |
10274989 AV |
1016 | c->display = 1; |
1017 | count++; | |
1018 | } | |
1019 | ||
1020 | if (c->end_time == 0) | |
985b12e6 | 1021 | c->end_time = tchart->last_time; |
10274989 AV |
1022 | |
1023 | c = c->next; | |
1024 | } | |
1025 | p = p->next; | |
1026 | } | |
1027 | return count; | |
1028 | } | |
1029 | ||
1030 | ||
1031 | ||
1032 | #define TIME_THRESH 10000000 | |
1033 | ||
985b12e6 | 1034 | static void write_svg_file(struct timechart *tchart, const char *filename) |
10274989 AV |
1035 | { |
1036 | u64 i; | |
1037 | int count; | |
0a8eb275 | 1038 | int thresh = TIME_THRESH; |
10274989 | 1039 | |
985b12e6 | 1040 | tchart->numcpus++; |
10274989 | 1041 | |
985b12e6 ACM |
1042 | if (tchart->power_only) |
1043 | tchart->proc_num = 0; | |
10274989 | 1044 | |
0a8eb275 SF |
1045 | /* We'd like to show at least proc_num tasks; |
1046 | * be less picky if we have fewer */ | |
1047 | do { | |
985b12e6 | 1048 | count = determine_display_tasks(tchart, thresh); |
0a8eb275 | 1049 | thresh /= 10; |
985b12e6 | 1050 | } while (!process_filter && thresh && count < tchart->proc_num); |
10274989 | 1051 | |
985b12e6 | 1052 | open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time); |
10274989 | 1053 | |
5094b655 | 1054 | svg_time_grid(); |
10274989 AV |
1055 | svg_legenda(); |
1056 | ||
985b12e6 ACM |
1057 | for (i = 0; i < tchart->numcpus; i++) |
1058 | svg_cpu_box(i, tchart->max_freq, tchart->turbo_frequency); | |
10274989 | 1059 | |
5e22f6d2 | 1060 | draw_cpu_usage(tchart); |
985b12e6 ACM |
1061 | if (tchart->proc_num) |
1062 | draw_process_bars(tchart); | |
1063 | if (!tchart->tasks_only) | |
1064 | draw_c_p_states(tchart); | |
1065 | if (tchart->proc_num) | |
5e22f6d2 | 1066 | draw_wakeups(tchart); |
10274989 AV |
1067 | |
1068 | svg_close(); | |
1069 | } | |
1070 | ||
985b12e6 | 1071 | static int __cmd_timechart(struct timechart *tchart, const char *output_name) |
5cbd0805 | 1072 | { |
5936678e JO |
1073 | const struct perf_evsel_str_handler power_tracepoints[] = { |
1074 | { "power:cpu_idle", process_sample_cpu_idle }, | |
1075 | { "power:cpu_frequency", process_sample_cpu_frequency }, | |
1076 | { "sched:sched_wakeup", process_sample_sched_wakeup }, | |
1077 | { "sched:sched_switch", process_sample_sched_switch }, | |
1078 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
1079 | { "power:power_start", process_sample_power_start }, | |
1080 | { "power:power_end", process_sample_power_end }, | |
1081 | { "power:power_frequency", process_sample_power_frequency }, | |
1082 | #endif | |
1083 | }; | |
f5fc1412 JO |
1084 | struct perf_data_file file = { |
1085 | .path = input_name, | |
1086 | .mode = PERF_DATA_MODE_READ, | |
1087 | }; | |
1088 | ||
1089 | struct perf_session *session = perf_session__new(&file, false, | |
985b12e6 | 1090 | &tchart->tool); |
d549c769 | 1091 | int ret = -EINVAL; |
10274989 | 1092 | |
94c744b6 ACM |
1093 | if (session == NULL) |
1094 | return -ENOMEM; | |
1095 | ||
d549c769 ACM |
1096 | if (!perf_session__has_traces(session, "timechart record")) |
1097 | goto out_delete; | |
1098 | ||
5936678e JO |
1099 | if (perf_session__set_tracepoints_handlers(session, |
1100 | power_tracepoints)) { | |
1101 | pr_err("Initializing session tracepoint handlers failed\n"); | |
1102 | goto out_delete; | |
1103 | } | |
1104 | ||
985b12e6 | 1105 | ret = perf_session__process_events(session, &tchart->tool); |
5cbd0805 | 1106 | if (ret) |
94c744b6 | 1107 | goto out_delete; |
10274989 | 1108 | |
985b12e6 | 1109 | end_sample_processing(tchart); |
10274989 | 1110 | |
5e22f6d2 | 1111 | sort_pids(tchart); |
10274989 | 1112 | |
985b12e6 | 1113 | write_svg_file(tchart, output_name); |
10274989 | 1114 | |
6beba7ad | 1115 | pr_info("Written %2.1f seconds of trace to %s.\n", |
985b12e6 | 1116 | (tchart->last_time - tchart->first_time) / 1000000000.0, output_name); |
94c744b6 ACM |
1117 | out_delete: |
1118 | perf_session__delete(session); | |
1119 | return ret; | |
10274989 AV |
1120 | } |
1121 | ||
985b12e6 | 1122 | static int timechart__record(struct timechart *tchart, int argc, const char **argv) |
3c09eebd | 1123 | { |
367b3152 SF |
1124 | unsigned int rec_argc, i, j; |
1125 | const char **rec_argv; | |
1126 | const char **p; | |
1127 | unsigned int record_elems; | |
1128 | ||
1129 | const char * const common_args[] = { | |
4a4d371a | 1130 | "record", "-a", "-R", "-c", "1", |
367b3152 SF |
1131 | }; |
1132 | unsigned int common_args_nr = ARRAY_SIZE(common_args); | |
1133 | ||
6f8d67fa SF |
1134 | const char * const backtrace_args[] = { |
1135 | "-g", | |
1136 | }; | |
1137 | unsigned int backtrace_args_no = ARRAY_SIZE(backtrace_args); | |
1138 | ||
367b3152 SF |
1139 | const char * const power_args[] = { |
1140 | "-e", "power:cpu_frequency", | |
1141 | "-e", "power:cpu_idle", | |
1142 | }; | |
1143 | unsigned int power_args_nr = ARRAY_SIZE(power_args); | |
1144 | ||
1145 | const char * const old_power_args[] = { | |
1146 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
73bdc715 ACM |
1147 | "-e", "power:power_start", |
1148 | "-e", "power:power_end", | |
1149 | "-e", "power:power_frequency", | |
73bdc715 | 1150 | #endif |
367b3152 SF |
1151 | }; |
1152 | unsigned int old_power_args_nr = ARRAY_SIZE(old_power_args); | |
1153 | ||
1154 | const char * const tasks_args[] = { | |
73bdc715 ACM |
1155 | "-e", "sched:sched_wakeup", |
1156 | "-e", "sched:sched_switch", | |
1157 | }; | |
367b3152 | 1158 | unsigned int tasks_args_nr = ARRAY_SIZE(tasks_args); |
20c457b8 TR |
1159 | |
1160 | #ifdef SUPPORT_OLD_POWER_EVENTS | |
1161 | if (!is_valid_tracepoint("power:cpu_idle") && | |
1162 | is_valid_tracepoint("power:power_start")) { | |
1163 | use_old_power_events = 1; | |
367b3152 SF |
1164 | power_args_nr = 0; |
1165 | } else { | |
1166 | old_power_args_nr = 0; | |
20c457b8 TR |
1167 | } |
1168 | #endif | |
3c09eebd | 1169 | |
985b12e6 | 1170 | if (tchart->power_only) |
367b3152 SF |
1171 | tasks_args_nr = 0; |
1172 | ||
985b12e6 | 1173 | if (tchart->tasks_only) { |
367b3152 SF |
1174 | power_args_nr = 0; |
1175 | old_power_args_nr = 0; | |
1176 | } | |
1177 | ||
985b12e6 | 1178 | if (!tchart->with_backtrace) |
6f8d67fa SF |
1179 | backtrace_args_no = 0; |
1180 | ||
367b3152 | 1181 | record_elems = common_args_nr + tasks_args_nr + |
6f8d67fa | 1182 | power_args_nr + old_power_args_nr + backtrace_args_no; |
367b3152 SF |
1183 | |
1184 | rec_argc = record_elems + argc; | |
3c09eebd AV |
1185 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
1186 | ||
ce47dc56 CS |
1187 | if (rec_argv == NULL) |
1188 | return -ENOMEM; | |
1189 | ||
367b3152 SF |
1190 | p = rec_argv; |
1191 | for (i = 0; i < common_args_nr; i++) | |
1192 | *p++ = strdup(common_args[i]); | |
1193 | ||
6f8d67fa SF |
1194 | for (i = 0; i < backtrace_args_no; i++) |
1195 | *p++ = strdup(backtrace_args[i]); | |
1196 | ||
367b3152 SF |
1197 | for (i = 0; i < tasks_args_nr; i++) |
1198 | *p++ = strdup(tasks_args[i]); | |
1199 | ||
1200 | for (i = 0; i < power_args_nr; i++) | |
1201 | *p++ = strdup(power_args[i]); | |
3c09eebd | 1202 | |
367b3152 SF |
1203 | for (i = 0; i < old_power_args_nr; i++) |
1204 | *p++ = strdup(old_power_args[i]); | |
3c09eebd | 1205 | |
367b3152 SF |
1206 | for (j = 1; j < (unsigned int)argc; j++) |
1207 | *p++ = argv[j]; | |
1208 | ||
1209 | return cmd_record(rec_argc, rec_argv, NULL); | |
3c09eebd AV |
1210 | } |
1211 | ||
bbe2987b | 1212 | static int |
1d037ca1 IT |
1213 | parse_process(const struct option *opt __maybe_unused, const char *arg, |
1214 | int __maybe_unused unset) | |
bbe2987b AV |
1215 | { |
1216 | if (arg) | |
1217 | add_process_filter(arg); | |
1218 | return 0; | |
1219 | } | |
1220 | ||
73bdc715 ACM |
1221 | int cmd_timechart(int argc, const char **argv, |
1222 | const char *prefix __maybe_unused) | |
1223 | { | |
985b12e6 ACM |
1224 | struct timechart tchart = { |
1225 | .tool = { | |
1226 | .comm = process_comm_event, | |
1227 | .fork = process_fork_event, | |
1228 | .exit = process_exit_event, | |
1229 | .sample = process_sample_event, | |
1230 | .ordered_samples = true, | |
1231 | }, | |
1232 | .proc_num = 15, | |
1233 | }; | |
73bdc715 | 1234 | const char *output_name = "output.svg"; |
367b3152 | 1235 | const struct option timechart_options[] = { |
73bdc715 ACM |
1236 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
1237 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1238 | OPT_INTEGER('w', "width", &svg_page_width, "page width"), | |
985b12e6 ACM |
1239 | OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"), |
1240 | OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, | |
c87097d3 | 1241 | "output processes data only"), |
bbe2987b AV |
1242 | OPT_CALLBACK('p', "process", NULL, "process", |
1243 | "process selector. Pass a pid or process name.", | |
1244 | parse_process), | |
ec5761ea DA |
1245 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
1246 | "Look for files with symbols relative to this directory"), | |
985b12e6 | 1247 | OPT_INTEGER('n', "proc-num", &tchart.proc_num, |
54874e32 | 1248 | "min. number of tasks to print"), |
10274989 | 1249 | OPT_END() |
73bdc715 ACM |
1250 | }; |
1251 | const char * const timechart_usage[] = { | |
1252 | "perf timechart [<options>] {record}", | |
1253 | NULL | |
1254 | }; | |
10274989 | 1255 | |
367b3152 | 1256 | const struct option record_options[] = { |
985b12e6 ACM |
1257 | OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"), |
1258 | OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, | |
367b3152 | 1259 | "output processes data only"), |
985b12e6 | 1260 | OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"), |
367b3152 SF |
1261 | OPT_END() |
1262 | }; | |
1263 | const char * const record_usage[] = { | |
1264 | "perf timechart record [<options>]", | |
1265 | NULL | |
1266 | }; | |
1267 | argc = parse_options(argc, argv, timechart_options, timechart_usage, | |
3c09eebd | 1268 | PARSE_OPT_STOP_AT_NON_OPTION); |
10274989 | 1269 | |
985b12e6 | 1270 | if (tchart.power_only && tchart.tasks_only) { |
c87097d3 SF |
1271 | pr_err("-P and -T options cannot be used at the same time.\n"); |
1272 | return -1; | |
1273 | } | |
1274 | ||
655000e7 ACM |
1275 | symbol__init(); |
1276 | ||
367b3152 SF |
1277 | if (argc && !strncmp(argv[0], "rec", 3)) { |
1278 | argc = parse_options(argc, argv, record_options, record_usage, | |
1279 | PARSE_OPT_STOP_AT_NON_OPTION); | |
1280 | ||
985b12e6 | 1281 | if (tchart.power_only && tchart.tasks_only) { |
367b3152 SF |
1282 | pr_err("-P and -T options cannot be used at the same time.\n"); |
1283 | return -1; | |
1284 | } | |
1285 | ||
985b12e6 | 1286 | return timechart__record(&tchart, argc, argv); |
367b3152 SF |
1287 | } else if (argc) |
1288 | usage_with_options(timechart_usage, timechart_options); | |
10274989 AV |
1289 | |
1290 | setup_pager(); | |
1291 | ||
985b12e6 | 1292 | return __cmd_timechart(&tchart, output_name); |
10274989 | 1293 | } |