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Arjan van de Ven10274982009-09-12 07:53:05 +02001/*
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
Jiri Olsac85cffa2013-07-11 17:28:29 +020015#include <traceevent/event-parse.h>
16
Arjan van de Ven10274982009-09-12 07:53:05 +020017#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"
Jiri Olsa59366782013-07-11 17:28:30 +020024#include "util/evlist.h"
Arnaldo Carvalho de Meloe3f42602011-11-16 17:02:54 -020025#include "util/evsel.h"
Arjan van de Ven10274982009-09-12 07:53:05 +020026#include <linux/rbtree.h>
27#include "util/symbol.h"
Arjan van de Ven10274982009-09-12 07:53:05 +020028#include "util/callchain.h"
29#include "util/strlist.h"
30
31#include "perf.h"
32#include "util/header.h"
Josh Poimboeuf4b6ab942015-12-15 09:39:39 -060033#include <subcmd/parse-options.h>
Arjan van de Ven10274982009-09-12 07:53:05 +020034#include "util/parse-events.h"
Li Zefan5cbd0802009-12-01 14:05:16 +080035#include "util/event.h"
Arnaldo Carvalho de Melo301a0b02009-12-13 19:50:25 -020036#include "util/session.h"
Arjan van de Ven10274982009-09-12 07:53:05 +020037#include "util/svghelper.h"
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -020038#include "util/tool.h"
Jiri Olsaf5fc1412013-10-15 16:27:32 +020039#include "util/data.h"
Jiri Olsa84f5d362014-07-14 23:46:48 +020040#include "util/debug.h"
Arjan van de Ven10274982009-09-12 07:53:05 +020041
Thomas Renninger20c457b2011-01-03 17:50:45 +010042#define SUPPORT_OLD_POWER_EVENTS 1
43#define PWR_EVENT_EXIT -1
44
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -030045struct per_pid;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -030046struct power_event;
Arnaldo Carvalho de Melo436b0da2013-11-28 13:26:33 -030047struct wake_event;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -030048
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -030049struct timechart {
50 struct perf_tool tool;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -030051 struct per_pid *all_data;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -030052 struct power_event *power_events;
Arnaldo Carvalho de Melo436b0da2013-11-28 13:26:33 -030053 struct wake_event *wake_events;
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -030054 int proc_num;
55 unsigned int numcpus;
56 u64 min_freq, /* Lowest CPU frequency seen */
57 max_freq, /* Highest CPU frequency seen */
58 turbo_frequency,
59 first_time, last_time;
60 bool power_only,
61 tasks_only,
Stanislav Fomichevc5079992013-12-02 18:37:36 +040062 with_backtrace,
63 topology;
Arnaldo Carvalho de Melo86066062015-05-15 17:29:56 -030064 bool force;
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +040065 /* IO related settings */
Stanislav Fomichevd2431442014-07-08 20:03:43 +040066 bool io_only,
67 skip_eagain;
Arnaldo Carvalho de Melo86066062015-05-15 17:29:56 -030068 u64 io_events;
Stanislav Fomichevd2431442014-07-08 20:03:43 +040069 u64 min_time,
70 merge_dist;
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -030071};
Arjan van de Ven10274982009-09-12 07:53:05 +020072
Arjan van de Ven10274982009-09-12 07:53:05 +020073struct per_pidcomm;
Arjan van de Ven10274982009-09-12 07:53:05 +020074struct cpu_sample;
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +040075struct io_sample;
Arjan van de Ven10274982009-09-12 07:53:05 +020076
77/*
78 * Datastructure layout:
79 * We keep an list of "pid"s, matching the kernels notion of a task struct.
80 * Each "pid" entry, has a list of "comm"s.
81 * this is because we want to track different programs different, while
82 * exec will reuse the original pid (by design).
83 * Each comm has a list of samples that will be used to draw
84 * final graph.
85 */
86
87struct per_pid {
88 struct per_pid *next;
89
90 int pid;
91 int ppid;
92
93 u64 start_time;
94 u64 end_time;
95 u64 total_time;
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +040096 u64 total_bytes;
Arjan van de Ven10274982009-09-12 07:53:05 +020097 int display;
98
99 struct per_pidcomm *all;
100 struct per_pidcomm *current;
Arjan van de Ven10274982009-09-12 07:53:05 +0200101};
102
103
104struct per_pidcomm {
105 struct per_pidcomm *next;
106
107 u64 start_time;
108 u64 end_time;
109 u64 total_time;
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +0400110 u64 max_bytes;
111 u64 total_bytes;
Arjan van de Ven10274982009-09-12 07:53:05 +0200112
113 int Y;
114 int display;
115
116 long state;
117 u64 state_since;
118
119 char *comm;
120
121 struct cpu_sample *samples;
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +0400122 struct io_sample *io_samples;
Arjan van de Ven10274982009-09-12 07:53:05 +0200123};
124
125struct sample_wrapper {
126 struct sample_wrapper *next;
127
128 u64 timestamp;
129 unsigned char data[0];
130};
131
132#define TYPE_NONE 0
133#define TYPE_RUNNING 1
134#define TYPE_WAITING 2
135#define TYPE_BLOCKED 3
136
137struct cpu_sample {
138 struct cpu_sample *next;
139
140 u64 start_time;
141 u64 end_time;
142 int type;
143 int cpu;
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400144 const char *backtrace;
Arjan van de Ven10274982009-09-12 07:53:05 +0200145};
146
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +0400147enum {
148 IOTYPE_READ,
149 IOTYPE_WRITE,
150 IOTYPE_SYNC,
151 IOTYPE_TX,
152 IOTYPE_RX,
153 IOTYPE_POLL,
154};
155
156struct io_sample {
157 struct io_sample *next;
158
159 u64 start_time;
160 u64 end_time;
161 u64 bytes;
162 int type;
163 int fd;
164 int err;
165 int merges;
166};
167
Arjan van de Ven10274982009-09-12 07:53:05 +0200168#define CSTATE 1
169#define PSTATE 2
170
171struct power_event {
172 struct power_event *next;
173 int type;
174 int state;
175 u64 start_time;
176 u64 end_time;
177 int cpu;
178};
179
180struct wake_event {
181 struct wake_event *next;
182 int waker;
183 int wakee;
184 u64 time;
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400185 const char *backtrace;
Arjan van de Ven10274982009-09-12 07:53:05 +0200186};
187
Arjan van de Venbbe29872009-10-20 07:09:39 +0900188struct process_filter {
Li Zefan5cbd0802009-12-01 14:05:16 +0800189 char *name;
190 int pid;
191 struct process_filter *next;
Arjan van de Venbbe29872009-10-20 07:09:39 +0900192};
193
194static struct process_filter *process_filter;
195
196
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300197static struct per_pid *find_create_pid(struct timechart *tchart, int pid)
Arjan van de Ven10274982009-09-12 07:53:05 +0200198{
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300199 struct per_pid *cursor = tchart->all_data;
Arjan van de Ven10274982009-09-12 07:53:05 +0200200
201 while (cursor) {
202 if (cursor->pid == pid)
203 return cursor;
204 cursor = cursor->next;
205 }
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300206 cursor = zalloc(sizeof(*cursor));
Arjan van de Ven10274982009-09-12 07:53:05 +0200207 assert(cursor != NULL);
Arjan van de Ven10274982009-09-12 07:53:05 +0200208 cursor->pid = pid;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300209 cursor->next = tchart->all_data;
210 tchart->all_data = cursor;
Arjan van de Ven10274982009-09-12 07:53:05 +0200211 return cursor;
212}
213
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300214static void pid_set_comm(struct timechart *tchart, int pid, char *comm)
Arjan van de Ven10274982009-09-12 07:53:05 +0200215{
216 struct per_pid *p;
217 struct per_pidcomm *c;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300218 p = find_create_pid(tchart, pid);
Arjan van de Ven10274982009-09-12 07:53:05 +0200219 c = p->all;
220 while (c) {
221 if (c->comm && strcmp(c->comm, comm) == 0) {
222 p->current = c;
223 return;
224 }
225 if (!c->comm) {
226 c->comm = strdup(comm);
227 p->current = c;
228 return;
229 }
230 c = c->next;
231 }
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300232 c = zalloc(sizeof(*c));
Arjan van de Ven10274982009-09-12 07:53:05 +0200233 assert(c != NULL);
Arjan van de Ven10274982009-09-12 07:53:05 +0200234 c->comm = strdup(comm);
235 p->current = c;
236 c->next = p->all;
237 p->all = c;
238}
239
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300240static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp)
Arjan van de Ven10274982009-09-12 07:53:05 +0200241{
242 struct per_pid *p, *pp;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300243 p = find_create_pid(tchart, pid);
244 pp = find_create_pid(tchart, ppid);
Arjan van de Ven10274982009-09-12 07:53:05 +0200245 p->ppid = ppid;
246 if (pp->current && pp->current->comm && !p->current)
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300247 pid_set_comm(tchart, pid, pp->current->comm);
Arjan van de Ven10274982009-09-12 07:53:05 +0200248
249 p->start_time = timestamp;
Stanislav Fomichev962e3102014-07-08 20:03:42 +0400250 if (p->current && !p->current->start_time) {
Arjan van de Ven10274982009-09-12 07:53:05 +0200251 p->current->start_time = timestamp;
252 p->current->state_since = timestamp;
253 }
254}
255
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300256static void pid_exit(struct timechart *tchart, int pid, u64 timestamp)
Arjan van de Ven10274982009-09-12 07:53:05 +0200257{
258 struct per_pid *p;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300259 p = find_create_pid(tchart, pid);
Arjan van de Ven10274982009-09-12 07:53:05 +0200260 p->end_time = timestamp;
261 if (p->current)
262 p->current->end_time = timestamp;
263}
264
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300265static void pid_put_sample(struct timechart *tchart, int pid, int type,
266 unsigned int cpu, u64 start, u64 end,
267 const char *backtrace)
Arjan van de Ven10274982009-09-12 07:53:05 +0200268{
269 struct per_pid *p;
270 struct per_pidcomm *c;
271 struct cpu_sample *sample;
272
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300273 p = find_create_pid(tchart, pid);
Arjan van de Ven10274982009-09-12 07:53:05 +0200274 c = p->current;
275 if (!c) {
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300276 c = zalloc(sizeof(*c));
Arjan van de Ven10274982009-09-12 07:53:05 +0200277 assert(c != NULL);
Arjan van de Ven10274982009-09-12 07:53:05 +0200278 p->current = c;
279 c->next = p->all;
280 p->all = c;
281 }
282
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300283 sample = zalloc(sizeof(*sample));
Arjan van de Ven10274982009-09-12 07:53:05 +0200284 assert(sample != NULL);
Arjan van de Ven10274982009-09-12 07:53:05 +0200285 sample->start_time = start;
286 sample->end_time = end;
287 sample->type = type;
288 sample->next = c->samples;
289 sample->cpu = cpu;
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400290 sample->backtrace = backtrace;
Arjan van de Ven10274982009-09-12 07:53:05 +0200291 c->samples = sample;
292
293 if (sample->type == TYPE_RUNNING && end > start && start > 0) {
294 c->total_time += (end-start);
295 p->total_time += (end-start);
296 }
297
298 if (c->start_time == 0 || c->start_time > start)
299 c->start_time = start;
300 if (p->start_time == 0 || p->start_time > start)
301 p->start_time = start;
Arjan van de Ven10274982009-09-12 07:53:05 +0200302}
303
304#define MAX_CPUS 4096
305
306static u64 cpus_cstate_start_times[MAX_CPUS];
307static int cpus_cstate_state[MAX_CPUS];
308static u64 cpus_pstate_start_times[MAX_CPUS];
309static u64 cpus_pstate_state[MAX_CPUS];
310
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300311static int process_comm_event(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200312 union perf_event *event,
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300313 struct perf_sample *sample __maybe_unused,
314 struct machine *machine __maybe_unused)
Arjan van de Ven10274982009-09-12 07:53:05 +0200315{
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300316 struct timechart *tchart = container_of(tool, struct timechart, tool);
317 pid_set_comm(tchart, event->comm.tid, event->comm.comm);
Arjan van de Ven10274982009-09-12 07:53:05 +0200318 return 0;
319}
Arnaldo Carvalho de Melod8f66242009-12-13 19:50:24 -0200320
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300321static int process_fork_event(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200322 union perf_event *event,
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300323 struct perf_sample *sample __maybe_unused,
324 struct machine *machine __maybe_unused)
Arjan van de Ven10274982009-09-12 07:53:05 +0200325{
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300326 struct timechart *tchart = container_of(tool, struct timechart, tool);
327 pid_fork(tchart, event->fork.pid, event->fork.ppid, event->fork.time);
Arjan van de Ven10274982009-09-12 07:53:05 +0200328 return 0;
329}
330
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300331static int process_exit_event(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200332 union perf_event *event,
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300333 struct perf_sample *sample __maybe_unused,
334 struct machine *machine __maybe_unused)
Arjan van de Ven10274982009-09-12 07:53:05 +0200335{
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300336 struct timechart *tchart = container_of(tool, struct timechart, tool);
337 pid_exit(tchart, event->fork.pid, event->fork.time);
Arjan van de Ven10274982009-09-12 07:53:05 +0200338 return 0;
339}
340
Thomas Renninger20c457b2011-01-03 17:50:45 +0100341#ifdef SUPPORT_OLD_POWER_EVENTS
342static int use_old_power_events;
Thomas Renninger20c457b2011-01-03 17:50:45 +0100343#endif
344
Arjan van de Ven10274982009-09-12 07:53:05 +0200345static void c_state_start(int cpu, u64 timestamp, int state)
346{
347 cpus_cstate_start_times[cpu] = timestamp;
348 cpus_cstate_state[cpu] = state;
349}
350
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300351static void c_state_end(struct timechart *tchart, int cpu, u64 timestamp)
Arjan van de Ven10274982009-09-12 07:53:05 +0200352{
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300353 struct power_event *pwr = zalloc(sizeof(*pwr));
354
Arjan van de Ven10274982009-09-12 07:53:05 +0200355 if (!pwr)
356 return;
Arjan van de Ven10274982009-09-12 07:53:05 +0200357
358 pwr->state = cpus_cstate_state[cpu];
359 pwr->start_time = cpus_cstate_start_times[cpu];
360 pwr->end_time = timestamp;
361 pwr->cpu = cpu;
362 pwr->type = CSTATE;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300363 pwr->next = tchart->power_events;
Arjan van de Ven10274982009-09-12 07:53:05 +0200364
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300365 tchart->power_events = pwr;
Arjan van de Ven10274982009-09-12 07:53:05 +0200366}
367
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300368static void p_state_change(struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq)
Arjan van de Ven10274982009-09-12 07:53:05 +0200369{
370 struct power_event *pwr;
Arjan van de Ven10274982009-09-12 07:53:05 +0200371
372 if (new_freq > 8000000) /* detect invalid data */
373 return;
374
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300375 pwr = zalloc(sizeof(*pwr));
Arjan van de Ven10274982009-09-12 07:53:05 +0200376 if (!pwr)
377 return;
Arjan van de Ven10274982009-09-12 07:53:05 +0200378
379 pwr->state = cpus_pstate_state[cpu];
380 pwr->start_time = cpus_pstate_start_times[cpu];
381 pwr->end_time = timestamp;
382 pwr->cpu = cpu;
383 pwr->type = PSTATE;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300384 pwr->next = tchart->power_events;
Arjan van de Ven10274982009-09-12 07:53:05 +0200385
386 if (!pwr->start_time)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300387 pwr->start_time = tchart->first_time;
Arjan van de Ven10274982009-09-12 07:53:05 +0200388
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300389 tchart->power_events = pwr;
Arjan van de Ven10274982009-09-12 07:53:05 +0200390
391 cpus_pstate_state[cpu] = new_freq;
392 cpus_pstate_start_times[cpu] = timestamp;
393
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300394 if ((u64)new_freq > tchart->max_freq)
395 tchart->max_freq = new_freq;
Arjan van de Ven10274982009-09-12 07:53:05 +0200396
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300397 if (new_freq < tchart->min_freq || tchart->min_freq == 0)
398 tchart->min_freq = new_freq;
Arjan van de Ven10274982009-09-12 07:53:05 +0200399
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300400 if (new_freq == tchart->max_freq - 1000)
401 tchart->turbo_frequency = tchart->max_freq;
Arjan van de Ven10274982009-09-12 07:53:05 +0200402}
403
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300404static void sched_wakeup(struct timechart *tchart, int cpu, u64 timestamp,
405 int waker, int wakee, u8 flags, const char *backtrace)
Arjan van de Ven10274982009-09-12 07:53:05 +0200406{
Arjan van de Ven10274982009-09-12 07:53:05 +0200407 struct per_pid *p;
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300408 struct wake_event *we = zalloc(sizeof(*we));
Arjan van de Ven10274982009-09-12 07:53:05 +0200409
Arjan van de Ven10274982009-09-12 07:53:05 +0200410 if (!we)
411 return;
412
Arjan van de Ven10274982009-09-12 07:53:05 +0200413 we->time = timestamp;
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400414 we->waker = waker;
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400415 we->backtrace = backtrace;
Arjan van de Ven10274982009-09-12 07:53:05 +0200416
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400417 if ((flags & TRACE_FLAG_HARDIRQ) || (flags & TRACE_FLAG_SOFTIRQ))
Arjan van de Ven10274982009-09-12 07:53:05 +0200418 we->waker = -1;
419
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400420 we->wakee = wakee;
Arnaldo Carvalho de Melo436b0da2013-11-28 13:26:33 -0300421 we->next = tchart->wake_events;
422 tchart->wake_events = we;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300423 p = find_create_pid(tchart, we->wakee);
Arjan van de Ven10274982009-09-12 07:53:05 +0200424
425 if (p && p->current && p->current->state == TYPE_NONE) {
426 p->current->state_since = timestamp;
427 p->current->state = TYPE_WAITING;
428 }
429 if (p && p->current && p->current->state == TYPE_BLOCKED) {
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300430 pid_put_sample(tchart, p->pid, p->current->state, cpu,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400431 p->current->state_since, timestamp, NULL);
Arjan van de Ven10274982009-09-12 07:53:05 +0200432 p->current->state_since = timestamp;
433 p->current->state = TYPE_WAITING;
434 }
435}
436
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300437static void sched_switch(struct timechart *tchart, int cpu, u64 timestamp,
438 int prev_pid, int next_pid, u64 prev_state,
439 const char *backtrace)
Arjan van de Ven10274982009-09-12 07:53:05 +0200440{
441 struct per_pid *p = NULL, *prev_p;
Arjan van de Ven10274982009-09-12 07:53:05 +0200442
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300443 prev_p = find_create_pid(tchart, prev_pid);
Arjan van de Ven10274982009-09-12 07:53:05 +0200444
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300445 p = find_create_pid(tchart, next_pid);
Arjan van de Ven10274982009-09-12 07:53:05 +0200446
447 if (prev_p->current && prev_p->current->state != TYPE_NONE)
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300448 pid_put_sample(tchart, prev_pid, TYPE_RUNNING, cpu,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400449 prev_p->current->state_since, timestamp,
450 backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +0200451 if (p && p->current) {
452 if (p->current->state != TYPE_NONE)
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300453 pid_put_sample(tchart, next_pid, p->current->state, cpu,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400454 p->current->state_since, timestamp,
455 backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +0200456
Julia Lawall33e26a12010-08-05 22:27:51 +0200457 p->current->state_since = timestamp;
458 p->current->state = TYPE_RUNNING;
Arjan van de Ven10274982009-09-12 07:53:05 +0200459 }
460
461 if (prev_p->current) {
462 prev_p->current->state = TYPE_NONE;
463 prev_p->current->state_since = timestamp;
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400464 if (prev_state & 2)
Arjan van de Ven10274982009-09-12 07:53:05 +0200465 prev_p->current->state = TYPE_BLOCKED;
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400466 if (prev_state == 0)
Arjan van de Ven10274982009-09-12 07:53:05 +0200467 prev_p->current->state = TYPE_WAITING;
468 }
469}
470
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400471static const char *cat_backtrace(union perf_event *event,
472 struct perf_sample *sample,
473 struct machine *machine)
474{
475 struct addr_location al;
476 unsigned int i;
477 char *p = NULL;
478 size_t p_len;
479 u8 cpumode = PERF_RECORD_MISC_USER;
480 struct addr_location tal;
481 struct ip_callchain *chain = sample->callchain;
482 FILE *f = open_memstream(&p, &p_len);
483
484 if (!f) {
485 perror("open_memstream error");
486 return NULL;
487 }
488
489 if (!chain)
490 goto exit;
491
492 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
493 fprintf(stderr, "problem processing %d event, skipping it.\n",
494 event->header.type);
495 goto exit;
496 }
497
498 for (i = 0; i < chain->nr; i++) {
499 u64 ip;
500
501 if (callchain_param.order == ORDER_CALLEE)
502 ip = chain->ips[i];
503 else
504 ip = chain->ips[chain->nr - i - 1];
505
506 if (ip >= PERF_CONTEXT_MAX) {
507 switch (ip) {
508 case PERF_CONTEXT_HV:
509 cpumode = PERF_RECORD_MISC_HYPERVISOR;
510 break;
511 case PERF_CONTEXT_KERNEL:
512 cpumode = PERF_RECORD_MISC_KERNEL;
513 break;
514 case PERF_CONTEXT_USER:
515 cpumode = PERF_RECORD_MISC_USER;
516 break;
517 default:
518 pr_debug("invalid callchain context: "
519 "%"PRId64"\n", (s64) ip);
520
521 /*
522 * It seems the callchain is corrupted.
523 * Discard all.
524 */
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -0300525 zfree(&p);
Arnaldo Carvalho de Melob91fc392015-04-06 20:43:22 -0300526 goto exit_put;
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400527 }
528 continue;
529 }
530
Namhyung Kimb3cef7f2014-03-17 16:59:21 -0300531 tal.filtered = 0;
Arnaldo Carvalho de Melobb871a92014-10-23 12:50:25 -0300532 thread__find_addr_location(al.thread, cpumode,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400533 MAP__FUNCTION, ip, &tal);
534
535 if (tal.sym)
536 fprintf(f, "..... %016" PRIx64 " %s\n", ip,
537 tal.sym->name);
538 else
539 fprintf(f, "..... %016" PRIx64 "\n", ip);
540 }
Arnaldo Carvalho de Melob91fc392015-04-06 20:43:22 -0300541exit_put:
542 addr_location__put(&al);
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400543exit:
544 fclose(f);
545
546 return p;
547}
548
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300549typedef int (*tracepoint_handler)(struct timechart *tchart,
550 struct perf_evsel *evsel,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400551 struct perf_sample *sample,
552 const char *backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +0200553
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300554static int process_sample_event(struct perf_tool *tool,
Arnaldo Carvalho de Melo972ec652013-11-27 16:32:56 -0300555 union perf_event *event,
Arnaldo Carvalho de Melo8d50e5b2011-01-29 13:02:00 -0200556 struct perf_sample *sample,
Arnaldo Carvalho de Meloe3f42602011-11-16 17:02:54 -0200557 struct perf_evsel *evsel,
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300558 struct machine *machine)
Arjan van de Ven10274982009-09-12 07:53:05 +0200559{
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300560 struct timechart *tchart = container_of(tool, struct timechart, tool);
561
Arnaldo Carvalho de Meloe3f42602011-11-16 17:02:54 -0200562 if (evsel->attr.sample_type & PERF_SAMPLE_TIME) {
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300563 if (!tchart->first_time || tchart->first_time > sample->time)
564 tchart->first_time = sample->time;
565 if (tchart->last_time < sample->time)
566 tchart->last_time = sample->time;
Arjan van de Ven10274982009-09-12 07:53:05 +0200567 }
Arjan van de Ven10274982009-09-12 07:53:05 +0200568
Arnaldo Carvalho de Melo744a9712013-11-06 10:17:38 -0300569 if (evsel->handler != NULL) {
570 tracepoint_handler f = evsel->handler;
Stanislav Fomichev58b9a182013-12-02 18:37:35 +0400571 return f(tchart, evsel, sample,
572 cat_backtrace(event, sample, machine));
Arjan van de Ven10274982009-09-12 07:53:05 +0200573 }
Jiri Olsa59366782013-07-11 17:28:30 +0200574
Arjan van de Ven10274982009-09-12 07:53:05 +0200575 return 0;
576}
577
Jiri Olsa59366782013-07-11 17:28:30 +0200578static int
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300579process_sample_cpu_idle(struct timechart *tchart __maybe_unused,
580 struct perf_evsel *evsel,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400581 struct perf_sample *sample,
582 const char *backtrace __maybe_unused)
Jiri Olsa59366782013-07-11 17:28:30 +0200583{
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400584 u32 state = perf_evsel__intval(evsel, sample, "state");
585 u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
Jiri Olsa59366782013-07-11 17:28:30 +0200586
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400587 if (state == (u32)PWR_EVENT_EXIT)
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300588 c_state_end(tchart, cpu_id, sample->time);
Jiri Olsa59366782013-07-11 17:28:30 +0200589 else
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400590 c_state_start(cpu_id, sample->time, state);
Jiri Olsa59366782013-07-11 17:28:30 +0200591 return 0;
592}
593
594static int
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300595process_sample_cpu_frequency(struct timechart *tchart,
596 struct perf_evsel *evsel,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400597 struct perf_sample *sample,
598 const char *backtrace __maybe_unused)
Jiri Olsa59366782013-07-11 17:28:30 +0200599{
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400600 u32 state = perf_evsel__intval(evsel, sample, "state");
601 u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
Jiri Olsa59366782013-07-11 17:28:30 +0200602
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300603 p_state_change(tchart, cpu_id, sample->time, state);
Jiri Olsa59366782013-07-11 17:28:30 +0200604 return 0;
605}
606
607static int
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300608process_sample_sched_wakeup(struct timechart *tchart,
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300609 struct perf_evsel *evsel,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400610 struct perf_sample *sample,
611 const char *backtrace)
Jiri Olsa59366782013-07-11 17:28:30 +0200612{
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400613 u8 flags = perf_evsel__intval(evsel, sample, "common_flags");
614 int waker = perf_evsel__intval(evsel, sample, "common_pid");
615 int wakee = perf_evsel__intval(evsel, sample, "pid");
Jiri Olsa59366782013-07-11 17:28:30 +0200616
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300617 sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace);
Jiri Olsa59366782013-07-11 17:28:30 +0200618 return 0;
619}
620
621static int
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300622process_sample_sched_switch(struct timechart *tchart,
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300623 struct perf_evsel *evsel,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400624 struct perf_sample *sample,
625 const char *backtrace)
Jiri Olsa59366782013-07-11 17:28:30 +0200626{
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400627 int prev_pid = perf_evsel__intval(evsel, sample, "prev_pid");
628 int next_pid = perf_evsel__intval(evsel, sample, "next_pid");
629 u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state");
Jiri Olsa59366782013-07-11 17:28:30 +0200630
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300631 sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid,
632 prev_state, backtrace);
Jiri Olsa59366782013-07-11 17:28:30 +0200633 return 0;
634}
635
636#ifdef SUPPORT_OLD_POWER_EVENTS
637static int
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300638process_sample_power_start(struct timechart *tchart __maybe_unused,
639 struct perf_evsel *evsel,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400640 struct perf_sample *sample,
641 const char *backtrace __maybe_unused)
Jiri Olsa59366782013-07-11 17:28:30 +0200642{
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400643 u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
644 u64 value = perf_evsel__intval(evsel, sample, "value");
Jiri Olsa59366782013-07-11 17:28:30 +0200645
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400646 c_state_start(cpu_id, sample->time, value);
Jiri Olsa59366782013-07-11 17:28:30 +0200647 return 0;
648}
649
650static int
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300651process_sample_power_end(struct timechart *tchart,
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300652 struct perf_evsel *evsel __maybe_unused,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400653 struct perf_sample *sample,
654 const char *backtrace __maybe_unused)
Jiri Olsa59366782013-07-11 17:28:30 +0200655{
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300656 c_state_end(tchart, sample->cpu, sample->time);
Jiri Olsa59366782013-07-11 17:28:30 +0200657 return 0;
658}
659
660static int
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300661process_sample_power_frequency(struct timechart *tchart,
662 struct perf_evsel *evsel,
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +0400663 struct perf_sample *sample,
664 const char *backtrace __maybe_unused)
Jiri Olsa59366782013-07-11 17:28:30 +0200665{
Stanislav Fomichev3ed0d212013-11-27 14:45:00 +0400666 u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
667 u64 value = perf_evsel__intval(evsel, sample, "value");
Jiri Olsa59366782013-07-11 17:28:30 +0200668
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300669 p_state_change(tchart, cpu_id, sample->time, value);
Jiri Olsa59366782013-07-11 17:28:30 +0200670 return 0;
671}
672#endif /* SUPPORT_OLD_POWER_EVENTS */
673
Arjan van de Ven10274982009-09-12 07:53:05 +0200674/*
675 * After the last sample we need to wrap up the current C/P state
676 * and close out each CPU for these.
677 */
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300678static void end_sample_processing(struct timechart *tchart)
Arjan van de Ven10274982009-09-12 07:53:05 +0200679{
680 u64 cpu;
681 struct power_event *pwr;
682
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300683 for (cpu = 0; cpu <= tchart->numcpus; cpu++) {
Arjan van de Ven10274982009-09-12 07:53:05 +0200684 /* C state */
685#if 0
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300686 pwr = zalloc(sizeof(*pwr));
687 if (!pwr)
688 return;
689
Arjan van de Ven10274982009-09-12 07:53:05 +0200690 pwr->state = cpus_cstate_state[cpu];
691 pwr->start_time = cpus_cstate_start_times[cpu];
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300692 pwr->end_time = tchart->last_time;
Arjan van de Ven10274982009-09-12 07:53:05 +0200693 pwr->cpu = cpu;
694 pwr->type = CSTATE;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300695 pwr->next = tchart->power_events;
Arjan van de Ven10274982009-09-12 07:53:05 +0200696
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300697 tchart->power_events = pwr;
Arjan van de Ven10274982009-09-12 07:53:05 +0200698#endif
699 /* P state */
700
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -0300701 pwr = zalloc(sizeof(*pwr));
Arjan van de Ven10274982009-09-12 07:53:05 +0200702 if (!pwr)
703 return;
Arjan van de Ven10274982009-09-12 07:53:05 +0200704
705 pwr->state = cpus_pstate_state[cpu];
706 pwr->start_time = cpus_pstate_start_times[cpu];
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300707 pwr->end_time = tchart->last_time;
Arjan van de Ven10274982009-09-12 07:53:05 +0200708 pwr->cpu = cpu;
709 pwr->type = PSTATE;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300710 pwr->next = tchart->power_events;
Arjan van de Ven10274982009-09-12 07:53:05 +0200711
712 if (!pwr->start_time)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300713 pwr->start_time = tchart->first_time;
Arjan van de Ven10274982009-09-12 07:53:05 +0200714 if (!pwr->state)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -0300715 pwr->state = tchart->min_freq;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -0300716 tchart->power_events = pwr;
Arjan van de Ven10274982009-09-12 07:53:05 +0200717 }
718}
719
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +0400720static int pid_begin_io_sample(struct timechart *tchart, int pid, int type,
721 u64 start, int fd)
722{
723 struct per_pid *p = find_create_pid(tchart, pid);
724 struct per_pidcomm *c = p->current;
725 struct io_sample *sample;
726 struct io_sample *prev;
727
728 if (!c) {
729 c = zalloc(sizeof(*c));
730 if (!c)
731 return -ENOMEM;
732 p->current = c;
733 c->next = p->all;
734 p->all = c;
735 }
736
737 prev = c->io_samples;
738
739 if (prev && prev->start_time && !prev->end_time) {
740 pr_warning("Skip invalid start event: "
741 "previous event already started!\n");
742
743 /* remove previous event that has been started,
744 * we are not sure we will ever get an end for it */
745 c->io_samples = prev->next;
746 free(prev);
747 return 0;
748 }
749
750 sample = zalloc(sizeof(*sample));
751 if (!sample)
752 return -ENOMEM;
753 sample->start_time = start;
754 sample->type = type;
755 sample->fd = fd;
756 sample->next = c->io_samples;
757 c->io_samples = sample;
758
759 if (c->start_time == 0 || c->start_time > start)
760 c->start_time = start;
761
762 return 0;
763}
764
765static int pid_end_io_sample(struct timechart *tchart, int pid, int type,
766 u64 end, long ret)
767{
768 struct per_pid *p = find_create_pid(tchart, pid);
769 struct per_pidcomm *c = p->current;
Stanislav Fomichevd2431442014-07-08 20:03:43 +0400770 struct io_sample *sample, *prev;
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +0400771
772 if (!c) {
773 pr_warning("Invalid pidcomm!\n");
774 return -1;
775 }
776
777 sample = c->io_samples;
778
779 if (!sample) /* skip partially captured events */
780 return 0;
781
782 if (sample->end_time) {
783 pr_warning("Skip invalid end event: "
784 "previous event already ended!\n");
785 return 0;
786 }
787
788 if (sample->type != type) {
789 pr_warning("Skip invalid end event: invalid event type!\n");
790 return 0;
791 }
792
793 sample->end_time = end;
Stanislav Fomichevd2431442014-07-08 20:03:43 +0400794 prev = sample->next;
795
796 /* we want to be able to see small and fast transfers, so make them
797 * at least min_time long, but don't overlap them */
798 if (sample->end_time - sample->start_time < tchart->min_time)
799 sample->end_time = sample->start_time + tchart->min_time;
800 if (prev && sample->start_time < prev->end_time) {
801 if (prev->err) /* try to make errors more visible */
802 sample->start_time = prev->end_time;
803 else
804 prev->end_time = sample->start_time;
805 }
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +0400806
807 if (ret < 0) {
808 sample->err = ret;
809 } else if (type == IOTYPE_READ || type == IOTYPE_WRITE ||
810 type == IOTYPE_TX || type == IOTYPE_RX) {
811
812 if ((u64)ret > c->max_bytes)
813 c->max_bytes = ret;
814
815 c->total_bytes += ret;
816 p->total_bytes += ret;
817 sample->bytes = ret;
818 }
819
Stanislav Fomichevd2431442014-07-08 20:03:43 +0400820 /* merge two requests to make svg smaller and render-friendly */
821 if (prev &&
822 prev->type == sample->type &&
823 prev->err == sample->err &&
824 prev->fd == sample->fd &&
825 prev->end_time + tchart->merge_dist >= sample->start_time) {
826
827 sample->bytes += prev->bytes;
828 sample->merges += prev->merges + 1;
829
830 sample->start_time = prev->start_time;
831 sample->next = prev->next;
832 free(prev);
833
834 if (!sample->err && sample->bytes > c->max_bytes)
835 c->max_bytes = sample->bytes;
836 }
837
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +0400838 tchart->io_events++;
839
840 return 0;
841}
842
843static int
844process_enter_read(struct timechart *tchart,
845 struct perf_evsel *evsel,
846 struct perf_sample *sample)
847{
848 long fd = perf_evsel__intval(evsel, sample, "fd");
849 return pid_begin_io_sample(tchart, sample->tid, IOTYPE_READ,
850 sample->time, fd);
851}
852
853static int
854process_exit_read(struct timechart *tchart,
855 struct perf_evsel *evsel,
856 struct perf_sample *sample)
857{
858 long ret = perf_evsel__intval(evsel, sample, "ret");
859 return pid_end_io_sample(tchart, sample->tid, IOTYPE_READ,
860 sample->time, ret);
861}
862
863static int
864process_enter_write(struct timechart *tchart,
865 struct perf_evsel *evsel,
866 struct perf_sample *sample)
867{
868 long fd = perf_evsel__intval(evsel, sample, "fd");
869 return pid_begin_io_sample(tchart, sample->tid, IOTYPE_WRITE,
870 sample->time, fd);
871}
872
873static int
874process_exit_write(struct timechart *tchart,
875 struct perf_evsel *evsel,
876 struct perf_sample *sample)
877{
878 long ret = perf_evsel__intval(evsel, sample, "ret");
879 return pid_end_io_sample(tchart, sample->tid, IOTYPE_WRITE,
880 sample->time, ret);
881}
882
883static int
884process_enter_sync(struct timechart *tchart,
885 struct perf_evsel *evsel,
886 struct perf_sample *sample)
887{
888 long fd = perf_evsel__intval(evsel, sample, "fd");
889 return pid_begin_io_sample(tchart, sample->tid, IOTYPE_SYNC,
890 sample->time, fd);
891}
892
893static int
894process_exit_sync(struct timechart *tchart,
895 struct perf_evsel *evsel,
896 struct perf_sample *sample)
897{
898 long ret = perf_evsel__intval(evsel, sample, "ret");
899 return pid_end_io_sample(tchart, sample->tid, IOTYPE_SYNC,
900 sample->time, ret);
901}
902
903static int
904process_enter_tx(struct timechart *tchart,
905 struct perf_evsel *evsel,
906 struct perf_sample *sample)
907{
908 long fd = perf_evsel__intval(evsel, sample, "fd");
909 return pid_begin_io_sample(tchart, sample->tid, IOTYPE_TX,
910 sample->time, fd);
911}
912
913static int
914process_exit_tx(struct timechart *tchart,
915 struct perf_evsel *evsel,
916 struct perf_sample *sample)
917{
918 long ret = perf_evsel__intval(evsel, sample, "ret");
919 return pid_end_io_sample(tchart, sample->tid, IOTYPE_TX,
920 sample->time, ret);
921}
922
923static int
924process_enter_rx(struct timechart *tchart,
925 struct perf_evsel *evsel,
926 struct perf_sample *sample)
927{
928 long fd = perf_evsel__intval(evsel, sample, "fd");
929 return pid_begin_io_sample(tchart, sample->tid, IOTYPE_RX,
930 sample->time, fd);
931}
932
933static int
934process_exit_rx(struct timechart *tchart,
935 struct perf_evsel *evsel,
936 struct perf_sample *sample)
937{
938 long ret = perf_evsel__intval(evsel, sample, "ret");
939 return pid_end_io_sample(tchart, sample->tid, IOTYPE_RX,
940 sample->time, ret);
941}
942
943static int
944process_enter_poll(struct timechart *tchart,
945 struct perf_evsel *evsel,
946 struct perf_sample *sample)
947{
948 long fd = perf_evsel__intval(evsel, sample, "fd");
949 return pid_begin_io_sample(tchart, sample->tid, IOTYPE_POLL,
950 sample->time, fd);
951}
952
953static int
954process_exit_poll(struct timechart *tchart,
955 struct perf_evsel *evsel,
956 struct perf_sample *sample)
957{
958 long ret = perf_evsel__intval(evsel, sample, "ret");
959 return pid_end_io_sample(tchart, sample->tid, IOTYPE_POLL,
960 sample->time, ret);
961}
962
Arjan van de Ven10274982009-09-12 07:53:05 +0200963/*
964 * Sort the pid datastructure
965 */
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300966static void sort_pids(struct timechart *tchart)
Arjan van de Ven10274982009-09-12 07:53:05 +0200967{
968 struct per_pid *new_list, *p, *cursor, *prev;
969 /* sort by ppid first, then by pid, lowest to highest */
970
971 new_list = NULL;
972
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -0300973 while (tchart->all_data) {
974 p = tchart->all_data;
975 tchart->all_data = p->next;
Arjan van de Ven10274982009-09-12 07:53:05 +0200976 p->next = NULL;
977
978 if (new_list == NULL) {
979 new_list = p;
980 p->next = NULL;
981 continue;
982 }
983 prev = NULL;
984 cursor = new_list;
985 while (cursor) {
986 if (cursor->ppid > p->ppid ||
987 (cursor->ppid == p->ppid && cursor->pid > p->pid)) {
988 /* must insert before */
989 if (prev) {
990 p->next = prev->next;
991 prev->next = p;
992 cursor = NULL;
993 continue;
994 } else {
995 p->next = new_list;
996 new_list = p;
997 cursor = NULL;
998 continue;
999 }
1000 }
1001
1002 prev = cursor;
1003 cursor = cursor->next;
1004 if (!cursor)
1005 prev->next = p;
1006 }
1007 }
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001008 tchart->all_data = new_list;
Arjan van de Ven10274982009-09-12 07:53:05 +02001009}
1010
1011
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001012static void draw_c_p_states(struct timechart *tchart)
Arjan van de Ven10274982009-09-12 07:53:05 +02001013{
1014 struct power_event *pwr;
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -03001015 pwr = tchart->power_events;
Arjan van de Ven10274982009-09-12 07:53:05 +02001016
1017 /*
1018 * two pass drawing so that the P state bars are on top of the C state blocks
1019 */
1020 while (pwr) {
1021 if (pwr->type == CSTATE)
1022 svg_cstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state);
1023 pwr = pwr->next;
1024 }
1025
Arnaldo Carvalho de Melo66cc3ad2013-11-28 13:23:05 -03001026 pwr = tchart->power_events;
Arjan van de Ven10274982009-09-12 07:53:05 +02001027 while (pwr) {
1028 if (pwr->type == PSTATE) {
1029 if (!pwr->state)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001030 pwr->state = tchart->min_freq;
Arjan van de Ven10274982009-09-12 07:53:05 +02001031 svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state);
1032 }
1033 pwr = pwr->next;
1034 }
1035}
1036
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001037static void draw_wakeups(struct timechart *tchart)
Arjan van de Ven10274982009-09-12 07:53:05 +02001038{
1039 struct wake_event *we;
1040 struct per_pid *p;
1041 struct per_pidcomm *c;
1042
Arnaldo Carvalho de Melo436b0da2013-11-28 13:26:33 -03001043 we = tchart->wake_events;
Arjan van de Ven10274982009-09-12 07:53:05 +02001044 while (we) {
1045 int from = 0, to = 0;
Arjan van de Ven4f1202c2009-09-20 18:13:28 +02001046 char *task_from = NULL, *task_to = NULL;
Arjan van de Ven10274982009-09-12 07:53:05 +02001047
1048 /* locate the column of the waker and wakee */
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001049 p = tchart->all_data;
Arjan van de Ven10274982009-09-12 07:53:05 +02001050 while (p) {
1051 if (p->pid == we->waker || p->pid == we->wakee) {
1052 c = p->all;
1053 while (c) {
1054 if (c->Y && c->start_time <= we->time && c->end_time >= we->time) {
Arjan van de Venbbe29872009-10-20 07:09:39 +09001055 if (p->pid == we->waker && !from) {
Arjan van de Ven10274982009-09-12 07:53:05 +02001056 from = c->Y;
Arjan van de Ven3bc2a392009-10-20 06:46:49 +09001057 task_from = strdup(c->comm);
Arjan van de Ven4f1202c2009-09-20 18:13:28 +02001058 }
Arjan van de Venbbe29872009-10-20 07:09:39 +09001059 if (p->pid == we->wakee && !to) {
Arjan van de Ven10274982009-09-12 07:53:05 +02001060 to = c->Y;
Arjan van de Ven3bc2a392009-10-20 06:46:49 +09001061 task_to = strdup(c->comm);
Arjan van de Ven4f1202c2009-09-20 18:13:28 +02001062 }
Arjan van de Ven10274982009-09-12 07:53:05 +02001063 }
1064 c = c->next;
1065 }
Arjan van de Ven3bc2a392009-10-20 06:46:49 +09001066 c = p->all;
1067 while (c) {
1068 if (p->pid == we->waker && !from) {
1069 from = c->Y;
1070 task_from = strdup(c->comm);
1071 }
1072 if (p->pid == we->wakee && !to) {
1073 to = c->Y;
1074 task_to = strdup(c->comm);
1075 }
1076 c = c->next;
1077 }
Arjan van de Ven10274982009-09-12 07:53:05 +02001078 }
1079 p = p->next;
1080 }
1081
Arjan van de Ven3bc2a392009-10-20 06:46:49 +09001082 if (!task_from) {
1083 task_from = malloc(40);
1084 sprintf(task_from, "[%i]", we->waker);
1085 }
1086 if (!task_to) {
1087 task_to = malloc(40);
1088 sprintf(task_to, "[%i]", we->wakee);
1089 }
1090
Arjan van de Ven10274982009-09-12 07:53:05 +02001091 if (we->waker == -1)
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001092 svg_interrupt(we->time, to, we->backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +02001093 else if (from && to && abs(from - to) == 1)
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001094 svg_wakeline(we->time, from, to, we->backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +02001095 else
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001096 svg_partial_wakeline(we->time, from, task_from, to,
1097 task_to, we->backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +02001098 we = we->next;
Arjan van de Ven3bc2a392009-10-20 06:46:49 +09001099
1100 free(task_from);
1101 free(task_to);
Arjan van de Ven10274982009-09-12 07:53:05 +02001102 }
1103}
1104
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001105static void draw_cpu_usage(struct timechart *tchart)
Arjan van de Ven10274982009-09-12 07:53:05 +02001106{
1107 struct per_pid *p;
1108 struct per_pidcomm *c;
1109 struct cpu_sample *sample;
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001110 p = tchart->all_data;
Arjan van de Ven10274982009-09-12 07:53:05 +02001111 while (p) {
1112 c = p->all;
1113 while (c) {
1114 sample = c->samples;
1115 while (sample) {
Stanislav Fomichev8b6dcca2013-12-02 18:37:33 +04001116 if (sample->type == TYPE_RUNNING) {
1117 svg_process(sample->cpu,
1118 sample->start_time,
1119 sample->end_time,
Stanislav Fomichevde996222013-12-02 18:37:34 +04001120 p->pid,
Stanislav Fomichev8b6dcca2013-12-02 18:37:33 +04001121 c->comm,
1122 sample->backtrace);
1123 }
Arjan van de Ven10274982009-09-12 07:53:05 +02001124
1125 sample = sample->next;
1126 }
1127 c = c->next;
1128 }
1129 p = p->next;
1130 }
1131}
1132
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001133static void draw_io_bars(struct timechart *tchart)
1134{
1135 const char *suf;
1136 double bytes;
1137 char comm[256];
1138 struct per_pid *p;
1139 struct per_pidcomm *c;
1140 struct io_sample *sample;
1141 int Y = 1;
1142
1143 p = tchart->all_data;
1144 while (p) {
1145 c = p->all;
1146 while (c) {
1147 if (!c->display) {
1148 c->Y = 0;
1149 c = c->next;
1150 continue;
1151 }
1152
1153 svg_box(Y, c->start_time, c->end_time, "process3");
1154 sample = c->io_samples;
1155 for (sample = c->io_samples; sample; sample = sample->next) {
1156 double h = (double)sample->bytes / c->max_bytes;
1157
Stanislav Fomichevd2431442014-07-08 20:03:43 +04001158 if (tchart->skip_eagain &&
1159 sample->err == -EAGAIN)
1160 continue;
1161
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001162 if (sample->err)
1163 h = 1;
1164
1165 if (sample->type == IOTYPE_SYNC)
1166 svg_fbox(Y,
1167 sample->start_time,
1168 sample->end_time,
1169 1,
1170 sample->err ? "error" : "sync",
1171 sample->fd,
1172 sample->err,
1173 sample->merges);
1174 else if (sample->type == IOTYPE_POLL)
1175 svg_fbox(Y,
1176 sample->start_time,
1177 sample->end_time,
1178 1,
1179 sample->err ? "error" : "poll",
1180 sample->fd,
1181 sample->err,
1182 sample->merges);
1183 else if (sample->type == IOTYPE_READ)
1184 svg_ubox(Y,
1185 sample->start_time,
1186 sample->end_time,
1187 h,
1188 sample->err ? "error" : "disk",
1189 sample->fd,
1190 sample->err,
1191 sample->merges);
1192 else if (sample->type == IOTYPE_WRITE)
1193 svg_lbox(Y,
1194 sample->start_time,
1195 sample->end_time,
1196 h,
1197 sample->err ? "error" : "disk",
1198 sample->fd,
1199 sample->err,
1200 sample->merges);
1201 else if (sample->type == IOTYPE_RX)
1202 svg_ubox(Y,
1203 sample->start_time,
1204 sample->end_time,
1205 h,
1206 sample->err ? "error" : "net",
1207 sample->fd,
1208 sample->err,
1209 sample->merges);
1210 else if (sample->type == IOTYPE_TX)
1211 svg_lbox(Y,
1212 sample->start_time,
1213 sample->end_time,
1214 h,
1215 sample->err ? "error" : "net",
1216 sample->fd,
1217 sample->err,
1218 sample->merges);
1219 }
1220
1221 suf = "";
1222 bytes = c->total_bytes;
1223 if (bytes > 1024) {
1224 bytes = bytes / 1024;
1225 suf = "K";
1226 }
1227 if (bytes > 1024) {
1228 bytes = bytes / 1024;
1229 suf = "M";
1230 }
1231 if (bytes > 1024) {
1232 bytes = bytes / 1024;
1233 suf = "G";
1234 }
1235
1236
1237 sprintf(comm, "%s:%i (%3.1f %sbytes)", c->comm ?: "", p->pid, bytes, suf);
1238 svg_text(Y, c->start_time, comm);
1239
1240 c->Y = Y;
1241 Y++;
1242 c = c->next;
1243 }
1244 p = p->next;
1245 }
1246}
1247
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001248static void draw_process_bars(struct timechart *tchart)
Arjan van de Ven10274982009-09-12 07:53:05 +02001249{
1250 struct per_pid *p;
1251 struct per_pidcomm *c;
1252 struct cpu_sample *sample;
1253 int Y = 0;
1254
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001255 Y = 2 * tchart->numcpus + 2;
Arjan van de Ven10274982009-09-12 07:53:05 +02001256
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001257 p = tchart->all_data;
Arjan van de Ven10274982009-09-12 07:53:05 +02001258 while (p) {
1259 c = p->all;
1260 while (c) {
1261 if (!c->display) {
1262 c->Y = 0;
1263 c = c->next;
1264 continue;
1265 }
1266
Arjan van de Vena92fe7b2009-09-20 18:13:53 +02001267 svg_box(Y, c->start_time, c->end_time, "process");
Arjan van de Ven10274982009-09-12 07:53:05 +02001268 sample = c->samples;
1269 while (sample) {
1270 if (sample->type == TYPE_RUNNING)
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001271 svg_running(Y, sample->cpu,
1272 sample->start_time,
1273 sample->end_time,
1274 sample->backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +02001275 if (sample->type == TYPE_BLOCKED)
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001276 svg_blocked(Y, sample->cpu,
1277 sample->start_time,
1278 sample->end_time,
1279 sample->backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +02001280 if (sample->type == TYPE_WAITING)
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001281 svg_waiting(Y, sample->cpu,
1282 sample->start_time,
1283 sample->end_time,
1284 sample->backtrace);
Arjan van de Ven10274982009-09-12 07:53:05 +02001285 sample = sample->next;
1286 }
1287
1288 if (c->comm) {
1289 char comm[256];
1290 if (c->total_time > 5000000000) /* 5 seconds */
1291 sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / 1000000000.0);
1292 else
1293 sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / 1000000.0);
1294
1295 svg_text(Y, c->start_time, comm);
1296 }
1297 c->Y = Y;
1298 Y++;
1299 c = c->next;
1300 }
1301 p = p->next;
1302 }
1303}
1304
Arjan van de Venbbe29872009-10-20 07:09:39 +09001305static void add_process_filter(const char *string)
1306{
Arnaldo Carvalho de Meloe0dcd6f2012-09-24 11:16:40 -03001307 int pid = strtoull(string, NULL, 10);
1308 struct process_filter *filt = malloc(sizeof(*filt));
Arjan van de Venbbe29872009-10-20 07:09:39 +09001309
Arjan van de Venbbe29872009-10-20 07:09:39 +09001310 if (!filt)
1311 return;
1312
1313 filt->name = strdup(string);
1314 filt->pid = pid;
1315 filt->next = process_filter;
1316
1317 process_filter = filt;
1318}
1319
1320static int passes_filter(struct per_pid *p, struct per_pidcomm *c)
1321{
1322 struct process_filter *filt;
1323 if (!process_filter)
1324 return 1;
1325
1326 filt = process_filter;
1327 while (filt) {
1328 if (filt->pid && p->pid == filt->pid)
1329 return 1;
1330 if (strcmp(filt->name, c->comm) == 0)
1331 return 1;
1332 filt = filt->next;
1333 }
1334 return 0;
1335}
1336
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001337static int determine_display_tasks_filtered(struct timechart *tchart)
Arjan van de Venbbe29872009-10-20 07:09:39 +09001338{
1339 struct per_pid *p;
1340 struct per_pidcomm *c;
1341 int count = 0;
1342
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001343 p = tchart->all_data;
Arjan van de Venbbe29872009-10-20 07:09:39 +09001344 while (p) {
1345 p->display = 0;
1346 if (p->start_time == 1)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001347 p->start_time = tchart->first_time;
Arjan van de Venbbe29872009-10-20 07:09:39 +09001348
1349 /* no exit marker, task kept running to the end */
1350 if (p->end_time == 0)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001351 p->end_time = tchart->last_time;
Arjan van de Venbbe29872009-10-20 07:09:39 +09001352
1353 c = p->all;
1354
1355 while (c) {
1356 c->display = 0;
1357
1358 if (c->start_time == 1)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001359 c->start_time = tchart->first_time;
Arjan van de Venbbe29872009-10-20 07:09:39 +09001360
1361 if (passes_filter(p, c)) {
1362 c->display = 1;
1363 p->display = 1;
1364 count++;
1365 }
1366
1367 if (c->end_time == 0)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001368 c->end_time = tchart->last_time;
Arjan van de Venbbe29872009-10-20 07:09:39 +09001369
1370 c = c->next;
1371 }
1372 p = p->next;
1373 }
1374 return count;
1375}
1376
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001377static int determine_display_tasks(struct timechart *tchart, u64 threshold)
Arjan van de Ven10274982009-09-12 07:53:05 +02001378{
1379 struct per_pid *p;
1380 struct per_pidcomm *c;
1381 int count = 0;
1382
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001383 p = tchart->all_data;
Arjan van de Ven10274982009-09-12 07:53:05 +02001384 while (p) {
1385 p->display = 0;
1386 if (p->start_time == 1)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001387 p->start_time = tchart->first_time;
Arjan van de Ven10274982009-09-12 07:53:05 +02001388
1389 /* no exit marker, task kept running to the end */
1390 if (p->end_time == 0)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001391 p->end_time = tchart->last_time;
Stanislav Fomichev753c5052013-11-01 20:25:47 +04001392 if (p->total_time >= threshold)
Arjan van de Ven10274982009-09-12 07:53:05 +02001393 p->display = 1;
1394
1395 c = p->all;
1396
1397 while (c) {
1398 c->display = 0;
1399
1400 if (c->start_time == 1)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001401 c->start_time = tchart->first_time;
Arjan van de Ven10274982009-09-12 07:53:05 +02001402
Stanislav Fomichev753c5052013-11-01 20:25:47 +04001403 if (c->total_time >= threshold) {
Arjan van de Ven10274982009-09-12 07:53:05 +02001404 c->display = 1;
1405 count++;
1406 }
1407
1408 if (c->end_time == 0)
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001409 c->end_time = tchart->last_time;
Arjan van de Ven10274982009-09-12 07:53:05 +02001410
1411 c = c->next;
1412 }
1413 p = p->next;
1414 }
1415 return count;
1416}
1417
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001418static int determine_display_io_tasks(struct timechart *timechart, u64 threshold)
1419{
1420 struct per_pid *p;
1421 struct per_pidcomm *c;
1422 int count = 0;
Arjan van de Ven10274982009-09-12 07:53:05 +02001423
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001424 p = timechart->all_data;
1425 while (p) {
1426 /* no exit marker, task kept running to the end */
1427 if (p->end_time == 0)
1428 p->end_time = timechart->last_time;
Arjan van de Ven10274982009-09-12 07:53:05 +02001429
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001430 c = p->all;
1431
1432 while (c) {
1433 c->display = 0;
1434
1435 if (c->total_bytes >= threshold) {
1436 c->display = 1;
1437 count++;
1438 }
1439
1440 if (c->end_time == 0)
1441 c->end_time = timechart->last_time;
1442
1443 c = c->next;
1444 }
1445 p = p->next;
1446 }
1447 return count;
1448}
1449
1450#define BYTES_THRESH (1 * 1024 * 1024)
Arjan van de Ven10274982009-09-12 07:53:05 +02001451#define TIME_THRESH 10000000
1452
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001453static void write_svg_file(struct timechart *tchart, const char *filename)
Arjan van de Ven10274982009-09-12 07:53:05 +02001454{
1455 u64 i;
1456 int count;
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001457 int thresh = tchart->io_events ? BYTES_THRESH : TIME_THRESH;
Arjan van de Ven10274982009-09-12 07:53:05 +02001458
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001459 if (tchart->power_only)
1460 tchart->proc_num = 0;
Arjan van de Ven10274982009-09-12 07:53:05 +02001461
Stanislav Fomichev0a8eb272013-11-01 20:25:45 +04001462 /* We'd like to show at least proc_num tasks;
1463 * be less picky if we have fewer */
1464 do {
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001465 if (process_filter)
1466 count = determine_display_tasks_filtered(tchart);
1467 else if (tchart->io_events)
1468 count = determine_display_io_tasks(tchart, thresh);
1469 else
1470 count = determine_display_tasks(tchart, thresh);
Stanislav Fomichev0a8eb272013-11-01 20:25:45 +04001471 thresh /= 10;
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001472 } while (!process_filter && thresh && count < tchart->proc_num);
Arjan van de Ven10274982009-09-12 07:53:05 +02001473
Stanislav Fomichev3415d8b2014-01-20 15:39:38 +04001474 if (!tchart->proc_num)
1475 count = 0;
1476
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001477 if (tchart->io_events) {
1478 open_svg(filename, 0, count, tchart->first_time, tchart->last_time);
Arjan van de Ven10274982009-09-12 07:53:05 +02001479
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001480 svg_time_grid(0.5);
1481 svg_io_legenda();
Arjan van de Ven10274982009-09-12 07:53:05 +02001482
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001483 draw_io_bars(tchart);
1484 } else {
1485 open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time);
Arjan van de Ven10274982009-09-12 07:53:05 +02001486
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001487 svg_time_grid(0);
1488
1489 svg_legenda();
1490
1491 for (i = 0; i < tchart->numcpus; i++)
1492 svg_cpu_box(i, tchart->max_freq, tchart->turbo_frequency);
1493
1494 draw_cpu_usage(tchart);
1495 if (tchart->proc_num)
1496 draw_process_bars(tchart);
1497 if (!tchart->tasks_only)
1498 draw_c_p_states(tchart);
1499 if (tchart->proc_num)
1500 draw_wakeups(tchart);
1501 }
Arjan van de Ven10274982009-09-12 07:53:05 +02001502
1503 svg_close();
1504}
1505
Stanislav Fomichev58b9a182013-12-02 18:37:35 +04001506static int process_header(struct perf_file_section *section __maybe_unused,
1507 struct perf_header *ph,
1508 int feat,
1509 int fd __maybe_unused,
1510 void *data)
1511{
1512 struct timechart *tchart = data;
1513
1514 switch (feat) {
1515 case HEADER_NRCPUS:
1516 tchart->numcpus = ph->env.nr_cpus_avail;
1517 break;
Stanislav Fomichevc5079992013-12-02 18:37:36 +04001518
1519 case HEADER_CPU_TOPOLOGY:
1520 if (!tchart->topology)
1521 break;
1522
1523 if (svg_build_topology_map(ph->env.sibling_cores,
1524 ph->env.nr_sibling_cores,
1525 ph->env.sibling_threads,
1526 ph->env.nr_sibling_threads))
1527 fprintf(stderr, "problem building topology\n");
1528 break;
1529
Stanislav Fomichev58b9a182013-12-02 18:37:35 +04001530 default:
1531 break;
1532 }
1533
1534 return 0;
1535}
1536
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001537static int __cmd_timechart(struct timechart *tchart, const char *output_name)
Arjan van de Ven10274982009-09-12 07:53:05 +02001538{
Jiri Olsa59366782013-07-11 17:28:30 +02001539 const struct perf_evsel_str_handler power_tracepoints[] = {
1540 { "power:cpu_idle", process_sample_cpu_idle },
1541 { "power:cpu_frequency", process_sample_cpu_frequency },
1542 { "sched:sched_wakeup", process_sample_sched_wakeup },
1543 { "sched:sched_switch", process_sample_sched_switch },
1544#ifdef SUPPORT_OLD_POWER_EVENTS
1545 { "power:power_start", process_sample_power_start },
1546 { "power:power_end", process_sample_power_end },
1547 { "power:power_frequency", process_sample_power_frequency },
1548#endif
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001549
1550 { "syscalls:sys_enter_read", process_enter_read },
1551 { "syscalls:sys_enter_pread64", process_enter_read },
1552 { "syscalls:sys_enter_readv", process_enter_read },
1553 { "syscalls:sys_enter_preadv", process_enter_read },
1554 { "syscalls:sys_enter_write", process_enter_write },
1555 { "syscalls:sys_enter_pwrite64", process_enter_write },
1556 { "syscalls:sys_enter_writev", process_enter_write },
1557 { "syscalls:sys_enter_pwritev", process_enter_write },
1558 { "syscalls:sys_enter_sync", process_enter_sync },
1559 { "syscalls:sys_enter_sync_file_range", process_enter_sync },
1560 { "syscalls:sys_enter_fsync", process_enter_sync },
1561 { "syscalls:sys_enter_msync", process_enter_sync },
1562 { "syscalls:sys_enter_recvfrom", process_enter_rx },
1563 { "syscalls:sys_enter_recvmmsg", process_enter_rx },
1564 { "syscalls:sys_enter_recvmsg", process_enter_rx },
1565 { "syscalls:sys_enter_sendto", process_enter_tx },
1566 { "syscalls:sys_enter_sendmsg", process_enter_tx },
1567 { "syscalls:sys_enter_sendmmsg", process_enter_tx },
1568 { "syscalls:sys_enter_epoll_pwait", process_enter_poll },
1569 { "syscalls:sys_enter_epoll_wait", process_enter_poll },
1570 { "syscalls:sys_enter_poll", process_enter_poll },
1571 { "syscalls:sys_enter_ppoll", process_enter_poll },
1572 { "syscalls:sys_enter_pselect6", process_enter_poll },
1573 { "syscalls:sys_enter_select", process_enter_poll },
1574
1575 { "syscalls:sys_exit_read", process_exit_read },
1576 { "syscalls:sys_exit_pread64", process_exit_read },
1577 { "syscalls:sys_exit_readv", process_exit_read },
1578 { "syscalls:sys_exit_preadv", process_exit_read },
1579 { "syscalls:sys_exit_write", process_exit_write },
1580 { "syscalls:sys_exit_pwrite64", process_exit_write },
1581 { "syscalls:sys_exit_writev", process_exit_write },
1582 { "syscalls:sys_exit_pwritev", process_exit_write },
1583 { "syscalls:sys_exit_sync", process_exit_sync },
1584 { "syscalls:sys_exit_sync_file_range", process_exit_sync },
1585 { "syscalls:sys_exit_fsync", process_exit_sync },
1586 { "syscalls:sys_exit_msync", process_exit_sync },
1587 { "syscalls:sys_exit_recvfrom", process_exit_rx },
1588 { "syscalls:sys_exit_recvmmsg", process_exit_rx },
1589 { "syscalls:sys_exit_recvmsg", process_exit_rx },
1590 { "syscalls:sys_exit_sendto", process_exit_tx },
1591 { "syscalls:sys_exit_sendmsg", process_exit_tx },
1592 { "syscalls:sys_exit_sendmmsg", process_exit_tx },
1593 { "syscalls:sys_exit_epoll_pwait", process_exit_poll },
1594 { "syscalls:sys_exit_epoll_wait", process_exit_poll },
1595 { "syscalls:sys_exit_poll", process_exit_poll },
1596 { "syscalls:sys_exit_ppoll", process_exit_poll },
1597 { "syscalls:sys_exit_pselect6", process_exit_poll },
1598 { "syscalls:sys_exit_select", process_exit_poll },
Jiri Olsa59366782013-07-11 17:28:30 +02001599 };
Jiri Olsaf5fc1412013-10-15 16:27:32 +02001600 struct perf_data_file file = {
1601 .path = input_name,
1602 .mode = PERF_DATA_MODE_READ,
Yunlong Song44f7e432015-04-02 21:47:17 +08001603 .force = tchart->force,
Jiri Olsaf5fc1412013-10-15 16:27:32 +02001604 };
1605
1606 struct perf_session *session = perf_session__new(&file, false,
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001607 &tchart->tool);
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -02001608 int ret = -EINVAL;
Arjan van de Ven10274982009-09-12 07:53:05 +02001609
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -02001610 if (session == NULL)
Taeung Song52e028342014-09-24 10:33:37 +09001611 return -1;
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -02001612
Namhyung Kim0a7e6d12014-08-12 15:40:45 +09001613 symbol__init(&session->header.env);
Namhyung Kimdc5c8192014-08-12 15:40:43 +09001614
Stanislav Fomichev58b9a182013-12-02 18:37:35 +04001615 (void)perf_header__process_sections(&session->header,
1616 perf_data_file__fd(session->file),
1617 tchart,
1618 process_header);
1619
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -02001620 if (!perf_session__has_traces(session, "timechart record"))
1621 goto out_delete;
1622
Jiri Olsa59366782013-07-11 17:28:30 +02001623 if (perf_session__set_tracepoints_handlers(session,
1624 power_tracepoints)) {
1625 pr_err("Initializing session tracepoint handlers failed\n");
1626 goto out_delete;
1627 }
1628
Arnaldo Carvalho de Melob7b61cb2015-03-03 11:58:45 -03001629 ret = perf_session__process_events(session);
Li Zefan5cbd0802009-12-01 14:05:16 +08001630 if (ret)
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -02001631 goto out_delete;
Arjan van de Ven10274982009-09-12 07:53:05 +02001632
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001633 end_sample_processing(tchart);
Arjan van de Ven10274982009-09-12 07:53:05 +02001634
Arnaldo Carvalho de Melo5e22f6d2013-11-28 11:50:41 -03001635 sort_pids(tchart);
Arjan van de Ven10274982009-09-12 07:53:05 +02001636
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001637 write_svg_file(tchart, output_name);
Arjan van de Ven10274982009-09-12 07:53:05 +02001638
Arnaldo Carvalho de Melo6beba7a2009-10-21 17:34:06 -02001639 pr_info("Written %2.1f seconds of trace to %s.\n",
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001640 (tchart->last_time - tchart->first_time) / 1000000000.0, output_name);
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -02001641out_delete:
1642 perf_session__delete(session);
1643 return ret;
Arjan van de Ven10274982009-09-12 07:53:05 +02001644}
1645
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001646static int timechart__io_record(int argc, const char **argv)
1647{
1648 unsigned int rec_argc, i;
1649 const char **rec_argv;
1650 const char **p;
1651 char *filter = NULL;
1652
1653 const char * const common_args[] = {
1654 "record", "-a", "-R", "-c", "1",
1655 };
1656 unsigned int common_args_nr = ARRAY_SIZE(common_args);
1657
1658 const char * const disk_events[] = {
1659 "syscalls:sys_enter_read",
1660 "syscalls:sys_enter_pread64",
1661 "syscalls:sys_enter_readv",
1662 "syscalls:sys_enter_preadv",
1663 "syscalls:sys_enter_write",
1664 "syscalls:sys_enter_pwrite64",
1665 "syscalls:sys_enter_writev",
1666 "syscalls:sys_enter_pwritev",
1667 "syscalls:sys_enter_sync",
1668 "syscalls:sys_enter_sync_file_range",
1669 "syscalls:sys_enter_fsync",
1670 "syscalls:sys_enter_msync",
1671
1672 "syscalls:sys_exit_read",
1673 "syscalls:sys_exit_pread64",
1674 "syscalls:sys_exit_readv",
1675 "syscalls:sys_exit_preadv",
1676 "syscalls:sys_exit_write",
1677 "syscalls:sys_exit_pwrite64",
1678 "syscalls:sys_exit_writev",
1679 "syscalls:sys_exit_pwritev",
1680 "syscalls:sys_exit_sync",
1681 "syscalls:sys_exit_sync_file_range",
1682 "syscalls:sys_exit_fsync",
1683 "syscalls:sys_exit_msync",
1684 };
1685 unsigned int disk_events_nr = ARRAY_SIZE(disk_events);
1686
1687 const char * const net_events[] = {
1688 "syscalls:sys_enter_recvfrom",
1689 "syscalls:sys_enter_recvmmsg",
1690 "syscalls:sys_enter_recvmsg",
1691 "syscalls:sys_enter_sendto",
1692 "syscalls:sys_enter_sendmsg",
1693 "syscalls:sys_enter_sendmmsg",
1694
1695 "syscalls:sys_exit_recvfrom",
1696 "syscalls:sys_exit_recvmmsg",
1697 "syscalls:sys_exit_recvmsg",
1698 "syscalls:sys_exit_sendto",
1699 "syscalls:sys_exit_sendmsg",
1700 "syscalls:sys_exit_sendmmsg",
1701 };
1702 unsigned int net_events_nr = ARRAY_SIZE(net_events);
1703
1704 const char * const poll_events[] = {
1705 "syscalls:sys_enter_epoll_pwait",
1706 "syscalls:sys_enter_epoll_wait",
1707 "syscalls:sys_enter_poll",
1708 "syscalls:sys_enter_ppoll",
1709 "syscalls:sys_enter_pselect6",
1710 "syscalls:sys_enter_select",
1711
1712 "syscalls:sys_exit_epoll_pwait",
1713 "syscalls:sys_exit_epoll_wait",
1714 "syscalls:sys_exit_poll",
1715 "syscalls:sys_exit_ppoll",
1716 "syscalls:sys_exit_pselect6",
1717 "syscalls:sys_exit_select",
1718 };
1719 unsigned int poll_events_nr = ARRAY_SIZE(poll_events);
1720
1721 rec_argc = common_args_nr +
1722 disk_events_nr * 4 +
1723 net_events_nr * 4 +
1724 poll_events_nr * 4 +
1725 argc;
1726 rec_argv = calloc(rec_argc + 1, sizeof(char *));
1727
1728 if (rec_argv == NULL)
1729 return -ENOMEM;
1730
1731 if (asprintf(&filter, "common_pid != %d", getpid()) < 0)
1732 return -ENOMEM;
1733
1734 p = rec_argv;
1735 for (i = 0; i < common_args_nr; i++)
1736 *p++ = strdup(common_args[i]);
1737
1738 for (i = 0; i < disk_events_nr; i++) {
1739 if (!is_valid_tracepoint(disk_events[i])) {
1740 rec_argc -= 4;
1741 continue;
1742 }
1743
1744 *p++ = "-e";
1745 *p++ = strdup(disk_events[i]);
1746 *p++ = "--filter";
1747 *p++ = filter;
1748 }
1749 for (i = 0; i < net_events_nr; i++) {
1750 if (!is_valid_tracepoint(net_events[i])) {
1751 rec_argc -= 4;
1752 continue;
1753 }
1754
1755 *p++ = "-e";
1756 *p++ = strdup(net_events[i]);
1757 *p++ = "--filter";
1758 *p++ = filter;
1759 }
1760 for (i = 0; i < poll_events_nr; i++) {
1761 if (!is_valid_tracepoint(poll_events[i])) {
1762 rec_argc -= 4;
1763 continue;
1764 }
1765
1766 *p++ = "-e";
1767 *p++ = strdup(poll_events[i]);
1768 *p++ = "--filter";
1769 *p++ = filter;
1770 }
1771
1772 for (i = 0; i < (unsigned int)argc; i++)
1773 *p++ = argv[i];
1774
1775 return cmd_record(rec_argc, rec_argv, NULL);
1776}
1777
1778
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001779static int timechart__record(struct timechart *tchart, int argc, const char **argv)
Arjan van de Ven3c09eeb2009-09-19 13:34:42 +02001780{
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001781 unsigned int rec_argc, i, j;
1782 const char **rec_argv;
1783 const char **p;
1784 unsigned int record_elems;
1785
1786 const char * const common_args[] = {
Jiri Olsa4a4d3712013-06-05 13:37:21 +02001787 "record", "-a", "-R", "-c", "1",
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001788 };
1789 unsigned int common_args_nr = ARRAY_SIZE(common_args);
1790
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001791 const char * const backtrace_args[] = {
1792 "-g",
1793 };
1794 unsigned int backtrace_args_no = ARRAY_SIZE(backtrace_args);
1795
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001796 const char * const power_args[] = {
1797 "-e", "power:cpu_frequency",
1798 "-e", "power:cpu_idle",
1799 };
1800 unsigned int power_args_nr = ARRAY_SIZE(power_args);
1801
1802 const char * const old_power_args[] = {
1803#ifdef SUPPORT_OLD_POWER_EVENTS
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001804 "-e", "power:power_start",
1805 "-e", "power:power_end",
1806 "-e", "power:power_frequency",
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001807#endif
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001808 };
1809 unsigned int old_power_args_nr = ARRAY_SIZE(old_power_args);
1810
1811 const char * const tasks_args[] = {
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001812 "-e", "sched:sched_wakeup",
1813 "-e", "sched:sched_switch",
1814 };
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001815 unsigned int tasks_args_nr = ARRAY_SIZE(tasks_args);
Arjan van de Ven3c09eeb2009-09-19 13:34:42 +02001816
Thomas Renninger20c457b2011-01-03 17:50:45 +01001817#ifdef SUPPORT_OLD_POWER_EVENTS
1818 if (!is_valid_tracepoint("power:cpu_idle") &&
1819 is_valid_tracepoint("power:power_start")) {
1820 use_old_power_events = 1;
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001821 power_args_nr = 0;
1822 } else {
1823 old_power_args_nr = 0;
Thomas Renninger20c457b2011-01-03 17:50:45 +01001824 }
1825#endif
1826
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001827 if (tchart->power_only)
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001828 tasks_args_nr = 0;
1829
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001830 if (tchart->tasks_only) {
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001831 power_args_nr = 0;
1832 old_power_args_nr = 0;
1833 }
1834
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001835 if (!tchart->with_backtrace)
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001836 backtrace_args_no = 0;
1837
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001838 record_elems = common_args_nr + tasks_args_nr +
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001839 power_args_nr + old_power_args_nr + backtrace_args_no;
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001840
1841 rec_argc = record_elems + argc;
Arjan van de Ven3c09eeb2009-09-19 13:34:42 +02001842 rec_argv = calloc(rec_argc + 1, sizeof(char *));
1843
Chris Samuelce47dc52010-11-13 13:35:06 +11001844 if (rec_argv == NULL)
1845 return -ENOMEM;
1846
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001847 p = rec_argv;
1848 for (i = 0; i < common_args_nr; i++)
1849 *p++ = strdup(common_args[i]);
Arjan van de Ven3c09eeb2009-09-19 13:34:42 +02001850
Stanislav Fomichev6f8d67f2013-11-01 20:25:51 +04001851 for (i = 0; i < backtrace_args_no; i++)
1852 *p++ = strdup(backtrace_args[i]);
1853
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001854 for (i = 0; i < tasks_args_nr; i++)
1855 *p++ = strdup(tasks_args[i]);
Arjan van de Ven3c09eeb2009-09-19 13:34:42 +02001856
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001857 for (i = 0; i < power_args_nr; i++)
1858 *p++ = strdup(power_args[i]);
1859
1860 for (i = 0; i < old_power_args_nr; i++)
1861 *p++ = strdup(old_power_args[i]);
1862
Ramkumar Ramachandra263f89b2014-03-16 12:06:05 -04001863 for (j = 0; j < (unsigned int)argc; j++)
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001864 *p++ = argv[j];
1865
1866 return cmd_record(rec_argc, rec_argv, NULL);
Arjan van de Ven3c09eeb2009-09-19 13:34:42 +02001867}
1868
Arjan van de Venbbe29872009-10-20 07:09:39 +09001869static int
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001870parse_process(const struct option *opt __maybe_unused, const char *arg,
1871 int __maybe_unused unset)
Arjan van de Venbbe29872009-10-20 07:09:39 +09001872{
1873 if (arg)
1874 add_process_filter(arg);
1875 return 0;
1876}
1877
Stanislav Fomicheve57a2df2013-12-17 19:53:49 +04001878static int
1879parse_highlight(const struct option *opt __maybe_unused, const char *arg,
1880 int __maybe_unused unset)
1881{
1882 unsigned long duration = strtoul(arg, NULL, 0);
1883
1884 if (svg_highlight || svg_highlight_name)
1885 return -1;
1886
1887 if (duration)
1888 svg_highlight = duration;
1889 else
1890 svg_highlight_name = strdup(arg);
1891
1892 return 0;
1893}
1894
Stanislav Fomichevd2431442014-07-08 20:03:43 +04001895static int
1896parse_time(const struct option *opt, const char *arg, int __maybe_unused unset)
1897{
1898 char unit = 'n';
1899 u64 *value = opt->value;
1900
1901 if (sscanf(arg, "%" PRIu64 "%cs", value, &unit) > 0) {
1902 switch (unit) {
1903 case 'm':
1904 *value *= 1000000;
1905 break;
1906 case 'u':
1907 *value *= 1000;
1908 break;
1909 case 'n':
1910 break;
1911 default:
1912 return -1;
1913 }
1914 }
1915
1916 return 0;
1917}
1918
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001919int cmd_timechart(int argc, const char **argv,
1920 const char *prefix __maybe_unused)
1921{
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001922 struct timechart tchart = {
1923 .tool = {
1924 .comm = process_comm_event,
1925 .fork = process_fork_event,
1926 .exit = process_exit_event,
1927 .sample = process_sample_event,
Jiri Olsa0a8cb852014-07-06 14:18:21 +02001928 .ordered_events = true,
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001929 },
1930 .proc_num = 15,
Stanislav Fomichevd2431442014-07-08 20:03:43 +04001931 .min_time = 1000000,
1932 .merge_dist = 1000,
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001933 };
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001934 const char *output_name = "output.svg";
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001935 const struct option timechart_options[] = {
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001936 OPT_STRING('i', "input", &input_name, "file", "input file name"),
1937 OPT_STRING('o', "output", &output_name, "file", "output file name"),
1938 OPT_INTEGER('w', "width", &svg_page_width, "page width"),
Stanislav Fomicheve57a2df2013-12-17 19:53:49 +04001939 OPT_CALLBACK(0, "highlight", NULL, "duration or task name",
1940 "highlight tasks. Pass duration in ns or process name.",
1941 parse_highlight),
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001942 OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),
1943 OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
Stanislav Fomichevc87097d2013-11-01 20:25:48 +04001944 "output processes data only"),
Arjan van de Venbbe29872009-10-20 07:09:39 +09001945 OPT_CALLBACK('p', "process", NULL, "process",
1946 "process selector. Pass a pid or process name.",
1947 parse_process),
David Ahernec5761e2010-12-09 13:27:07 -07001948 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
1949 "Look for files with symbols relative to this directory"),
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001950 OPT_INTEGER('n', "proc-num", &tchart.proc_num,
Stanislav Fomichev54874e32013-11-01 20:25:46 +04001951 "min. number of tasks to print"),
Stanislav Fomichevc5079992013-12-02 18:37:36 +04001952 OPT_BOOLEAN('t', "topology", &tchart.topology,
1953 "sort CPUs according to topology"),
Stanislav Fomichevd2431442014-07-08 20:03:43 +04001954 OPT_BOOLEAN(0, "io-skip-eagain", &tchart.skip_eagain,
1955 "skip EAGAIN errors"),
1956 OPT_CALLBACK(0, "io-min-time", &tchart.min_time, "time",
1957 "all IO faster than min-time will visually appear longer",
1958 parse_time),
1959 OPT_CALLBACK(0, "io-merge-dist", &tchart.merge_dist, "time",
1960 "merge events that are merge-dist us apart",
1961 parse_time),
Yunlong Song44f7e432015-04-02 21:47:17 +08001962 OPT_BOOLEAN('f', "force", &tchart.force, "don't complain, do it"),
Arjan van de Ven10274982009-09-12 07:53:05 +02001963 OPT_END()
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001964 };
Yunlong Song33ec0ca2015-03-18 21:35:56 +08001965 const char * const timechart_subcommands[] = { "record", NULL };
1966 const char *timechart_usage[] = {
Arnaldo Carvalho de Melo73bdc712012-10-01 15:20:58 -03001967 "perf timechart [<options>] {record}",
1968 NULL
1969 };
Arjan van de Ven10274982009-09-12 07:53:05 +02001970
Namhyung Kime5b2c202014-10-23 00:15:46 +09001971 const struct option timechart_record_options[] = {
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001972 OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),
1973 OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001974 "output processes data only"),
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04001975 OPT_BOOLEAN('I', "io-only", &tchart.io_only,
1976 "record only IO data"),
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001977 OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"),
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001978 OPT_END()
1979 };
Namhyung Kime5b2c202014-10-23 00:15:46 +09001980 const char * const timechart_record_usage[] = {
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001981 "perf timechart record [<options>]",
1982 NULL
1983 };
Yunlong Song33ec0ca2015-03-18 21:35:56 +08001984 argc = parse_options_subcommand(argc, argv, timechart_options, timechart_subcommands,
1985 timechart_usage, PARSE_OPT_STOP_AT_NON_OPTION);
Arjan van de Ven10274982009-09-12 07:53:05 +02001986
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001987 if (tchart.power_only && tchart.tasks_only) {
Stanislav Fomichevc87097d2013-11-01 20:25:48 +04001988 pr_err("-P and -T options cannot be used at the same time.\n");
1989 return -1;
1990 }
1991
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001992 if (argc && !strncmp(argv[0], "rec", 3)) {
Namhyung Kime5b2c202014-10-23 00:15:46 +09001993 argc = parse_options(argc, argv, timechart_record_options,
1994 timechart_record_usage,
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001995 PARSE_OPT_STOP_AT_NON_OPTION);
1996
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03001997 if (tchart.power_only && tchart.tasks_only) {
Stanislav Fomichev367b3152013-11-01 20:25:50 +04001998 pr_err("-P and -T options cannot be used at the same time.\n");
1999 return -1;
2000 }
2001
Stanislav Fomichevb97b59b2014-07-08 20:03:41 +04002002 if (tchart.io_only)
2003 return timechart__io_record(argc, argv);
2004 else
2005 return timechart__record(&tchart, argc, argv);
Stanislav Fomichev367b3152013-11-01 20:25:50 +04002006 } else if (argc)
2007 usage_with_options(timechart_usage, timechart_options);
Arjan van de Ven10274982009-09-12 07:53:05 +02002008
2009 setup_pager();
2010
Arnaldo Carvalho de Melo985b12e2013-11-28 11:25:19 -03002011 return __cmd_timechart(&tchart, output_name);
Arjan van de Ven10274982009-09-12 07:53:05 +02002012}