diff options
Diffstat (limited to 'src/tools/perf/builtin-timechart.c')
| -rw-r--r-- | src/tools/perf/builtin-timechart.c | 1117 |
1 files changed, 0 insertions, 1117 deletions
diff --git a/src/tools/perf/builtin-timechart.c b/src/tools/perf/builtin-timechart.c deleted file mode 100644 index c2e0231..0000000 --- a/src/tools/perf/builtin-timechart.c +++ /dev/null @@ -1,1117 +0,0 @@ -/* - * builtin-timechart.c - make an svg timechart of system activity - * - * (C) Copyright 2009 Intel Corporation - * - * Authors: - * Arjan van de Ven <arjan@linux.intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. - */ - -#include <traceevent/event-parse.h> - -#include "builtin.h" - -#include "util/util.h" - -#include "util/color.h" -#include <linux/list.h> -#include "util/cache.h" -#include "util/evlist.h" -#include "util/evsel.h" -#include <linux/rbtree.h> -#include "util/symbol.h" -#include "util/callchain.h" -#include "util/strlist.h" - -#include "perf.h" -#include "util/header.h" -#include "util/parse-options.h" -#include "util/parse-events.h" -#include "util/event.h" -#include "util/session.h" -#include "util/svghelper.h" -#include "util/tool.h" - -#define SUPPORT_OLD_POWER_EVENTS 1 -#define PWR_EVENT_EXIT -1 - - -static unsigned int numcpus; -static u64 min_freq; /* Lowest CPU frequency seen */ -static u64 max_freq; /* Highest CPU frequency seen */ -static u64 turbo_frequency; - -static u64 first_time, last_time; - -static bool power_only; - - -struct per_pid; -struct per_pidcomm; - -struct cpu_sample; -struct power_event; -struct wake_event; - -struct sample_wrapper; - -/* - * Datastructure layout: - * We keep an list of "pid"s, matching the kernels notion of a task struct. - * Each "pid" entry, has a list of "comm"s. - * this is because we want to track different programs different, while - * exec will reuse the original pid (by design). - * Each comm has a list of samples that will be used to draw - * final graph. - */ - -struct per_pid { - struct per_pid *next; - - int pid; - int ppid; - - u64 start_time; - u64 end_time; - u64 total_time; - int display; - - struct per_pidcomm *all; - struct per_pidcomm *current; -}; - - -struct per_pidcomm { - struct per_pidcomm *next; - - u64 start_time; - u64 end_time; - u64 total_time; - - int Y; - int display; - - long state; - u64 state_since; - - char *comm; - - struct cpu_sample *samples; -}; - -struct sample_wrapper { - struct sample_wrapper *next; - - u64 timestamp; - unsigned char data[0]; -}; - -#define TYPE_NONE 0 -#define TYPE_RUNNING 1 -#define TYPE_WAITING 2 -#define TYPE_BLOCKED 3 - -struct cpu_sample { - struct cpu_sample *next; - - u64 start_time; - u64 end_time; - int type; - int cpu; -}; - -static struct per_pid *all_data; - -#define CSTATE 1 -#define PSTATE 2 - -struct power_event { - struct power_event *next; - int type; - int state; - u64 start_time; - u64 end_time; - int cpu; -}; - -struct wake_event { - struct wake_event *next; - int waker; - int wakee; - u64 time; -}; - -static struct power_event *power_events; -static struct wake_event *wake_events; - -struct process_filter; -struct process_filter { - char *name; - int pid; - struct process_filter *next; -}; - -static struct process_filter *process_filter; - - -static struct per_pid *find_create_pid(int pid) -{ - struct per_pid *cursor = all_data; - - while (cursor) { - if (cursor->pid == pid) - return cursor; - cursor = cursor->next; - } - cursor = zalloc(sizeof(*cursor)); - assert(cursor != NULL); - cursor->pid = pid; - cursor->next = all_data; - all_data = cursor; - return cursor; -} - -static void pid_set_comm(int pid, char *comm) -{ - struct per_pid *p; - struct per_pidcomm *c; - p = find_create_pid(pid); - c = p->all; - while (c) { - if (c->comm && strcmp(c->comm, comm) == 0) { - p->current = c; - return; - } - if (!c->comm) { - c->comm = strdup(comm); - p->current = c; - return; - } - c = c->next; - } - c = zalloc(sizeof(*c)); - assert(c != NULL); - c->comm = strdup(comm); - p->current = c; - c->next = p->all; - p->all = c; -} - -static void pid_fork(int pid, int ppid, u64 timestamp) -{ - struct per_pid *p, *pp; - p = find_create_pid(pid); - pp = find_create_pid(ppid); - p->ppid = ppid; - if (pp->current && pp->current->comm && !p->current) - pid_set_comm(pid, pp->current->comm); - - p->start_time = timestamp; - if (p->current) { - p->current->start_time = timestamp; - p->current->state_since = timestamp; - } -} - -static void pid_exit(int pid, u64 timestamp) -{ - struct per_pid *p; - p = find_create_pid(pid); - p->end_time = timestamp; - if (p->current) - p->current->end_time = timestamp; -} - -static void -pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end) -{ - struct per_pid *p; - struct per_pidcomm *c; - struct cpu_sample *sample; - - p = find_create_pid(pid); - c = p->current; - if (!c) { - c = zalloc(sizeof(*c)); - assert(c != NULL); - p->current = c; - c->next = p->all; - p->all = c; - } - - sample = zalloc(sizeof(*sample)); - assert(sample != NULL); - sample->start_time = start; - sample->end_time = end; - sample->type = type; - sample->next = c->samples; - sample->cpu = cpu; - c->samples = sample; - - if (sample->type == TYPE_RUNNING && end > start && start > 0) { - c->total_time += (end-start); - p->total_time += (end-start); - } - - if (c->start_time == 0 || c->start_time > start) - c->start_time = start; - if (p->start_time == 0 || p->start_time > start) - p->start_time = start; -} - -#define MAX_CPUS 4096 - -static u64 cpus_cstate_start_times[MAX_CPUS]; -static int cpus_cstate_state[MAX_CPUS]; -static u64 cpus_pstate_start_times[MAX_CPUS]; -static u64 cpus_pstate_state[MAX_CPUS]; - -static int process_comm_event(struct perf_tool *tool __maybe_unused, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - pid_set_comm(event->comm.tid, event->comm.comm); - return 0; -} - -static int process_fork_event(struct perf_tool *tool __maybe_unused, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - pid_fork(event->fork.pid, event->fork.ppid, event->fork.time); - return 0; -} - -static int process_exit_event(struct perf_tool *tool __maybe_unused, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - pid_exit(event->fork.pid, event->fork.time); - return 0; -} - -struct trace_entry { - unsigned short type; - unsigned char flags; - unsigned char preempt_count; - int pid; - int lock_depth; -}; - -#ifdef SUPPORT_OLD_POWER_EVENTS -static int use_old_power_events; -struct power_entry_old { - struct trace_entry te; - u64 type; - u64 value; - u64 cpu_id; -}; -#endif - -struct power_processor_entry { - struct trace_entry te; - u32 state; - u32 cpu_id; -}; - -#define TASK_COMM_LEN 16 -struct wakeup_entry { - struct trace_entry te; - char comm[TASK_COMM_LEN]; - int pid; - int prio; - int success; -}; - -struct sched_switch { - struct trace_entry te; - char prev_comm[TASK_COMM_LEN]; - int prev_pid; - int prev_prio; - long prev_state; /* Arjan weeps. */ - char next_comm[TASK_COMM_LEN]; - int next_pid; - int next_prio; -}; - -static void c_state_start(int cpu, u64 timestamp, int state) -{ - cpus_cstate_start_times[cpu] = timestamp; - cpus_cstate_state[cpu] = state; -} - -static void c_state_end(int cpu, u64 timestamp) -{ - struct power_event *pwr = zalloc(sizeof(*pwr)); - - if (!pwr) - return; - - pwr->state = cpus_cstate_state[cpu]; - pwr->start_time = cpus_cstate_start_times[cpu]; - pwr->end_time = timestamp; - pwr->cpu = cpu; - pwr->type = CSTATE; - pwr->next = power_events; - - power_events = pwr; -} - -static void p_state_change(int cpu, u64 timestamp, u64 new_freq) -{ - struct power_event *pwr; - - if (new_freq > 8000000) /* detect invalid data */ - return; - - pwr = zalloc(sizeof(*pwr)); - if (!pwr) - return; - - pwr->state = cpus_pstate_state[cpu]; - pwr->start_time = cpus_pstate_start_times[cpu]; - pwr->end_time = timestamp; - pwr->cpu = cpu; - pwr->type = PSTATE; - pwr->next = power_events; - - if (!pwr->start_time) - pwr->start_time = first_time; - - power_events = pwr; - - cpus_pstate_state[cpu] = new_freq; - cpus_pstate_start_times[cpu] = timestamp; - - if ((u64)new_freq > max_freq) - max_freq = new_freq; - - if (new_freq < min_freq || min_freq == 0) - min_freq = new_freq; - - if (new_freq == max_freq - 1000) - turbo_frequency = max_freq; -} - -static void -sched_wakeup(int cpu, u64 timestamp, int pid, struct trace_entry *te) -{ - struct per_pid *p; - struct wakeup_entry *wake = (void *)te; - struct wake_event *we = zalloc(sizeof(*we)); - - if (!we) - return; - - we->time = timestamp; - we->waker = pid; - - if ((te->flags & TRACE_FLAG_HARDIRQ) || (te->flags & TRACE_FLAG_SOFTIRQ)) - we->waker = -1; - - we->wakee = wake->pid; - we->next = wake_events; - wake_events = we; - p = find_create_pid(we->wakee); - - if (p && p->current && p->current->state == TYPE_NONE) { - p->current->state_since = timestamp; - p->current->state = TYPE_WAITING; - } - if (p && p->current && p->current->state == TYPE_BLOCKED) { - pid_put_sample(p->pid, p->current->state, cpu, p->current->state_since, timestamp); - p->current->state_since = timestamp; - p->current->state = TYPE_WAITING; - } -} - -static void sched_switch(int cpu, u64 timestamp, struct trace_entry *te) -{ - struct per_pid *p = NULL, *prev_p; - struct sched_switch *sw = (void *)te; - - - prev_p = find_create_pid(sw->prev_pid); - - p = find_create_pid(sw->next_pid); - - if (prev_p->current && prev_p->current->state != TYPE_NONE) - pid_put_sample(sw->prev_pid, TYPE_RUNNING, cpu, prev_p->current->state_since, timestamp); - if (p && p->current) { - if (p->current->state != TYPE_NONE) - pid_put_sample(sw->next_pid, p->current->state, cpu, p->current->state_since, timestamp); - - p->current->state_since = timestamp; - p->current->state = TYPE_RUNNING; - } - - if (prev_p->current) { - prev_p->current->state = TYPE_NONE; - prev_p->current->state_since = timestamp; - if (sw->prev_state & 2) - prev_p->current->state = TYPE_BLOCKED; - if (sw->prev_state == 0) - prev_p->current->state = TYPE_WAITING; - } -} - -typedef int (*tracepoint_handler)(struct perf_evsel *evsel, - struct perf_sample *sample); - -static int process_sample_event(struct perf_tool *tool __maybe_unused, - union perf_event *event __maybe_unused, - struct perf_sample *sample, - struct perf_evsel *evsel, - struct machine *machine __maybe_unused) -{ - if (evsel->attr.sample_type & PERF_SAMPLE_TIME) { - if (!first_time || first_time > sample->time) - first_time = sample->time; - if (last_time < sample->time) - last_time = sample->time; - } - - if (sample->cpu > numcpus) - numcpus = sample->cpu; - - if (evsel->handler.func != NULL) { - tracepoint_handler f = evsel->handler.func; - return f(evsel, sample); - } - - return 0; -} - -static int -process_sample_cpu_idle(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) -{ - struct power_processor_entry *ppe = sample->raw_data; - - if (ppe->state == (u32) PWR_EVENT_EXIT) - c_state_end(ppe->cpu_id, sample->time); - else - c_state_start(ppe->cpu_id, sample->time, ppe->state); - return 0; -} - -static int -process_sample_cpu_frequency(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) -{ - struct power_processor_entry *ppe = sample->raw_data; - - p_state_change(ppe->cpu_id, sample->time, ppe->state); - return 0; -} - -static int -process_sample_sched_wakeup(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) -{ - struct trace_entry *te = sample->raw_data; - - sched_wakeup(sample->cpu, sample->time, sample->pid, te); - return 0; -} - -static int -process_sample_sched_switch(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) -{ - struct trace_entry *te = sample->raw_data; - - sched_switch(sample->cpu, sample->time, te); - return 0; -} - -#ifdef SUPPORT_OLD_POWER_EVENTS -static int -process_sample_power_start(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) -{ - struct power_entry_old *peo = sample->raw_data; - - c_state_start(peo->cpu_id, sample->time, peo->value); - return 0; -} - -static int -process_sample_power_end(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) -{ - c_state_end(sample->cpu, sample->time); - return 0; -} - -static int -process_sample_power_frequency(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) -{ - struct power_entry_old *peo = sample->raw_data; - - p_state_change(peo->cpu_id, sample->time, peo->value); - return 0; -} -#endif /* SUPPORT_OLD_POWER_EVENTS */ - -/* - * After the last sample we need to wrap up the current C/P state - * and close out each CPU for these. - */ -static void end_sample_processing(void) -{ - u64 cpu; - struct power_event *pwr; - - for (cpu = 0; cpu <= numcpus; cpu++) { - /* C state */ -#if 0 - pwr = zalloc(sizeof(*pwr)); - if (!pwr) - return; - - pwr->state = cpus_cstate_state[cpu]; - pwr->start_time = cpus_cstate_start_times[cpu]; - pwr->end_time = last_time; - pwr->cpu = cpu; - pwr->type = CSTATE; - pwr->next = power_events; - - power_events = pwr; -#endif - /* P state */ - - pwr = zalloc(sizeof(*pwr)); - if (!pwr) - return; - - pwr->state = cpus_pstate_state[cpu]; - pwr->start_time = cpus_pstate_start_times[cpu]; - pwr->end_time = last_time; - pwr->cpu = cpu; - pwr->type = PSTATE; - pwr->next = power_events; - - if (!pwr->start_time) - pwr->start_time = first_time; - if (!pwr->state) - pwr->state = min_freq; - power_events = pwr; - } -} - -/* - * Sort the pid datastructure - */ -static void sort_pids(void) -{ - struct per_pid *new_list, *p, *cursor, *prev; - /* sort by ppid first, then by pid, lowest to highest */ - - new_list = NULL; - - while (all_data) { - p = all_data; - all_data = p->next; - p->next = NULL; - - if (new_list == NULL) { - new_list = p; - p->next = NULL; - continue; - } - prev = NULL; - cursor = new_list; - while (cursor) { - if (cursor->ppid > p->ppid || - (cursor->ppid == p->ppid && cursor->pid > p->pid)) { - /* must insert before */ - if (prev) { - p->next = prev->next; - prev->next = p; - cursor = NULL; - continue; - } else { - p->next = new_list; - new_list = p; - cursor = NULL; - continue; - } - } - - prev = cursor; - cursor = cursor->next; - if (!cursor) - prev->next = p; - } - } - all_data = new_list; -} - - -static void draw_c_p_states(void) -{ - struct power_event *pwr; - pwr = power_events; - - /* - * two pass drawing so that the P state bars are on top of the C state blocks - */ - while (pwr) { - if (pwr->type == CSTATE) - svg_cstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); - pwr = pwr->next; - } - - pwr = power_events; - while (pwr) { - if (pwr->type == PSTATE) { - if (!pwr->state) - pwr->state = min_freq; - svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); - } - pwr = pwr->next; - } -} - -static void draw_wakeups(void) -{ - struct wake_event *we; - struct per_pid *p; - struct per_pidcomm *c; - - we = wake_events; - while (we) { - int from = 0, to = 0; - char *task_from = NULL, *task_to = NULL; - - /* locate the column of the waker and wakee */ - p = all_data; - while (p) { - if (p->pid == we->waker || p->pid == we->wakee) { - c = p->all; - while (c) { - if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { - if (p->pid == we->waker && !from) { - from = c->Y; - task_from = strdup(c->comm); - } - if (p->pid == we->wakee && !to) { - to = c->Y; - task_to = strdup(c->comm); - } - } - c = c->next; - } - c = p->all; - while (c) { - if (p->pid == we->waker && !from) { - from = c->Y; - task_from = strdup(c->comm); - } - if (p->pid == we->wakee && !to) { - to = c->Y; - task_to = strdup(c->comm); - } - c = c->next; - } - } - p = p->next; - } - - if (!task_from) { - task_from = malloc(40); - sprintf(task_from, "[%i]", we->waker); - } - if (!task_to) { - task_to = malloc(40); - sprintf(task_to, "[%i]", we->wakee); - } - - if (we->waker == -1) - svg_interrupt(we->time, to); - else if (from && to && abs(from - to) == 1) - svg_wakeline(we->time, from, to); - else - svg_partial_wakeline(we->time, from, task_from, to, task_to); - we = we->next; - - free(task_from); - free(task_to); - } -} - -static void draw_cpu_usage(void) -{ - struct per_pid *p; - struct per_pidcomm *c; - struct cpu_sample *sample; - p = all_data; - while (p) { - c = p->all; - while (c) { - sample = c->samples; - while (sample) { - if (sample->type == TYPE_RUNNING) - svg_process(sample->cpu, sample->start_time, sample->end_time, "sample", c->comm); - - sample = sample->next; - } - c = c->next; - } - p = p->next; - } -} - -static void draw_process_bars(void) -{ - struct per_pid *p; - struct per_pidcomm *c; - struct cpu_sample *sample; - int Y = 0; - - Y = 2 * numcpus + 2; - - p = all_data; - while (p) { - c = p->all; - while (c) { - if (!c->display) { - c->Y = 0; - c = c->next; - continue; - } - - svg_box(Y, c->start_time, c->end_time, "process"); - sample = c->samples; - while (sample) { - if (sample->type == TYPE_RUNNING) - svg_sample(Y, sample->cpu, sample->start_time, sample->end_time); - if (sample->type == TYPE_BLOCKED) - svg_box(Y, sample->start_time, sample->end_time, "blocked"); - if (sample->type == TYPE_WAITING) - svg_waiting(Y, sample->start_time, sample->end_time); - sample = sample->next; - } - - if (c->comm) { - char comm[256]; - if (c->total_time > 5000000000) /* 5 seconds */ - sprintf(comm, "%s:%i (%2.2fs)", c->comm, p->pid, c->total_time / 1000000000.0); - else - sprintf(comm, "%s:%i (%3.1fms)", c->comm, p->pid, c->total_time / 1000000.0); - - svg_text(Y, c->start_time, comm); - } - c->Y = Y; - Y++; - c = c->next; - } - p = p->next; - } -} - -static void add_process_filter(const char *string) -{ - int pid = strtoull(string, NULL, 10); - struct process_filter *filt = malloc(sizeof(*filt)); - - if (!filt) - return; - - filt->name = strdup(string); - filt->pid = pid; - filt->next = process_filter; - - process_filter = filt; -} - -static int passes_filter(struct per_pid *p, struct per_pidcomm *c) -{ - struct process_filter *filt; - if (!process_filter) - return 1; - - filt = process_filter; - while (filt) { - if (filt->pid && p->pid == filt->pid) - return 1; - if (strcmp(filt->name, c->comm) == 0) - return 1; - filt = filt->next; - } - return 0; -} - -static int determine_display_tasks_filtered(void) -{ - struct per_pid *p; - struct per_pidcomm *c; - int count = 0; - - p = all_data; - while (p) { - p->display = 0; - if (p->start_time == 1) - p->start_time = first_time; - - /* no exit marker, task kept running to the end */ - if (p->end_time == 0) - p->end_time = last_time; - - c = p->all; - - while (c) { - c->display = 0; - - if (c->start_time == 1) - c->start_time = first_time; - - if (passes_filter(p, c)) { - c->display = 1; - p->display = 1; - count++; - } - - if (c->end_time == 0) - c->end_time = last_time; - - c = c->next; - } - p = p->next; - } - return count; -} - -static int determine_display_tasks(u64 threshold) -{ - struct per_pid *p; - struct per_pidcomm *c; - int count = 0; - - if (process_filter) - return determine_display_tasks_filtered(); - - p = all_data; - while (p) { - p->display = 0; - if (p->start_time == 1) - p->start_time = first_time; - - /* no exit marker, task kept running to the end */ - if (p->end_time == 0) - p->end_time = last_time; - if (p->total_time >= threshold && !power_only) - p->display = 1; - - c = p->all; - - while (c) { - c->display = 0; - - if (c->start_time == 1) - c->start_time = first_time; - - if (c->total_time >= threshold && !power_only) { - c->display = 1; - count++; - } - - if (c->end_time == 0) - c->end_time = last_time; - - c = c->next; - } - p = p->next; - } - return count; -} - - - -#define TIME_THRESH 10000000 - -static void write_svg_file(const char *filename) -{ - u64 i; - int count; - - numcpus++; - - - count = determine_display_tasks(TIME_THRESH); - - /* We'd like to show at least 15 tasks; be less picky if we have fewer */ - if (count < 15) - count = determine_display_tasks(TIME_THRESH / 10); - - open_svg(filename, numcpus, count, first_time, last_time); - - svg_time_grid(); - svg_legenda(); - - for (i = 0; i < numcpus; i++) - svg_cpu_box(i, max_freq, turbo_frequency); - - draw_cpu_usage(); - draw_process_bars(); - draw_c_p_states(); - draw_wakeups(); - - svg_close(); -} - -static int __cmd_timechart(const char *output_name) -{ - struct perf_tool perf_timechart = { - .comm = process_comm_event, - .fork = process_fork_event, - .exit = process_exit_event, - .sample = process_sample_event, - .ordered_samples = true, - }; - const struct perf_evsel_str_handler power_tracepoints[] = { - { "power:cpu_idle", process_sample_cpu_idle }, - { "power:cpu_frequency", process_sample_cpu_frequency }, - { "sched:sched_wakeup", process_sample_sched_wakeup }, - { "sched:sched_switch", process_sample_sched_switch }, -#ifdef SUPPORT_OLD_POWER_EVENTS - { "power:power_start", process_sample_power_start }, - { "power:power_end", process_sample_power_end }, - { "power:power_frequency", process_sample_power_frequency }, -#endif - }; - struct perf_session *session = perf_session__new(input_name, O_RDONLY, - 0, false, &perf_timechart); - int ret = -EINVAL; - - if (session == NULL) - return -ENOMEM; - - if (!perf_session__has_traces(session, "timechart record")) - goto out_delete; - - if (perf_session__set_tracepoints_handlers(session, - power_tracepoints)) { - pr_err("Initializing session tracepoint handlers failed\n"); - goto out_delete; - } - - ret = perf_session__process_events(session, &perf_timechart); - if (ret) - goto out_delete; - - end_sample_processing(); - - sort_pids(); - - write_svg_file(output_name); - - pr_info("Written %2.1f seconds of trace to %s.\n", - (last_time - first_time) / 1000000000.0, output_name); -out_delete: - perf_session__delete(session); - return ret; -} - -static int __cmd_record(int argc, const char **argv) -{ -#ifdef SUPPORT_OLD_POWER_EVENTS - const char * const record_old_args[] = { - "record", "-a", "-R", "-c", "1", - "-e", "power:power_start", - "-e", "power:power_end", - "-e", "power:power_frequency", - "-e", "sched:sched_wakeup", - "-e", "sched:sched_switch", - }; -#endif - const char * const record_new_args[] = { - "record", "-a", "-R", "-c", "1", - "-e", "power:cpu_frequency", - "-e", "power:cpu_idle", - "-e", "sched:sched_wakeup", - "-e", "sched:sched_switch", - }; - unsigned int rec_argc, i, j; - const char **rec_argv; - const char * const *record_args = record_new_args; - unsigned int record_elems = ARRAY_SIZE(record_new_args); - -#ifdef SUPPORT_OLD_POWER_EVENTS - if (!is_valid_tracepoint("power:cpu_idle") && - is_valid_tracepoint("power:power_start")) { - use_old_power_events = 1; - record_args = record_old_args; - record_elems = ARRAY_SIZE(record_old_args); - } -#endif - - rec_argc = record_elems + argc - 1; - rec_argv = calloc(rec_argc + 1, sizeof(char *)); - - if (rec_argv == NULL) - return -ENOMEM; - - for (i = 0; i < record_elems; i++) - rec_argv[i] = strdup(record_args[i]); - - for (j = 1; j < (unsigned int)argc; j++, i++) - rec_argv[i] = argv[j]; - - return cmd_record(i, rec_argv, NULL); -} - -static int -parse_process(const struct option *opt __maybe_unused, const char *arg, - int __maybe_unused unset) -{ - if (arg) - add_process_filter(arg); - return 0; -} - -int cmd_timechart(int argc, const char **argv, - const char *prefix __maybe_unused) -{ - const char *output_name = "output.svg"; - const struct option options[] = { - OPT_STRING('i', "input", &input_name, "file", "input file name"), - OPT_STRING('o', "output", &output_name, "file", "output file name"), - OPT_INTEGER('w', "width", &svg_page_width, "page width"), - OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"), - OPT_CALLBACK('p', "process", NULL, "process", - "process selector. Pass a pid or process name.", - parse_process), - OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", - "Look for files with symbols relative to this directory"), - OPT_END() - }; - const char * const timechart_usage[] = { - "perf timechart [<options>] {record}", - NULL - }; - - argc = parse_options(argc, argv, options, timechart_usage, - PARSE_OPT_STOP_AT_NON_OPTION); - - symbol__init(); - - if (argc && !strncmp(argv[0], "rec", 3)) - return __cmd_record(argc, argv); - else if (argc) - usage_with_options(timechart_usage, options); - - setup_pager(); - - return __cmd_timechart(output_name); -} |