Merge branch 'perf/test' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/core
This commit is contained in:
Ingo Molnar
Коммит
1f0ac7183f
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@ -35,37 +35,15 @@ TRACE_EVENT(lock_acquire,
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__get_str(name))
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);
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TRACE_EVENT(lock_release,
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TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
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TP_ARGS(lock, nested, ip),
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TP_STRUCT__entry(
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__string(name, lock->name)
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__field(void *, lockdep_addr)
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),
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TP_fast_assign(
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__assign_str(name, lock->name);
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__entry->lockdep_addr = lock;
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),
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TP_printk("%p %s",
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__entry->lockdep_addr, __get_str(name))
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);
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#ifdef CONFIG_LOCK_STAT
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TRACE_EVENT(lock_contended,
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DECLARE_EVENT_CLASS(lock,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_ARGS(lock, ip),
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TP_STRUCT__entry(
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__string(name, lock->name)
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__field(void *, lockdep_addr)
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__string( name, lock->name )
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__field( void *, lockdep_addr )
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),
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TP_fast_assign(
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@ -73,29 +51,30 @@ TRACE_EVENT(lock_contended,
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__entry->lockdep_addr = lock;
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),
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TP_printk("%p %s",
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__entry->lockdep_addr, __get_str(name))
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TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
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);
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TRACE_EVENT(lock_acquired,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
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DEFINE_EVENT(lock, lock_release,
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TP_ARGS(lock, ip, waittime),
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_STRUCT__entry(
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__string(name, lock->name)
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__field(s64, wait_nsec)
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__field(void *, lockdep_addr)
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),
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TP_ARGS(lock, ip)
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);
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TP_fast_assign(
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__assign_str(name, lock->name);
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__entry->wait_nsec = waittime;
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__entry->lockdep_addr = lock;
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),
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TP_printk("%p %s (%llu ns)", __entry->lockdep_addr,
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__get_str(name),
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__entry->wait_nsec)
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#ifdef CONFIG_LOCK_STAT
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DEFINE_EVENT(lock, lock_contended,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_ARGS(lock, ip)
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);
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DEFINE_EVENT(lock, lock_acquired,
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TP_PROTO(struct lockdep_map *lock, unsigned long ip),
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TP_ARGS(lock, ip)
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);
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#endif
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@ -3227,7 +3227,7 @@ void lock_release(struct lockdep_map *lock, int nested,
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raw_local_irq_save(flags);
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check_flags(flags);
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current->lockdep_recursion = 1;
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trace_lock_release(lock, nested, ip);
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trace_lock_release(lock, ip);
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__lock_release(lock, nested, ip);
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current->lockdep_recursion = 0;
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raw_local_irq_restore(flags);
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@ -3380,7 +3380,7 @@ found_it:
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hlock->holdtime_stamp = now;
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}
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trace_lock_acquired(lock, ip, waittime);
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trace_lock_acquired(lock, ip);
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stats = get_lock_stats(hlock_class(hlock));
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if (waittime) {
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|
|
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@ -387,7 +387,20 @@ static struct lock_seq_stat *get_seq(struct thread_stat *ts, void *addr)
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return seq;
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}
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static int bad_hist[4];
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enum broken_state {
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BROKEN_ACQUIRE,
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BROKEN_ACQUIRED,
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BROKEN_CONTENDED,
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BROKEN_RELEASE,
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BROKEN_MAX,
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};
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static int bad_hist[BROKEN_MAX];
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enum acquire_flags {
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TRY_LOCK = 1,
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READ_LOCK = 2,
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};
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static void
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report_lock_acquire_event(struct trace_acquire_event *acquire_event,
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@ -413,9 +426,9 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event,
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if (!acquire_event->flag) {
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seq->state = SEQ_STATE_ACQUIRING;
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} else {
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if (acquire_event->flag & 1)
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if (acquire_event->flag & TRY_LOCK)
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ls->nr_trylock++;
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if (acquire_event->flag & 2)
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if (acquire_event->flag & READ_LOCK)
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ls->nr_readlock++;
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seq->state = SEQ_STATE_READ_ACQUIRED;
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seq->read_count = 1;
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@ -423,7 +436,7 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event,
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}
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break;
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case SEQ_STATE_READ_ACQUIRED:
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if (acquire_event->flag & 2) {
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if (acquire_event->flag & READ_LOCK) {
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seq->read_count++;
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ls->nr_acquired++;
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goto end;
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@ -437,7 +450,7 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event,
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broken:
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/* broken lock sequence, discard it */
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ls->discard = 1;
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bad_hist[0]++;
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bad_hist[BROKEN_ACQUIRE]++;
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list_del(&seq->list);
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free(seq);
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goto end;
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@ -481,10 +494,9 @@ report_lock_acquired_event(struct trace_acquired_event *acquired_event,
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case SEQ_STATE_CONTENDED:
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contended_term = timestamp - seq->prev_event_time;
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ls->wait_time_total += contended_term;
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if (contended_term < ls->wait_time_min)
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ls->wait_time_min = contended_term;
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else if (ls->wait_time_max < contended_term)
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if (ls->wait_time_max < contended_term)
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ls->wait_time_max = contended_term;
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break;
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case SEQ_STATE_RELEASED:
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@ -492,7 +504,7 @@ report_lock_acquired_event(struct trace_acquired_event *acquired_event,
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case SEQ_STATE_READ_ACQUIRED:
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/* broken lock sequence, discard it */
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ls->discard = 1;
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bad_hist[1]++;
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bad_hist[BROKEN_ACQUIRED]++;
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list_del(&seq->list);
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free(seq);
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goto end;
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@ -540,7 +552,7 @@ report_lock_contended_event(struct trace_contended_event *contended_event,
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case SEQ_STATE_CONTENDED:
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/* broken lock sequence, discard it */
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ls->discard = 1;
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bad_hist[2]++;
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bad_hist[BROKEN_CONTENDED]++;
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list_del(&seq->list);
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free(seq);
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goto end;
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@ -594,7 +606,7 @@ report_lock_release_event(struct trace_release_event *release_event,
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case SEQ_STATE_RELEASED:
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/* broken lock sequence, discard it */
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ls->discard = 1;
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bad_hist[3]++;
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bad_hist[BROKEN_RELEASE]++;
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goto free_seq;
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break;
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default:
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@ -713,6 +725,21 @@ process_raw_event(void *data, int cpu, u64 timestamp, struct thread *thread)
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process_lock_release_event(data, event, cpu, timestamp, thread);
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}
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static void print_bad_events(int bad, int total)
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{
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/* Output for debug, this have to be removed */
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int i;
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const char *name[4] =
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{ "acquire", "acquired", "contended", "release" };
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pr_info("\n=== output for debug===\n\n");
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pr_info("bad: %d, total: %d\n", bad, total);
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pr_info("bad rate: %f %%\n", (double)bad / (double)total * 100);
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pr_info("histogram of events caused bad sequence\n");
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for (i = 0; i < BROKEN_MAX; i++)
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pr_info(" %10s: %d\n", name[i], bad_hist[i]);
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}
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/* TODO: various way to print, coloring, nano or milli sec */
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static void print_result(void)
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{
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@ -720,15 +747,15 @@ static void print_result(void)
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char cut_name[20];
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int bad, total;
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printf("%20s ", "Name");
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printf("%10s ", "acquired");
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printf("%10s ", "contended");
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pr_info("%20s ", "Name");
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pr_info("%10s ", "acquired");
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pr_info("%10s ", "contended");
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printf("%15s ", "total wait (ns)");
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printf("%15s ", "max wait (ns)");
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printf("%15s ", "min wait (ns)");
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pr_info("%15s ", "total wait (ns)");
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pr_info("%15s ", "max wait (ns)");
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pr_info("%15s ", "min wait (ns)");
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printf("\n\n");
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pr_info("\n\n");
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bad = total = 0;
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while ((st = pop_from_result())) {
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@ -741,7 +768,7 @@ static void print_result(void)
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if (strlen(st->name) < 16) {
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/* output raw name */
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printf("%20s ", st->name);
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pr_info("%20s ", st->name);
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} else {
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strncpy(cut_name, st->name, 16);
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cut_name[16] = '.';
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@ -749,33 +776,40 @@ static void print_result(void)
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cut_name[18] = '.';
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cut_name[19] = '\0';
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/* cut off name for saving output style */
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printf("%20s ", cut_name);
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pr_info("%20s ", cut_name);
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}
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printf("%10u ", st->nr_acquired);
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printf("%10u ", st->nr_contended);
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pr_info("%10u ", st->nr_acquired);
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pr_info("%10u ", st->nr_contended);
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printf("%15llu ", st->wait_time_total);
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printf("%15llu ", st->wait_time_max);
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printf("%15llu ", st->wait_time_min == ULLONG_MAX ?
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pr_info("%15llu ", st->wait_time_total);
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pr_info("%15llu ", st->wait_time_max);
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pr_info("%15llu ", st->wait_time_min == ULLONG_MAX ?
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0 : st->wait_time_min);
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printf("\n");
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pr_info("\n");
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}
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{
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/* Output for debug, this have to be removed */
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int i;
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const char *name[4] =
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{ "acquire", "acquired", "contended", "release" };
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print_bad_events(bad, total);
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}
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printf("\n=== output for debug===\n\n");
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printf("bad:%d, total:%d\n", bad, total);
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printf("bad rate:%f\n", (double)(bad / total));
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static int info_threads;
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static int info_map;
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printf("histogram of events caused bad sequence\n");
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for (i = 0; i < 4; i++)
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printf(" %10s: %d\n", name[i], bad_hist[i]);
|
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}
|
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static void dump_threads(void)
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{
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struct thread_stat *st;
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struct rb_node *node;
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struct thread *t;
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|
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pr_info("%10s: comm\n", "Thread ID");
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|
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node = rb_first(&thread_stats);
|
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while (node) {
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st = container_of(node, struct thread_stat, rb);
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t = perf_session__findnew(session, st->tid);
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pr_info("%10d: %s\n", st->tid, t->comm);
|
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node = rb_next(node);
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};
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}
|
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|
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static void dump_map(void)
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|
|
@ -783,13 +817,24 @@ static void dump_map(void)
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unsigned int i;
|
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struct lock_stat *st;
|
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|
||||
pr_info("Address of instance: name of class\n");
|
||||
for (i = 0; i < LOCKHASH_SIZE; i++) {
|
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list_for_each_entry(st, &lockhash_table[i], hash_entry) {
|
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printf("%p: %s\n", st->addr, st->name);
|
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pr_info(" %p: %s\n", st->addr, st->name);
|
||||
}
|
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}
|
||||
}
|
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|
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static void dump_info(void)
|
||||
{
|
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if (info_threads)
|
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dump_threads();
|
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else if (info_map)
|
||||
dump_map();
|
||||
else
|
||||
die("Unknown type of information\n");
|
||||
}
|
||||
|
||||
static int process_sample_event(event_t *self, struct perf_session *s)
|
||||
{
|
||||
struct sample_data data;
|
||||
|
|
@ -858,6 +903,19 @@ static const struct option report_options[] = {
|
|||
OPT_END()
|
||||
};
|
||||
|
||||
static const char * const info_usage[] = {
|
||||
"perf lock info [<options>]",
|
||||
NULL
|
||||
};
|
||||
|
||||
static const struct option info_options[] = {
|
||||
OPT_BOOLEAN('t', "threads", &info_threads,
|
||||
"dump thread list in perf.data"),
|
||||
OPT_BOOLEAN('m', "map", &info_map,
|
||||
"map of lock instances (name:address table)"),
|
||||
OPT_END()
|
||||
};
|
||||
|
||||
static const char * const lock_usage[] = {
|
||||
"perf lock [<options>] {record|trace|report}",
|
||||
NULL
|
||||
|
|
@ -872,7 +930,6 @@ static const struct option lock_options[] = {
|
|||
|
||||
static const char *record_args[] = {
|
||||
"record",
|
||||
"-a",
|
||||
"-R",
|
||||
"-f",
|
||||
"-m", "1024",
|
||||
|
|
@ -929,12 +986,18 @@ int cmd_lock(int argc, const char **argv, const char *prefix __used)
|
|||
} else if (!strcmp(argv[0], "trace")) {
|
||||
/* Aliased to 'perf trace' */
|
||||
return cmd_trace(argc, argv, prefix);
|
||||
} else if (!strcmp(argv[0], "map")) {
|
||||
} else if (!strcmp(argv[0], "info")) {
|
||||
if (argc) {
|
||||
argc = parse_options(argc, argv,
|
||||
info_options, info_usage, 0);
|
||||
if (argc)
|
||||
usage_with_options(info_usage, info_options);
|
||||
}
|
||||
/* recycling report_lock_ops */
|
||||
trace_handler = &report_lock_ops;
|
||||
setup_pager();
|
||||
read_events();
|
||||
dump_map();
|
||||
dump_info();
|
||||
} else {
|
||||
usage_with_options(lock_usage, lock_options);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -494,6 +494,29 @@ static void event__synthesize_guest_os(struct machine *machine, void *data)
|
|||
" relocation symbol.\n", machine->pid);
|
||||
}
|
||||
|
||||
static struct perf_event_header finished_round_event = {
|
||||
.size = sizeof(struct perf_event_header),
|
||||
.type = PERF_RECORD_FINISHED_ROUND,
|
||||
};
|
||||
|
||||
static void mmap_read_all(void)
|
||||
{
|
||||
int i, counter, thread;
|
||||
|
||||
for (i = 0; i < nr_cpu; i++) {
|
||||
for (counter = 0; counter < nr_counters; counter++) {
|
||||
for (thread = 0; thread < thread_num; thread++) {
|
||||
if (mmap_array[i][counter][thread].base)
|
||||
mmap_read(&mmap_array[i][counter][thread]);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if (perf_header__has_feat(&session->header, HEADER_TRACE_INFO))
|
||||
write_output(&finished_round_event, sizeof(finished_round_event));
|
||||
}
|
||||
|
||||
static int __cmd_record(int argc, const char **argv)
|
||||
{
|
||||
int i, counter;
|
||||
|
|
@ -726,16 +749,7 @@ static int __cmd_record(int argc, const char **argv)
|
|||
int hits = samples;
|
||||
int thread;
|
||||
|
||||
for (i = 0; i < nr_cpu; i++) {
|
||||
for (counter = 0; counter < nr_counters; counter++) {
|
||||
for (thread = 0;
|
||||
thread < thread_num; thread++) {
|
||||
if (mmap_array[i][counter][thread].base)
|
||||
mmap_read(&mmap_array[i][counter][thread]);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
mmap_read_all();
|
||||
|
||||
if (hits == samples) {
|
||||
if (done)
|
||||
|
|
|
|||
|
|
@ -84,11 +84,12 @@ struct build_id_event {
|
|||
char filename[];
|
||||
};
|
||||
|
||||
enum perf_header_event_type { /* above any possible kernel type */
|
||||
enum perf_user_event_type { /* above any possible kernel type */
|
||||
PERF_RECORD_HEADER_ATTR = 64,
|
||||
PERF_RECORD_HEADER_EVENT_TYPE = 65,
|
||||
PERF_RECORD_HEADER_TRACING_DATA = 66,
|
||||
PERF_RECORD_HEADER_BUILD_ID = 67,
|
||||
PERF_RECORD_FINISHED_ROUND = 68,
|
||||
PERF_RECORD_HEADER_MAX
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -98,7 +98,6 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
|
|||
self->unknown_events = 0;
|
||||
self->machines = RB_ROOT;
|
||||
self->repipe = repipe;
|
||||
self->ordered_samples.flush_limit = ULLONG_MAX;
|
||||
INIT_LIST_HEAD(&self->ordered_samples.samples_head);
|
||||
machine__init(&self->host_machine, "", HOST_KERNEL_ID);
|
||||
|
||||
|
|
@ -195,6 +194,18 @@ static int process_event_stub(event_t *event __used,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int process_finished_round_stub(event_t *event __used,
|
||||
struct perf_session *session __used,
|
||||
struct perf_event_ops *ops __used)
|
||||
{
|
||||
dump_printf(": unhandled!\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int process_finished_round(event_t *event,
|
||||
struct perf_session *session,
|
||||
struct perf_event_ops *ops);
|
||||
|
||||
static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
|
||||
{
|
||||
if (handler->sample == NULL)
|
||||
|
|
@ -223,6 +234,12 @@ static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
|
|||
handler->tracing_data = process_event_stub;
|
||||
if (handler->build_id == NULL)
|
||||
handler->build_id = process_event_stub;
|
||||
if (handler->finished_round == NULL) {
|
||||
if (handler->ordered_samples)
|
||||
handler->finished_round = process_finished_round;
|
||||
else
|
||||
handler->finished_round = process_finished_round_stub;
|
||||
}
|
||||
}
|
||||
|
||||
static const char *event__name[] = {
|
||||
|
|
@ -360,16 +377,14 @@ struct sample_queue {
|
|||
struct list_head list;
|
||||
};
|
||||
|
||||
#define FLUSH_PERIOD (2 * NSEC_PER_SEC)
|
||||
|
||||
static void flush_sample_queue(struct perf_session *s,
|
||||
struct perf_event_ops *ops)
|
||||
{
|
||||
struct list_head *head = &s->ordered_samples.samples_head;
|
||||
u64 limit = s->ordered_samples.flush_limit;
|
||||
u64 limit = s->ordered_samples.next_flush;
|
||||
struct sample_queue *tmp, *iter;
|
||||
|
||||
if (!ops->ordered_samples)
|
||||
if (!ops->ordered_samples || !limit)
|
||||
return;
|
||||
|
||||
list_for_each_entry_safe(iter, tmp, head, list) {
|
||||
|
|
@ -388,6 +403,55 @@ static void flush_sample_queue(struct perf_session *s,
|
|||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* When perf record finishes a pass on every buffers, it records this pseudo
|
||||
* event.
|
||||
* We record the max timestamp t found in the pass n.
|
||||
* Assuming these timestamps are monotonic across cpus, we know that if
|
||||
* a buffer still has events with timestamps below t, they will be all
|
||||
* available and then read in the pass n + 1.
|
||||
* Hence when we start to read the pass n + 2, we can safely flush every
|
||||
* events with timestamps below t.
|
||||
*
|
||||
* ============ PASS n =================
|
||||
* CPU 0 | CPU 1
|
||||
* |
|
||||
* cnt1 timestamps | cnt2 timestamps
|
||||
* 1 | 2
|
||||
* 2 | 3
|
||||
* - | 4 <--- max recorded
|
||||
*
|
||||
* ============ PASS n + 1 ==============
|
||||
* CPU 0 | CPU 1
|
||||
* |
|
||||
* cnt1 timestamps | cnt2 timestamps
|
||||
* 3 | 5
|
||||
* 4 | 6
|
||||
* 5 | 7 <---- max recorded
|
||||
*
|
||||
* Flush every events below timestamp 4
|
||||
*
|
||||
* ============ PASS n + 2 ==============
|
||||
* CPU 0 | CPU 1
|
||||
* |
|
||||
* cnt1 timestamps | cnt2 timestamps
|
||||
* 6 | 8
|
||||
* 7 | 9
|
||||
* - | 10
|
||||
*
|
||||
* Flush every events below timestamp 7
|
||||
* etc...
|
||||
*/
|
||||
static int process_finished_round(event_t *event __used,
|
||||
struct perf_session *session,
|
||||
struct perf_event_ops *ops)
|
||||
{
|
||||
flush_sample_queue(session, ops);
|
||||
session->ordered_samples.next_flush = session->ordered_samples.max_timestamp;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __queue_sample_end(struct sample_queue *new, struct list_head *head)
|
||||
{
|
||||
struct sample_queue *iter;
|
||||
|
|
@ -456,17 +520,12 @@ static void __queue_sample_event(struct sample_queue *new,
|
|||
}
|
||||
|
||||
static int queue_sample_event(event_t *event, struct sample_data *data,
|
||||
struct perf_session *s,
|
||||
struct perf_event_ops *ops)
|
||||
struct perf_session *s)
|
||||
{
|
||||
u64 timestamp = data->time;
|
||||
struct sample_queue *new;
|
||||
u64 flush_limit;
|
||||
|
||||
|
||||
if (s->ordered_samples.flush_limit == ULLONG_MAX)
|
||||
s->ordered_samples.flush_limit = timestamp + FLUSH_PERIOD;
|
||||
|
||||
if (timestamp < s->ordered_samples.last_flush) {
|
||||
printf("Warning: Timestamp below last timeslice flush\n");
|
||||
return -EINVAL;
|
||||
|
|
@ -489,23 +548,8 @@ static int queue_sample_event(event_t *event, struct sample_data *data,
|
|||
__queue_sample_event(new, s);
|
||||
s->ordered_samples.last_inserted = new;
|
||||
|
||||
/*
|
||||
* We want to have a slice of events covering 2 * FLUSH_PERIOD
|
||||
* If FLUSH_PERIOD is big enough, it ensures every events that occured
|
||||
* in the first half of the timeslice have all been buffered and there
|
||||
* are none remaining (we need that because of the weakly ordered
|
||||
* event recording we have). Then once we reach the 2 * FLUSH_PERIOD
|
||||
* timeslice, we flush the first half to be gentle with the memory
|
||||
* (the second half can still get new events in the middle, so wait
|
||||
* another period to flush it)
|
||||
*/
|
||||
flush_limit = s->ordered_samples.flush_limit;
|
||||
|
||||
if (new->timestamp > flush_limit &&
|
||||
new->timestamp - flush_limit > FLUSH_PERIOD) {
|
||||
s->ordered_samples.flush_limit += FLUSH_PERIOD;
|
||||
flush_sample_queue(s, ops);
|
||||
}
|
||||
if (new->timestamp > s->ordered_samples.max_timestamp)
|
||||
s->ordered_samples.max_timestamp = new->timestamp;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -521,7 +565,7 @@ static int perf_session__process_sample(event_t *event, struct perf_session *s,
|
|||
bzero(&data, sizeof(struct sample_data));
|
||||
event__parse_sample(event, s->sample_type, &data);
|
||||
|
||||
queue_sample_event(event, &data, s, ops);
|
||||
queue_sample_event(event, &data, s);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -573,6 +617,8 @@ static int perf_session__process_event(struct perf_session *self,
|
|||
return ops->tracing_data(event, self);
|
||||
case PERF_RECORD_HEADER_BUILD_ID:
|
||||
return ops->build_id(event, self);
|
||||
case PERF_RECORD_FINISHED_ROUND:
|
||||
return ops->finished_round(event, self, ops);
|
||||
default:
|
||||
self->unknown_events++;
|
||||
return -1;
|
||||
|
|
@ -651,15 +697,18 @@ more:
|
|||
p = &event;
|
||||
p += sizeof(struct perf_event_header);
|
||||
|
||||
err = do_read(self->fd, p, size - sizeof(struct perf_event_header));
|
||||
if (err <= 0) {
|
||||
if (err == 0) {
|
||||
pr_err("unexpected end of event stream\n");
|
||||
goto done;
|
||||
}
|
||||
if (size - sizeof(struct perf_event_header)) {
|
||||
err = do_read(self->fd, p,
|
||||
size - sizeof(struct perf_event_header));
|
||||
if (err <= 0) {
|
||||
if (err == 0) {
|
||||
pr_err("unexpected end of event stream\n");
|
||||
goto done;
|
||||
}
|
||||
|
||||
pr_err("failed to read event data\n");
|
||||
goto out_err;
|
||||
pr_err("failed to read event data\n");
|
||||
goto out_err;
|
||||
}
|
||||
}
|
||||
|
||||
if (size == 0 ||
|
||||
|
|
@ -787,7 +836,7 @@ more:
|
|||
done:
|
||||
err = 0;
|
||||
/* do the final flush for ordered samples */
|
||||
self->ordered_samples.flush_limit = ULLONG_MAX;
|
||||
self->ordered_samples.next_flush = ULLONG_MAX;
|
||||
flush_sample_queue(self, ops);
|
||||
out_err:
|
||||
ui_progress__delete(progress);
|
||||
|
|
|
|||
|
|
@ -14,7 +14,8 @@ struct thread;
|
|||
|
||||
struct ordered_samples {
|
||||
u64 last_flush;
|
||||
u64 flush_limit;
|
||||
u64 next_flush;
|
||||
u64 max_timestamp;
|
||||
struct list_head samples_head;
|
||||
struct sample_queue *last_inserted;
|
||||
};
|
||||
|
|
@ -42,23 +43,28 @@ struct perf_session {
|
|||
char filename[0];
|
||||
};
|
||||
|
||||
struct perf_event_ops;
|
||||
|
||||
typedef int (*event_op)(event_t *self, struct perf_session *session);
|
||||
typedef int (*event_op2)(event_t *self, struct perf_session *session,
|
||||
struct perf_event_ops *ops);
|
||||
|
||||
struct perf_event_ops {
|
||||
event_op sample,
|
||||
mmap,
|
||||
comm,
|
||||
fork,
|
||||
exit,
|
||||
lost,
|
||||
read,
|
||||
throttle,
|
||||
unthrottle,
|
||||
attr,
|
||||
event_type,
|
||||
tracing_data,
|
||||
build_id;
|
||||
bool ordered_samples;
|
||||
event_op sample,
|
||||
mmap,
|
||||
comm,
|
||||
fork,
|
||||
exit,
|
||||
lost,
|
||||
read,
|
||||
throttle,
|
||||
unthrottle,
|
||||
attr,
|
||||
event_type,
|
||||
tracing_data,
|
||||
build_id;
|
||||
event_op2 finished_round;
|
||||
bool ordered_samples;
|
||||
};
|
||||
|
||||
struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe);
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче