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perf trace: Use new machine method to loop over threads

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Use the new machine method that loops over threads to dump summary data.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1380395584-9025-3-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern 2013-09-28 13:12:59 -06:00 committed by Arnaldo Carvalho de Melo
parent 35feee19f9
commit 896cbb56bf
1 changed files with 47 additions and 27 deletions
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74
tools/perf/builtin-trace.c
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@ -1751,37 +1751,57 @@ static size_t trace__fprintf_threads_header(FILE *fp)
return printed;
}
/* struct used to pass data to per-thread function */
struct summary_data {
FILE *fp;
struct trace *trace;
size_t printed;
};
static int trace__fprintf_one_thread(struct thread *thread, void *priv)
{
struct summary_data *data = priv;
FILE *fp = data->fp;
size_t printed = data->printed;
struct trace *trace = data->trace;
struct thread_trace *ttrace = thread->priv;
const char *color;
double ratio;
if (ttrace == NULL)
return 0;
ratio = (double)ttrace->nr_events / trace->nr_events * 100.0;
color = PERF_COLOR_NORMAL;
if (ratio > 50.0)
color = PERF_COLOR_RED;
else if (ratio > 25.0)
color = PERF_COLOR_GREEN;
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
printed += color_fprintf(fp, color, "%20s", thread->comm);
printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events);
printed += color_fprintf(fp, color, "%5.1f%%", ratio);
printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms);
data->printed += printed;
return 0;
}
static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp)
{
size_t printed = trace__fprintf_threads_header(fp);
struct rb_node *nd;
struct summary_data data = {
.fp = fp,
.trace = trace
};
data.printed = trace__fprintf_threads_header(fp);
for (nd = rb_first(&trace->host->threads); nd; nd = rb_next(nd)) {
struct thread *thread = rb_entry(nd, struct thread, rb_node);
struct thread_trace *ttrace = thread->priv;
const char *color;
double ratio;
machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data);
if (ttrace == NULL)
continue;
ratio = (double)ttrace->nr_events / trace->nr_events * 100.0;
color = PERF_COLOR_NORMAL;
if (ratio > 50.0)
color = PERF_COLOR_RED;
else if (ratio > 25.0)
color = PERF_COLOR_GREEN;
else if (ratio > 5.0)
color = PERF_COLOR_YELLOW;
printed += color_fprintf(fp, color, "%20s", thread->comm);
printed += fprintf(fp, " - %-5d :%11lu [", thread->tid, ttrace->nr_events);
printed += color_fprintf(fp, color, "%5.1f%%", ratio);
printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms);
}
return printed;
return data.printed;
}
static int trace__set_duration(const struct option *opt, const char *str,