perf trace: Use new machine method to loop over threads

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>

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 1e2368f..addc3e1 100644 (file)
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -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;
-
-       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;
-
-               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);
-       }
+       struct summary_data data = {
+               .fp = fp,
+               .trace = trace
+       };
+       data.printed = trace__fprintf_threads_header(fp);
 
-       return printed;
+       machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data);
+
+       return data.printed;
 }
 
 static int trace__set_duration(const struct option *opt, const char *str,