perf timechart: Use proc_num to implement --power-only

Don't use special flag to indicate power-only mode, just set proc_num to
0.

Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1383323151-19810-4-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index c352be418f98..6410c9ead9e2 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -912,7 +912,7 @@ static int determine_display_tasks(u64 threshold)
                 /* 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)
+                if (p->total_time >= threshold)
                         p->display = 1;
 
                 c = p->all;
@@ -923,7 +923,7 @@ static int determine_display_tasks(u64 threshold)
                         if (c->start_time == 1)
                                 c->start_time = first_time;
 
-                        if (c->total_time >= threshold && !power_only) {
+                        if (c->total_time >= threshold) {
                                 c->display = 1;
                                 count++;
                         }
@@ -950,6 +950,8 @@ static void write_svg_file(const char *filename)
 
         numcpus++;
 
+        if (power_only)
+                proc_num = 0;
 
         /* We'd like to show at least proc_num tasks;
          * be less picky if we have fewer */
@@ -967,9 +969,11 @@ static void write_svg_file(const char *filename)
                 svg_cpu_box(i, max_freq, turbo_frequency);
 
         draw_cpu_usage();
-        draw_process_bars();
+        if (proc_num)
+                draw_process_bars();
         draw_c_p_states();
-        draw_wakeups();
+        if (proc_num)
+                draw_wakeups();
 
         svg_close();
 }