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>

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index c352be418f982e0355a437c8297ec39d9e768736..6410c9ead9e26147838ecf7d192f385842f0d68a 100644 (file)
--- 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();
 }