perf timechart: Print pid along the name

Add PID to the figures of CPU usage timechart.

Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ramkumar Ramachandra <artagnon@gmail.com>
Link: http://lkml.kernel.org/r/1385995056-20158-3-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 d955095..99fe363 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -841,6 +841,7 @@
 					svg_process(sample->cpu,
 						    sample->start_time,
 						    sample->end_time,
+						    p->pid,
 						    "sample",
 						    c->comm,
 						    sample->backtrace);