diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2009-09-20 18:13:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-20 19:37:34 +0200 |
| commit | 4f1202c8e61478984ed2d0df616149faf84c2a7f (patch) | |
| tree | 540fb2e48d8b55bda2db75a61085908401453ac0 /tools/perf/builtin-timechart.c | |
| parent | cdf8073d6b2c6c5a3cd6ce0e6c1297157f7f99ba (diff) | |
| download | lwn-4f1202c8e61478984ed2d0df616149faf84c2a7f.tar.gz lwn-4f1202c8e61478984ed2d0df616149faf84c2a7f.zip | |
perf timechart: Show the name of the waker/wakee in timechart
Timechart currently shows thin green lines for sending or receiving
wakeups. This patch also prints (in a very small font) the name of
the process that is being woken/wakes up this process.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20090920181328.68baa978@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-timechart.c')
| -rw-r--r-- | tools/perf/builtin-timechart.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 58d737ec8f5e..3f45b8b24e3d 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -752,6 +752,7 @@ static void draw_wakeups(void) we = wake_events; while (we) { int from = 0, to = 0; + char *task_from = NULL, *task_to = NULL; /* locate the column of the waker and wakee */ p = all_data; @@ -760,10 +761,14 @@ static void draw_wakeups(void) c = p->all; while (c) { if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { - if (p->pid == we->waker) + if (p->pid == we->waker) { from = c->Y; - if (p->pid == we->wakee) + task_from = c->comm; + } + if (p->pid == we->wakee) { to = c->Y; + task_to = c->comm; + } } c = c->next; } @@ -776,7 +781,7 @@ static void draw_wakeups(void) else if (from && to && abs(from - to) == 1) svg_wakeline(we->time, from, to); else - svg_partial_wakeline(we->time, from, to); + svg_partial_wakeline(we->time, from, task_from, to, task_to); we = we->next; } } |