* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:Yes, perf record works well with "--pid".
On Tue, 2009-12-29 at 16:37 +0800, Liming Wang wrote:pid option is useless for stat, so remove it.Hmm, it shouldn't be.. and instead of removing it I would suggesting fixing this.
Yes. For exampe something like:
perf stat --repeat 10 --pid $(pidof firefox) sleep 1
Should show firefox's resource usage sampled over 10 seconds.
If this doesnt work it should be fixed. Plus i suspect we should allow:
perf stat --pid $(pidof firefox)
to run until Ctrl-C - like perf record allows.
Ingo