On Mon, Jan 29, 2018 at 11:48:09PM +0800, weiping zhang wrote: > if use -G with one cgroup and -e with multiple events, only the first > event has correct cgroup setting, all events from the second will track > system-wide events. > > if user want track multiple events for a specific cgroup, user must give > parameters like follow: > $ perf stat -e e1 -e e2 -e e3 -G test,test,test > this patch simplify this case, just type one cgroup, like following: > $ perf stat -e e1 -e e2 -e e3 -G test > > $ mkdir -p /sys/fs/cgroup/perf_event/test > $ perf stat -e cycles -e cache-misses -a -I 1000 -G test > > before: > 1.001007226 <not counted> cycles test > 1.001007226 7,506 cache-misses > > after: > 1.000834097 <not counted> cycles test > 1.000834097 <not counted> cache-misses test > > Signed-off-by: weiping zhang <[email protected]>
Acked-by: Jiri Olsa <[email protected]> thanks, jirka
