2018-01-31 17:22 GMT+08:00 Jiri Olsa <jo...@redhat.com>: > 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 <zhangweip...@didichuxing.com> > > Acked-by: Jiri Olsa <jo...@kernel.org>
Hi Arnaldo, Ping...
