Re: [RFC 0/5] perf: Allow leader sampling on inherited events

2014-08-23 Thread Jiri Olsa
On Sat, Aug 23, 2014 at 02:55:32PM -0400, Jen-Cheng(Tommy) Huang wrote: > Hi Jiri, > > 1. Thank you so much for providing the patch. > I am trying to test out the patch. > (I got the source using "git checkout -b perf > remotes/origin/perf/core_format_group" > after clone) > However, the perf in y

Re: [RFC 0/5] perf: Allow leader sampling on inherited events

2014-08-22 Thread Jiri Olsa
On Fri, Aug 22, 2014 at 03:05:13PM +0200, Jiri Olsa wrote: > hi, > Jen-Cheng(Tommy) Huang reported the leader sampling not working > on children processes: > http://www.mail-archive.com/linux-perf-users@vger.kernel.org/msg01644.html > > The leader sampling (example below) lets the group leader e

[RFC 0/5] perf: Allow leader sampling on inherited events

2014-08-22 Thread Jiri Olsa
hi, Jen-Cheng(Tommy) Huang reported the leader sampling not working on children processes: http://www.mail-archive.com/linux-perf-users@vger.kernel.org/msg01644.html The leader sampling (example below) lets the group leader event (cycles) do the sampling and reads the rest of the group (cache-mi