Re: [BUG] perf: perf_swevent PMU should not be on rotation_list

2012-09-05 Thread Stephane Eranian
On Wed, Sep 5, 2012 at 7:06 PM, Peter Zijlstra wrote: > On Wed, 2012-09-05 at 16:03 +0200, Stephane Eranian wrote: >> Hi, >> >> I was looking at the rotation code and I found out that when >> I monitor a SW event (in my case a probe), I end up having >> two PMUs on the rotation list on Intel Core:

Re: [BUG] perf: perf_swevent PMU should not be on rotation_list

2012-09-05 Thread Peter Zijlstra
On Wed, 2012-09-05 at 16:03 +0200, Stephane Eranian wrote: > Hi, > > I was looking at the rotation code and I found out that when > I monitor a SW event (in my case a probe), I end up having > two PMUs on the rotation list on Intel Core: cpu and software. > > I thought there was no multiplexing n

[BUG] perf: perf_swevent PMU should not be on rotation_list

2012-09-05 Thread Stephane Eranian
Hi, I was looking at the rotation code and I found out that when I monitor a SW event (in my case a probe), I end up having two PMUs on the rotation list on Intel Core: cpu and software. I thought there was no multiplexing needed for SW events. So why is the SW PMU on the rotation list causing e