> > The answer is no: it solves a different problem. Group read
> > is just fine granuality counting. It cannot be used
> > to sample for multiple events in parallel.
>
> But group read disables sampling for non-leader events so the number
> of total samples should be small, no?
Yes it's smaller
Hi Andi,
(Add Jiri to CC)
On Mon, Mar 16, 2015 at 01:48:26PM -0700, Andi Kleen wrote:
> On Mon, Mar 16, 2015 at 08:35:30PM +, Liang, Kan wrote:
> > > On Fri, Mar 13, 2015 at 02:18:07AM +, kan.li...@intel.com wrote:
> > > > From: Kan Liang
> > > >
> > > > When multiple events are sampled
On Mon, Mar 16, 2015 at 08:35:30PM +, Liang, Kan wrote:
>
>
> >
> > Hi Kan,
> >
> > On Fri, Mar 13, 2015 at 02:18:07AM +, kan.li...@intel.com wrote:
> > > From: Kan Liang
> > >
> > > When multiple events are sampled it may not be needed to collect
> > > callgraphs for all of them. The
>
> Hi Kan,
>
> On Fri, Mar 13, 2015 at 02:18:07AM +, kan.li...@intel.com wrote:
> > From: Kan Liang
> >
> > When multiple events are sampled it may not be needed to collect
> > callgraphs for all of them. The sample sites are usually nearby, and
> > it's enough to collect the callgraphs o
Hi Kan,
On Fri, Mar 13, 2015 at 02:18:07AM +, kan.li...@intel.com wrote:
> From: Kan Liang
>
> When multiple events are sampled it may not be needed to collect
> callgraphs for all of them. The sample sites are usually nearby, and
> it's enough to collect the callgraphs on a reference event
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