On Mon, Nov 02, 2020 at 06:41:43PM -0800, Andi Kleen wrote:
> On Mon, Nov 02, 2020 at 03:16:25PM +0100, Peter Zijlstra wrote:
> > On Sun, Nov 01, 2020 at 07:52:38PM -0800, Andi Kleen wrote:
> > > The main motivation is actually that the "multiple groups" algorithm
> > > in perf doesn't work all
On Mon, Nov 02, 2020 at 03:16:25PM +0100, Peter Zijlstra wrote:
> On Sun, Nov 01, 2020 at 07:52:38PM -0800, Andi Kleen wrote:
> > The main motivation is actually that the "multiple groups" algorithm
> > in perf doesn't work all that great: it has quite a few cases where it
> > starves groups or
On Sun, Nov 01, 2020 at 07:52:38PM -0800, Andi Kleen wrote:
> The main motivation is actually that the "multiple groups" algorithm
> in perf doesn't work all that great: it has quite a few cases where it
> starves groups or makes the wrong decisions. That is because it is very
> difficult (likely
> hm, it's too late for me to check ;-) but should I be able to do
> this with exclusive event.. running both command at the same time:
Yes. The exclusive part only applies during a given context,
but the two commands are different contexts.
You would only see a difference when in the same
On Thu, Oct 29, 2020 at 05:27:19PM +0100, Peter Zijlstra wrote:
> Hi,
>
> Andi recently added exclusive event group support to tools/perf:
>
> https://lkml.kernel.org/r/20201014144255.22699-1-a...@firstfloor.org
>
> and promptly found that they didn't work as specified.
>
> (sorry for the
Hi,
Andi recently added exclusive event group support to tools/perf:
https://lkml.kernel.org/r/20201014144255.22699-1-a...@firstfloor.org
and promptly found that they didn't work as specified.
(sorry for the resend, I forgot LKML the first time)
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