On 07/09/2019 05:43 PM, Peter Zijlstra wrote:
That's almost a year ago; I really can't remember that and you didn't
put any of that in your Changelog to help me remember.
(also please use: https://lkml.kernel.org/r/$msgid style links)
OK, I'll put this link in the cover letter or commit log fo
On Tue, Jul 09, 2019 at 10:58:46AM +0800, Wei Wang wrote:
> On 07/08/2019 10:29 PM, Peter Zijlstra wrote:
>
> Thanks for the comments.
>
> >
> > > diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
> > > index 0ab99c7..19e6593 100644
> > > --- a/include/linux/perf_event.h
> > >
On 07/08/2019 10:29 PM, Peter Zijlstra wrote:
Thanks for the comments.
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 0ab99c7..19e6593 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -528,6 +528,7 @@ typedef void (*perf_overflow_handler_
On Mon, Jul 08, 2019 at 09:23:14AM +0800, Wei Wang wrote:
> In some cases, an event may be created without needing a counter
> allocation. For example, an lbr event may be created by the host
> only to help save/restore the lbr stack on the vCPU context switching.
>
> This patch adds a new interfa
In some cases, an event may be created without needing a counter
allocation. For example, an lbr event may be created by the host
only to help save/restore the lbr stack on the vCPU context switching.
This patch adds a new interface to allow users to create a perf event
without the need of counter
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