On Mon, Jul 07, 2014 at 12:20:20PM +0200, Jiri Olsa wrote:
> On Mon, Jul 07, 2014 at 11:04:28AM +0200, Peter Zijlstra wrote:
> > On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
> > > From: Jiri Olsa
> > >
> > > While iterating siblings in perf_output_read_group we could
> > > race
On Mon, Jul 07, 2014 at 11:04:28AM +0200, Peter Zijlstra wrote:
> On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
> > From: Jiri Olsa
> >
> > While iterating siblings in perf_output_read_group we could
> > race with addition and removal of sibling in perf_group_attach
> > and
On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
> From: Jiri Olsa
>
> While iterating siblings in perf_output_read_group we could
> race with addition and removal of sibling in perf_group_attach
> and perf_group_detach respective.
So why would anybody do this?
> While in
On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
From: Jiri Olsa jo...@redhat.com
While iterating siblings in perf_output_read_group we could
race with addition and removal of sibling in perf_group_attach
and perf_group_detach respective.
So why would anybody do this?
While in
On Mon, Jul 07, 2014 at 11:04:28AM +0200, Peter Zijlstra wrote:
On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
From: Jiri Olsa jo...@redhat.com
While iterating siblings in perf_output_read_group we could
race with addition and removal of sibling in perf_group_attach
and
On Mon, Jul 07, 2014 at 12:20:20PM +0200, Jiri Olsa wrote:
On Mon, Jul 07, 2014 at 11:04:28AM +0200, Peter Zijlstra wrote:
On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
From: Jiri Olsa jo...@redhat.com
While iterating siblings in perf_output_read_group we could
race
hi,
any feedback?
thanks,
jirka
On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
> From: Jiri Olsa
>
> While iterating siblings in perf_output_read_group we could
> race with addition and removal of sibling in perf_group_attach
> and perf_group_detach respective.
>
> While in
hi,
any feedback?
thanks,
jirka
On Wed, Jun 25, 2014 at 08:44:35PM +0200, Jiri Olsa wrote:
From: Jiri Olsa jo...@redhat.com
While iterating siblings in perf_output_read_group we could
race with addition and removal of sibling in perf_group_attach
and perf_group_detach respective.
While
From: Jiri Olsa
While iterating siblings in perf_output_read_group we could
race with addition and removal of sibling in perf_group_attach
and perf_group_detach respective.
While in perf_output_read_group we are under active context,
so the only sibling_list modification could come via IPI in:
From: Jiri Olsa jo...@redhat.com
While iterating siblings in perf_output_read_group we could
race with addition and removal of sibling in perf_group_attach
and perf_group_detach respective.
While in perf_output_read_group we are under active context,
so the only sibling_list modification could
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