On Mon, 2009-07-27 at 18:51 +0200, stephane eranian wrote:
> I believe there is a problem with the current perf_counters (PCL)
> code for self-sampling threads. The problem is related to sample
> notifications via signal.
>
> PCL (just like perfmon) is using SIGIO, an asynchronous signal,
> to not
Peter,
On Wed, Jul 29, 2009 at 2:19 PM, Peter Zijlstra wrote:
> On Mon, 2009-07-27 at 18:51 +0200, stephane eranian wrote:
>> I believe there is a problem with the current perf_counters (PCL)
>> code for self-sampling threads. The problem is related to sample
>> notifications via signal.
>>
>> PCL
On Wed, 2009-07-29 at 14:37 +0200, stephane eranian wrote:
>
> >
> > Now I was considering teaching send_sigio_to_task() to use
> > specific_send_sig_info() when fown->pid != fown->group_leader->pid or
> > something, but I'm not sure that won't break anything.
> >
> Yes, that's the problem with to
