Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace

[Aravinda Prasad]

On Monday 27 June 2016 09:20 PM, Peter Zijlstra wrote:
> On Tue, Jun 14, 2016 at 10:19:51PM +0530, Aravinda Prasad wrote:
>> Whenever perf tool is executed inside a container, this
>> patch restricts the events to the perf-namespace in which
>> the perf tool is executing.
>>
>> This patch is based on the existing support available
>> for tracing with cgroups.
>>
>> TODO:
>>     - Avoid code duplication.
> 
> Can't you, at perf_event_open() time, convert a per-cpu event into a
> per-cpu-per-cgroup event for these namespace thingies?
> 
> That seems to immediately and completely remove all that duplication.
> 

Yes.. that seems possible. Let me check that out.

-- 
Regards,
Aravinda