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.
