Re: [RFC PATCH v2 0/3] perf/tracefs: Container-aware tracing support

From: Eric W. Biederman
Date: Wed Aug 03 2016 - 23:13:47 EST


Hari Bathini <hbathini@xxxxxxxxxxxxxxxxxx> writes:

> This RFC patch set supports filtering container specific events
> when perf tool is executed inside a container. The patches apply
> cleanly on v4.7.0-rc7
>
> Changes from v1:
> 1/3. Revived earlier approach[1] with cgroup namespace instead
> of pid namespace
> 2/3. New patch that adds instance support for uprobe events in
> tracefs filesystem
> 3/3. New patch that adds "newinstance" mount option for tracefs
> filesystem
"newinstace" ick no.

I see no justification anywhere why the perf cgroup is not enough for
this.

Eric