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Date: Thu, 4 Aug 2016 20:18:33 +0530 From: Aravinda Prasad <aravinda@...ux.vnet.ibm.com> To: "Eric W. Biederman" <ebiederm@...ssion.com>, Hari Bathini <hbathini@...ux.vnet.ibm.com> Cc: daniel@...earbox.net, peterz@...radead.org, linux-kernel@...r.kernel.org, acme@...nel.org, alexander.shishkin@...ux.intel.com, mingo@...hat.com, paulus@...ba.org, kernel@...p.com, rostedt@...dmis.org, viro@...iv.linux.org.uk, ananth@...ibm.com, Linux Containers <containers@...ts.linux-foundation.org> Subject: Re: [RFC PATCH v2 0/3] perf/tracefs: Container-aware tracing support On Thursday 04 August 2016 08:29 AM, Eric W. Biederman wrote: > Hari Bathini <hbathini@...ux.vnet.ibm.com> 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. perf cgroup is not enough for uprobes, because even with perf cgroups a user within a container can still list/delete uprobes registered in other containers. Regards, Aravinda > > Eric > -- Regards, Aravinda
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