From: Aravinda Prasad <aravinda@linux.vnet.ibm.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>,
Hari Bathini <hbathini@linux.vnet.ibm.com>
Cc: daniel@iogearbox.net, peterz@infradead.org,
linux-kernel@vger.kernel.org, acme@kernel.org,
alexander.shishkin@linux.intel.com, mingo@redhat.com,
paulus@samba.org, kernel@kyup.com, rostedt@goodmis.org,
viro@zeniv.linux.org.uk, ananth@in.ibm.com,
Linux Containers <containers@lists.linux-foundation.org>
Subject: Re: [RFC PATCH v2 0/3] perf/tracefs: Container-aware tracing support
Date: Thu, 4 Aug 2016 20:18:33 +0530 [thread overview]
Message-ID: <57A355C1.4090004@linux.vnet.ibm.com> (raw)
In-Reply-To: <87twf1ck95.fsf@x220.int.ebiederm.org>
On Thursday 04 August 2016 08:29 AM, Eric W. Biederman wrote:
> Hari Bathini <hbathini@linux.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
next prev parent reply other threads:[~2016-08-04 14:48 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-27 21:27 [RFC PATCH v2 0/3] perf/tracefs: Container-aware tracing support Hari Bathini
2016-07-27 21:27 ` [RFC PATCH v2 1/3] perf: filter container events based on cgroup namespace Hari Bathini
2016-07-27 21:27 ` [RFC PATCH v2 2/3] tracefs: add instances support for uprobe events Hari Bathini
2016-08-01 21:45 ` Steven Rostedt
2016-08-02 17:27 ` Hari Bathini
2016-08-02 17:32 ` Hari Bathini
2016-08-02 17:49 ` Steven Rostedt
2016-08-03 19:30 ` Aravinda Prasad
2016-08-03 20:10 ` Steven Rostedt
2016-08-03 20:16 ` Aravinda Prasad
2016-08-04 1:04 ` Steven Rostedt
2016-08-04 13:46 ` Aravinda Prasad
2016-08-04 14:08 ` Steven Rostedt
2016-08-04 14:34 ` Aravinda Prasad
2016-07-27 21:27 ` [RFC PATCH v2 3/3] tracefs: add 'newinstance' mount option Hari Bathini
2016-08-04 2:54 ` Eric W. Biederman
2016-08-04 12:26 ` Hari Bathini
2016-08-04 14:12 ` Eric W. Biederman
[not found] ` <146965470618.23765.7329786743211962695.stgit-2ivJzYymj6EA+286u2LMdEEOCMrvLtNR@public.gmane.org>
2016-08-04 2:59 ` [RFC PATCH v2 0/3] perf/tracefs: Container-aware tracing support Eric W. Biederman
2016-08-04 2:59 ` Eric W. Biederman
[not found] ` <87twf1ck95.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2016-08-04 14:48 ` Aravinda Prasad
2016-08-04 14:48 ` Aravinda Prasad [this message]
[not found] ` <57A355C1.4090004-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2016-08-04 18:27 ` Eric W. Biederman
2016-08-04 18:27 ` Eric W. Biederman
[not found] ` <87h9b01ja2.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2016-08-04 19:11 ` Aravinda Prasad
2016-08-04 19:11 ` Aravinda Prasad
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