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From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman)
To: Hari Bathini
	<hbathini-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Cc: ananth-xthvdsQ13ZrQT0dZR+AlfA@public.gmane.org,
	daniel-FeC+5ew28dpmcu3hnIyYJQ@public.gmane.org,
	Linux Containers
	<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	acme-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	alexander.shishkin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
	mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org,
	rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org,
	aravinda-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org,
	kernel-6AxghH7DbtA@public.gmane.org,
	viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org
Subject: Re: [RFC PATCH v2 0/3] perf/tracefs: Container-aware tracing support
Date: Wed, 03 Aug 2016 21:59:02 -0500	[thread overview]
Message-ID: <87twf1ck95.fsf@x220.int.ebiederm.org> (raw)
In-Reply-To: <146965470618.23765.7329786743211962695.stgit-2ivJzYymj6EA+286u2LMdEEOCMrvLtNR@public.gmane.org> (Hari Bathini's message of "Thu, 28 Jul 2016 02:57:16 +0530")

Hari Bathini <hbathini-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> 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

WARNING: multiple messages have this Message-ID (diff)
From: ebiederm@xmission.com (Eric W. Biederman)
To: 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, aravinda@linux.vnet.ibm.com,
	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: Wed, 03 Aug 2016 21:59:02 -0500	[thread overview]
Message-ID: <87twf1ck95.fsf@x220.int.ebiederm.org> (raw)
In-Reply-To: <146965470618.23765.7329786743211962695.stgit@hbathini.in.ibm.com> (Hari Bathini's message of "Thu, 28 Jul 2016 02:57:16 +0530")

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.

Eric

  parent reply	other threads:[~2016-08-04  2:59 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   ` Eric W. Biederman [this message]
2016-08-04  2:59     ` [RFC PATCH v2 0/3] perf/tracefs: Container-aware tracing support Eric W. Biederman
2016-08-04 14:48     ` Aravinda Prasad
     [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
     [not found]     ` <87twf1ck95.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2016-08-04 14:48       ` Aravinda Prasad

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