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From: Steven Rostedt <rostedt@goodmis.org>
To: Aravinda Prasad <aravinda@linux.vnet.ibm.com>
Cc: Hari Bathini <hbathini@linux.vnet.ibm.com>,
	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, ebiederm@xmission.com, kernel@kyup.com,
	viro@zeniv.linux.org.uk, ananth@in.ibm.com
Subject: Re: [RFC PATCH v2 2/3] tracefs: add instances support for uprobe events
Date: Thu, 4 Aug 2016 10:08:46 -0400	[thread overview]
Message-ID: <20160804100846.5f36a00a@gandalf.local.home> (raw)
In-Reply-To: <57A3471B.4080100@linux.vnet.ibm.com>

On Thu, 4 Aug 2016 19:16:03 +0530
Aravinda Prasad <aravinda@linux.vnet.ibm.com> wrote:


> Separation is based on the context in which the function is called.
> Hence, containers can see only those kernel functions that are
> triggered/invoked by the processes running inside that container and
> should not see other kernel functions, for example, called by RCU grace
> period kthread or any other kthread.
> 

What about interrupts and softirqs? They run under the container
process's context, but service other processes outside the container.
Same goes for trace events.

-- Steve

  reply	other threads:[~2016-08-04 14:11 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 [this message]
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
     [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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