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From: Aravinda Prasad <aravinda@linux.vnet.ibm.com>
To: Steven Rostedt <rostedt@goodmis.org>
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 01:46:04 +0530	[thread overview]
Message-ID: <57A25104.7040805@linux.vnet.ibm.com> (raw)
In-Reply-To: <20160803161039.3180f0fd@gandalf.local.home>



On Thursday 04 August 2016 01:40 AM, Steven Rostedt wrote:
> On Thu, 4 Aug 2016 01:00:51 +0530
> Aravinda Prasad <aravinda@linux.vnet.ibm.com> wrote:
> 
>>
>>> Can a container have its own function tracing?  
>>
>> Sorry, I didn't understand that. Do you mean to have a separate
>> per-container trace files?
> 
> Actually, it's more my ignorance of containers, as I haven't had the
> need to play with them. Although, I think it may be time to do so.
> 
> When a container enters kernel mode, I'm assuming that it's part of the
> host at that moment, and the host needs to take care of separating
> everything? That is, there's not a "second kernel" like VMs have, right?

Yes. The host needs to take care of separating everything. There is no
"second kernel".

> 
> -- Steve
> 

-- 
Regards,
Aravinda

  reply	other threads:[~2016-08-03 20:16 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 [this message]
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
     [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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