linux-kernel - Re: [PATCH v3 3/3] perf tool: add cgroup identifier entry in perf report

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Message-ID: <87k2b233up.fsf@xmission.com>
Date:   Thu, 15 Dec 2016 04:52:30 +1300
From:   ebiederm@...ssion.com (Eric W. Biederman)
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Hari Bathini <hbathini@...ux.vnet.ibm.com>, ast@...com,
        lkml <linux-kernel@...r.kernel.org>, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, mingo@...hat.com,
        daniel@...earbox.net, rostedt@...dmis.org,
        Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>,
        sargun@...gun.me, Aravinda Prasad <aravinda@...ux.vnet.ibm.com>,
        brendan.d.gregg@...il.com
Subject: Re: [PATCH v3 3/3] perf tool: add cgroup identifier entry in perf report

Peter Zijlstra <peterz@...radead.org> writes:

> On Wed, Dec 14, 2016 at 08:56:43AM +1300, Eric W. Biederman wrote:
>> 
>> I would just make the identifier a structure containing the
>> device number and the inode number.  It didn't look like perf required
>> the identifier to be a simple integer.
>
> Right, perf doesn't care at all here, its just a transport.

perf report?  In that case I think perf cares enough to know there is
some identifier it is reporting things by.

Eric