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

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Message-ID: <20161214082415.GM3124@twins.programming.kicks-ass.net>
Date:   Wed, 14 Dec 2016 09:24:15 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
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

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.