From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: perf and containers
Date: Fri, 30 Jun 2017 08:55:13 -0600
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To: Thomas-Mich Richter <tmricht@linux.vnet.ibm.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: "linux-perf-use." <linux-perf-users@vger.kernel.org>, Hendrik Brueckner <brueckner@linux.vnet.ibm.com>

On 6/30/17 1:00 AM, Thomas-Mich Richter wrote:
> On 06/30/2017 04:16 AM, Arnaldo Carvalho de Melo wrote:
> 
> [...SNIP..]
> 
> I ran into a very similar issue when I tried the latest kernel 4.12 perf name space support.
> I was able to find the new PERF_RECORD_NAMESPACE entries in the perf.data file 
> but do not know how to interpret the ino-numbers shown in those entries.
> Right now the wrong symbols will be displayed...
> 
> How to interpret the inode numbers the perf NAMESPACE event emits?

The device and inode number can be used as an identifier (e.g., combine
into a u64) for the namespace when processing events.