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

[Peter Zijlstra]

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.