Re: [PATCH v2 2/2] perf tools: add attr->mmap2 support

[Peter Zijlstra]

On Wed, Aug 21, 2013 at 12:10:25PM +0200, Stephane Eranian wrote:
> This patch adds support for the new PERF_RECORD_MMAP2
> record type exposed by the kernel. This is an extended
> PERF_RECORD_MMAP record. It adds for each file-backed
> mapping the device major, minor number and the inode
> number and generation. This triplet uniquely identifies
> the source of a file-backed mapping. It can be used to
> detect identical virtual mappings between processes, for
> instance.
> 
> The patch will prefer MMAP2 over MMAP.
> 
> Signed-off-by: Stephane Eranian <eranian@xxxxxxxxxx>

Acme, ACK?
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