Re: [PATCH 03/10] perf record: Synthesize non-exec MMAP records when--data used

[Vince Weaver]

On Mon, 11 Nov 2013, David Ahern wrote:

> [Added Vince]
> 
> On 11/11/13, 1:22 PM, Arnaldo Carvalho de Melo wrote:
> > When perf_event_attr.mmap_data is set the kernel will generate
> > PERF_RECORD_MMAP events when non-exec (data, SysV mem) mmaps are
> > created, so we need to synthesize from /proc/pid/maps for existing
> > threads
> 
> Seems like that should be documented in the man pages:
> 
> [dsa@MacBook perf]$ egrep -r mmap_data Documentation/
> [dsa@MacBook perf]$
> 
> Vince: where are you keeping the man page you are putting together?

It's in the official linux manpage git tree (perf_event_open.2) and
has been included in the last few manpage releases.  

There is a blurb on PERF_RECORD_MMAP, though it definitely could use a 
bit more elaboration.

Vince
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