Messages in this thread | | | Date | Mon, 11 Nov 2013 16:02:47 -0500 (EST) | From | Vince Weaver <> | Subject | Re: [PATCH 03/10] perf record: Synthesize non-exec MMAP records when --data used |
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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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