Re: perf MMAP2 interface and COW faults

[Peter Zijlstra]

On Fri, Mar 14, 2014 at 08:58:37AM -0400, Don Zickus wrote:
> Hmmm.  That will probably work for future mmap events.  My problem is for
> synthesized mmap events.  We read the same protection bits from
> /proc/<pid>/maps file, so I assume the same strategy can work for those
> events too?

Yeah, so /proc/$pid/maps doesn't contain all those bits, but it does
have the prot read/write/exec and flags shared/private thing, which
should be sufficient for your needs.
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