Re: [PATCH 3/3] perf target: Add need_mmap field

From: David Ahern
Date: Wed May 16 2012 - 11:32:39 EST


On 5/16/12 9:28 AM, Arnaldo Carvalho de Melo wrote:
Em Wed, May 16, 2012 at 06:45:49PM +0900, Namhyung Kim escreveu:
If perf doesn't mmap on event (like perf stat), it
should not create per-task-per-cpu events. So just
use a dummy cpu map to create a per-task event for
this case.

Humm, perhaps target.no_mmap is better? I.e. just perf-stat would set
it.


That gets back to the potential double negation Ingo frowns upon (!no_mmap).

David
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