Re: [GIT PULL 0/8] Annotation weekly ponies delivery

From: Peter Zijlstra
Date: Tue May 15 2012 - 06:33:07 EST

On Tue, 2012-05-15 at 00:06 +0900, Namhyung Kim wrote:

> perf_evlist__config_attrs() has this:
> if (evlist->cpus->map[0] < 0)
> opts->no_inherit = true;
> meaning that per task profiling won't enable event inheritance. I don't
> know why it's needed though.

Because you cannot have inherited per-task counters. It only works for
per-task-per-cpu counters. Otherwise you'll have a scalability

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