Messages in this thread | | | Subject | Re: [GIT PULL 0/8] Annotation weekly ponies delivery | From | Peter Zijlstra <> | Date | Tue, 15 May 2012 12:32:53 +0200 |
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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 nightmare.
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