Re: perf: prctl(PR_TASK_PERF_EVENTS_DISABLE) has no effect

[Andrew Steets]

On 1/28/12 6:01 AM, Ingo Molnar wrote:

> > prctl(PR_TASK_PERF_EVENTS_DISABLE) doesn't appear to disable
> > perf event counters.  Here is a demonstration program:
>
> btw., what's your usecase?

I'm trying to profile a small section of a long-running program.  I ran
into trouble using call-graph recording and I thought this might be an
alternative way of getting what I was after.

-Andrew

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