Re: perf: PERF_EVENT_IOC_PERIOD on ARM vs everywhere else

[Peter Zijlstra]

On Mon, Oct 28, 2013 at 08:57:00AM +0000, Will Deacon wrote:
> > Should other architectures be updated to?  I just wanted to find out the 
> > rationale for this before I update the manpage to reflect the difference 
> > in behaviors between architectures.
> 
> I don't want to be the `oddball' architecture (at least, not more than I am
> already :), but I do find it tricky to follow the required semantics of perf
> as opposed to `it happens to work this way', especially when so much of it
> is buried in the various arch backends. So if somebody using the thing on
> ARM has (what looks to me like) a valid issue, then I usually try and fix
> it.

Hurmph.. at least raise the issue for the other archs.
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