Re: [patch] perf tools: perf list broken on ARM
From: Vince Weaver
Date: Mon Dec 09 2013 - 22:58:36 EST
On Tue, 10 Dec 2013, Namhyung Kim wrote:
> Hi Vince,
> Okay, the reason I set the bit was consideration of a very strict
> perf_event_paranoid setting (-2).
>
> So maybe we can try it again with the bit cleared after a failure, or
> checking the paranoid setting first.
If perf_event_paranoid is set to 2 then you should get EPERM rather than
ENOENT or EINVAL, right? Maybe that could be used too.
As a side note, why doesn't paranoid 2 block events that don't have
exclude_hv set?
Vince
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