Re: [PATCHv2 4/5] perf stat: Add -a as a default target
From: Borislav Petkov
Date: Tue Feb 21 2017 - 09:06:23 EST
On Tue, Feb 21, 2017 at 10:34:26AM -0300, Arnaldo Carvalho de Melo wrote:
> It _is_ supported by the kernel, and by the hardware, its just that it
> is not supported in system wide mode, that BTW, in the case above, the
> user doesn't even asked for (-a wasn't in the command line).
Well, that warning is issued for a bunch of errno's. Lumping them all
together is probably not what you want.
Also, EINVAL for example, as I noted earlier, can be issued for a
variety of conditions...
--
Regards/Gruss,
Boris.
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