Re: [BUG] perf_event: sampling buffer format cannot handlemulti-event sampling

[Peter Zijlstra]

On Tue, 2011-04-19 at 21:16 +0000, Stephane Eranian wrote:
> > Or simply don't mix different sample_types in the same buffer?
> >
> Does the kernel disallow this when you merge the output via that
> ioctl()? 

No, it will happily comply and provide you with hard to parse output.
Just don't do that if you're not willing to untangle it ;-)

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