Re: [PATCH V8 3/8] perf, x86: handle multiple records in PEBS buffer

[Andi Kleen]

> The first issue is that the 'status' field of the PEBS record is a copy
> of the GLOBAL_STATUS MSR at PEBS assist time. To see why this is a

I wanted to mention that Skylake has this issue fixed. The status
field in PEBS is now only the counter that triggered the PEBS record.

> The second issue is that the hardware will only emit one record for two
> or more counters if the event that triggers the assist is 'close'. The

If two events gets merged it is one or the other.

-Andi
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