On Thu, 12 Nov 2015, Yuanfang Chen wrote:

> And the case can be reduced to
> 
> perf stat -e \{r1000248,r148\} -- sleep 1
> 
>  Performance counter stats for 'sleep 1':
> 
>               7008      r1000248
>    <not supported>      r148

the kernel thinks that all events of type 0x48 (L1D_PEND_MISS) can only go 
into one of the counters, and thus you can't have multiple at the same 
time.

If this is a bug you'll need to report it to the perf_event developers.
I'd double check intel's documents to see what they actuall say about this 
class of events on your processor.

Vince

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