Re: [BUG] perf stat: useless output for raw events with new eventparser

From: Peter Zijlstra
Date: Mon Apr 23 2012 - 06:49:05 EST


On Mon, 2012-04-23 at 12:45 +0200, Stephane Eranian wrote:
> Hi,
>
> With the new event parser, one can express raw events field by field:
>
> $ perf stat -e cpu/event=0x3c,umask=0x0/,cpu/event=0xc5,umask=0x0/ noploop 1
>
> The problem with this is that the output of perf stat becomes useless:
>
> $ perf stat -e cpu/event=0x3c,umask=0x0/,cpu/event=0xc5,umask=0x0/ noploop 1
> noploop for 1 seconds
>
> Performance counter stats for 'noploop 1':
>
> 2395038678 pmu
> 10787 pmu
> ^^^^^^
> 1.000802603 seconds time elapsed

Yeah, I already complained about that.. Jolsa proposed adding a name=
parameter so you could explicitly name your events. I think I've seen a
patch adding that, but can't atm seem to locate it.

Jiri?
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