Re: User defined metrics for perf stat?

[Andreas Hollmann <hollmann@in.tum.de>]

Jiri, how do you handle raw counters with this python stat__*
callback? What is the name of the callback?

Is there any documentation on that? Thanks!

./perf stat -e cycles,"cpu/config=0x6530160/" record kill
kill: not enough arguments

 Performance counter stats for 'kill':

         1,016,510      cycles
             3,445      cpu/config=0x6530160/

       0.001278590 seconds time elapsed

./perf script
CPU   THREAD             VAL             ENA             RUN
 TIME EVENT
 -1    18827         1016510          747877          747877
1278590 cycles
 -1    18827            3445          747877          747877
1278590 cpu/config=0x6530160/

2016-02-02 9:58 GMT+01:00 Jiri Olsa <jolsa@redhat.com>:
> On Tue, Feb 02, 2016 at 12:33:51AM +0100, Andreas Hollmann wrote:
>> Thanks, this is what I was looking for!
>>
>> Why was the formula language abandoned? To restricted?
>> It would be still useful for interval prints.
>
> yea the python script interface is way more powerful
> then whatever we would come with
>
>>
>> perf stat record und perf stat report work,
>> but I get with perf script the following output/error. (Kernel 4.4,
>> perf 4.5-rc2)
>>
>> $ perf script -s scripts/python/stat-cpi.py
>> Display of symbols requested but neither sample IP nor sample address
>> is selected. Hence, no addresses to convert to symbols.
>
> hum, what was the record command? so I could recreate..
>
> thanks,
> jirka