Re: [PATCH v2]: perf record: enable arbitrary event names thru name= modifier

From: Andi Kleen
Date: Fri Jun 01 2018 - 19:01:07 EST

On Thu, May 31, 2018 at 05:08:12PM +0300, Alexey Budankov wrote:
> Enable complex event names containing [.:=,] symbols to be encoded into Perf
> trace using name= modifier e.g. like this:
> perf record -e cpu/name=\'OFFCORE_RESPONSE:request=DEMAND_RFO:response=L3_HIT.SNOOP_HITM\',\
> period=0x3567e0,event=0x3c,cmask=0x1/Duk ./futex
> Below is how it looks like in the report output. Please note explicit escaped
> quoting at cmdline string in the header so that thestring can be directly reused
> for another collection in shell:

Patch looks good, but new syntax also needs to be documented in some manpage
(e.g. perf list)