linux-kernel - Re: [PATCH v1 0/3] perf: Support a new coresum event qualifier

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Date:   Fri, 15 Mar 2019 16:26:09 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     "Jin, Yao" <yao.jin@...ux.intel.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, acme@...nel.org, jolsa@...nel.org,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, Linux-kernel@...r.kernel.org,
        kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH v1 0/3] perf: Support a new coresum event qualifier

> Yes, the coresum's behavior is similar as --per-core option, just supports
> at the event level. I'm OK with calling it 'per-core'.
> 
> For example,
> perf stat -e cpu/event=0,umask=0x3,per-core=1/

Please use percore, the - would need to be escaped in metric expressions.

-Andi