linux-kernel - Re: [PATCH v3 3/3] perf, tools, script: Allow computing metrics in perf script

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Date:   Mon, 20 Nov 2017 08:03:06 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Andi Kleen <andi@...stfloor.org>, acme@...nel.org,
        jolsa@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] perf, tools, script: Allow computing metrics in
 perf script

> > Yes it is.
> > 
> > It's for the complete sampling period because it is computed
> > over the delta from the last sample to the previous sample.
> > 
> > There isn't really a metric at a point, it is always over a interval.
> 
> agreed, it's the count we meassured from the last sample.. but the
> 'averaged' word above implies to me we compute some average over the
> 'sampling' period, which we dont do

Do you have a better word in mind?

AFAIK average is the right word for this because it's the summary
for that time period.

-Andi