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From: Andi Kleen <ak@linux.intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	acme@kernel.org, jolsa@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/3] perf, tools, script: Allow computing metrics in perf script
Date: Mon, 20 Nov 2017 08:03:06 -0800	[thread overview]
Message-ID: <20171120160306.GG28112@tassilo.jf.intel.com> (raw)
In-Reply-To: <20171120155345.GB13495@krava>

> > 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

  reply	other threads:[~2017-11-20 16:03 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-17 21:42 Add fine grained sampled metrics for " Andi Kleen
2017-11-17 21:42 ` [PATCH v3 1/3] perf, tools, record: Synthesize unit/scale/... in event update Andi Kleen
2017-12-06 16:31   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2017-11-17 21:42 ` [PATCH v3 2/3] perf, tools, record: Synthesize thread map and cpu map Andi Kleen
2017-12-06 16:32   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2017-11-17 21:43 ` [PATCH v3 3/3] perf, tools, script: Allow computing metrics in perf script Andi Kleen
2017-11-20  9:04   ` Jiri Olsa
2017-11-20 15:35     ` Andi Kleen
2017-11-20 15:53       ` Jiri Olsa
2017-11-20 16:03         ` Andi Kleen [this message]
2017-11-21  9:28           ` Jiri Olsa
2017-11-21 17:07             ` Andi Kleen
2017-11-21 21:28               ` Jiri Olsa
2017-12-06 16:32   ` [tip:perf/core] perf script: Allow computing 'perf stat' style metrics tip-bot for Andi Kleen
2017-11-23  7:47 ` Add fine grained sampled metrics for perf script Jiri Olsa
2017-11-23 17:46   ` Arnaldo Carvalho de Melo

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