linux-kernel - Re: [PATCH] perf: Timehist account sch delay for scheduled out running

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Message-ID: <e78393a53b49416088b4d3e849f75686@amazon.com>
Date: Tue, 18 Jun 2024 08:44:34 +0000
From: "Sieber, Fernand" <sieberf@...zon.com>
To: "20240613185906.31082-1-sieberf@...zon.com"
	<20240613185906.31082-1-sieberf@...zon.com>
CC: "linux-perf-users@...r.kernel.org" <linux-perf-users@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Peter Zijlstra
	<peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, "Arnaldo Carvalho de
 Melo" <acme@...nel.org>, Alexander Shishkin
	<alexander.shishkin@...ux.intel.com>, Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH] perf: Timehist account sch delay for scheduled out running

Hi Maladi,

Ok, thanks for the feedback. I will submit another revision with the updated man page then. In my opinion it makes more sense to measure the scheduling delay as the runnable delay (wakeup and pre empted), as we need to consider both cases when benchmarking scheduling policies. However if there is/was a specific reason to restrict scheduling delay in timehist as the measure of wakeup delay only please let me know.

--Fernand