Re: Pressure stall information (was: Re: linux-signed-amd64_5.0.1+1~exp1_source.changes ACCEPTED into experimental, experimental)

From	Martin Steigerwald <martin@lichtvoll.de>
Newsgroups	linux.debian.kernel
Subject	Re: Pressure stall information (was: Re: linux-signed-amd64_5.0.1+1~exp1_source.changes ACCEPTED into experimental, experimental)
Date	2019-03-15 21:20 +0100
Message-ID	<xC1t7-2JD-1@gated-at.bofh.it> (permalink)
References	<xBtUt-6Rr-5@gated-at.bofh.it> <xBXzb-jY-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Harald Weidner - 15.03.19, 17:02:
> Is there any chance to get pressure stall information (CONFIG_PSI)
> enabled on the linux-image 4.20 and 5.x packages?
> 
> Pressure stall information are a useful extension to the load average
> numbers. They allow a better distinction between cpu, memory and i/o
> bound workloads.
> 
> See https://lwn.net/Articles/759781/ and
> https://lwn.net/Articles/759658/ for details.

I second this. Would be really nice to have.

I contacted atop author Gerlof about support for it and he implemented 
it already (extraline "PSI"). Marc packaged it as atop 2.4-1.

Thanks,
-- 
Martin

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linux-signed-amd64_5.0.1+1~exp1_source.changes ACCEPTED into experimental, experimental Debian FTP Masters <ftpmaster@ftp-master.debian.org> - 2019-03-14 09:30 +0100
  Pressure stall information (was: Re:  linux-signed-amd64_5.0.1+1~exp1_source.changes ACCEPTED into experimental,  experimental) Harald Weidner <hweidner-lists@gmx.net> - 2019-03-15 17:10 +0100
    Re: Pressure stall information (was: Re: linux-signed-amd64_5.0.1+1~exp1_source.changes ACCEPTED into experimental, experimental) Martin Steigerwald <martin@lichtvoll.de> - 2019-03-15 21:20 +0100

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