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From: Thomas Gleixner <tglx@linutronix.de>
To: Eric Dumazet <edumazet@google.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	linux-pm@vger.kernel.org, "Paul E. McKenney" <paulmck@kernel.org>
Subject: Re: [patch 00/10] x86/cpu: Consolidate APERF/MPERF code
Date: Tue, 19 Apr 2022 22:39:05 +0200	[thread overview]
Message-ID: <87ee1svmdy.ffs@tglx> (raw)
In-Reply-To: <CANn89iL+CHRi1HJ6Mp4u=ECnfAXV2qxXZj_BsQuv+uwheAfDDw@mail.gmail.com>

Eric,

On Tue, Apr 19 2022 at 08:51, Eric Dumazet wrote:
> On Fri, Apr 15, 2022 at 12:19 PM Thomas Gleixner <tglx@linutronix.de> wrote:
>> It could be argued that not all APERF/MPERF capable systems have the
>> required BIOS information to enable frequency invariance support, but in
>> practice most of them do. So the APERF/MPERF sampling can be made
>> unconditional and just the frequency scale calculation for the scheduler
>> excluded.
>>
>> The following series consolidates that.
>>
>
> Thanks a lot for working on that Thomas.
>
> I am not sure I will be able to backport this to a Google prodkernel,
> as I guess there will be many merge conflicts.

:)

> Do you have by any chance this work available in a git branch ?

 git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/amperf

Thanks,

        tglx

  reply	other threads:[~2022-04-19 20:39 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-15 19:19 [patch 00/10] x86/cpu: Consolidate APERF/MPERF code Thomas Gleixner
2022-04-15 19:19 ` [patch 01/10] x86/aperfmperf: Dont wake idle CPUs in arch_freq_get_on_cpu() Thomas Gleixner
2022-04-19 15:34   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-15 19:19 ` [patch 02/10] x86/smp: Move APERF/MPERF code where it belongs Thomas Gleixner
2022-04-19 15:40   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-15 19:19 ` [patch 03/10] x86/aperfmperf: Separate AP/BP frequency invariance init Thomas Gleixner
2022-04-19 16:04   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-15 19:19 ` [patch 04/10] x86/aperfmperf: Untangle Intel and AMD " Thomas Gleixner
2022-04-19 16:12   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-27 18:27   ` tip-bot2 for Thomas Gleixner
2022-04-15 19:19 ` [patch 05/10] x86/aperfmperf: Put frequency invariance aperf/mperf data into a struct Thomas Gleixner
2022-04-19 16:15   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-27 18:27   ` tip-bot2 for Thomas Gleixner
2022-04-15 19:19 ` [patch 06/10] x86/aperfmperf: Restructure arch_scale_freq_tick() Thomas Gleixner
2022-04-19 16:20   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-27 18:27   ` tip-bot2 for Thomas Gleixner
2022-04-15 19:19 ` [patch 07/10] x86/aperfmperf: Make parts of the frequency invariance code unconditional Thomas Gleixner
2022-04-19 16:27   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-27 18:27   ` tip-bot2 for Thomas Gleixner
2022-04-15 19:20 ` [patch 08/10] x86/aperfmperf: Store aperf/mperf data for cpu frequency reads Thomas Gleixner
2022-04-19 16:30   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-27 18:27   ` tip-bot2 for Thomas Gleixner
2022-04-15 19:20 ` [patch 09/10] x86/aperfmperf: Replace aperfmperf_get_khz() Thomas Gleixner
2022-04-19 16:35   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-27 18:27   ` tip-bot2 for Thomas Gleixner
2022-04-15 19:20 ` [patch 10/10] x86/aperfmperf: Replace arch_freq_get_on_cpu() Thomas Gleixner
2022-04-19 16:37   ` Rafael J. Wysocki
2022-04-27 13:56   ` [tip: x86/cleanups] " tip-bot2 for Thomas Gleixner
2022-04-27 18:27   ` tip-bot2 for Thomas Gleixner
2022-04-19 15:51 ` [patch 00/10] x86/cpu: Consolidate APERF/MPERF code Eric Dumazet
2022-04-19 20:39   ` Thomas Gleixner [this message]
2022-04-19 21:20     ` Eric Dumazet
2022-04-19 16:41 ` Peter Zijlstra
2022-04-19 17:32 ` Doug Smythies
2022-04-19 18:49   ` Rafael J. Wysocki
2022-04-19 21:11     ` Thomas Gleixner
2022-04-20 22:08       ` Doug Smythies
2022-04-25 15:45         ` Thomas Gleixner
2022-04-25 23:20           ` Doug Smythies
2022-04-27 13:56           ` [tip: x86/cleanups] x86/aperfmperf: Integrate the fallback code from show_cpuinfo() tip-bot2 for Thomas Gleixner
2022-04-27 18:27           ` tip-bot2 for Thomas Gleixner
2022-04-19 21:56 ` [patch 00/10] x86/cpu: Consolidate APERF/MPERF code Paul E. McKenney

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