From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46DFFC04A6A for ; Wed, 9 Aug 2023 15:10:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233499AbjHIPKB (ORCPT ); Wed, 9 Aug 2023 11:10:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229914AbjHIPJ7 (ORCPT ); Wed, 9 Aug 2023 11:09:59 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34D3D2111; Wed, 9 Aug 2023 08:09:59 -0700 (PDT) Date: Wed, 9 Aug 2023 17:09:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1691593797; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JzvczgdPFkQouUUGz3L2TyNkAFNFPUxSgmQh306doSQ=; b=dqk0Vrob09v4eVCKdRgp7Dz+zrDUV6Svtj2hPXdCR277r234aY5cC0KgVzMcY3eRfSVrjJ rdBuU7e2HTNgtG+6JmmQjL5PqkaEpCsJuYH9wbaZP+kHzRY16XE+g/Vrvi+dEcDo/0+r5Q AylWFzuNWLAOSFTnlx0IWpDG0MBq3bdj8zNYBPZHiltNWd2e6I1JPWw0q/AE/Z8qQyuIrh rizrT8U57pZBzWYSUvuUGt2Ox7z5EOg4VYrwDumznOrXblNfRKPl6+O8OYqCENLTX2It8u /cdmVLBTQm64Llou09gHT8X2BOIV6d2iGTCX9rAyAJu92Vhmp34BtBW7X1nAug== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1691593797; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JzvczgdPFkQouUUGz3L2TyNkAFNFPUxSgmQh306doSQ=; b=numuI4/zZaEyNESL/RbqbDFOzWaxizntZXcYYE+xrPVqmpuSjkHZlEaOFHEDNUQMtRusJ+ 5q3zm3+mCVvIhSBg== From: Anna-Maria Behnsen To: "Rafael J. Wysocki" cc: Linux PM , Kajetan Puchalski , Peter Zijlstra , LKML , Frederic Weisbecker Subject: Re: [RFT][PATCH v2 0/3] cpuidle: teo: Do not check timers unconditionally every time In-Reply-To: Message-ID: <4c3ac295-41e-8644-4eed-2e5bcdaf302c@linutronix.de> References: <5712331.DvuYhMxLoT@kreacher> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="8323329-1702551645-1691593797=:19513" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323329-1702551645-1691593797=:19513 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT On Mon, 7 Aug 2023, Rafael J. Wysocki wrote: > On Mon, Aug 7, 2023 at 5:38 PM Anna-Maria Behnsen > wrote: > > > > On Thu, 3 Aug 2023, Rafael J. Wysocki wrote: > > > > > On Thu, Aug 3, 2023 at 11:12 PM Rafael J. Wysocki wrote: > > > > > > > > Hi Folks, > > > > > > > > This is the second iteration of: > > > > > > > > https://lore.kernel.org/linux-pm/4511619.LvFx2qVVIh@kreacher/ > > > > > > > > with an additional patch. > > > > > > > > There are some small modifications of patch [1/3] and the new > > > > patch causes governor statistics to play a role in deciding whether > > > > or not to stop the scheduler tick. > > > > > > > > Testing would be much appreciated! > > > > > > For convenience, this series is now available in the following git branch: > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \ > > > pm-cpuidle-teo > > > > > > > Gauthams tests and the distribution of idle time durations looks pretty > > good. Also the prevention of calling tick_nohz_get_sleep_length() is very > > nice (21477 calls of tick_nohz_next_event() and the tick was stopped 2670 > > times). > > > > Here is the deviation of idle time durations (based on your branch): > > > > Idle Total 2670 100.00% > > x >= 4ms 2537 95.02% > > 4ms> x >= 2ms 19 0.71% > > 2ms > x >= 1ms 10 0.37% > > 1ms > x >= 500us 7 0.26% > > 500us > x >= 250us 6 0.22% > > 250us > x >=100us 13 0.49% > > 100us > x >= 50us 17 0.64% > > 50us > x >= 25us 25 0.94% > > 25us > x >= 10us 22 0.82% > > 10us > x > 5us 9 0.34% > > 5us > x 5 0.19% > > Thanks a lot for the data! > > Can I add a Tested-by: tag from you to this series? > Sure - sorry for the delay! --8323329-1702551645-1691593797=:19513--