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 X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB7C3C433DF for ; Tue, 11 Aug 2020 06:42:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AAEAB2080C for ; Tue, 11 Aug 2020 06:42:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597128179; bh=3xx6c4zzK7ZLJ7li1HjrAVE6Hwda24Z+sgWp9kk47x0=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=R8xxIEVxvmXizz+Cpb3gFx6E892ZSfn1tbGZTsViSWGOP6w72fmzTfPw75/LKkbcn Gjw4TTTlv2jEbEds5xxRsvWvq553VE5POt1IDsHSkU3pds2EwkSdtA4acnKnGs0A2y q4qmrGgZ4oDp1zkbs8iwSv1sxoLmHovAysxAoMzY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728148AbgHKGm6 (ORCPT ); Tue, 11 Aug 2020 02:42:58 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:42994 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727066AbgHKGm6 (ORCPT ); Tue, 11 Aug 2020 02:42:58 -0400 Received: by mail-wr1-f66.google.com with SMTP id r4so10359917wrx.9 for ; Mon, 10 Aug 2020 23:42:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3xx6c4zzK7ZLJ7li1HjrAVE6Hwda24Z+sgWp9kk47x0=; b=NUEE72wRKIkEbY5qV+kHbiZSz5SRD/fAwjvevVmUouPuuxdDWACFQ9rLxqXIaLdi6t j50xFssZYnO5YvQ09wBpFzoGQaN4CY0Okbd4fMvhqxi9+4u/PPspOWcoc6sMufVwuhn/ udqWv0jF11Gg9BKdD6+7IctG+0tNXyU4OKIYWo/YRsrRu9piq6aP3AlUx0dl8IBc8Dkl b8BuCdUy6nesX+Dgol4bXb+2iEHfIQHRKsMVQFTJeFIkQw9oByKO5GNFZa81j2wry7VO 1QWcHXe7fvcuT2mT15sljIVzdUTjWB4Gf/60VJQ/ALnydFjTiY4SXVUq3CSAH9p2Pv8C qh4Q== X-Gm-Message-State: AOAM532fEtnxJ+eowFdiKI+ddaFGbybLcVqDEvAAhDKxLDOIMzMkegnN GzalMYsb7VYvTWUZjlCymE6Muk6FUPdUKAxZUjovBg== X-Google-Smtp-Source: ABdhPJweUlEBXEverqx1sPmrVb1gKIVdPSH5KdkicNFQUCAetB3sWaRS/rOAOsFVeWcw7MJnUq1r14N9MmYHY15n3ho= X-Received: by 2002:a5d:6584:: with SMTP id q4mr27708002wru.21.1597128176461; Mon, 10 Aug 2020 23:42:56 -0700 (PDT) MIME-Version: 1.0 References: <20200807164844.44870-1-dsahern@kernel.org> In-Reply-To: <20200807164844.44870-1-dsahern@kernel.org> From: Namhyung Kim Date: Tue, 11 Aug 2020 15:42:45 +0900 Message-ID: Subject: Re: [PATCH 1/2] perf sched: Prefer sched_waking event when it exists To: David Ahern Cc: Arnaldo Carvalho de Melo , linux-kernel , Jiri Olsa Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi David, On Sat, Aug 8, 2020 at 1:48 AM David Ahern wrote: > > Commit fbd705a0c618 ("sched: Introduce the 'trace_sched_waking' tracepoint") > added sched_waking tracepoint which should be preferred over sched_wakeup > when analyzing scheduling delays. > > Update 'perf sched record' to collect sched_waking events if it exists > and fallback to sched_wakeup if it does not. Similarly, update timehist > command to skip sched_wakeup events if the session includes > sched_waking (ie., sched_waking is preferred over sched_wakeup). > > Signed-off-by: David Ahern Acked-by: Namhyung Kim Thanks Namhyung