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 5AB45C433FE for ; Mon, 10 Oct 2022 23:59:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229817AbiJJX7u (ORCPT ); Mon, 10 Oct 2022 19:59:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230246AbiJJX7d (ORCPT ); Mon, 10 Oct 2022 19:59:33 -0400 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F33DF7FFA0; Mon, 10 Oct 2022 16:59:24 -0700 (PDT) Received: by mail-pj1-x102d.google.com with SMTP id 70so11042968pjo.4; Mon, 10 Oct 2022 16:59:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=XATmXDDouGmZ8eVmg2gOICME3agw6HNrb3TQMDuvm/4=; b=AS5j0WakWcXloGTMkDVqd2Cneha7BIrjvG2XXT41mxwinS7nhAdmQDYDl1IzutSN7N GtfRRcfzd/xXbKbIdHhfHCn7qpzNdjU25NUUUIt8Lj2MXVutYNCUSLZczrKNSg7HShqK G+LNdMzkSzzqM2Tl1x5FWduRvauGP8dZvRrRveXpg9Iv9KPDRJID+v0C8uufmRDysenO 7AB7VUpvwZQibh3eFsy3F4vSq9HU8M+WE4BnUTlc/ZJpGSmRtHMdsfNXIFkmygCi03+G UlASbuOBE7FXyQhJNlcCOZIYSvSritHqCB5kuLO4I2L4te6Ox7aSJyuxic4Kwee29AwF Qfsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=XATmXDDouGmZ8eVmg2gOICME3agw6HNrb3TQMDuvm/4=; b=YzC9UbzCGS1M10wGcBPzpbacrVzCBXQxFQhtGRwWKEnHKF/SbCzaiLU6uEDVHY9tc+ X3ucV1OxiOxJzpOdQr0j7EuudeeZc2WeFHWn5owhHEMPkjdHUQQ5mu9H2IHSaM3Fq5hM AQFurdZnW9m/CIZ5V/CB+tsRcD1wJVDV11L6tO0dqStsV7OW79huR+PJhzOoNwWnvWKv ODWibtyb9XQWpD62KTWt8doGIjer50Bs6U4l4FXdN+CQDJvMbnX9Xs1rrFLz5Ep+e33g b8kRbozselQtltWKrO5j1JR2yxyB/9YMUPfeYJhWwFlbMtex5tSRtXnB+gYem93bLZfk ivKQ== X-Gm-Message-State: ACrzQf1pa/MQOQqWLkw6n10NFstqbaX6zkRdPvp97GI1TYqQODuJDhaN 4IdsUs1+YmYsIoICCJJUVDI= X-Google-Smtp-Source: AMsMyM55f6qfG3GKGkE8TBhQ7GPkPeadXYHc9TiiKUZFs2qxbbAURTiSOOoDjD0fLcDWjglf0PH1/Q== X-Received: by 2002:a17:902:d2cc:b0:182:d901:5d28 with SMTP id n12-20020a170902d2cc00b00182d9015d28mr5580837plc.142.1665446361746; Mon, 10 Oct 2022 16:59:21 -0700 (PDT) Received: from localhost (2603-800c-1a02-1bae-a7fa-157f-969a-4cde.res6.spectrum.com. [2603:800c:1a02:1bae:a7fa:157f:969a:4cde]) by smtp.gmail.com with ESMTPSA id f13-20020a170902f38d00b00172fc5b0764sm7111255ple.270.2022.10.10.16.59.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Oct 2022 16:59:21 -0700 (PDT) Sender: Tejun Heo Date: Mon, 10 Oct 2022 13:59:20 -1000 From: Tejun Heo To: Namhyung Kim Cc: Zefan Li , Johannes Weiner , cgroups@vger.kernel.org, Arnaldo Carvalho de Melo , Jiri Olsa , LKML , linux-perf-users@vger.kernel.org, Song Liu , bpf@vger.kernel.org Subject: Re: [PATCH] perf stat: Support old kernels for bperf cgroup counting Message-ID: References: <20220922041435.709119-1-namhyung@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220922041435.709119-1-namhyung@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 21, 2022 at 09:14:35PM -0700, Namhyung Kim wrote: > The recent change in the cgroup will break the backward compatiblity in > the BPF program. It should support both old and new kernels using BPF > CO-RE technique. > > Like the task_struct->__state handling in the offcpu analysis, we can > check the field name in the cgroup struct. > > Signed-off-by: Namhyung Kim Looks like it's acked enough but the patch doesn't apply anymore. Namhyung, can you please refresh the patch? I'll route this through cgroup/for-6.1-fixes unless somebody objects. Thanks. -- tejun