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 9D6EEC32772 for ; Tue, 16 Aug 2022 22:18:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237879AbiHPWSA (ORCPT ); Tue, 16 Aug 2022 18:18:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237998AbiHPWRx (ORCPT ); Tue, 16 Aug 2022 18:17:53 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5A987901A9; Tue, 16 Aug 2022 15:17:50 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id d16so10428868pll.11; Tue, 16 Aug 2022 15:17:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:from:to:cc; bh=OB8RDF87cTmELNf7aw7q4YYpUSHmX8OtlvjYs3kFhr0=; b=cLdY1RNjmC1OlOQ58Aj1kl0m1QGT70JSthx1sOxB6PLSZLnXytfnW7KVUyJrw4ILU6 n7N6DPzadmTiMz5IL6S4fdu0FVkq+/FJ2HdYvMLYEC4zRwa67JbF6Sny9B40YcBLn4fg ohnYCLh5WtAvF0bc9dFPHItMkPxb4pdO5J++g2APvYqVgvfENoNCY4RB7pbrrF1BVIT3 anw7II4R90l1B63xdm3wVCCeULjT7spaLcd0hocWNQiWzNqZzoMwzIGMKJzrFDWYFbhR 8R8zZxwu8MzQFDVdNetpC4RnPL6bFFcmoP3td/QP09ra2EXEQbwt1mSk2feHRb/+qz0y h4+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:sender:x-gm-message-state:from:to:cc; bh=OB8RDF87cTmELNf7aw7q4YYpUSHmX8OtlvjYs3kFhr0=; b=SBoXTAh11+kwBOAJlPUbvXrycTb9IVbWcRckf73AimqJOFPbxnRu8vdZlGrIR/0QPs SQkFVCBcXzrepXOZqzi24yocLtnkxd7wkRAzVqt1iNRQaVVkS+GbbKq6G8yDU3D1qtA9 QAPqUXa40P3/8uxFCyoDcqWUowu/K6rdU/DBV5YywdVG/4NH//MrhJ/LXg72alf+On37 AYjvtfXCZqo/2wXopnwZqU2DkWaoRPKX1Jq3H1YbJi265kkvfTAzOFMx21Z7swI53mKg Y+n1wKsyJh7A2EfkTpImt8eT/OJpPWMmKoAfhdZKt5MEfcEDwrfrTMNib3M7JJm0Jjfs SAPw== X-Gm-Message-State: ACgBeo3lpCnUeEJvu32jvrnZXhRmSaBHu3XRsvYA0d7bxT7OkZTfmqUc GXqrjPh7mGPyZM8mIb0ftPPWyN1aEzI= X-Google-Smtp-Source: AA6agR7/vFKp5+pTpC3YdQO45AeYq4bPMXwFZsqW8mnAS7I6tSnHUwmI/rSTcyZmN9GCFgnup+dUDg== X-Received: by 2002:a17:90b:17c9:b0:1f3:3a7c:a3a7 with SMTP id me9-20020a17090b17c900b001f33a7ca3a7mr734547pjb.76.1660688269758; Tue, 16 Aug 2022 15:17:49 -0700 (PDT) Received: from balhae.hsd1.ca.comcast.net ([2601:647:6780:1040:d539:e967:9fd8:5c81]) by smtp.gmail.com with ESMTPSA id 3-20020a620603000000b0052b7f0ff197sm8965943pfg.49.2022.08.16.15.17.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Aug 2022 15:17:49 -0700 (PDT) Sender: Namhyung Kim From: Namhyung Kim To: Arnaldo Carvalho de Melo , Jiri Olsa Cc: Ingo Molnar , Peter Zijlstra , LKML , Ian Rogers , linux-perf-users@vger.kernel.org Subject: [PATCH 0/4] perf tools: Support reading PERF_FORMAT_LOST (v2) Date: Tue, 16 Aug 2022 15:17:43 -0700 Message-Id: <20220816221747.275828-1-namhyung@kernel.org> X-Mailer: git-send-email 2.37.1.595.g718a3a8f04-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Hello, The kernel v6.0 added PERF_FORMAT_LOST which can read a number of lost samples for the given event. As it can change the output format of read(2) and perf sample data, it needs to access them carefully. Changes in v2) * add a comment in perf_evsel__read_group() (Jiri) * simplify perf_evsel__adjust_values() (Jiri) You can get the code from 'perf/read-lost-v2' brach on git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git Thanks, Namhyung Namhyung Kim (4): tools headers UAPI: Sync linux/perf_event.h with the kernel sources tools lib perf: Handle read format in perf_evsel__read() tools lib perf: Add a test case for read formats perf tools: Support reading PERF_FORMAT_LOST tools/include/uapi/linux/perf_event.h | 5 +- tools/lib/perf/evsel.c | 79 ++++++++- tools/lib/perf/include/perf/event.h | 3 +- tools/lib/perf/include/perf/evsel.h | 4 +- tools/lib/perf/tests/test-evsel.c | 161 ++++++++++++++++++ tools/perf/tests/sample-parsing.c | 14 +- tools/perf/util/event.h | 18 +- tools/perf/util/evsel.c | 33 +++- .../scripting-engines/trace-event-python.c | 16 +- tools/perf/util/session.c | 32 ++-- tools/perf/util/synthetic-events.c | 34 +++- 11 files changed, 360 insertions(+), 39 deletions(-) base-commit: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 -- 2.37.1.595.g718a3a8f04-goog