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 4BF01C28B2B for ; Fri, 19 Aug 2022 00:36:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243454AbiHSAgu (ORCPT ); Thu, 18 Aug 2022 20:36:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241729AbiHSAgt (ORCPT ); Thu, 18 Aug 2022 20:36:49 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93D7FDEA78; Thu, 18 Aug 2022 17:36:47 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id jm11so2831855plb.13; Thu, 18 Aug 2022 17:36:47 -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=pp/XSSy5OE6phmxdJXvlm4Vb1JMIb27/OWFRn//wD5k=; b=LbpnLZb0udj4bL0F73AZ4ywXnPCA/ooyyznzjWvZbNoPKA5S67IN5LcXr5Y1wVZm0D yGUq/JH8Xw3TqB++UybXdJexlBIieRS9TtR2XbVi+tnlHc7o6pslxPDC6Beczj4yRBQo BGP+vn7hyKQvJY3u+94M9LkUtDGuwT0gpEK2ss3Fwyo7jRQUlMnwUyNiN58y9Nmt/djf 5E4QZR1m3rHxk1Plel21M1xLfCLuEXGGRS6ZlaaX8RK3AMVvdrtDxknT53ccrvlmOx/4 DrKHgxopREyKKX/2GnFybnqeGpBH7lKXO/bHfJHZMgFLcpg69L41SbjX3B+y4PPjS6bf WCuA== 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=pp/XSSy5OE6phmxdJXvlm4Vb1JMIb27/OWFRn//wD5k=; b=ITrKrh3yu5irsRDk4Ak/P7z4G0Ygv0mLlA1JHPcOumt6kwb1mwZYDxE1F6sA84PrlG nrFTnOl3od4ZXAnBNslunDlDzDTxeNW76fcwDLZe0Urrtt6IUpn2Z8yKMmsIP4eN0DZ9 I8f+TBlzrMg0WX2TGKPQO4frjvYgsRJeGe4liO/HayqFdPR/IV5wHz6Q1IPyTUwDzxjp mOSbbDE/I4dH0v8s56hZ73F7mn0kXDOvfIu6CjNxOwNP8BPlzWwAd5hjlM8P/xfHy00Z WhVRaAuI9vRjIp4uyog1jZKxbo0NktKsnVm6lilHnCwP8PVMhLZOmXWGzdI24fLBrzWv MA+w== X-Gm-Message-State: ACgBeo2NhyCECcGKejQd52NnEYmmv+7/gkUrMzFOfGYrSgBJMgO/9ne2 npkFJImXl4eISltvtsbyddiUo9D8uhmOkQ== X-Google-Smtp-Source: AA6agR4aEl0z5yJsxY1hhPGTnG06y1kUOQXo7IBwmPGEwx6RHZiehfHAAJb9mwd2/5+rUeDcxMBo6w== X-Received: by 2002:a17:90b:33c4:b0:1f5:8428:beb9 with SMTP id lk4-20020a17090b33c400b001f58428beb9mr11233991pjb.95.1660869406848; Thu, 18 Aug 2022 17:36:46 -0700 (PDT) Received: from balhae.hsd1.ca.comcast.net ([2601:647:6780:1040:436c:3fa9:2b77:a856]) by smtp.gmail.com with ESMTPSA id e5-20020a17090a4a0500b001f303d149casm2057567pjh.50.2022.08.18.17.36.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Aug 2022 17:36:46 -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 (v3) Date: Thu, 18 Aug 2022 17:36:40 -0700 Message-Id: <20220819003644.508916-1-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 v3) * add sample_read_group__for_each() (Jiri) 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-v3' 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 | 21 ++- tools/perf/util/evsel.c | 29 ++-- .../scripting-engines/trace-event-python.c | 19 ++- tools/perf/util/session.c | 35 ++-- tools/perf/util/synthetic-events.c | 32 +++- 11 files changed, 356 insertions(+), 46 deletions(-) base-commit: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 -- 2.37.1.595.g718a3a8f04-goog