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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F0349C4828F for ; Fri, 2 Feb 2024 23:41:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:From:Subject:Mime-Version:Message-Id :Date:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=8xEiPJOF8OBa17FKwqmncIy9fmKpgpo0WBAJhgf07ic=; b=YYKFRp4Jw+ptbS qktzC3OkUi0Rd2Zk6y98oVz/AdQhK7us7hdE+WhaCMZfkgrPJXdZK7gnWV56oViF0mKnaSP14Fa+o /t6NvsXPBD3kTC8fXg3LlkbD6m/rhQq8TuN5MZyEHcBJVk9r1RlaFlnWNfufLU6JH4ICCvkRuU3h1 jJ2ADTshMlPrt3n0CNdZlTfMiV41Y/wH7Hb1PFhQSbLGEcG+Lw9Pe72I/Kr2ajEdNGFiHDySCsK8v EHoCDPAfDdYQK8Wwql+DNxmS5tu886/t0Ibx1iczySLWJDlZ6LpKR741pRqHciYWzIjXqndK+zwdD xuTemKJrhPEsXeVf7bVg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rW39n-0000000DoQ3-2f1j; Fri, 02 Feb 2024 23:41:15 +0000 Received: from mail-yb1-xb4a.google.com ([2607:f8b0:4864:20::b4a]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rW39k-0000000DoOD-0B0y for linux-arm-kernel@lists.infradead.org; Fri, 02 Feb 2024 23:41:13 +0000 Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-dc6cd10fd4aso4007449276.1 for ; Fri, 02 Feb 2024 15:41:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1706917269; x=1707522069; darn=lists.infradead.org; h=to:from:subject:mime-version:message-id:date:from:to:cc:subject :date:message-id:reply-to; bh=CGn7q3AR6sBJnuW0w7X+aFdd8u9EK+5apJ+BcUW3hYQ=; b=lw4vr8QY2NSK8WiYz29wZFIObZ+WsDKX8jANS9cHHN6AvV/xFwGvvYw5f/VWhZyepR K4E+nA6QSRbyNkIjFvRPIo+lhtm+13RrG1Y8QViwfMhXEHvYqg7xO+fXyREZh7FAPVa3 kiCx1USD+2pbD5bK9SGxUCYoj4FwTjkVJYGROTjqa2mTOms3zNPLmnBw2EYAiKcXA2PH Qi5inf6BsE8ZaroDw6O1/u2YAGTXdNUdqRrN5UOuVFtsuW8EwvTenwRUv3ycVXPTC6fa MJSzs8ngtiDnRo04sWdo5ziCtux5k1l3iEkmwmJCoBHlBMYnVh7gT0iCdCYZ2CFoeeXb gZWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706917269; x=1707522069; h=to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=CGn7q3AR6sBJnuW0w7X+aFdd8u9EK+5apJ+BcUW3hYQ=; b=HuciW5n0iqxZwh8Z/e6U6NYGtvjGn0/pQT7Q4JPvmPQef2pRUFcVXtrAoriE191QUW HZFtdYFS1jeYiYDuWBol4rstfidf29NlWGUeI5PD4r4VD98gmvFxTFfEkeS5Fna3AvBp Vc+jThFSkb70H9re7lZ+fq/0MkAJU5vON3ApQjyX3o2c6epgZ15YKSuDyTQNFbi94jnh xFNp6Ru/RaYv2nraFsAZzrDUlesuevPLC38cLQoa7itHDNMJd0WOMmCFYmWJ2AuTd6xD DrkP6sKO0v45vvDTC0NFq1tbuq7ucShNvq1FiS2HWdHp792G1IMq805AdUt3jcETOqEN oXXQ== X-Gm-Message-State: AOJu0YyrSSkcJyPHPS6EFDiFWoLPD7R6jfB6bFdZGdWMnoqxIybxL5vF 3rS09MM1bX4tjLZ7YQLZ8WNjDHAWGMZROdB7TEamicRFiUZginlRBx08HyjT5tCkJ0vjlmOw2IU HOk7Suw== X-Google-Smtp-Source: AGHT+IHylMNHjoaYXoYqqOOZFoFT4X3A3hWj7pDcXfX2BSwpZDbVFcOqv6wqndJbEhdaoK213X6R34ETA+tx X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:7732:d863:503:f53d]) (user=irogers job=sendgmr) by 2002:a05:6902:1b0d:b0:dc6:ee66:da6b with SMTP id eh13-20020a0569021b0d00b00dc6ee66da6bmr100341ybb.7.1706917269595; Fri, 02 Feb 2024 15:41:09 -0800 (PST) Date: Fri, 2 Feb 2024 15:40:49 -0800 Message-Id: <20240202234057.2085863-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.43.0.594.gd9cf4e227d-goog Subject: [PATCH v3 0/8] Clean up libperf cpumap's empty function From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , John Garry , Will Deacon , Thomas Gleixner , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Kan Liang , K Prateek Nayak , Sean Christopherson , Paolo Bonzini , Kajol Jain , Athira Rajeev , Andrew Jones , Alexandre Ghiti , Atish Patra , "Steinar H. Gunderson" , Yang Jihong , Yang Li , Changbin Du , Sandipan Das , Ravi Bangoria , Paran Lee , Nick Desaulniers , Huacai Chen , Yanteng Si , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240202_154112_110463_C3373B98 X-CRM114-Status: GOOD ( 13.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Rename and clean up the use of libperf CPU map functions particularly focussing on perf_cpu_map__empty that may return true for maps containing CPUs but also with an "any CPU"/dummy value. perf_cpu_map__nr is also troubling in that iterating an empty CPU map will yield the "any CPU"/dummy value. Reduce the appearance of some calls to this by using the perf_cpu_map__for_each_cpu macro. v3: Address handling of "any" is arm-spe/cs-etm patch. v2: 6 patches were merged by Arnaldo. New patch added ensure empty maps are allocated as NULL (suggested by James Clark). Hopefully a fix to "perf arm-spe/cs-etm: Directly iterate CPU maps". Ian Rogers (8): libperf cpumap: Add any, empty and min helpers libperf cpumap: Ensure empty cpumap is NULL from alloc perf arm-spe/cs-etm: Directly iterate CPU maps perf intel-pt/intel-bts: Switch perf_cpu_map__has_any_cpu_or_is_empty use perf cpumap: Clean up use of perf_cpu_map__has_any_cpu_or_is_empty perf arm64 header: Remove unnecessary CPU map get and put perf stat: Remove duplicate cpus_map_matched function perf cpumap: Use perf_cpu_map__for_each_cpu when possible tools/lib/perf/cpumap.c | 33 ++++- tools/lib/perf/include/perf/cpumap.h | 16 +++ tools/lib/perf/libperf.map | 4 + tools/perf/arch/arm/util/cs-etm.c | 114 ++++++++---------- tools/perf/arch/arm64/util/arm-spe.c | 4 +- tools/perf/arch/arm64/util/header.c | 13 +- tools/perf/arch/x86/util/intel-bts.c | 4 +- tools/perf/arch/x86/util/intel-pt.c | 10 +- tools/perf/builtin-c2c.c | 6 +- tools/perf/builtin-stat.c | 31 +---- tools/perf/tests/bitmap.c | 13 +- tools/perf/tests/topology.c | 46 +++---- tools/perf/util/auxtrace.c | 4 +- tools/perf/util/bpf_kwork.c | 16 +-- tools/perf/util/bpf_kwork_top.c | 12 +- tools/perf/util/cpumap.c | 12 +- tools/perf/util/record.c | 2 +- .../scripting-engines/trace-event-python.c | 12 +- tools/perf/util/session.c | 5 +- tools/perf/util/stat.c | 2 +- tools/perf/util/svghelper.c | 20 ++- 21 files changed, 192 insertions(+), 187 deletions(-) -- 2.43.0.594.gd9cf4e227d-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel