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 ED3F1C433EF for ; Tue, 17 May 2022 16:51:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351223AbiEQQvp (ORCPT ); Tue, 17 May 2022 12:51:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351207AbiEQQvm (ORCPT ); Tue, 17 May 2022 12:51:42 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6FDBC4090A for ; Tue, 17 May 2022 09:51:41 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-2fed274f3fbso75146737b3.17 for ; Tue, 17 May 2022 09:51:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=g2f4uvZg1OcpFGX2p8frlvTRX1+Tckj3KS/ktxrHk0U=; b=KBtLDSOQDN4CFp4UIghgcQ3ZBvT6TcmYf/vyAAE00IVbD8yOelUIzlITkm2MKrJhVg EuQZsVUoCNk/2XD7/A7mN6pUw1Sb5tvJGl10A5Hvodn/A5p5RGqaQGn7epS3fk2/dd8p wARMBv0ZqnZIXVGmuv1xOPpbgUozdHYDCNSpzf8FM/nOIqf4m6RDY+YJZr817HfMOI71 gsqB0p1zGCP+Syyhu66PGxrra2f2/FUTGFHtKMmMQhjJuMiEpluBooZiw4DyPWGaTQXv q5bS5VYrVdwFHrDR3DmDEWmpmKdJUffZrdYCPLdxuB0zYeGxTtQl6STIU3QFhmqiXlls M7dA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=g2f4uvZg1OcpFGX2p8frlvTRX1+Tckj3KS/ktxrHk0U=; b=LyeQnGqzzmWyrIXOOcqQym8zvE89xtuXHpv9tUQBbh1zDK8fH3TNAgBDhpTbbgjUNC UmsjRfvP7tfB0r0B6oGwsuHeKEsGP2tEkk9pNfohjQfIcA9qUVYtAqmP6hpJxEfRwjEP 08psD1lnWJQVNcMfaIZEtpsDkFESGn/x2ArUtEOzFynp6bvg2M/skiog8Hrtih13BWTG pNI5iHm7btU8l+ua20fN5DKlx8XztFnvKs9GweuWTAXyebjcWsM3ke8hGR47X+6+GtqF qvm83VJ1EcJ/v4+yk0UVCtpxHKEWw1nQ9hM5vYaVVBRCCjApMHR8s5a6U4Is4X8ZhpUv zOGw== X-Gm-Message-State: AOAM532wOwGD59IpCHMDubLxCpkfAWceobCfc50f18LtXN4XFwqehhOz c/advLfWLaRWPWH6jyDxzzKCz6fmCksY X-Google-Smtp-Source: ABdhPJxnIXgI1cz6JmZ4YxDm1wQ3taF1Gug1SeXiL9AUaVPryKXUYqnzY8V+X518Ny5XwSUKJivzkTnhHYkw X-Received: from irogers.svl.corp.google.com ([2620:15c:2cd:202:a5a1:af73:fe09:fd5]) (user=irogers job=sendgmr) by 2002:a05:6902:114d:b0:644:ba0d:e95c with SMTP id p13-20020a056902114d00b00644ba0de95cmr24868885ybu.516.1652806300551; Tue, 17 May 2022 09:51:40 -0700 (PDT) Date: Tue, 17 May 2022 09:51:34 -0700 Message-Id: <20220517165136.479226-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.36.0.550.gb090851708-goog Subject: [PATCH v2 0/2] JSON output for perf stat From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Kan Liang , Zhengjun Xing , Sandipan Das , Claire Jensen , Alyssa Ross , Like Xu , James Clark , Florian Fischer , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Claire Jensen Cc: Stephane Eranian , Ian Rogers Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Parsing the CSV or text output of perf stat can be problematic when new output is added (columns in CSV format). JSON names values and simplifies the job of parsing. Add a JSON output option to perf-stat then add unit test that parses and validates the output. This is a resend of two v2 patches: https://lore.kernel.org/lkml/20210813220754.2104922-1-cjense@google.com/ https://lore.kernel.org/lkml/20210813220936.2105426-1-cjense@google.com/ with a few formatting changes and improvements to the linter. v2. Fixes the system wide no aggregation test to not run if the paranoia is wrong. It also makes the counter-value check handle the "" and "" cases. Claire Jensen (2): perf stat: Add JSON output option perf test: Json format checking tools/perf/Documentation/perf-stat.txt | 21 + tools/perf/builtin-stat.c | 2 + .../tests/shell/lib/perf_json_output_lint.py | 92 +++++ tools/perf/tests/shell/stat+json_output.sh | 147 +++++++ tools/perf/util/stat-display.c | 365 +++++++++++++----- tools/perf/util/stat.h | 1 + 6 files changed, 542 insertions(+), 86 deletions(-) create mode 100644 tools/perf/tests/shell/lib/perf_json_output_lint.py create mode 100755 tools/perf/tests/shell/stat+json_output.sh -- 2.36.0.550.gb090851708-goog