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 006E4C433F5 for ; Tue, 17 May 2022 16:51:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351217AbiEQQvn (ORCPT ); Tue, 17 May 2022 12:51:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351212AbiEQQvm (ORCPT ); Tue, 17 May 2022 12:51:42 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BA12403E6 for ; Tue, 17 May 2022 09:51:41 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-2fee45054e4so63259427b3.3 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=yWwUT/5opZICloeBCbeV4Rbx5rqyVoDqzJH+qikhHhcQlURyCQhRuGwuJ3tfn/vYwy 7iEC5R93I2HKaHbXicOU5pxrNvuKPv11FmYkmbuGPkB555LgeHsrzyPUAgMneQ62Jukt OtwpC3WtxmhMOWwZYAN6+rlyH94fkNCJwuwl1Mmqtn+xM69p1vbIhRaTLKB9nd9Q7lUm WUIKmKCPCtjBw1kgfkIQ78yn/2xMkUu8Nn/QdvSSbreV3Qrdlp+ZI9H07F/3ZPlhF99t daYahzjx+WKtXQvYz4QAi0WcQPclFEfyPal442QH0ITvD/knY1Fg0z6aTnhwMMOYfrAY uCyw== X-Gm-Message-State: AOAM532RA5inE4U43Ls9GDHkfvhpn2CaYqTBOeBkcRAmUqsHt0q69qKg j8cOxOKvsEIJMHYXwp8dLbKT4u9Irbav 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-perf-users@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