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 C1925C433F5 for ; Tue, 17 May 2022 05:27:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236991AbiEQF1c (ORCPT ); Tue, 17 May 2022 01:27:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229553AbiEQF1a (ORCPT ); Tue, 17 May 2022 01:27:30 -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 9D41A1EEE0 for ; Mon, 16 May 2022 22:27:28 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-2fecfc7a95aso63483047b3.22 for ; Mon, 16 May 2022 22:27:28 -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=fhyPdQWeqDloOKkKqTz1ZyQ6igO44pea09Y6oXJ4klY=; b=oMRiADXfrP4QBwGawTd1L5SwFNv8CHzhSSsJDawBVeWwP1hjzKwNSdHcMag0nDJJ/n GXv5QsF//jdR0Q7QbSm9UWgt06i36tZIkrb7AZwSm9jEfm6GQhUElKUb7fojaDVaNfVk 1gOJzZgeRgUI8Nn2fl2bn8nwPJZIS4W2RcjOaXWTshcGeKtNnPQK6bi7zUuE3h81/ef+ /0/T2pb7TSSYTtCIuUwrSkqUkkPyIX0rJmsukU8PG7GnmlGTysFxlRwmJ432VFWk7hIS 36zP+bKKG+ksXei8Fb9P26HV7Mu0sIIjdvpKd8rJRd7hWUiyjDn5IiK7w1qx5HdUMQrt kugA== 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=fhyPdQWeqDloOKkKqTz1ZyQ6igO44pea09Y6oXJ4klY=; b=v8RCBdyGsk8ncPn9NBXiLM1AULvcNWtXfAKkAsSDL3NqjF1Jn5EdriL+nePCV0n5AG eKQIeOVUYMWa3MbaaLp/5tgojOIU+6l89rryZ3pRiwn8Z/hII4ztir+shujDgmflL75p hMnnA9f8anS0rY5DyQqIBptoWiV63LEhKZsu+szqNIi0jP5wgLgUAMVT3WJ7DqPXe7im 1iUk9+HFEtIrGyNfIPm41xd20r13pnZ8gX1QX8BwVsP0dG/Af24WnsXifHEbIOV65OCo SuNyeSTxceMsbQ9il0ufyOc9YBfX8QI3EL19a23DtfX7cFwuktP6Fhgmzt5t7rt78yEh zTQw== X-Gm-Message-State: AOAM531R1Febwy9IiArZ7znTLqjefaH0XhlnSvIepgyJTlTQc36wRn3L 9eNV9JYIWBaFzREA8tKeJdwqkiKWiIUx X-Google-Smtp-Source: ABdhPJzK5gioy2Ufu8Nvw+w5uXCwY7XPZoxsENMWp8krL0HptQF/mdYlJn+xPergrvZ8ZFgsEtAxEMrD/+Xs X-Received: from irogers.svl.corp.google.com ([2620:15c:2cd:202:d585:282c:3f88:36e3]) (user=irogers job=sendgmr) by 2002:a81:9d5:0:b0:2f4:dd93:4513 with SMTP id 204-20020a8109d5000000b002f4dd934513mr23671440ywj.54.1652765247839; Mon, 16 May 2022 22:27:27 -0700 (PDT) Date: Mon, 16 May 2022 22:27:22 -0700 Message-Id: <20220517052724.283874-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.36.0.550.gb090851708-goog Subject: [PATCH v3 0/2] Fix topdown event weak grouping From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Riccardo Mancini , Kim Phillips , Madhavan Srinivasan , Shunsuke Nakamura , Florian Fischer , Andi Kleen , John Garry , Zhengjun Xing , Adrian Hunter , James Clark , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org 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 Keep topdown events within a group when a weak group is broken. This is a requirement as topdown events must form a group. Add perf stat testing including for required topdown event group behaviors. Note: as with existing topdown evsel/evlist code topdown events are assumed to be on the PMU "cpu". On Alderlake the PMU "cpu_core" should also be tested. Future changes can fix Alderlake. v3. Fix computation of number of events in leader's group. Adds reviewed-by: Liang, Kan Ian Rogers (2): perf evlist: Keep topdown counters in weak group perf test: Add basic stat and topdown group test tools/perf/arch/x86/util/evsel.c | 12 ++++++ tools/perf/tests/shell/stat.sh | 67 ++++++++++++++++++++++++++++++++ tools/perf/util/evlist.c | 16 +++++++- tools/perf/util/evsel.c | 10 +++++ tools/perf/util/evsel.h | 3 ++ 5 files changed, 106 insertions(+), 2 deletions(-) create mode 100755 tools/perf/tests/shell/stat.sh -- 2.36.0.550.gb090851708-goog