From patchwork Sat Sep 12 02:56:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1362753 Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=o8gd8L6c; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BpHN107plz9sTH for ; Sat, 12 Sep 2020 12:57:04 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725804AbgILC5B (ORCPT ); Fri, 11 Sep 2020 22:57:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725799AbgILC46 (ORCPT ); Fri, 11 Sep 2020 22:56:58 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEB22C061757 for ; Fri, 11 Sep 2020 19:56:58 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 125so10865794ybg.12 for ; Fri, 11 Sep 2020 19:56:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=m07aqYCBr3BugQcnNhbXBunb8rguqcPxK+1uBceisy4=; b=o8gd8L6cwO7USS+zSeJvNGNPvSjkj3df9QrcXoii7Dj+MjLEgMkReLgRPFgPNejXYo g8ctX6BQLS0y8MwnOS362iGE3i9SUp5J8rdAlKvTa185XVXDVpcz4oY0k1uzXGqfyOfW AZzBINXmWkoh1485ZYyiWuYBI/48wE9i3tZEzW0MhwhDv1rTj+qkIxDXS5A1WnKz+Dxt s6vvazXjmoUb+Usq+xx++LL4WgmbkH6qytSUPmIKE/nmRuLZE2CNbUMo10l/uQ+meKOD m6W770lNlKtciQ6ta5gSZnzO5pMnznEX2vzg5toDhjVhUdVaAUk5OAlmA7QJBwfs7B+z 4Esg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=m07aqYCBr3BugQcnNhbXBunb8rguqcPxK+1uBceisy4=; b=Dp9nhocxzdSpaBzcayLtUCAznVVhZquZTWqwx6+uXfDbRlPXv1VABMGej2+6MoGGl2 lMI9qdI8UlfLlm5wX6Xc9AK0XjRwkt9vV9+B3oV6ZO3DATYYvjuYVfVA+bdehkEd0mRS dunC87qar/aINyq12872ZLg58XGCLba/TgzYdr0Ingz5qehHmHrDaQ5iGWxnIT2wf+Cy yln+1aUDiyptxljFCdInMQ2uImGEs04kn/h9LSuxPUfntt5/4A0h2rCh+9uv35tI1nyv Ivli4Wsi9jMARhdD8DGNGlTUdhAHS8CHnnORYhOgpoYCKKyFmPlt0bVv8ZjjrNOLI0pu fVrA== X-Gm-Message-State: AOAM530KuW5dKTsTbYJGFb92Gv9hEDdK7S5lqUhIi2l13ZbsU506eLzi l9U83kta8svbXGT/73kuwGdbVQWXRjhh X-Google-Smtp-Source: ABdhPJykicvlDlpk6vddU+n3i8ZICnShO591arsdtiL3sRk9G5NjJiJWw/dwGWCtCVTJAvwbSYst8tq9iAnr X-Received: from irogers.svl.corp.google.com ([2620:15c:2cd:2:f693:9fff:fef4:4583]) (user=irogers job=sendgmr) by 2002:a25:d010:: with SMTP id h16mr6745698ybg.439.1599879416979; Fri, 11 Sep 2020 19:56:56 -0700 (PDT) Date: Fri, 11 Sep 2020 19:56:51 -0700 Message-Id: <20200912025655.1337192-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.28.0.618.gf4bc123cb7-goog Subject: [PATCH v3 0/4] Fixes for setting event freq/periods From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , John Fastabend , KP Singh , Adrian Hunter , Andi Kleen , Athira Rajeev , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org Cc: Stephane Eranian , Ian Rogers Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Some fixes that address issues for regular and pfm4 events with 2 additional perf_event_attr tests. Various authors, David Sharp isn't currently at Google. v3. moved a loop into a helper following Adrian Hunter's suggestion. v2. corrects the commit message following Athira Rajeev's suggestion. David Sharp (1): perf record: Set PERF_RECORD_PERIOD if attr->freq is set. Ian Rogers (2): perf record: Don't clear event's period if set by a term perf test: Leader sampling shouldn't clear sample period Stephane Eranian (1): perf record: Prevent override of attr->sample_period for libpfm4 events tools/perf/tests/attr/README | 1 + tools/perf/tests/attr/test-record-group2 | 29 ++++++++++++++++++++ tools/perf/util/evsel.c | 10 ++++--- tools/perf/util/record.c | 34 ++++++++++++++++++------ 4 files changed, 63 insertions(+), 11 deletions(-) create mode 100644 tools/perf/tests/attr/test-record-group2 Acked-by: Jiri Olsa