From nobody Sun Dec 14 08:06:21 2025 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39349223C67 for ; Thu, 12 Dec 2024 17:34:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734024842; cv=none; b=eIKHkPIuEXy4RWeX5ze38EspfqWE+Ebuu1ZzM7dDLVbwvf3uFk56yWRpfcG2043qstZ+mrI90I0K2N7HV2MriPtVn+GLF3/MlwjQDugkHLEGjw2lvNn+XL+c/ZTR6KhKNq4lWD1gFIf/+FjAC4JZx+/0I/OL0SB/nnL78pyNMWY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734024842; c=relaxed/simple; bh=FK78yyqVjHCobD9natqpTkBTroblD9K+SecNHatoZlY=; h=Date:Message-Id:Mime-Version:Subject:From:To:Content-Type; b=ZCySn4zJZuSP7wyJzKgrr157KURLBv7STlrbjAH5yq4zZJTXiiuVcgJGRzxOaCnUSEZMqCOu8vSvxu7d2/7WonS8j5Z6SpRvElAsyPpQNzJB7O02YqKAJt1Kh/1B/TC7FEaHKHYqdSntoTYzPpiD4gNkbfcOOY6ZlqiO3ZThiNM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=ilz9gdoq; arc=none smtp.client-ip=209.85.219.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ilz9gdoq" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-e3c61a11a40so1152257276.2 for ; Thu, 12 Dec 2024 09:34:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1734024840; x=1734629640; darn=vger.kernel.org; h=to:from:subject:mime-version:message-id:date:from:to:cc:subject :date:message-id:reply-to; bh=McevHFea/8/GUg9sGU8w00zhvfEuoLepq2oliEuLmsw=; b=ilz9gdoq3A1MVXWIIEkngksF+B5tRUTt0eWzKLqGO20dObrXSr6FMss/6v6TdwF8Cu yXitL0P6aBcIwrvKbiAnbENKMQzM7oooPEBFGcjftOAhvMj/n1whTZ2NCIeCTYHvyUBC wZMgLaWUZ6CsXWaG/85Ni6OB3k+p/rx9OeFkfOQMqdhsNm7yTZVCVQIMsLUA9PFcz0l1 6bTNEh+9HdSfLqnxqdxlHq3ZCaBHxoNpIsjdP2O1R59aC4bgynmw+tgSv0a3RNUfX6Gh CAh364cUCf3+WXerm4BbSkwHqow9HqLn22cZdD05+IpW50SgSUwfSzcr27qNa/MBmLAl /j1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734024840; x=1734629640; h=to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=McevHFea/8/GUg9sGU8w00zhvfEuoLepq2oliEuLmsw=; b=Sm90EBzq37waS/t47LpQC39pvnLwULWZFK0Vwsm+3OlYJRY70QAR8xZq6isL1idXkv uPWjofmVfA4W00eIiaCv6WR/QSPl9YVTeE7xkzJY+JuUZ7a9mL/e+rwNlfhMSjr6jH5x dwjVT6YxyIBRRwOvKGu5P7ZD04v4Om0GjEq2Y0hOTh1XKLWrPgwsNdurg+VmheTXg8By lWdiV5foNd1CDBq4E8Wreu8zh6cqPMyzpjtpwqGpxrKxf7Ij0XtQclCSsa9GsOvBKSZ8 jzEK+FpC0N8GjBVf2GyV8sOQAo+oZGnGZEmLYX0OTuxNKDGLkxzJOluUt2stj1ik7C3z CfuQ== X-Forwarded-Encrypted: i=1; AJvYcCWmSgjVL8fGfh70I9u/FnFyyan+Sx2A6iL5Tkt6LJeSWT8dl9lOH3RmZNIL6DHQWm47d77nOKAIjUM/tKY=@vger.kernel.org X-Gm-Message-State: AOJu0YylMe1HBGxwpAd4W9fhifwMxM3T74gkEcEiKttl4cO4kDoBzwET 5HkDJyURVe/UQh3//KHGzNOPIE83Wp7ntmi7kPXUGZQv813Vg53CSxTR20P9X+SedgDRqPh2MWY vZRn7MA== X-Google-Smtp-Source: AGHT+IHT5WTyXq30AAfRRz/fxMBvZ8YldrnuyFVNGmCaF3LmbN2PZoVphHBf/LGehk9tkdvDjxMehh2jGgr7 X-Received: from irogers.svl.corp.google.com ([2620:15c:2c5:11:c22f:1975:e7cf:849c]) (user=irogers job=sendgmr) by 2002:a25:5f4b:0:b0:e39:710a:387a with SMTP id 3f1490d57ef6-e41cb05bcbbmr502276.10.1734024840121; Thu, 12 Dec 2024 09:34:00 -0800 (PST) Date: Thu, 12 Dec 2024 09:33:54 -0800 Message-Id: <20241212173354.9860-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.47.1.613.gc27f4b7a9f-goog Subject: [PATCH v2] perf test stat: Avoid hybrid assumption when virtualized From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The cycles event will fallback to task-clock in the hybrid test when running virtualized. Change the test to not fail for this. Fixes: a6b8bb2addd0 ("perf test: Add a test for default perf stat command") Signed-off-by: Ian Rogers Acked-by: Namhyung Kim Reviewed-by: James Clark --- tools/perf/tests/shell/stat.sh | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 5a2ca2bcf94d..da42427bb077 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -163,7 +163,11 @@ test_hybrid() { # Run default Perf stat cycles_events=3D$(perf stat -- true 2>&1 | grep -E "/cycles/| cycles "= | wc -l) =20 - if [ "$pmus" -ne "$cycles_events" ] + # The expectation is that default output will have a cycles events on ea= ch + # hybrid PMU. In situations with no cycles PMU events, like virtualized,= this + # can fall back to task-clock and so the end count may be 0. Fail if nei= ther + # condition holds. + if [ "$pmus" -ne "$cycles_events" ] && [ "0" -ne "$cycles_events" ] then echo "hybrid test [Found $pmus PMUs but $cycles_events cycles events. = Failed]" err=3D1 --=20 2.47.1.613.gc27f4b7a9f-goog