From nobody Mon Feb 9 03:10:57 2026 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (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 59D5D27451 for ; Thu, 29 Feb 2024 00:18:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709165910; cv=none; b=hlIjXIZobT3QG8vVTvFuk31PqrjLYAGxe5PlrjvJrbuHclpBST5ftUIgxGa1ihpPxnvVaHzU579FZtY4U7LN2NrHxzBIU0FkqYBg5hCutAGeCUFlX+MgiR3b8wd2NVlP4KgLMYPXY+QirRelKZzNvO38KVnvkSqoJC9nhLNQARI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709165910; c=relaxed/simple; bh=0Tn/XKuGhzhLwIG7EDYrZX1pefqdDM+We6EUBnwMtBM=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=WUaTUCCXp9BzKvx6ua64EiLAG0JEVmb7T+kOcLfjU6aPeEDMSPSUk2vno/Lgs+eM+lqch9qOu3Y8Yym8UzwybEWfrj2r7BftdQX4DT0yPUxtJDjUckiR5t1MKEoEv2P1/l2D7UQdkT8TtRCK0vK64wVWlB0sfCoAM0kia9n9u2A= 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=ZUShJLpk; arc=none smtp.client-ip=209.85.219.201 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="ZUShJLpk" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-dc64e0fc7c8so527262276.2 for ; Wed, 28 Feb 2024 16:18:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709165908; x=1709770708; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=BBsfDPoA8IcXye4Tq39UNHv/YJB+B2Yw2JoEeA/NWlM=; b=ZUShJLpk5bXaVGv/VL80hXq3ScNmqcPSBo8M3Pzq0EVTXHcNQi3yQ14zS2t+nXTd3M Iydmv/3GZlZYMTbUwgswjrvEWkEVq83AajGQX4eEUUApQkwM76aggmjret/+evsacPKv 72AZJudzeeoxlgyCcfrKJL56oM3CSZdFZHZhHMXsMcS3fD+f9IYTZzPm0R4vIXauYSwf eWcg69kac+KeklqiN1J/lm6zvigElevbYqaJknZVe278xY3dP+Y5afsTDLgz7maAPv02 eCFuzWfHxZXBrp+oHNCnQZZfTWkZtTR1TZjCZ0FnUGd47wfuwAgimIZScYQ2uzcj56t5 +7sQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709165908; x=1709770708; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=BBsfDPoA8IcXye4Tq39UNHv/YJB+B2Yw2JoEeA/NWlM=; b=HfBP7GVrHbMmFMruKqkt4otKpSyRn3Zk/44nqrNtUYf9QKHBWsxdneCth8omOfsoYH EEnBddRyGCMaFXjuEDCuDfGbz6DEjAA25e9DcfZvCM7kkdwqcEhZBDrCFrf87umAe53w 6woYROHAYtqp3OxTuQIfgyv8oyjB/gpIlnWmN2MqSNahJqX9PsGEEcbsIXbaOijo3whi WF8AbT7NXPF9M5T+3DD9RO7Ey78GJnmTJ3Ee7SzFtAkrJbB4LUTTE+G5vc09SYr+5747 FZ7L5tR+xkxDaQn4bP/JV2VrsoPohsKGTvf4WGR2Jadv8q5fMuH7auzoR1BugLlcdocv 6QHQ== X-Forwarded-Encrypted: i=1; AJvYcCWvKhEbh59UK5e5F8aABSUnPX4uYXkyvZammpk7P+ds19ZA+qocWzbbnVkHnb0VGW5EeWNqD6TZeRYnavVm3CThFldi/uMw7h06e1jG X-Gm-Message-State: AOJu0YyJIz7LtkAHjw10ytS8vS9GRChwPjkZtpRarJ0mwxsHV9nPc4um rBwg+c0yepRdrgscWddBBwd+bv3xqRScXtfqozyYwF2yIbMlsmksgXhXdeUNvlvn5ov9sTuwShb CcSHq9A== X-Google-Smtp-Source: AGHT+IHQCQ2IXOrY2mjPgDRIoa+ccqeHDBjD+E0ML9EWXecbomV9xJUTkP0nFIRphbrfqPVpoXr2Q4jlfvdV X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:77dc:144c:334e:e2dd]) (user=irogers job=sendgmr) by 2002:a05:6902:1207:b0:dc6:dfd9:d423 with SMTP id s7-20020a056902120700b00dc6dfd9d423mr42833ybu.3.1709165908591; Wed, 28 Feb 2024 16:18:28 -0800 (PST) Date: Wed, 28 Feb 2024 16:17:47 -0800 In-Reply-To: <20240229001806.4158429-1-irogers@google.com> Message-Id: <20240229001806.4158429-3-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240229001806.4158429-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v1 02/20] perf jevents: Add idle metric for Intel models From: Ian Rogers To: Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Andi Kleen , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , John Garry , Kan Liang , Jing Zhang , Thomas Richter , James Clark , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Stephane Eranian Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Compute using the msr PMU the percentage of wallclock cycles where the CPUs are in a low power state. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 5827f555005f..46866a25b166 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1,7 +1,8 @@ #!/usr/bin/env python3 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) -from metric import (d_ratio, has_event, Event, JsonEncodeMetric, JsonEncod= eMetricGroupDescriptions, - LoadEvents, Metric, MetricGroup, Select) +from metric import (d_ratio, has_event, max, Event, JsonEncodeMetric, + JsonEncodeMetricGroupDescriptions, LoadEvents, Metric, + MetricGroup, Select) import argparse import json import math @@ -17,6 +18,16 @@ LoadEvents(directory) =20 interval_sec =3D Event("duration_time") =20 +def Idle() -> Metric: + cyc =3D Event("msr/mperf/") + tsc =3D Event("msr/tsc/") + low =3D max(tsc - cyc, 0) + return Metric( + "idle", + "Percentage of total wallclock cycles where CPUs are in low power st= ate (C1 or deeper sleep state)", + d_ratio(low, tsc), "100%") + + def Rapl() -> MetricGroup: """Processor socket power consumption estimate. =20 @@ -52,6 +63,7 @@ def Rapl() -> MetricGroup: =20 =20 all_metrics =3D MetricGroup("", [ + Idle(), Rapl(), ]) =20 --=20 2.44.0.278.ge034bb2e1d-goog