From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (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 839C71E538 for ; Thu, 29 Feb 2024 00:15:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709165750; cv=none; b=VPmJtiEqZvF5bHxQ/BsmHxu6+aiJaOIeCrDTs65sJPu6GttLmUUJ3MWT3lOSqBa8q0dICLh6RRMOaj6utTOaJTyAIbChjPRSEciymWx2Je29rVmaOhTUcS408s/Q8mA3UNHLkSkNPJZ41+LHYg5BgWKcetjsikY59nHZuTnOFjw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709165750; c=relaxed/simple; bh=Dfpdo2YwplSQDWWpMc73Uzmy+I+y4UMFYX3EUMZzsvM=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=B3aQRkh6yq52uKdVZZ7TtRl/lOa/Wh0L5B4zFJCbj0xUenXpNMdh8kW6RxiSxzgXIYBDcn78TsnlKzJ03EvhaBzCBhn+L0U0wQkOlSr3yBdSNPvYH8DyeDHtR+F4OpsMg8qtcxmWPnCllVH/1hH8ll/DAvJt4oQalsgVvVyl6Ew= 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=1BLPzBn8; arc=none smtp.client-ip=209.85.128.202 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="1BLPzBn8" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-5ee22efe5eeso6397867b3.3 for ; Wed, 28 Feb 2024 16:15:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709165747; x=1709770547; 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=R1z+XJES0GLGr0Q8oaGDYo7B4O7AcfZJJPh1SyEgcrw=; b=1BLPzBn89W0Tdh3j9cdOTO/vJxleAcibZR2pwDCEc3w7FJEci1cEqUW4A4vaqVm0h6 dBNXFhyhMgcGeV20wGtNfnuNdEBLENpXkQ97/sorr8IYcvKRyXj7H2Cxr+1KjpdBUABS NVYkXl9LlD9cAqBVkdUqbyo5pnxtwTn7cXKmuqPobO4J7DaCGUBYWxafTIWXn5GW3kAs J1UYAIpKs4fB73cs3y+5wy5Jyw2Q84D8RfDxX0Z575hcvliI7t20GxQVoXUHwpTbej4D ucyNOr/rtSYZTgZhdkjPj8FoDqcHkANMrxug3uUcz2s6QXF53S2MaKnP4viceufBmv0s xDuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709165747; x=1709770547; 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=R1z+XJES0GLGr0Q8oaGDYo7B4O7AcfZJJPh1SyEgcrw=; b=T6yn3E385mUExl3qBQZChMHm/U8LAIyYdlYUu8SHX3pjC0YoMVENWdZFDEj5jSRo2j ik7En3UlX9HCXYaYXAd/j1kdPWx5JdJ7jUGHQUQWw4dbVzZeF7sSTGctAFsdaylGaSFa 4aBsNef5LImpbdWasrax4exfOcGyr8rEGDvS1pWg70evGN/u6XcjG6knctYk0tvnrj00 Dwu6iyIZDx8pDXDpGzOrsXhOus2hpYYhRSyahiykh77qUmviY3VLilb3JNXIlGcfxuSw W7qs4j6TNossqWfhsmxLOyK7EOLa6nPmq3USKig5gW0SzbpVai0L0exlAdlHEO+8sh/R IhjQ== X-Forwarded-Encrypted: i=1; AJvYcCV9I9Jy12esaLOU8Qv4sLxYHJFQtMqSbcV5YttOo+uuUEoHG73qby8IOj+NJMqtpT5EdU+DaY0t/RXuhfIujgIo9wKYfUe68tBwn+y9aAXGbQ== X-Gm-Message-State: AOJu0YzAnbUSlqaMglDllbK+YqO6XkKbr20q0SSvn/SngvzOIOEScdaZ FiacKPK7+hrEFHC5fma56aStkRqEYUFoM1Qzww044EFwboCRD7XzfgDjXvcUPUdoGEy0vo0AQcH gtXUtfQ== X-Google-Smtp-Source: AGHT+IGZ2G5HVElLXvbFoGXcebpq9RsE79E/PZGstTBYxPQKg/pbonCsSFVPw3r4QeMKxfTeLw7P4boJe3U/ X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:77dc:144c:334e:e2dd]) (user=irogers job=sendgmr) by 2002:a05:690c:3505:b0:609:343e:db43 with SMTP id fq5-20020a05690c350500b00609343edb43mr117344ywb.5.1709165747562; Wed, 28 Feb 2024 16:15:47 -0800 (PST) Date: Wed, 28 Feb 2024 16:15:26 -0800 In-Reply-To: <20240229001537.4158049-1-irogers@google.com> Message-Id: <20240229001537.4158049-3-irogers@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240229001537.4158049-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v1 02/13] perf jevents: Add idle metric for AMD zen models From: Ian Rogers To: Sandipan Das , Ravi Bangoria , 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-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/amd_metrics.py | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/amd_metrics.py index 4016ecee6464..fd3095cb5c1d 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_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, JsonEncodeMetricGroupDescriptions, - 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 @@ -19,6 +20,16 @@ all_metrics = MetricGroup("",[]) interval_sec = Event("duration_time") +def Idle() -> Metric: + cyc = Event("msr/mperf/") + tsc = Event("msr/tsc/") + low = max(tsc - cyc, 0) + return Metric( + "idle", + "Percentage of total wallclock cycles where CPUs are in low power state (C1 or deeper sleep state)", + d_ratio(low, tsc), "100%") + + def Rapl() -> MetricGroup: """Processor socket power consumption estimate. @@ -39,6 +50,7 @@ def Rapl() -> MetricGroup: description="Processor socket power consumption estimates") all_metrics = MetricGroup("", [ + Idle(), Rapl(), ]) -- 2.44.0.278.ge034bb2e1d-goog