From nobody Mon Feb 9 00:20:54 2026 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 B9B303D396 for ; Thu, 14 Mar 2024 05:59:54 +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=1710395996; cv=none; b=fscIjAmceEcEw585pn6i3GFICzCsXtgzSa35+NmkWF3+/UhRa9KUxMJZXfcZiQfXh6zBJV20Fs1c/cTxQtM8jSNL30aKapGWM3zDuV1tyluB/141Xx1YZmXXjGI9CljZjyCppHiZdvPye0br03qYxnX+RoXJMgXUlxudNwS8hbc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710395996; c=relaxed/simple; bh=1Qr2GggjPi/6cKOviasaXOdwphBzKolEl5/0BUkGD1s=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=trm0KK7e41IvEehanUGKix14Oc+kqm7sLYCoRrLe8+WFoFoDR3je83Xnw6Euv3aCIVyB/Odfp4ndQq4ItJjjSh/QqAHaMAXMsNfIsRVwuLPrPLVosVaTjxwgJm4vc5RqBcedD1VEy+z18u3Y2FHzrm3OSb/SSqHsiInvNrc4Cyc= 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=JSNs9+tY; 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="JSNs9+tY" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dce775fa8adso906787276.1 for ; Wed, 13 Mar 2024 22:59:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1710395994; x=1711000794; 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=NE3dX9dz2CABEFOsw5CuUFowasd8wR4u7GmklzSvWhM=; b=JSNs9+tY95CCkU3pejcP26dgu4kBgxLsz5vQ+G9c9nc0wXvYTvugDRscn2gshQSYCe SlBm53EN2T8vQlBHUg3Wlh1vh3Bbmea7j3YpfUjir3xliH3cyb2Myy9llo6to64/NvFA CIOG3qVPcRi3QbLIUCqySzOmpyOByhYsdh0NFlkLqLN/Fp762kJFq8WPG8xQSRcwXFK7 6Z9kg/R0DQeMxxhS7Yu5/Y4CusJnqQXCysO4FhRdNJObie+5PuTg+tO14E0Gl/lpfLVy cUGL2l3Owgos6rUeu2l6e3RYA6YS4n5DIuxyZaHhtgu7FD+aw7fFoCYwSueztwQ5Lvjj fBPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710395994; x=1711000794; 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=NE3dX9dz2CABEFOsw5CuUFowasd8wR4u7GmklzSvWhM=; b=S/H/yQYFnpTmP3pUAOG6jDzib5iEDtDGJJhYiVvg0UpPR77zsrx8P6jv27Iz0bXYoA pUaQNvtcmrOVGDd7Mjw2ydP6VorWZ81B+MeoZc9ljCrszrjKoxSrwSxoRrA9U78H/day jEKpk7hoCbeeiWR4JknNYyoQ8y764hidP+QvqG2HU0B1jEOEAiTqsxMujS5jOexmC/Hq u7X0ZLMVU+yfNC0dKbDc9aEhzVvE+p78v4k+u7ho2LdKqZ+dcYAkbpFt4OiX6ZV/ijSl qQkiLnTTuYV2hD+4O/fX50PKhVbv3r2zfotuIv2akh7x1n/sb816EzAHVm+Dbnas7fPf uh+A== X-Forwarded-Encrypted: i=1; AJvYcCWGStd6InXU6z+nl6xvx4ZRT+WTD2d9GEBVkRMnla7anhalxivieCJMuMISwoENm4fxM3kzg5Rd6unJ72M7sOR7bNorS3OImKSLE4IQ X-Gm-Message-State: AOJu0YwGlm7Qn+f3sfI6ti3bpvtsKI7JHy2BizGdZDzIQUsDyC4GLeVy z8lBD6xXksVIwqCIrTQ/enVlVmwn/Ug05QTsgyQ0zoQM3FxE4xVHMI3MtBitPl/d8lSr/M/8xya AcNTulQ== X-Google-Smtp-Source: AGHT+IGL9I2AEtU9Gouc8KiH//2cnv3aSfUatRw9lJIZ+fLfFOIe54VbJ81T1fFUWjOlzTPpwFpI/IZ7Fpmt X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:449f:3bde:a4cd:806a]) (user=irogers job=sendgmr) by 2002:a05:6902:247:b0:dcc:6065:2b3d with SMTP id k7-20020a056902024700b00dcc60652b3dmr211350ybs.8.1710395993876; Wed, 13 Mar 2024 22:59:53 -0700 (PDT) Date: Wed, 13 Mar 2024 22:59:07 -0700 In-Reply-To: <20240314055919.1979781-1-irogers@google.com> Message-Id: <20240314055919.1979781-9-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240314055919.1979781-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v3 08/20] perf jevents: Add ports metric group giving utilization on Intel From: Ian Rogers To: Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , John Garry , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Stephane Eranian Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The ports metric group contains a metric for each port giving its utilization as a ratio of cycles. The metrics are created by looking for UOPS_DISPATCHED.PORT events. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 32 ++++++++++++++++++++++++-- 1 file changed, 30 insertions(+), 2 deletions(-) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index b02d0c0c3793..b181574c9486 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1,17 +1,23 @@ #!/usr/bin/env python3 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) from metric import (d_ratio, has_event, max, CheckPmu, Event, JsonEncodeMe= tric, - JsonEncodeMetricGroupDescriptions, LoadEvents, Metric, - MetricGroup, MetricRef, Select) + JsonEncodeMetricGroupDescriptions, Literal, LoadEvents, + Metric, MetricGroup, MetricRef, Select) import argparse import json import math import os +import re from typing import Optional =20 # Global command line arguments. _args =3D None interval_sec =3D Event("duration_time") +core_cycles =3D Event("CPU_CLK_UNHALTED.THREAD_P_ANY", + "CPU_CLK_UNHALTED.DISTRIBUTED", + "cycles") +# Number of CPU cycles scaled for SMT. +smt_cycles =3D Select(core_cycles / 2, Literal("#smt_on"), core_cycles) =20 def Idle() -> Metric: cyc =3D Event("msr/mperf/") @@ -260,6 +266,27 @@ def IntelBr(): description=3D"breakdown of retired branch instructio= ns") =20 =20 +def IntelPorts() -> Optional[MetricGroup]: + pipeline_events =3D json.load(open(f"{_args.events_path}/x86/{_args.mode= l}/pipeline.json")) + + metrics =3D [] + for x in pipeline_events: + if "EventName" in x and re.search("^UOPS_DISPATCHED.PORT", x["EventNam= e"]): + name =3D x["EventName"] + port =3D re.search(r"(PORT_[0-9].*)", name).group(0).lower() + if name.endswith("_CORE"): + cyc =3D core_cycles + else: + cyc =3D smt_cycles + metrics.append(Metric(port, f"{port} utilization (higher is better)", + d_ratio(Event(name), cyc), "100%")) + if len(metrics) =3D=3D 0: + return None + + return MetricGroup("ports", metrics, "functional unit (port) utilization= -- " + "fraction of cycles each port is utilized (higher is = better)") + + def IntelSwpf() -> Optional[MetricGroup]: ins =3D Event("instructions") try: @@ -352,6 +379,7 @@ def main() -> None: Smi(), Tsx(), IntelBr(), + IntelPorts(), IntelSwpf(), ]) =20 --=20 2.44.0.278.ge034bb2e1d-goog