From nobody Mon Feb 9 13:57:59 2026 Received: from mail-dy1-f201.google.com (mail-dy1-f201.google.com [74.125.82.201]) (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 CAC7A367F2A for ; Tue, 27 Jan 2026 18:46:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769539567; cv=none; b=NxQx3pDiF4bQFeYz4qbmgfn6JJ2guDBCxhQMEMMo1bdCjdloEx0X1YtQNf4Q0yopcaiOafMY9AmqRh+ulJVun3xVyG+oKe2OP1PyfemygmXlIhamjoF49dlEBIR3une531pp3SC7xhedd+dDnZ6KCtavCs+iMJeNw20GOoAh2mM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769539567; c=relaxed/simple; bh=G/uAvahxqJcRd5BleQ08IDyOIhEFgPbCXkArIUPFs8I=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=MRJWm4QamQbaWKrzxN5WmTga/wldVUL0UUYUr1b72G1JpfTHVujFiSXb0TmPp1GNdAR53NbyJKsbLXI2K7tMZPVBDDhKta0Cp/XpnIeZiiWcW/vmN/CTFXMq/WG7DC0eGijxbK5Gk4wWctdLx1IPYB6Q3MMtB/MjmEew14x5Mbg= 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=FxyKjzvW; arc=none smtp.client-ip=74.125.82.201 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="FxyKjzvW" Received: by mail-dy1-f201.google.com with SMTP id 5a478bee46e88-2b715b26fc3so8096215eec.1 for ; Tue, 27 Jan 2026 10:46:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1769539565; x=1770144365; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=ojqL+aHY7ws3pOSR/jykm3GApScz0VMEtLVUVjH0CII=; b=FxyKjzvWvevzn8Dy+YPVFyFWeyI6JQjbOCOdc9cEDjlvwbyrPcaxWJNjSUdOyc1Dvd GORKO1t31FC3LaX+SkFUMCnfRKr0iXnit3G0Sn4vddssruFhKRboQ7ylEI+L8eu5U8Xc 4YeSB5cw6KDr8+AF/j24KWrQ0v1vP89CL55u/7kphIl1L4OV2hpOaA88wHIe0RKjjRcS 1iL2fTtvlU9SILQD/1Rzaa9MEvkBOw5VWBrC69+ZhizHGdIadPFVdzy+dOHaUuxwym7t gLDDYiWT6be5tB1FEMrlLqPK7TUYVN8mQVAb81vfxRxpw2LFg/BRv4sy22n7CRbbvMt5 9UoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769539565; x=1770144365; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ojqL+aHY7ws3pOSR/jykm3GApScz0VMEtLVUVjH0CII=; b=tase7jsoBi6NZWae2BYL3AEpxh84SvglZfN6ZFTotFeG8MKaDgwC2KT3qymVj9NTJp tmCKKQqJMxT4IKa5DNAmnOTIjYesySW2W38jqUdriW9N9mBBchdT2xjO1TyNAGiR4xDD trMMYeeDi9noRzq3tweM4QWH+k6apO8nsER4TZa3hI/BGGGG17NGA8FsTDckAV+hY3Vb QgKPbfVn7GNMCLyUj5PDlqCsSrZ6cDI6SykjrXgWA9cAY9iia3QO/q1InHEWrZZd0t2f Itgs+6nvtgJ/OwYWXIo0SZq/btwctW6X/Er6/72NK+MvloCWKhu1VVuv1WT4fstDJaG+ oOCQ== X-Forwarded-Encrypted: i=1; AJvYcCViOyZ4kcRMQSzxuL9/Psj6ET/tggIoA8OElQwOCT91npDFaQz/f9ZzxpWR3fAUbhKuwtLh8Trw20Iqbtg=@vger.kernel.org X-Gm-Message-State: AOJu0Yy4gyEZbUiw1lbMiajrfwabQSOlOEMooBIOf0W5o9oC9D9qRAik 4oyc6wIY9XgGbtDBvdNOV2dV8Fu/2egXkWFn0i76z3i4dLmjb4y/oM8IKE7Qsvf2bBZWvsC2cYZ nANLiPJyegA== X-Received: from dymh30.prod.google.com ([2002:a05:7300:1c1e:b0:2ab:9e42:f552]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7300:230b:b0:2b0:520c:df62 with SMTP id 5a478bee46e88-2b78d9193bdmr1734981eec.19.1769539564966; Tue, 27 Jan 2026 10:46:04 -0800 (PST) Date: Tue, 27 Jan 2026 10:44:51 -0800 In-Reply-To: <20260127184506.3059493-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260127184506.3059493-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260127184506.3059493-21-irogers@google.com> Subject: [PATCH v11 20/35] perf jevents: Add ports metric group giving utilization on Intel From: Ian Rogers To: Adrian Hunter , Alexander Shishkin , Arnaldo Carvalho de Melo , Benjamin Gray , Caleb Biggers , Edward Baker , Ian Rogers , Ingo Molnar , James Clark , Jing Zhang , Jiri Olsa , John Garry , Leo Yan , Namhyung Kim , Perry Taylor , Peter Zijlstra , Sandipan Das , Thomas Falcon , Weilin Wang , Xu Yang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org 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. Tested-by: Thomas Falcon Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 35 ++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 919a058c343a..7fcc0a1c544d 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1,12 +1,14 @@ #!/usr/bin/env python3 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) import argparse +import json import math import os +import re from typing import Optional 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) =20 # Global command line arguments. _args =3D None @@ -261,6 +263,34 @@ def IntelBr(): description=3D"breakdown of retired branch instruct= ions") =20 =20 +def IntelPorts() -> Optional[MetricGroup]: + pipeline_events =3D json.load( + open(f"{_args.events_path}/x86/{_args.model}/pipeline.json")) + + 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) + + metrics =3D [] + for x in pipeline_events: + if "EventName" in x and re.search("^UOPS_DISPATCHED.PORT", x["Even= tName"]): + 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(f"lpm_{port}", f"{port} utilization (hig= her is better)", + d_ratio(Event(name), cyc), "100%")) + if len(metrics) =3D=3D 0: + return None + + return MetricGroup("lpm_ports", metrics, "functional unit (port) utili= zation -- " + "fraction of cycles each port is utilized (higher i= s better)") + + def IntelSwpf() -> Optional[MetricGroup]: ins =3D Event("instructions") try: @@ -356,6 +386,7 @@ def main() -> None: Smi(), Tsx(), IntelBr(), + IntelPorts(), IntelSwpf(), ]) =20 --=20 2.52.0.457.g6b5491de43-goog