From nobody Wed Dec 10 20:10:00 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 D69693164AA for ; Thu, 13 Nov 2025 03:22:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763004125; cv=none; b=iz0cxLTE085ZAmh9awb/Da/MoTJVGIBB6IJQ8PrONRi5o6MpXXj2nyBiHxAOomafgWC+BuYRlHbGUuqzIfstyV0ceJlY9bpapY4H9eclzmX9D6rVHLuo0l6JmQprvrKKSlrcguI1fdbH+YflNzAaxiLsxNKuH7z71t4fFKxOSxs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763004125; c=relaxed/simple; bh=ReOI/yw7wKiQdecqgoKq7L03iNCYJDFt1sIl3LZIdPI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=S3XVmf2SIVgR+w/Zli1EIeX0MTvB4nwothAbIpfRBuQtaQQf9BY9QLBVfT2URYuKilxnsFxRlkWgLdfSN++XLwnsYZZhVUZxHFgIR4qpO0jfbvUySgpVU4Q+ILkJwafP+5ZVuO/5AbouDTuOTK5BiumVmIFRmkKHkpL+hif7RB0= 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=hrvfzhlX; arc=none smtp.client-ip=209.85.214.202 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="hrvfzhlX" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2956cdcdc17so3960125ad.3 for ; Wed, 12 Nov 2025 19:22:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1763004123; x=1763608923; 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=TDpei4kCaCeIleN5UbRvrQ+OXCtwgMX3eQqxpgwlAMM=; b=hrvfzhlXLnvSHoUqjvM4McJKhrpRqPKr5YVYE9xY17CGjmB/xahJ2s6oMjMa1gNZGM uBgd0ihQ8zigY+LdKDrqGz8qHn4f5JUX52EnU0cP4nBK+I/ng/74QKCayKF0clz9Njo0 qK+A97feHHEF5EuerMR9dSb+QKVasCGUXE6VfB0OgNsqSyv47oeAie/wmABjHCI35W4+ HVQOPzdOU0ydqMXPQNg80IcXCoGRf4S0wyUBCHH2HHCo5btAZvDOcdN6D2guAsa+GnWy Cdt+AsNs5SWJkILUCRvO4P2jFg7t5FPTSMfSGh94+b55X/asVSgB3FnUh1xHNAX9FmK7 7IBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763004123; x=1763608923; 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=TDpei4kCaCeIleN5UbRvrQ+OXCtwgMX3eQqxpgwlAMM=; b=R/mg6WLz2PAqfHKIUZ7CzdZg0JIsMCtcXxG+kevikzYc5C1QVZhN2Wffoi50zoLm05 Hs28rzAcvNWN7Gjm3VV6aOXMnramUJsDepaI2yFTMxKF4zPl1E9eTbqjrKbjV70SKwBG +H0jN4PIM2gCirOl96JkWvkYe5sVCjDF6+o9Md1iGZ3xsin1+46GxspzBrp9/UxqUNlh UtphLVcesSiQIBZiwJ9hNBq6oZpYxRUODV9C0bqebn5ZXkHIOQ8SPVIYGMkrgK0tWZGA e01/1FVNbBTrTQIkL7r65QDGRzEoMRAFemvt7WKmSqgJmXPff6b7C4OB6E5PSbBAv6hc yHkg== X-Forwarded-Encrypted: i=1; AJvYcCV/j9wgupW9EGM2vnBe3p+ziSHeUAIZc4fdFNrRtbwO4lM5QLdXJcH727eB42lgdgvJ1tMk7C4/mYsKRsw=@vger.kernel.org X-Gm-Message-State: AOJu0YzFjec1IuG8b1d7aBirA7MW5Cspohl/hGQ8Z0fMvN+oarGIO53Q NQ3ECa6rPzLDIn/8x1krKLMroNoyjxOzBhViTfjYx3xNbTR9HBoJYYSLHQmaFiClH9hs/n/9Le8 CGP3cmUG4qA== X-Google-Smtp-Source: AGHT+IEcHxhuA5X7tAwArcHTSLd4uPktHr67wK87JmqzBFDGMyDOjNJyoGY6BxIloszi7vK/EhVrRowzrs9X X-Received: from dlbcy1.prod.google.com ([2002:a05:7022:b81:b0:119:78ff:fe1a]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1a28:b0:298:485d:557d with SMTP id d9443c01a7336-2984edcaaaamr65279345ad.45.1763004123184; Wed, 12 Nov 2025 19:22:03 -0800 (PST) Date: Wed, 12 Nov 2025 19:20:24 -0800 In-Reply-To: <20251113032040.1994090-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251113032040.1994090-1-irogers@google.com> X-Mailer: git-send-email 2.51.2.1041.gc1ab5b90ca-goog Message-ID: <20251113032040.1994090-37-irogers@google.com> Subject: [PATCH v8 36/52] 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 , Samantha Alt , 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. 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 2.51.2.1041.gc1ab5b90ca-goog