From nobody Thu Sep 18 05:41:26 2025 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 F3E5725C818 for ; Thu, 4 Sep 2025 04:47:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756961237; cv=none; b=iiUeDbT7OcnD1s2g/QAARfVIvHqR3D56K8yu4zEUO0wxudR22zqiZNEUXZa5SWcVzbabK3Wh9ZIw2E5Ba+Qy9PUirpCPn93pr3eQ3/JZ/dZFTyMKGpP7dL76p9GHxmlgFRjYY/FL7YG8/8OKB3KTT2I/1l9IbW68JJbk+N+Jotk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756961237; c=relaxed/simple; bh=o+Ieh5f7nEigRVrrQ1oFBbRlimMkO/0u27Jpnxj0Bd8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=Wb08vIRgEzIaw2zMy5/aLtKZSNoh7RJROw2ScOnSUkT51twU22ta8Yat2pqViABiS7qjpI3RrBU06Fs3imQsYIryzmUGHOf7aEMqqz/PW9S6h80Zy6f/P+qFjHPu5kIDz+LJ2vZZjyiXB1cE0von4XIR9MNR6neZR8GRBI/qrVs= 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=ZuBnXXSz; arc=none smtp.client-ip=209.85.214.201 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="ZuBnXXSz" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-24868b07b5bso15160645ad.2 for ; Wed, 03 Sep 2025 21:47:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756961235; x=1757566035; 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=kzi2AtTlZOwesAgn4m+DSLuE/Xk8AxtH2yHfI9nLvQs=; b=ZuBnXXSz6/2hBzn1S7dT+NXMOR8UoQcCDwp+qxJAT6O2Gnf/AKbi/0RURTbkjWz1MI c97xAguK4K/7pD95l1RLALnzCONWXo9UCFpHH7CF/x4sEgqZaIeL+xzLG6loFNSrN52u t+unAp5/N06k01BbdPYbwiR7ypdlEt6q20IrKWMmJhEEjjavMOA4vtSlsALWEJAowc44 0uoVy27OhEIqssriEEr/KNM5j4TsmtK8fXJArUymsjZEUFFmqfFy/MoABWNzcQD6j5IQ 84yU63BYP7pQFd3TljJkDxP7WhZUOzpGwLuv6uC2zi5v44vJzp8zByViaFiPiID+m8Ya 0rWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756961235; x=1757566035; 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=kzi2AtTlZOwesAgn4m+DSLuE/Xk8AxtH2yHfI9nLvQs=; b=l9HfTDMiQGEBG/46RhOac7W4hbbGvbU4IEe3+Aw5OHes4/mpUtr4svYQvuVrz0uOX+ lWM5kDiBFxOrOQPHyrS4e1hnr4CF6/JueXiS0xr0rBLJb6hH+P+dAEPVSeNHF5JKjQCC YZg4jDnSS/FnC1v67nvBaCxgp0neQ5TCKCCOigh1/XK110lnfPKaDuFgznpL06dJf8/A oeSrMzSMdQoJkpvKFE3Den3uw+0Q5rZiTFwFIgPX+2RIRMwOPp5iZi1Bu2p2+JO1zpDd /x/UtcKZl7K1tHCfIPtQjuxRI4Z7S1H8GufJPbcR1n5UW7p2sF/4CF5Zz1VsOYJHWyFn 3Czw== X-Forwarded-Encrypted: i=1; AJvYcCWbyTPEhO8zdFmFaF7hcnCLCR2BdC+S2GWICgCKtfrcavvj5Y2tCio84JVFDZJJZy85xkWMkw4n+6jLIs0=@vger.kernel.org X-Gm-Message-State: AOJu0Yzxp2eUQ7Y5PET3BXv6W71O5Ez1RmOOymropYkceepEYIqMfB0y zy4fSg1bn655DKB1FqhR4paLyMAUfAR/61cktGpVMEgu+NFyUG/D/yEpv0E7sRXHjRJXB/GoeEP gSHHUJfjudg== X-Google-Smtp-Source: AGHT+IEGzstwt9UTmaSuMIy+408+KXnAOSGoJNob6WBZfIdKqBTphBoO80XZXmpV3l/Csfez6aMfWBcNbhgk X-Received: from plbmj15.prod.google.com ([2002:a17:903:2b8f:b0:24c:c58a:c192]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1cd:b0:248:a406:c818 with SMTP id d9443c01a7336-24944b3c3fbmr205372535ad.42.1756961234619; Wed, 03 Sep 2025 21:47:14 -0700 (PDT) Date: Wed, 3 Sep 2025 21:46:40 -0700 In-Reply-To: <20250904044653.1002362-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250904044653.1002362-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.338.gd7d06c2dae-goog Message-ID: <20250904044653.1002362-10-irogers@google.com> Subject: [PATCH v6 09/22] perf jevents: Add ports metric group giving utilization on Intel From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Xu Yang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, John Garry , Jing Zhang , Sandipan Das , Benjamin Gray , Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Thomas Falcon 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 | 33 ++++++++++++++++++++++++-- 1 file changed, 31 insertions(+), 2 deletions(-) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index b4ed137c91b3..52c592112c13 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1,12 +1,13 @@ #!/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. @@ -261,6 +262,33 @@ 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")) + + 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["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(f"lpm_{port}", f"{port} utilization (higher is= better)", + d_ratio(Event(name), cyc), "100%")) + if len(metrics) =3D=3D 0: + return None + + return MetricGroup("lpm_ports", metrics, "functional unit (port) utiliza= tion -- " + "fraction of cycles each port is utilized (higher is = better)") + + def IntelSwpf() -> Optional[MetricGroup]: ins =3D Event("instructions") try: @@ -353,6 +381,7 @@ def main() -> None: Smi(), Tsx(), IntelBr(), + IntelPorts(), IntelSwpf(), ]) =20 --=20 2.51.0.338.gd7d06c2dae-goog