From nobody Thu Sep 18 04:02:51 2025 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (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 610F4242D70 for ; Fri, 29 Aug 2025 04:11:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756440707; cv=none; b=VaEO1Eq/LOuhizztaLgscIu2qcUYcaJ6XZs/VsulLForpd2P/ZzYBTcwOk+hXLV5yBvzZPkA+9itFPQUXNcX3xyPVw7s5T1iimFc6/+Bs4cSoxDeroHVN08TucGFtvT93DwwI6gd4R4y3MaF9wRmOaGhLBZBdKrWoC1aEd9x3SQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756440707; c=relaxed/simple; bh=zfYwywDhmS19+ihI/5ySZ/K6DgzjXK/uqOpp9y8XCrQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=Mtqz4D4/JyAEPYdtxULSuDfYnT1NqqXy2ohgyICaBlEm2ssYv5IGG8Zkq8csx8WuJFs3kfPNMLDHTkrqk3SpZ8VXGuako7bSLK4dqGsgY+WuVPmcgSQz9Fbz94U9Zk1ElEZaY28IQpygaImgR0bQNc6JtGOipdxNv21wbluusvc= 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=t6cvOE4V; arc=none smtp.client-ip=209.85.215.201 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="t6cvOE4V" Received: by mail-pg1-f201.google.com with SMTP id 41be03b00d2f7-b4c54676185so1439379a12.3 for ; Thu, 28 Aug 2025 21:11:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756440706; x=1757045506; 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=UhKeHAvUy0hnoIlAuEt/dp1Klyhju1nBf8M9CfS8ME0=; b=t6cvOE4VY7XkaqIGO8P0bSq+PMr9nOZc7VLUy7MMCTTsAPej3QpKM61a/c2tvF854T YY0YL5Hh1BSac3J0ooUiJg4FisQGBLuV4vOKZuZAdEwKAN7vkSQ6tH6ChdOja3m3LBcD CF3ENYUf29Jhu+6LZdGu0kHByPpFxcwtDINt7YrLeuX/MFmUEVZ3BeaDLv5haIO0Bjay XMHnb8Bofrrdi7Xm3EaGRc6Af2E3qP71k1SfgXeHUZE10+3PP9lpol4XQRcNlXSrZfxp hdYj1h6clqSDSe8jBSqD4T2OM/6vPrqHVOB4VuFKnZkOR64PDSWsh+tRsDqHttwB1TLB floA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756440706; x=1757045506; 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=UhKeHAvUy0hnoIlAuEt/dp1Klyhju1nBf8M9CfS8ME0=; b=CNf9iaVUrEkdb71nb0U3HgQY/fRNlkgWyqRisBVVfIGnOv76qEK7z8UY+kalh24wdL sxyFMbZr6I+HPtFUK9Oz4+KeQeAXDeJ2JwOAhSwu+S1Tr9FeeyLkJk751p7gXU2kTE7G VaKoUXzWWL0VSmMPAAhFRNQHBxMTCjTk84hbT24KFmMVEdxtIIz3viXfmS19F0iD6W1a 3Gk9/SABTtvYlUBZ4T64UdV4w/Wx8cPnvyTSACNcM/TNtt9Ymae6/WWDO2qR3Xg5CjXZ XN2hl0HLRjOb9QjVxmYStTpTVEJgWDggpQo68Z2ZP5Zqzdo5sEnTfcLkNMzx+F7QD1OO 4Tcw== X-Forwarded-Encrypted: i=1; AJvYcCXnkWfYlgeHqO2sZYLmWki5auIF7Gq7YJZyvoa3FW4MFSNDh6YBwDx8kRFPC4+AWddREgZ/M5uL9vhCGNE=@vger.kernel.org X-Gm-Message-State: AOJu0Yy6nKMyR5lct91Zs7aTjIAYrpCeFAk3kwKCNWxCoedq7NO62Mvl pTwXmZTZhmvcF8Gwmup16ysH1HpUk/yVoTymZZacIG92NomLhv8r/QNLJm4QVLLMuedRJJ6Cc/0 1SiKFxYez0w== X-Google-Smtp-Source: AGHT+IEmlXJ0ceJYM48S+eToRHxpgYs5lELUmy1KTtYP3hiRwrvVoykzf2TNA73kX+gCQtzXj7UqdHnIIn31 X-Received: from pjx5.prod.google.com ([2002:a17:90b:5685:b0:31f:3227:1724]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:7286:b0:243:ae10:2433 with SMTP id adf61e73a8af0-243ae1026c0mr8637290637.40.1756440705784; Thu, 28 Aug 2025 21:11:45 -0700 (PDT) Date: Thu, 28 Aug 2025 21:10:50 -0700 In-Reply-To: <20250829041104.4186320-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250829041104.4186320-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.318.gd7df087d1a-goog Message-ID: <20250829041104.4186320-10-irogers@google.com> Subject: [PATCH v5 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 cfeafb58e8b4..288903707bc8 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 2.51.0.318.gd7df087d1a-goog