From nobody Thu Sep 18 05:41:26 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 6789127BF7E for ; Thu, 4 Sep 2025 04:47:38 +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=1756961259; cv=none; b=TtayanQq1wRDndQkELE7s3GSsNBxX2adCQu/RA5x4BzhQl24FdSEoiyS1Fcx7zlPtu9L024dtuHvX4T+P0pp6Ubnc4fhJdWSHhYXwjmOMlYlYh/pmscEbfzEh/Abe6w9tKPkuypicnYT/kiMnbOte0YzW8R8PqRzAZf8BOyCNvw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756961259; c=relaxed/simple; bh=WgVcgUdPY54/oQ+eQT+NZOGinWPMmAbwiaLX87/GM0E=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=gyeBc+N1xPtPFi2WAsAl5loC0gvVWPgrDmxNVHVZ7to1GOJK623lu3rvvCx/0lgfpREgSwqW3d/xwWmesYyDVIbBSFa3H+DegSvZXXyk1W6bWI2cnVcG9ubFdbPHHhzj7UT71Zff4J+Q8n9ziwHYm+577tOShPmuVeUquGgQ1lU= 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=yAR3xII1; 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="yAR3xII1" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2445803f0cfso9811805ad.1 for ; Wed, 03 Sep 2025 21:47:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756961258; x=1757566058; 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=QeKqI6ebNZk2OSGf7DnIa24sXNm81pvOyP36Y1EWvxI=; b=yAR3xII13+c7nxK6jXxpaeWXk+YtpYYRsxaahrS5ddVl68UhVRAYKTl4CePZ6WJIef 3lgvvSCTmgCf8LV8ZOXhayMVNrwDeHZqpMdFLQVRNNQonpjeP8JJ3onj5cHTVGzIUUQk nDJsODthAxFZHgI/eO0iBSJZ5jP4TZoPsaMONj4YUnAynhu6Tmk2KJW2YWxyNVSTpMKB bO6qWXohSvBXA5ssSoEZx721q8E+TlsT2I0HrSnjfCWyUVtTMQAYnAnZgwNum8XEF81F XEtU9pqYzb8Cwgw1I07kmNb33NSvAJnJ+brfXN9D5VOWrv/kod0RXJavrM0CNWwBdr2b c2iQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756961258; x=1757566058; 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=QeKqI6ebNZk2OSGf7DnIa24sXNm81pvOyP36Y1EWvxI=; b=E43T11XqD0LRmNPxGdTzjerrGTadwRlxYeLJXUFXKi3+ZH9bt6/JYqIE80Mp43Uefo bGEVzN616sgdD7nuM5TQB84NMBzOKa4N5VWoUWg2u75zzDB0peiRPtH8F2yXmprEYegO 7lJ17v2BBo0yMrrlWzWa1v6GOFqALTZ2f7jIPSGgeeMqjTshTwgug81i2vym1ioznFpA qbczfZe9yFw/5v+8nidT2w1Kmf38u73HRCWImQXKsl7XIART1zww1JD7oiBCx71vxf23 TEZhlbb5EdQmIsD+32eQ4rWCx6yqroNrQYaheZdfYqTlKs9aLDtQxCt0B5qlixNxg9IZ nZ8Q== X-Forwarded-Encrypted: i=1; AJvYcCXxi/+7y0uWyTGiPcD9CIspEmnCEJqnpQgSkdXx0HJ7HnaGHoGvAk4LJqroas4GjmbThmVgFuBoraxOINc=@vger.kernel.org X-Gm-Message-State: AOJu0YySC6VcSfHV33gRCP8KSCbvXyWM+LuYLMxuaI4xAY6I3aRXVjjB oVj7kRhbEwwWtPRtWWO0nFWjjmdDEwYyGxwO5jX6YR4yG2v7MlCek4QOwMcd4f7xYxd7mntK0G0 jCfLBP+dmSA== X-Google-Smtp-Source: AGHT+IGoORPmYjgWxJS10suOpl3A8FHJZo0ncTb0Cn+5QwvLUoT3l8NO/UcjqQFK/RincPcsu8phd8kZmz9j X-Received: from ploc11.prod.google.com ([2002:a17:902:848b:b0:24b:bbf5:4bc7]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:22cf:b0:246:80b1:8c87 with SMTP id d9443c01a7336-24944b2a6d0mr202623705ad.43.1756961257708; Wed, 03 Sep 2025 21:47:37 -0700 (PDT) Date: Wed, 3 Sep 2025 21:46:52 -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: <20250904044653.1002362-22-irogers@google.com> Subject: [PATCH v6 21/22] perf jevents: Add upi_bw metric for 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" Break down UPI read and write bandwidth using uncore_upi counters. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 47e8f1166870..e639e8998d87 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1009,6 +1009,27 @@ def UncoreMemBw() -> Optional[MetricGroup]: ], description =3D "Memory Bandwidth") =20 =20 +def UncoreUpiBw() -> Optional[MetricGroup]: + try: + upi_rds =3D Event("UNC_UPI_RxL_FLITS.ALL_DATA") + upi_wrs =3D Event("UNC_UPI_TxL_FLITS.ALL_DATA") + except: + return None + + upi_total =3D upi_rds + upi_wrs + + # From "Uncore Performance Monitoring": When measuring the amount of + # bandwidth consumed by transmission of the data (i.e. NOT including + # the header), it should be .ALL_DATA / 9 * 64B. + scale =3D (64 / 9) / 1_000_000 + return MetricGroup("lpm_upi_bw", [ + Metric("lpm_upi_bw_read", "UPI read bandwidth", + d_ratio(upi_rds, interval_sec), f"{scale}MB/s"), + Metric("lpm_upi_bw_write", "DDR memory write bandwidth", + d_ratio(upi_wrs, interval_sec), f"{scale}MB/s"), + ], description =3D "UPI Bandwidth") + + def main() -> None: global _args =20 @@ -1050,6 +1071,7 @@ def main() -> None: UncoreDir(), UncoreMem(), UncoreMemBw(), + UncoreUpiBw(), ]) =20 =20 --=20 2.51.0.338.gd7d06c2dae-goog