From nobody Wed Dec 10 20:09:23 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 31CBC31D749 for ; Thu, 13 Nov 2025 03:22:26 +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=1763004147; cv=none; b=AO6DyePmTGd0ffcJOiQx2+iY2fscliR8mjreBlsaILUcQ4IbTjvTm0NWoDH5axwNwSU35uKe+LtSbETTUNt9uDveU7tvUXSgiExmxj7hboaIugBFbDMafV835l+vnufulzLDdc4acAeuhcNfPkCHro9iJAthlDIqtlX+7g8BGTY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763004147; c=relaxed/simple; bh=Cgrn5s9K+hOhdC3Kkof0GurfCoyskQbob4D8Z7OGfPI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=uJiorZIE32WK2ddgL+v+Moa6T811Ye6jdAFlpu9gA6lEWcoB/mpdDZyY5mWcGCsX8BHumGzExZ39yomhOfnJCG1kcymwe3awOaQbD2ajYnM8969vQy75bBNvBLIRq9c5G1jTWqoSSVvE9PT+FySLQ5NGbHZyZ5LtmE9zSxOoYZk= 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=z4R/pcSW; 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="z4R/pcSW" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-297f587dc2eso4397205ad.2 for ; Wed, 12 Nov 2025 19:22:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1763004146; x=1763608946; 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=IHh9aOjep5ch3f1bENK/wIAmZh80xO2AoWISVhbZGbs=; b=z4R/pcSWzswSLaP0yycA6hkLdo6Ml5KsnjXKQdyGWn2Hfb68o52sGnWNIG4awEIg56 J2WSWHU/3xTAyiVdOZRA6WYsV92w7ED57U10/POT+Q8/tOPozs2XmAoCOzSqth+Yao/B nwzCsVn74EEWYrLA2JbL2bUmricMzyemF3BNIfhFmMfphy/+E49QtQenxsjvcnfIqn2U HIEVVVifFS83MJqp3/hMjxuvenHy+2d+jHIdTd5agGQduArB+f9PxggDC47P3lxSIalW HtEw5JnMqmWraV8LC4+KQoRPZl2zH2D0dfyiUH5d9QcNT0JN5+Onm+OAuy8ngngV/aW0 u5pQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763004146; x=1763608946; 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=IHh9aOjep5ch3f1bENK/wIAmZh80xO2AoWISVhbZGbs=; b=jZLBmAuYB1FHTNLgPsRMzjjD9rE791x2NdyjNF6rhTMwIs6GvVZSFzbrv7XOh1080Q TUlNbcm/A+YRD6sdspQHzUPDS8pjx++OOkGiM5c0lhw81orgY2L8wOUOPg6ACK2Bky4o TjFY+LtXIk1kvgLmp0CrN7cfoczhPvRafIJNj1LF7OxAeo17D3zHYnuUr3lO6EzdLTmo w82JqTAl/v+vqWf1RTo7q2V7KbKC9l4CQ3WSDToo8wO/sLRMR2C82QAUgPek4ZWRRu2G FZTfDFITHl/AJL9Mobo3IuAuyuhHZYX3medv/aBx0nSdDMzlkv5SAXqHwhZ81jyXVP/B aZoQ== X-Forwarded-Encrypted: i=1; AJvYcCUZYi2QTD86C2KX5zLakoRcDz7w0xREUaFZZRl+8V0r7jdqSWnb6QD0pUKYY9VheddAsSBlArq8G3/TZbU=@vger.kernel.org X-Gm-Message-State: AOJu0YzSWy4VMd7RGmFDW3rYFZcD5PVvbixoh0AEQVMgssqLaP3sa/NH YVWZPxa/6524mnYkgQo+ZIFEVwhdOYnmG2SdNxviR40b3roZgbhCmSCUv3tm17zz+UnEwNSZX3M PbLZaKT9UVQ== X-Google-Smtp-Source: AGHT+IEteJFe2wj6/twulKdAFdi8lqJ8Hyr8xL8nUMpnOp47DYZOzTaZS9eX1v7Kg+BqzewYZ3Xj2icn6/1s X-Received: from dlbvv8.prod.google.com ([2002:a05:7022:5f08:b0:11a:29e5:12df]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:f712:b0:297:c0f0:42d7 with SMTP id d9443c01a7336-2984edcb752mr71037525ad.41.1763004145593; Wed, 12 Nov 2025 19:22:25 -0800 (PST) Date: Wed, 12 Nov 2025 19:20:36 -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: <20251113032040.1994090-49-irogers@google.com> Subject: [PATCH v8 48/52] perf jevents: Add upi_bw metric for 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" 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 037f9b2ea1b6..f6bb691dc5bb 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1033,6 +1033,27 @@ 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 @@ -1076,6 +1097,7 @@ def main() -> None: UncoreDir(), UncoreMem(), UncoreMemBw(), + UncoreUpiBw(), ]) =20 if _args.metricgroups: --=20 2.51.2.1041.gc1ab5b90ca-goog