From nobody Thu Dec 11 19:16:20 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 4B7642E7F05 for ; Tue, 2 Dec 2025 17:54:34 +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=1764698076; cv=none; b=ndsvR/q0rYh75OvVNLnnRAFy+0U+Bm4Muz6YYSNROQKIeruVf0GV+9GL9tjO7JIvn5T+Y54Z0nBhDeLN59x8vXzSucanYNYU3XaZIFUEBRsVT+zhhZPi2qjqa4rr/YxHX8BzWg0KV8lNaD/AM4JbKH+Sqw8RSItM7ALe5Wu0N0Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764698076; c=relaxed/simple; bh=EDGM2z+qBp1q2w0GbJXx4pSB8/TSL6GFcFldbQY99tk=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=mYMkw8X3U/+JpEcdR9eLLHHU7oHbbz2OM2X+hZGfhvIt4w5p7aJVN08kgv8cXYS+ZDszRO5hAU6HvqAG6UQJs0rBSemZCSyTE+aaSu+4hrmNSrBrGfOWugTymNhHCVYL7Z/idS7IdQUuhsXBWWlQ2PmlKuDOM0uSCDHD+9YhYa4= 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=aZ5iuxHL; 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="aZ5iuxHL" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-29be4d2ef78so64476785ad.2 for ; Tue, 02 Dec 2025 09:54:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1764698073; x=1765302873; 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=KswLRccZpd26vUqLWsUS0ORAcRxMs+DDS5zPMjce1gc=; b=aZ5iuxHLY/cDYbOdVw1VOskoJ7JwyETMLM25oJuMYH7idNX2j9rnIA9x0s+W5G69xH IrilQeY+OxYUMx63l4A01sXWhouiGP8YtF/KY16qotIIxBNI+DStg4PlMXuYgghg3q+R HbXlYsUSFNpj+IQNUJ8uSXePRGRzEav/irSxOh8gFOVJbU9OZRLJ/z0nlAVTyC83qlth Io1HH02o55rCv67gUcZdoLZErhYkqLpjB/OTLxOvEKmOaxTNK7ac4l5q47VqlMjTRMSg yiTd3mlzB/cKCPVX4tscVQd5vqBpujdJ4ZG9RSKYrZ1035/BsJtS29/cWIYVKzN3SkOE 7L7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764698073; x=1765302873; 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=KswLRccZpd26vUqLWsUS0ORAcRxMs+DDS5zPMjce1gc=; b=ub+lJQNvklr7aFnsZdp4pS/u4B1fTDuK5eJm+GRwA2U3S8VsbJx7yNLbmtL9OB5sOb oJ3im+aiPywHgx7UJfA3pcrb61PsmCgfZRPS6ghOCQFg+RCJy+oSjU5Rgo23lWw6Dpf5 opm79HthGWBzUHiKd2hMPlfM65lja/UwczAPokJoEkvL8S7aeaIOVfgdF+xXNl3eZcZQ Cqf2GRKFeEVzqui9UopqtaVcZPmC9LG4E1VJdmnGpGA7Ch+AFhcsLLlVuWJa4ym2wr1e z1Y6dQ0JMm4hEBUZxTuPi9O3T60c5kiT9uHdQ+/Q7XNk9LI129y+FrqSl0Fxr8aUb0ES x3Jw== X-Forwarded-Encrypted: i=1; AJvYcCXYDgx0oiOtgrgc3NQjzBj0iTbrPtrXPSZteYxUJfq+nZs2c5vycGvJSDDo6BQcDzVR1ivxoogFZu4e+fY=@vger.kernel.org X-Gm-Message-State: AOJu0YzD6ksrQxpy/bZ9kjYHiqeGQvD41/kqvDKuMNX9cvgHwn+Iexzu 3uB/Zq/SdxSmJtpy4MUW3QkJhBuERwN2NZuH4zhy1TJNKjW1EpGgkKJwPyRsnm2BRIWEvRqSVoR 2TUsfvHmB/Q== X-Google-Smtp-Source: AGHT+IFRjr6V567u4OtyeXwh6GCPTBOxPtGAe/umVk3ADQxbt/OF11hhZNc77wUsCuHmpDrxki1hBqeack/0 X-Received: from dlqq34.prod.google.com ([2002:a05:7022:63a2:b0:119:49ca:6b8b]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:f00b:b0:11b:ceee:a49f with SMTP id a92af1059eb24-11defc9e629mr200899c88.8.1764698073448; Tue, 02 Dec 2025 09:54:33 -0800 (PST) Date: Tue, 2 Dec 2025 09:50:39 -0800 In-Reply-To: <20251202175043.623597-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251202175043.623597-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.158.g65b55ccf14-goog Message-ID: <20251202175043.623597-45-irogers@google.com> Subject: [PATCH v9 44/48] 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 Tested-by: Thomas Falcon --- 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 2.52.0.158.g65b55ccf14-goog