From nobody Sun Feb 8 23:23:35 2026 Received: from mail-dl1-f73.google.com (mail-dl1-f73.google.com [74.125.82.73]) (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 4C44932C33D for ; Thu, 8 Jan 2026 19:12:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899549; cv=none; b=PvZMg5rbWfUVPnDbjnmmMUsGuhnGvdXrc5yLBdon2hjcn+DlD9W2GFlXjly+F4ZOQXptUFg2l6gOOCkna4/MNlwy3yqMOgOIEjZi+c7rtHBt5y+BcHPh6Y5/5cShJl+oYUyNGzd32AY6DU5ZVrXiMOieHx+iFIzK9b3lWlC86qM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899549; c=relaxed/simple; bh=M7A7ApF8aVAKAI09vVYWVhio9Nus+oQ+xkeCbrJDjVc=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=MVrOH7PEwOAhe8RDuUkDYfC5Yev4qfTb7SuXHXAyc1F+TTp4igPE6Q1A+ycD3ZFTRGaYB1vGb0AaST44mfMQVd3r7WYfs+Fo+3+4SpTnWzSk6KI7VvS/BbvO8N4mTszx2swrJW4tN6Iw6eD7yTK1VB+3bazxBo3/xXiOw1NFL94= 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=mWbrh5hA; arc=none smtp.client-ip=74.125.82.73 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="mWbrh5hA" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-122008d48e5so1427371c88.1 for ; Thu, 08 Jan 2026 11:12:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1767899546; x=1768504346; 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=O7CG6C6zIj+w7vvLfhwJEssyIpR+8clNxK6M46Vo0NQ=; b=mWbrh5hAGA6jUmXgV3B3hnuiGAhHazV6ZdoF2kq2JFIOGACrzoX4wZrWEi6FFUvaqv U+7rcdnjL81mDivLVTVZZkBFokpjgf38yOEI6j0vbXS3vE0NtHNP4qhNgvif25mLD+Kw g6duz2tVBf+9W7iJmNWxBpYKY7ShYdhSVfypLY0243UnV9aOFSC9EQuhOdkB579g53uJ 9CqRleh7EsBRDCB1imi3J5eB+oTchRKFWk6nTf98M/+/tSZx7UoL0+JCZaRx9epWuQZq zUfOcikt9i2erRqgJ7X3rVQrtBbE/LOBLf5w9+OsC0+X8Kv2ezTZJC99yTmlGGIhtUuy Aopg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767899546; x=1768504346; 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=O7CG6C6zIj+w7vvLfhwJEssyIpR+8clNxK6M46Vo0NQ=; b=mnVZTOLKzy/n6VgNWGGMQhABI17H0jfOJzGRlfxygZUEw034ZKytzBlQ/UwMkpcvCR 4tFwZLY0LwHIeORhZryQVuHGTvw20+9hkCgpFrrIC2TVBATDKpRU/03/imuJyNf/88wj emLpfy5vU3NNjYzcxNBXLmndI8kzchfmtTZp9wGJYc60Iwr/GZmg+8X9S3ca2NrJXelw gqcD3hSeX0nsh0WA4PpWPTydExLGkb0cwiER/u0Ks3WLsRjoF7GZM8um9qNKxFJS1rum TKcZAATktYw38n/bz+6hNsqqpWQHqg/do8497AQRgAE17hsn3n4fp+fUJmcOPqmoLoR0 OOJA== X-Forwarded-Encrypted: i=1; AJvYcCVFL9Zg1RU7oAbAE4e+xtMZkKN2t34z1ZwUZGWfqrQ01EVUBJUarDQ5FjvAnPt+GbzruUdEzOfV7ggVudE=@vger.kernel.org X-Gm-Message-State: AOJu0Ywl3ceJRyev52G6TdqXV7irG490HCwYjg8SDtpRpCcTu/TFwW3e 7CCOXqa+mGai2n6+Gf8P47dQbXi54ToJGR6DsM7A2IsQL8nC676rnx7oT4BojvV7ofgvEWRv0F1 jDCGVzcRMkQ== X-Google-Smtp-Source: AGHT+IHW8rJELnJiguAxNE3b+MLwN6D7t5G6UVdNkhb1HsY9JfLrnAjjNmW4ZmR6/GozrxXTwEqyHEMiWaw2 X-Received: from dlbbt18.prod.google.com ([2002:a05:7022:992:b0:11a:1004:5049]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:6723:b0:121:a01a:85d8 with SMTP id a92af1059eb24-121f8b9cf5cmr6434656c88.45.1767899546120; Thu, 08 Jan 2026 11:12:26 -0800 (PST) Date: Thu, 8 Jan 2026 11:11:02 -0800 In-Reply-To: <20260108191105.695131-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260108191105.695131-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260108191105.695131-33-irogers@google.com> Subject: [PATCH v10 32/35] 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. Tested-by: Thomas Falcon 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 2.52.0.457.g6b5491de43-goog