From nobody Mon Feb 9 00:54:10 2026 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 EE85A3AC19 for ; Fri, 1 Mar 2024 18:56:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709319410; cv=none; b=vBd20cUiwdE3LkXrNby7k+4FG3wcj/ENxtD87BZgfmdacJbH7/C39yxiRgTIN9YENM/1Es5qR05+oth59XV0JiAC4H0iFgbbSyVu0SpUX4hlSNylsWlbCBsbIBpIk3+46ptNVcNEjPQ2pytCZ/fLj0ts/oeN0WdDHlJsIcGgpG8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709319410; c=relaxed/simple; bh=ioqKuJWewNQmhIwOmTO7CGCh23AwMW0/VlYh24IVFkw=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=GmCGVc6toxoyjqmtZAQtptH4j3/gsYaa9nRtj4M+0n+LkCiwgEMP1NSMD9YEBDkr4zg4eF52gb5O47KOIziZZncZ4DI+rvtfcFaOUASDcPwhZ88DY2p8hVmhdd6TZWbXMao+Ry1v3KeqEA8FGH7xzHASl7PM5psh2QcI9eUVkGk= 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=ytYvK3rB; arc=none smtp.client-ip=209.85.128.201 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="ytYvK3rB" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-607e56f7200so24206407b3.2 for ; Fri, 01 Mar 2024 10:56:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709319408; x=1709924208; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=j29r0+uRis6oMNX35QsnEUIN73H3JiunuyPnByIi9hc=; b=ytYvK3rBsX0Y2xqWdG6ypjs6MFmehN1zGOP61V9132ZQxdSB+NqJWqzQ9MquNI40cJ 43EFc0wrRcvUy591bRGSYM//rGz6O81MeEea8sTehq67xfZo83qac3ISFzCYlDO/6BNm mKlYjzWUxrav2GqG7eaMf+mrwv9Sk5VYxfrw5nDGmEa0TQD0ahJkYLFtSshMjB2JcNkF 3Cv+G0IgNKYv4gMILjDoyPv+VantE5Bp2YGu/SnBRWW+HYz1Ho2fSwpWC9grALa7sBsx oEBv8ODNAp84NlTflDKLW+zh0bpsbjvMEM4eBSkL8iitjtE+B8B04x8e54/kDzFIzISH S7Zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709319408; x=1709924208; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=j29r0+uRis6oMNX35QsnEUIN73H3JiunuyPnByIi9hc=; b=KI81BH5iXXASEaO4Vvi0RTBtljYro5VcDA/Zz5f5ofS2vXUL15jQhANFlSJcaPywqU GYZXScQENLh0fRJ2ArSm878DocQJiGPE3WQmr/PI/wCKhvjxeNTSOx0LFnZQLr8UGIHV Wk1ztytaQYtgek4ULTPwBl8FbK+2wzznCgcWuGTe4ZaQ6aIUV/mGQCPKirierXT0FbiS HIO1oqK3pOoZM4JvfRjoFln3glW1W96y+RnTW2vsqClNPRTs3p+ITSjQqvf1ZRo6m94P niSGr8ODVVLKtNDcLaIR13qZar+Qz1CDbm9I2kR94A4Z+Pl6HXoSKpZJz1a5Cq43HJ5p fiog== X-Forwarded-Encrypted: i=1; AJvYcCUQyZKa8ixd47H7htkwbPxpjZrgVfJy3XyBWjRfknEvuLk0Hn6R+nXbrXMMrsVVrIpP7YiedNyZp0EY7mGnA7rvJdvH8/M0xBTk3Ugl X-Gm-Message-State: AOJu0Yxr4Py+jyU4lqOLME27lbfORkF3ofqTxnnpx9TT1pRglJS8uDQb G+LORIic8xO9yIoUFpyw+ViEKaOersXfJvzdyz1j7F4iPGoK9h9sO+2Fp3K+GKe6vM+uKfWIpJV /C36S5g== X-Google-Smtp-Source: AGHT+IGKC95PVGcc/vbSVyPdG7qyY7ADCiD3b2UKPwJGOqVAXiZwP3VxyaDvT3c8w7YXBOBh4uN1Nw4liePH X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:af4b:7fc1:b7be:fcb7]) (user=irogers job=sendgmr) by 2002:a81:9950:0:b0:609:4d6f:7c0b with SMTP id q77-20020a819950000000b006094d6f7c0bmr473405ywg.4.1709319408201; Fri, 01 Mar 2024 10:56:48 -0800 (PST) Date: Fri, 1 Mar 2024 10:55:53 -0800 In-Reply-To: <20240301185559.2661241-1-irogers@google.com> Message-Id: <20240301185559.2661241-15-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240301185559.2661241-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v2 14/20] perf jevents: Add Miss Level Parallelism (MLP) metric for Intel From: Ian Rogers To: Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , John Garry , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Stephane Eranian Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Number of outstanding load misses per cycle. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 6f18d5fd9f95..2cd30c557a59 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -601,6 +601,20 @@ def IntelL2() -> Optional[MetricGroup]: ], description =3D "L2 data cache analysis") =20 =20 +def IntelMlp() -> Optional[Metric]: + try: + l1d =3D Event("L1D_PEND_MISS.PENDING") + l1dc =3D Event("L1D_PEND_MISS.PENDING_CYCLES") + except: + return None + + l1dc =3D Select(l1dc / 2, Literal("#smt_on"), l1dc) + ml =3D d_ratio(l1d, l1dc) + return Metric("mlp", + "Miss level parallelism - number of outstanding load misse= s per cycle (higher is better)", + ml, "load_miss_pending/cycle") + + def IntelPorts() -> Optional[MetricGroup]: pipeline_events =3D json.load(open(f"{os.path.dirname(os.path.realpath(_= _file__))}" f"/arch/x86/{args.model}/pipeline.json"= )) @@ -781,6 +795,7 @@ all_metrics =3D MetricGroup("", [ IntelIlp(), IntelL2(), IntelLdSt(), + IntelMlp(), IntelPorts(), IntelSwpf(), ]) --=20 2.44.0.278.ge034bb2e1d-goog