From nobody Mon Feb 9 05:59:24 2026 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 3B85750263 for ; Thu, 14 Mar 2024 06:00:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710396008; cv=none; b=sybr7sBPuBImYqVjeZKVwW7BaCyPYk9mmgzZiP7HeN4Jnpj691xt/skb6JtiuPODSQZrsu+VAOZCxJid8tIRSASX6KscRjjpUPOncSDK3z05E8jJRpcGvbpdIjfcZVDyp9QUmxiGHI+KpPuXpTpw1Ch/GQICHbYppPa/2D++FWY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710396008; c=relaxed/simple; bh=gFhzpwFPHEzHqdpqsWr4rp9QKQBu1kI7PFwIsR9IC/k=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=SaPP/pe9gnrfFzxzkU7YszpPA/wXSnV/RCRDz53nzP+hZDIdtSvAxfjZGt1CMOuhX9PCiFMgFaOD0uTwKEY7oj43ZNtVsl/KyVbHi8S5SS5M8QLuU6aM0IkWIOBD1eu08xZvh1QJScbwr+aLHr/zT4k0IJHPbuKKyDNTzzPzkzA= 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=RRrESQjJ; arc=none smtp.client-ip=209.85.219.202 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="RRrESQjJ" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dc657e9bdc4so97709276.0 for ; Wed, 13 Mar 2024 23:00:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1710396006; x=1711000806; 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=W7vxajjjO2isWih1cYJ4Ij+u5GgCOj0Bgjw8R4VQYtk=; b=RRrESQjJ9NzRSA125Ua5W/OWa91CyFKJIrEyXF6GSv7Fu5Hxcb3RGndZXm44dwTt7P HfqyTJKPOozeRjGUqHOcDKPpkeI5Ze7c/0SbSVyYVzk89iETYNHf/OTaxUDTOTf4AsMD CARkAn/CN2S39WaVaYK1tzn1oSPAbMjkO438AwQ5qpUxDnX9/PqStDaMNnD8uaAvQPZY Kvu7XK2I0PMmkK9dzqFnCZ1vhRMGyIEMTDDv0CE/D2PxQE1y96Sa5wHsPxrwz+5FRhBC 0HXpJ88V2gZ1TI67jdJMSt8SSYkP4afyw5dnwAxAZRPAlBy6KPpzC9BwEljmp5nkjURA xnAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710396006; x=1711000806; 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=W7vxajjjO2isWih1cYJ4Ij+u5GgCOj0Bgjw8R4VQYtk=; b=qZ1ooSbL1Wh2xHpSIKYr2aYLvaRYvNskU6KwaGR9sJLE5C3PfmTwmRZqKkQG1X4o54 q4069k13whIgwZapQoHDoV+r+IwnazjktZy8Lm++735TNbOkCAvjGaRCU8+gVAUplU1Y OK+viFbbhZK+/Iln7BOX3Jq2gB/BTAzNwqeUDDov/EnGDshHn0l+UMRNTcDT9qdfSB3d VL/rXX9KS1v/tyDWpVkXfHVUj7efxe21oqjM+M2NwowL3AucvMcjFw8yNTzWvwzW9EPK XthPvX7AF9acvZxl/Facf7b1ObPCL267ZtbhGPvXMrYqHipRozZDNRwLgCNumiTgrsV8 T1bw== X-Forwarded-Encrypted: i=1; AJvYcCVltfQFfuJlPApcMRgwvcGMdB9Qtd2J6+XJJa3CbYHtr00cmrdoXbdP1Fp5uH/NOh/1CLzquOmp9y9CBXGSef6CEs4Lfeqf8KK5bfEz X-Gm-Message-State: AOJu0YwpPl4xBVoJDWwtVcpvbbSU/mIRp5NzomKplpyMizIlOSvF+7kC lXGVLVzNKjexIDCAbtxuKQLQzggBu21gVRurzYJnRV/h8KKaeth45apWARXQORCxFM9aGC3hnrx 9dk6HXg== X-Google-Smtp-Source: AGHT+IHNwiqaYfw65s265xd7PnGQZUyDGWFCZKVZD5ioEDmzy049uZNTjUPtWKfxBg9etYsZdXej7arVN+2D X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:449f:3bde:a4cd:806a]) (user=irogers job=sendgmr) by 2002:a05:6902:e09:b0:dbd:73bd:e55a with SMTP id df9-20020a0569020e0900b00dbd73bde55amr27878ybb.4.1710396006451; Wed, 13 Mar 2024 23:00:06 -0700 (PDT) Date: Wed, 13 Mar 2024 22:59:13 -0700 In-Reply-To: <20240314055919.1979781-1-irogers@google.com> Message-Id: <20240314055919.1979781-15-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240314055919.1979781-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v3 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 da97a1781be7..6a864c0b863a 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -595,6 +595,20 @@ 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"{_args.events_path}/x86/{_args.mode= l}/pipeline.json")) =20 @@ -796,6 +810,7 @@ def main() -> None: IntelIlp(), IntelL2(), IntelLdSt(), + IntelMlp(), IntelPorts(), IntelSwpf(), ]) --=20 2.44.0.278.ge034bb2e1d-goog