From nobody Mon Feb 9 03:11:02 2026 Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (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 8541D4CB58 for ; Fri, 1 Mar 2024 18:56:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709319418; cv=none; b=cAzHa5pUXo8DH+Tu74W9ucr1+u/3j27LmvonRye9GAYNeJfRZKb1W0pnbVJRsLf3vybtMbFZnG5x5Uu/hc2JB55kFxvPZwF8Ij8lFb/xD1ZFp7apMeF1zWOcxE0jOHmAZz07E3XE3DLWOVPe+Mg13jYTiv/RFr3PDvY4ZxkiATA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709319418; c=relaxed/simple; bh=C2x1ZFv37V+E2DKqeXmWKBtEiLApxmFaf2acyhRA6xw=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=Bzgh92T+1lqdUhUz/aaUO7v82ZzHBmKkrKECyLaiCmSCSS5ImPBM+0ufmnbEbXICm3mPa4NqHgUzFy7kqmsoOQCRhZRP9r2otOS3wvl6ciWSvWJ+XlXkZFsocGzbgQZJLwc9z383GirjR6VU5wM3zA50768NXiv/JuidlI/mxGs= 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=Cgsmqq4d; arc=none smtp.client-ip=209.85.128.202 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="Cgsmqq4d" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-5ee22efe5eeso42114927b3.3 for ; Fri, 01 Mar 2024 10:56:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709319416; x=1709924216; 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=qx4Ri3vgVtjrNh4FbnpR3dQWcRAmzh3jMNXhRug+BKo=; b=Cgsmqq4dknhkpZLdgRQQTr5xUXskaWHN18er35GBX7mHrGEoHPy8HOkN52uoWYVswi 9YgpFkapobdp5E4ysmyYniayKDaFBRrZD8B9SnZH0I8PmC60vNF7/GyOfdmptC6bo/2D 74kmnotMIxNiZh0J0wtoIjAvRE4ZMiRgc/fRYJlh2SHODalmN/XZ5enQSRQUJEgd79rR sIjo5dvX/q1y+rC2t7ohwot0Du5LTlFkrEB1uj4q7BxlTGR1Erh2u8qzbLAMZrlEdBtv 5kpEIc4jNI+OH7seHPbhmG4WCfZC4IqTXRMLswz/UGwsN5nvTRtwwSTBqjh4XO1WewJ8 Dr+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709319416; x=1709924216; 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=qx4Ri3vgVtjrNh4FbnpR3dQWcRAmzh3jMNXhRug+BKo=; b=Cer6lSNnp731sgOrdj6Hg2V0dpBGCNav8CFOxQqm6hWx5OTFdFmzcZxLuyxOJVPusr p3R0eDhKRJgftPuGB0dSwNZBengl50WW0PDL/fVl/Bhcqv8Xaixw1KpzEJht+4z+c5cS h1O+kN4QhUaQatjg8O6dY6CisiO5je+mAcmUs1HViszTO/ww5SnH6T2nClrdSu7Woxkj BUef8ACyVl2BLKZnZRVdjYGS8mWtW7P+3C/kE2kmInwnmI8Bx3RnZgiwyyEq4BQ9eb53 qFIeeiL4fdXxvM3pt4CVegkw+K8LR9vFRd4hPUOaoAd636Qm+vigDil3cQMFQsDw+oTy yqbw== X-Forwarded-Encrypted: i=1; AJvYcCXzPrZv5UUqCK0Kwj5uug7u95o3Jt0yLgfknM4vrXa8HJa5Lr9sFFfs/h0Avh2nag+o8uON7AuiUG/I0sB48vNRivZmHx6tVkSCBWLg X-Gm-Message-State: AOJu0Yyv8AwzG+wB/1MVmzjFoNH/QpEnb1zVwEae47cc6donaC2Jmprf E4GXEjP1b8H77VWTEdcKSYJWdLlOAzyJ1lBpQNN8aXdjyQALrmCygjG1XwjJIRAR4K0KPN8b1Tl 20EY1/A== X-Google-Smtp-Source: AGHT+IFuYYaNOfIUtqEh9c+trnUnE8Fk5bO2e8KimGgCTfh07FJ6EbMKq7PfHptG7wenEAj3+7NMAsv9sWMy X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:af4b:7fc1:b7be:fcb7]) (user=irogers job=sendgmr) by 2002:a05:690c:fc3:b0:608:ced0:eb2e with SMTP id dg3-20020a05690c0fc300b00608ced0eb2emr477450ywb.0.1709319415826; Fri, 01 Mar 2024 10:56:55 -0800 (PST) Date: Fri, 1 Mar 2024 10:55:56 -0800 In-Reply-To: <20240301185559.2661241-1-irogers@google.com> Message-Id: <20240301185559.2661241-18-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 17/20] perf jevents: Add dir breakdown metrics 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" Breakdown directory hit, misses and requests. The implementation uses the M2M and CHA PMUs present in server models broadwellde, broadwellx cascadelakex, emeraldrapids, icelakex, sapphirerapids and skylakex. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 76e71f11a579..8086aef3557a 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -784,6 +784,41 @@ def IntelLdSt() -> Optional[MetricGroup]: ], description =3D "Breakdown of load/store instructions") =20 =20 +def UncoreDir() -> Optional[MetricGroup]: + try: + m2m_upd =3D Event("UNC_M2M_DIRECTORY_UPDATE.ANY") + m2m_hits =3D Event("UNC_M2M_DIRECTORY_HIT.DIRTY_I") + # Turn the umask into a ANY rather than DIRTY_I filter. + m2m_hits.name +=3D "/umask=3D0xFF,name=3DUNC_M2M_DIRECTORY_HIT.ANY/" + m2m_miss =3D Event("UNC_M2M_DIRECTORY_MISS.DIRTY_I") + # Turn the umask into a ANY rather than DIRTY_I filter. + m2m_miss.name +=3D "/umask=3D0xFF,name=3DUNC_M2M_DIRECTORY_MISS.ANY/" + cha_upd =3D Event("UNC_CHA_DIR_UPDATE.HA") + # Turn the umask into a ANY rather than HA filter. + cha_upd.name +=3D "/umask=3D3,name=3DUNC_CHA_DIR_UPDATE.ANY/" + except: + return None + + m2m_total =3D m2m_hits + m2m_miss + upd =3D m2m_upd + cha_upd # in cache lines + upd_r =3D upd / interval_sec + look_r =3D m2m_total / interval_sec + + scale =3D 64 / 1_000_000 # Cache lines to MB + return MetricGroup("dir", [ + Metric("dir_lookup_rate", "", + d_ratio(m2m_total, interval_sec), "requests/s"), + Metric("dir_lookup_hits", "", + d_ratio(m2m_hits, m2m_total), "100%"), + Metric("dir_lookup_misses", "", + d_ratio(m2m_miss, m2m_total), "100%"), + Metric("dir_update_requests", "", + d_ratio(m2m_upd + cha_upd, interval_sec), "requests/s"), + Metric("dir_update_bw", "", + d_ratio(m2m_upd + cha_upd, interval_sec), f"{scale}MB/s"), + ]) + + def UncoreMem() -> Optional[MetricGroup]: try: loc_rds =3D Event("UNC_CHA_REQUESTS.READS_LOCAL", "UNC_H_REQUESTS.READ= S_LOCAL") @@ -885,6 +920,7 @@ all_metrics =3D MetricGroup("", [ IntelMlp(), IntelPorts(), IntelSwpf(), + UncoreDir(), UncoreMem(), UncoreMemBw(), ]) --=20 2.44.0.278.ge034bb2e1d-goog