From nobody Wed Dec 10 20:09:58 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 A8C8131B825 for ; Thu, 13 Nov 2025 03:22:20 +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=1763004142; cv=none; b=GC3D7GdL0DnSNfECNaA2cOzPvltJ/5l+iQO5rrnDVhMkWAH+m+lPy65I4h+WEYEsXcUAM+xuNVPJwA4Jtbk33mgiCT/EepugnexVTx1EZBOea92Ui6G7xejWqpoliU1bxGuNHpH3C9V2mkus0yvONh9Yy6YCWhUalNA73h9LsK8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763004142; c=relaxed/simple; bh=cJ+BPl3FaDItsU7YGTrU6qOMUqTf6c8cSliMMmt1mbI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=pHDnxOWsl4LNJ5PeZKT+1QmO3/n+hzWF8ufogJaNFNkHcm2VcDPPfeQKMsDxB41TGPKraD4MYnh5HNnabi6Nwt5+nq318dBbLtVglMb6Y49amFnamYP6N+ayKfXzBSFB+duOaX+RiHtevEgYtCqydlE+LurABKpKws6Q5CBA04w= 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=EShfdruy; 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="EShfdruy" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-295952a4dd6so19094045ad.1 for ; Wed, 12 Nov 2025 19:22:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1763004140; x=1763608940; 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=ypdzgSTwEWd6G+LcFtKTyJXYeIL/SBVyTJRI0e2/Re4=; b=EShfdruyF8SfhjxgMIORirkjBxNY9BibTfXJKTLiU2WHMRd4IFRTibvWHhJRzURruJ blMIDfxO5kWCg+ZVH7mm97EPJuKsa+YMRoFKgNkaz7CVht0nJQv0FIJCyJPvNYRT918/ KjovjVqX6+t0zGKp29w2vehE3I3Y5qUSmtUKZwrFUmbxChb5/u9SfT/SCd00DJ42dOl8 689NDO3R0FonolaUJHioqx146AYhuWjLf2K2gshAzAYJRoU2rmcON1fGng2Xxe/KwjoY XaQZVsBgUCDl7MsfWybo5cnkwU0qBC3JZDDc0Ggj8pHibpUZ+xp4XwUPJ/OMA0J9Opjw CGDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763004140; x=1763608940; 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=ypdzgSTwEWd6G+LcFtKTyJXYeIL/SBVyTJRI0e2/Re4=; b=dXmHkTYvIQ3aN5e2gUteNAB2+LjDHNjjmw+ATlJqoeZjTZwFS+ven+Nnjqqs7VzwI1 fjkiUfcZ6bPuVZ1UliRHmhVpeYYsVkNAKQUEivOcQIQ2OPkjdt0C4EO0b++K6mPENP3E 93qk8skztTriRVP2ETgTo3q1J2nIUiSusBLkY7XiLOJt+JKkBfsSE+vqveUUeHz5vxTK 0gkkcewBPA5rw+WcR3tuoShw2lLWEkUKdNUrvvIwiaR/5OcA3qdgHUkKr8rUzlq/AKWb D0/hOXIRv1Qt3kkmA3LjUL1FN3beuyv27Zg8vOvwLXLfm85hCUSIh4QX/ArrjbnA6Vda hAaA== X-Forwarded-Encrypted: i=1; AJvYcCUN2FosldW6iqiwroISRPCQnE+jYsWrg5H36vqtz+uMoYLDp9lg2d+dhvefezDD+980z96b27NW6DdfT4U=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1uQoG3XlWoiGEB1L8NhCUS6TgHIZHkqq5EwK/NIP6BMtViL+s Diy7IjV5rEXvm4Su7DD9GXoFycFy1QgTE7EXI5YVzl3tWX4dMGWuy3SfZMIjFk2H84lFJCEVwOF 6++ClKUEHTw== X-Google-Smtp-Source: AGHT+IEz64sDja4OyVOtnjAlvWZmvSmjq/FZJVcysiZTqacQ6mURxQa9cpHygE/XMAsY93LQ8KkShfUWqh45 X-Received: from dlbay38.prod.google.com ([2002:a05:7022:6626:b0:119:49ca:6ba6]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:f60c:b0:297:ec44:56f with SMTP id d9443c01a7336-2985a52b15amr20520485ad.14.1763004139855; Wed, 12 Nov 2025 19:22:19 -0800 (PST) Date: Wed, 12 Nov 2025 19:20:33 -0800 In-Reply-To: <20251113032040.1994090-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251113032040.1994090-1-irogers@google.com> X-Mailer: git-send-email 2.51.2.1041.gc1ab5b90ca-goog Message-ID: <20251113032040.1994090-46-irogers@google.com> Subject: [PATCH v8 45/52] perf jevents: Add dir breakdown metrics 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" 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 983e5021f3d3..24ceb7f8719b 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -815,6 +815,41 @@ 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.AN= Y/" + 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("lpm_dir", [ + Metric("lpm_dir_lookup_rate", "", + d_ratio(m2m_total, interval_sec), "requests/s"), + Metric("lpm_dir_lookup_hits", "", + d_ratio(m2m_hits, m2m_total), "100%"), + Metric("lpm_dir_lookup_misses", "", + d_ratio(m2m_miss, m2m_total), "100%"), + Metric("lpm_dir_update_requests", "", + d_ratio(m2m_upd + cha_upd, interval_sec), "requests/s"), + Metric("lpm_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", @@ -944,6 +979,7 @@ def main() -> None: IntelMlp(), IntelPorts(), IntelSwpf(), + UncoreDir(), UncoreMem(), UncoreMemBw(), ]) --=20 2.51.2.1041.gc1ab5b90ca-goog