From nobody Thu Sep 18 03:44:42 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 91F0025D546 for ; Fri, 29 Aug 2025 04:12:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756440725; cv=none; b=NFQR/uJ5dEESkYJvaeXQjCeg4qkGGS2t5hjRFJ9tUnNyQNv/B2bjB7kE1s8jgHku9CLkXEmLCpHeKq+rHmWXnzgucePddghMC6xd+M1XngwwZBXRfqjDZuKFW7Xc7SmcciCfMAyhuejUFUM/FhZaWmBc0Y+Zo9dLRZ/MLIr/nvw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756440725; c=relaxed/simple; bh=vf9NxO2PinCQQsEd0DvFHj+1PNzNsbqkEiru0ThpODE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=Q6FmBgPZUnCNtTnTht9/oz1Fk7gJhfNETOombEOtk8dOR2J8RnJkZrvUfYVELlQ4qaKAa+v5TqlSqTQo13zua6X1tsRxrtKZ8FMCXvX1MGlAVz/beFJ/EWo07DomufEAkL0/f5Jt9wCxWiKpIA38kwZEQNla0YTNM/Z3HfMzJdU= 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=gaMHmoaw; arc=none smtp.client-ip=209.85.214.202 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="gaMHmoaw" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-244570600a1so19540545ad.1 for ; Thu, 28 Aug 2025 21:12:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756440723; x=1757045523; 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=+0Vli+NKdcmDTDJurkTANCCd4S+V5izlUAV4FqwwqbY=; b=gaMHmoawO3bUmbcLMxWJ2nPJQhVn2mYDChy81wU/iMUTduIwCopmz7LOH0Vp2eQrYT RDoUsA+89LwP2nkSE4ohkeNzL1M32U68M666GR0ypBMENK9S1GXZloqwsTT0ZRuqOUzk k6Mdk64F6i3OmjzGnQjcgsP+OlMMTHaO9ooHl3bUu7qmwytN/aSYC54rzADXI+D7liyt xtzUIQ/PQvjNF3d0sIrTX3TpjNORFL4Wrr0Xy/XyODYQeOM+t4QvQK5OPNlDe3QEsJMx NS02aMC5wDoZMZPNrU2P7zjqX2Rv1/Zfjn58FAFzIGzdouWT1u3e8QXRTtO2dQUCpf74 VCQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756440723; x=1757045523; 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=+0Vli+NKdcmDTDJurkTANCCd4S+V5izlUAV4FqwwqbY=; b=PLbzan9JUmsNgdMCckp95bPLITy4EysEKoRJ1GvpxrNgbqWBHnjMU4G+R+QTD14D18 7wDfR3uE+CvCy6pkyW4FU9+0bDV/hLO+FFvhqbq+u74gjahQQaaogqnCYCFE1QNG13XW nG9u3JS2bg5teSICz14lshkM+W7W8Z8sH1aX3OO+RgFuUjkdTkNwcLOGyBjpspSqSUjC jQB/KyXnIMQL0GGANaytu7/si1ViOr6AwLl9Mao8g8nxztLUrQn/AgHBx+KYVtW5RHXd +mRIGM279pyEJjfhzcSzfhMsuUJB8d4ozLI3TrO0olwROx2uqXXY0k6JMcXvtQ0QmnMu oIOw== X-Forwarded-Encrypted: i=1; AJvYcCWU6HGT+DpOjy5WJc7HmttOVqypD0uH+emTIk6m/WIn4clK7Y+NLieBeaqpgj78odvnXr/6oQYnAUigMOY=@vger.kernel.org X-Gm-Message-State: AOJu0YyG2W3GdHzU5l+tAqYVe0gzwZxCeEMqKntx+fl2zHUHEsrbOXeb kc/v5631cB0A8/X/O3HRsX9iPIHO4CxahYXn/9ZOk5hO9MEq+kdwqwlarbFXCbRCNAe9QnPumPI wIi9MoFjxNQ== X-Google-Smtp-Source: AGHT+IFQnygiIn/u5drWuyF3c1r5WwGV2aObUmoqamTVxlg1PZliHyd7vXIq2fN1QjU+TK4SnglJL2B5AGcX X-Received: from pjcc15.prod.google.com ([2002:a17:90b:574f:b0:325:8e70:8d5e]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:e5cc:b0:246:d5b3:6310 with SMTP id d9443c01a7336-2487539f6b8mr132335905ad.23.1756440722758; Thu, 28 Aug 2025 21:12:02 -0700 (PDT) Date: Thu, 28 Aug 2025 21:10:59 -0700 In-Reply-To: <20250829041104.4186320-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250829041104.4186320-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.318.gd7df087d1a-goog Message-ID: <20250829041104.4186320-19-irogers@google.com> Subject: [PATCH v5 18/22] perf jevents: Add dir breakdown metrics for Intel From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Xu Yang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, John Garry , Jing Zhang , Sandipan Das , Benjamin Gray , Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Thomas Falcon 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 782bc7f8926b..808e006addda 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -800,6 +800,41 @@ 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("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", "UNC_H_REQUESTS.READ= S_LOCAL") @@ -923,6 +958,7 @@ def main() -> None: IntelMlp(), IntelPorts(), IntelSwpf(), + UncoreDir(), UncoreMem(), UncoreMemBw(), ]) --=20 2.51.0.318.gd7df087d1a-goog