From nobody Thu Sep 18 05:42:51 2025 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 09DFB277C8C for ; Thu, 4 Sep 2025 04:47:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756961254; cv=none; b=Nqf0xN9YDZHAwk6dC/+LM00DBBA7rWJVvHEPNHMGAICRnOZrJJPXVgSgrf4uzStc3cEOspG1Ia1A4vlF62lOBqCv9PfcYv2Pl89FynXYogmEd6CP8zMON2trOq1vvreAxTNby5G5Hi1FdZm714IGiOdhvMyToJbCMZs5GDbk2sg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756961254; c=relaxed/simple; bh=eCeE/2YA1gW3yikph8tyIv9Qo87llAzuCgL/jet0ORQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=fEvNi2i+jzt16J0g7Bn1Trfa6FGecpVr67wen/Ra0S6wxWBGfd3DqMhXO7lWAF+5KzPP0LVbIXPmCxOFGre8FjeanwAjmmnjKHyXsELit7yRrWsRFaERbUWirYMquaxCO0hD16bP6OgRfjZg4S5KbiUPF+q0jpHd7cNzgq5CPc4= 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=g/RSaRXT; arc=none smtp.client-ip=209.85.216.74 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="g/RSaRXT" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-329e3db861eso549937a91.0 for ; Wed, 03 Sep 2025 21:47:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756961252; x=1757566052; 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=41eHmEOBCKxz0FQX8SK2j27zDRY5OHr/EQpAd6DfRhw=; b=g/RSaRXTs7UZ23v/atNMPUhIFiVHNPRDjhkcjQiokjzOlb5CTO3TtakqiiMmwXQ1ZU NJQohxytIzPtIZVsiqIDe422iCcZLGYYp+DBH0NGlmYmxCeUjQiLqaYvFEwy7wNHhRqu JPW7VtCL+0tdRMFeuTexIM5pt9vGI9xhenhWTtRv3XuZ2qTzcE6NW23KVhFpxMwg179S diPUVCgo3Kse2dLozfeRIRF8jSBI7SZk++3ARmFIbiJQX/x0yVExEjUeEEn8zPC94+Cm jHx+H0Rfc2JFqlXeTFKYtzPetNHM8jfcu67OUhOtFm1Uc84ObVkp47zs+fRVtCEexEB8 mIEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756961252; x=1757566052; 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=41eHmEOBCKxz0FQX8SK2j27zDRY5OHr/EQpAd6DfRhw=; b=ZP1TkUdSH8dHy2cK3VAmRwu5eYQ6MP/M5We07Ztk4R1l0rqDokxA9TLQq1MbnuV9+J 24FFEBRtUNDOy/wINpSmp2jpgGLtwg+IAHPHS8g5spebfuog1IkJtcM2prJku1qp3GNY J4HCTje5Y4fo5u7lYf3C3C9FP6uzfnPRCaa9GtweZkXJfW9AP0st0Mfq9YVK5xJ+vh5I hh4sct+AFADVC/SV/64ObHUdMSZ0sCB1pQZ4Ukr+UmXij3fLI9hvZafFG7HTej2FF68I xvXYIwJLJ61a5/50IcmO2xkdW4TIYFSDWCU7HHGK6VV4P07mKjYgDHDNh6TuFuWoIQpR /piQ== X-Forwarded-Encrypted: i=1; AJvYcCXEi4R6/zyDmKYWYpAIfVBb6rxX7NMeJXyyWca55ayTc952cu6tAobJgJIX1pdeOL2310GBGnE4m6oxGKk=@vger.kernel.org X-Gm-Message-State: AOJu0YwfSBxWTMfRZNXh6Vw1d7q6Otl3ZDLHNqE8pKYiMiWnHVZmXRUB jh/ZQjmExDT3dKyF18Q8ZfoRkZZ1HCmXSDCy4nuVq6jCjtOZoOj/t5FnosAy15xIAs3Mr17lYAP gIjpREimV9A== X-Google-Smtp-Source: AGHT+IFMGvdDOM894XFlRC4C8ABn2l/2js1gvMdb3naZGms4QkhWcuW7svL1yywkey+lraXUjRQta+HUkNvQ X-Received: from pjhu32.prod.google.com ([2002:a17:90a:51a3:b0:329:7dfc:f4e1]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:1b4b:b0:32b:656f:5a5d with SMTP id 98e67ed59e1d1-32b656f5b5fmr5026346a91.29.1756961252229; Wed, 03 Sep 2025 21:47:32 -0700 (PDT) Date: Wed, 3 Sep 2025 21:46:49 -0700 In-Reply-To: <20250904044653.1002362-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250904044653.1002362-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.338.gd7d06c2dae-goog Message-ID: <20250904044653.1002362-19-irogers@google.com> Subject: [PATCH v6 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 30cf668c7769..669b5668a753 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 2.51.0.338.gd7d06c2dae-goog