From nobody Mon Feb 9 17:35:54 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 809411863E for ; Thu, 14 Mar 2024 05:59:05 +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=1710395947; cv=none; b=PlZcQBL+igCrkXQuETlIZZOe3NdF6VCv/IA82Ccbu07D8ECz0G9l8uxOlpflgkvUs9rDu2pFtd/XrwZDCYX1DEbYFOO6f8ltJpQSDSf+tlpRqbKfhmQPRzf0aaDY+A4YbAWdtEb+25oiwpOwtoq9gKLE4INF+aM/RrdGqI5KJwU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710395947; c=relaxed/simple; bh=A3qe7dMEX2lXbNeL+sr2/wlfhIFe+L9DGvZJP6pwk94=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=H3k8d2C2bw+ZGuoPROj6hUZMWDhIp+tVCn3PPGKURmvttziWjWvRIeAUsPsHuREgS+xDHSuxXwB//HJku7YWP0tfCkHUPXRvk6rlWmnVGtnhFSWRGqkq3Jjryf6jIfgr2QNd72VpEda9CEPwJmyORDQcWxFKJ6bl1HnrefHMmCA= 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=Si15N7Sq; 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="Si15N7Sq" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dcbee93a3e1so913398276.3 for ; Wed, 13 Mar 2024 22:59:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1710395944; x=1711000744; 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=NROLFT4HVfPyZQ7YdAuPbGl5r8e13yqyBFaFho3+nMQ=; b=Si15N7SqefEE20XoTlFaR+2ST7S2GuTXRS697CZw3NBndnHgZdUWYzTh6V5H6TDr4m YnmRJmf0eqK3hFrzhUoE6sqe1Z757jRa0kE78o+Ea3At+EqeFyayi6yFRRRPtoig/Miu 3ZepVv4Zr30tG/DPGk1WX8xm1Zax32msi7dkoAz7W2tz1LeImnn5I5x0wIzFc0idkOxV fTMoljj4vPpct677E3M8xKzbi39MpOjwJfFVbl9vlnnnOsyCMbABMG2Xx7liwVJzLQkh IpChl4SbtNub26spUzKQR0xcsQOylJ1C5UGEY3v+aQB5+OBmntkXZnVBj3iJiStgk5mS u/ug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710395944; x=1711000744; 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=NROLFT4HVfPyZQ7YdAuPbGl5r8e13yqyBFaFho3+nMQ=; b=Sin8J722NxGUXJMnUp0hvjCT3znRTRud8gWVlqDPTqeZvUe3udK1ffDTptYHiVweW4 IDn0wyeImX472VfK+HFWFeNYK0NDf8mES1uPaofGURvtH3BIdwqcSTzmi5d3D4AZcK/s ucw4lwDJQtKNwqCQJa2EncEVGj846xOhUV3mXn8K4WDBwqAnISuyaiDfcrFJ1NrJoRAz drjTB10jHIiABzj1J0N2JsP407maSeJBy/33ntpsBieTEevhTxzUlC8A/tYtlhqBLRzX kQ7QB7u+zuuEQsnhDGJ0nnbTobarUQiqODjbkshauvyUfDZAuOtEsDTssqt/CzP0O+XQ 4Shw== X-Forwarded-Encrypted: i=1; AJvYcCUeWo3hrY4LHR+jGzdUOYYefatzabIfgDilGq42MebiYlYqjTgn85UJ6OMVMPpdLMF/tAIJOSf6m28dC820c/Ev+YLkOfcO+nm0XvRV X-Gm-Message-State: AOJu0Yxia/63GFOi1gBOboz934rGLeIeS4wx8OyF/1NZPriJj4tUZgPi 4fPCCyDra5e75gXkJSycCkvMpVZwKavXTBn4AmgVVIatxFbVsYKuAzLer9++qI4AXkI84JBv+Gm svwuxfg== X-Google-Smtp-Source: AGHT+IEkB6E/HmiiV6NChvaNoFf1Ne5N34wILtWGVdfafUgNW4vqbhRifL/71foolCMM/EeILiEhRu1XtVrP X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:449f:3bde:a4cd:806a]) (user=irogers job=sendgmr) by 2002:a05:6902:1004:b0:dc6:44d4:bee0 with SMTP id w4-20020a056902100400b00dc644d4bee0mr27734ybt.7.1710395944447; Wed, 13 Mar 2024 22:59:04 -0700 (PDT) Date: Wed, 13 Mar 2024 22:58:36 -0700 In-Reply-To: <20240314055839.1975063-1-irogers@google.com> Message-Id: <20240314055839.1975063-10-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240314055839.1975063-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v3 09/12] perf jevents: Add uncore l3 metric group for AMD From: Ian Rogers To: Sandipan Das , Ravi Bangoria , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , John Garry , Kan Liang , Jing Zhang , Thomas Richter , James Clark , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Stephane Eranian Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Metrics use the amd_l3 PMU for access/miss/hit information. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/amd_metrics.py | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 1bddfb939597..79312e33c2d0 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -466,6 +466,22 @@ def Rapl() -> MetricGroup: return MetricGroup("cpu_power", metrics, description=3D"Processor socket power consumption est= imates") =20 +def UncoreL3(): + acc =3D Event("l3_lookup_state.all_coherent_accesses_to_l3", + "l3_lookup_state.all_l3_req_typs") + miss =3D Event("l3_lookup_state.l3_miss", + "l3_comb_clstr_state.request_miss") + acc =3D max(acc, miss) + hits =3D acc - miss + + return MetricGroup("l3", [ + Metric("l3_accesses", "L3 victim cache accesses", + d_ratio(acc, interval_sec), "accesses/sec"), + Metric("l3_hits", "L3 victim cache hit rate", d_ratio(hits, acc), "1= 00%"), + Metric("l3_miss", "L3 victim cache miss rate", d_ratio(miss, acc), + "100%"), + ], description=3D"L3 cache breakdown per CCX") + =20 def main() -> None: global _args @@ -501,6 +517,7 @@ def main() -> None: AmdUpc(), Idle(), Rapl(), + UncoreL3(), ]) =20 if _args.metricgroups: --=20 2.44.0.278.ge034bb2e1d-goog