From nobody Fri Oct 3 15:34:20 2025 Received: from mail-qk1-f202.google.com (mail-qk1-f202.google.com [209.85.222.202]) (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 A7E7A242D84 for ; Fri, 29 Aug 2025 03:32:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756438326; cv=none; b=F8Z2tMq81FWxHjpccml07E2nls7XEhUY5wd7ju3pCEJYEkwlfZ67zZCYjOWeM3bW/g+yxMlgtAaPXWJG9L7wgOghXCeT52GPwnKp3wBFOG76PpQI6ze/ktIdyNcEaQPd5a6mC4AhqrdpIvo091dfceFzS9oyKJwFeJyIuqrYFaE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756438326; c=relaxed/simple; bh=mnGCQoVCpWKnS1efSKzWUWHETYIVpoK2sS6bGiha554=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=lmJKu7YGr6QGSxuy6r6ovpi3bucwFUGji0vFi3IpzdPTIFmWmTyBxrzQrht4SZH8speZEqNsSH1jhDq55JoyHfKE0Jd1MEfCNvGI6Ch3uHyGGFs6TNxgQ/+DLFwKkCIbmNWU10TqXsRoYppxLuGHRYKZpwR1tURhmNQmFK+BPNE= 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=d1RhhSsb; arc=none smtp.client-ip=209.85.222.202 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="d1RhhSsb" Received: by mail-qk1-f202.google.com with SMTP id af79cd13be357-7fc5584a2e5so124943385a.2 for ; Thu, 28 Aug 2025 20:32:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756438324; x=1757043124; 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=5R53CM2TPsjTVnqMuru1HC/vS2z5OSjStJIxd3R0X+w=; b=d1RhhSsbT1HeejibdehA6zJzSGFoTQ7yB1Cpr3zeXVCqbDv0yFntab+wud7SdBjv5J 7cUUaVLACoXNswKhi2wlD4CUCo/69nouBz3Qmj2x43IGDUmL+ZmDiDCPwN8PEZUNZAVE kjZA0f4UizEw5bzoC++EaewOBM580j0Fb2cieF+Z8/uo1sfaLSXSR/Kf1Y1KpUF/8ZiG xNYcCyB2A/VG4XoQckbOIRbII+EHy6SBVAb9u7+mPrmGu45/hkeMWMThoefuzGb16EO8 T5+atoWycESd0FMJGtH8XjmIk0jd8v07skhPt6B8bkFF3pxABL5InS34HTFAnTKq1Kc3 bV1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756438324; x=1757043124; 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=5R53CM2TPsjTVnqMuru1HC/vS2z5OSjStJIxd3R0X+w=; b=Fjspv3+xQd9WcPNg7tB+g0W6Bd6YTc1opVrm0gDN/SStBT/e3XZ601U9Ud75GDrMs8 o/PMahYHUzkZHeNKw54CnvFJDZXBlBsO9aSgDZzb/yyNxHNjASxKHbQDMiF4Pap89O8u B7gTWZuy5WXUm+J37hYaoLZc4n++IhWneSHn+vJceE7P9QZ1Ypo0HPyxTzdRBWvC08te Qw893h3G8Uymzj8bmvSWdvRCEIk/Dl0ikGHb4U/DS2wV/brzTripBxLrYS9rC2EeP42H dYoThqIBqZrpHOwNsi+jpjibDZ/RPkIpUyDPnY3V+mC6IA0SbFpJHZemxiM0FLsi5Vga srbA== X-Forwarded-Encrypted: i=1; AJvYcCVB2lg/UVJ58U31K6RMpn6hRsVx6y8FoAM51LfG0JTcyVGWVxCM1p3XfKScBnyZqfaVfL1ioY+EJyz/Tb0=@vger.kernel.org X-Gm-Message-State: AOJu0YwTVCz3zrqh2Q3WeP8BEbrzwbJkzI0qjex3B4S/eEvvpTn1wKL6 23zC7w9d9bod9HPAidAnH5ncMbqq41HHcC/Y5y4FmUtes/AX9TMJcxI592VT1S1Z1SQWKZyevHi wJ1yW5FsHcg== X-Google-Smtp-Source: AGHT+IE5KwZNXbrjkrGlNCyrW1riQSZJaDMhR8fcmb36i7fQTK2aprs5AGLAz7G1Hsr/ljtWTDIKNCwWp6Y3 X-Received: from qknov6.prod.google.com ([2002:a05:620a:6286:b0:7e6:9480:7485]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:620a:4409:b0:7ea:1060:ccc0 with SMTP id af79cd13be357-7ea10f53884mr2440632985a.8.1756438323478; Thu, 28 Aug 2025 20:32:03 -0700 (PDT) Date: Thu, 28 Aug 2025 20:31:34 -0700 In-Reply-To: <20250829033138.4166591-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250829033138.4166591-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.318.gd7df087d1a-goog Message-ID: <20250829033138.4166591-10-irogers@google.com> Subject: [PATCH v5 09/13] perf jevents: Add uncore l3 metric group for AMD 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 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 38ff7d1caafe..71500ea2204f 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("lpm_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("lpm_l3", [ + Metric("lpm_l3_accesses", "L3 victim cache accesses", + d_ratio(acc, interval_sec), "accesses/sec"), + Metric("lpm_l3_hits", "L3 victim cache hit rate", d_ratio(hits, acc)= , "100%"), + Metric("lpm_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 2.51.0.318.gd7df087d1a-goog