From nobody Fri Oct 3 15:32:46 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 2D2E4247280 for ; Fri, 29 Aug 2025 03:32:07 +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=1756438329; cv=none; b=s28ZwrS9/eOQms8th2WWankcWM88q3UQax3L04KOAgUocz3K0CGZZ4hapSLHAnr+h60X+9RNLSwCj8fWpFvgDLQnVawU8E7xq9DFwzaj3503cQaTJUdmwcyr59GMsXdNQNv37g2Rw4ktzLcRsUMIcFxyJKoQOJO3FCNUWpMdNg0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756438329; c=relaxed/simple; bh=epB32bgqoBg+Y9IczPEeSot7J5GpkAAMYtGdLSFAUEg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=GLI1OhOa9iqExOSAHxml2dfKq8Qmbn2VniMJKlN8PTsQom6K09VJzNeScxwxNCnnMMzM9oe3utIsXkHknMsgyehkE71Pjziw5VaLerW+zBhwg9c32yko8SlKrhq+yVGXb3vOvCrKeppWhhOa+3Josz1JczNYGl2WUIzRa38Wxd4= 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=01EkYCyN; 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="01EkYCyN" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-244570600a1so19145895ad.1 for ; Thu, 28 Aug 2025 20:32:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1756438327; x=1757043127; 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=6o45Rbe1ZhPS/kWrkC4UpT//UnRPcEEIFEGMxNVhUzE=; b=01EkYCyN9+LBjLGkw3/aFDe1JoYX5Em1aOjdUqQQWN1Tt26R/H+uBVS5baalOgCMqk Pg17hJdOrnmgxTNVihfvS15WEWwqtOdtv3VnS7GNUjxUYwBK62sNf6Vn3vfyyIbytrMU hFaXk0MjO2MlS9G7Hiq89qUyCW9nwAQZRyXVOgnY1TZZqW9BzAZpXsGlgRxbTdA+Ucm1 pV5wdZg9SFE0s5X/pCYaYBmEfUSxf2T4M3zjUi+PImhLrfNRHXahoxYf/tYLCuc/+hNt +QIkXD9jCoOceEiZCdbSqLMvNKH3PY7+sQSP3lE9mrKFZQh8g3IFXWh76oOLFraTLCMo +Y3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756438327; x=1757043127; 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=6o45Rbe1ZhPS/kWrkC4UpT//UnRPcEEIFEGMxNVhUzE=; b=LETQyq7u6bsCigFBBbC/Qg7GNiprL+jaMOpaoMSL82S8Dup+Y6GQmHKp8L9tRqHcyy qRUHa+DLxxN06CgqIa7HIJUB9CHPBSQePenrk3xqBdkkEV9RhPd8Aocm5f8gg/Wm0d7H oiTeOwYImCEHx/Pivphlv4DyJ0gc8CuLeeP/0Dwa1dA1LctJktUW9kVat8v7POPWAhxd /ehgwFKzqQR2mg+jwU9C9nO4UfKxEM/aBAmIxS2qix4PhvNjeYDIKr9uis8Jj6Hl4zwU hzeE44hZj5buJPmBAtmIMaxIZo4kgRCrPdy4DX8OcH1uXDWMhXOHF+oqeDHOpnh8AaU5 U8BQ== X-Forwarded-Encrypted: i=1; AJvYcCVyB0dTgYfiO3GepnwhWrT5GxugjaBApb73FcvoJI9BsGC1k54Et0hnuFSqxbA622rzzq1uCx9jLjmQR9E=@vger.kernel.org X-Gm-Message-State: AOJu0YzqVpaakLAeDitoO58dU5nf6LxPtYQI5xqEm0xvcPKyEYNVDSxp CKp8hmKjFpleDuSqipoXFOW+hsUU4AX9UfhEFcUPE9jV/3kJckHo1+HMKEa8VuKTubPaQyRVKm9 rVSTm06Ezow== X-Google-Smtp-Source: AGHT+IGWFJKyKtY4P8UpIxPqLRFXmtn3fkygNqVRq1CXNPMFQs466KbnXI/f1SsdBuMKTvK8/3nFXr3dKqwg X-Received: from plbmg11.prod.google.com ([2002:a17:903:348b:b0:240:2ea7:26fe]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:d2cf:b0:248:dfaf:2aee with SMTP id d9443c01a7336-248dfaf3002mr61506385ad.28.1756438327192; Thu, 28 Aug 2025 20:32:07 -0700 (PDT) Date: Thu, 28 Aug 2025 20:31:36 -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: <20250829033138.4166591-12-irogers@google.com> Subject: [PATCH v5 11/13] perf jevents: Add ILP metrics 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" Use the counter mask (cmask) to see how many cycles an instruction takes to retire. Present as a set of ILP metrics. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/amd_metrics.py | 36 ++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 13bf3eaf498f..2101598e8b04 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -120,6 +120,41 @@ def AmdBr(): description=3D"breakdown of retired branch instructio= ns") =20 =20 +def AmdIlp() -> MetricGroup: + tsc =3D Event("msr/tsc/") + c0 =3D Event("msr/mperf/") + low =3D tsc - c0 + inst_ret =3D Event("ex_ret_instr") + inst_ret_c =3D [Event(f"{inst_ret.name}/cmask=3D{x}/") for x in range(= 1, 6)] + ilp =3D [d_ratio(max(inst_ret_c[x] - inst_ret_c[x + 1], 0), cycles) fo= r x in range(0, 4)] + ilp.append(d_ratio(inst_ret_c[4], cycles)) + ilp0 =3D 1 + for x in ilp: + ilp0 -=3D x + return MetricGroup("lpm_ilp", [ + Metric("lpm_ilp_idle", "Lower power cycles as a percentage of all = cycles", + d_ratio(low, tsc), "100%"), + Metric("lpm_ilp_inst_ret_0", + "Instructions retired in 0 cycles as a percentage of all cy= cles", + ilp0, "100%"), + Metric("lpm_ilp_inst_ret_1", + "Instructions retired in 1 cycles as a percentage of all cy= cles", + ilp[0], "100%"), + Metric("lpm_ilp_inst_ret_2", + "Instructions retired in 2 cycles as a percentage of all cy= cles", + ilp[1], "100%"), + Metric("lpm_ilp_inst_ret_3", + "Instructions retired in 3 cycles as a percentage of all cy= cles", + ilp[2], "100%"), + Metric("lpm_ilp_inst_ret_4", + "Instructions retired in 4 cycles as a percentage of all cy= cles", + ilp[3], "100%"), + Metric("lpm_ilp_inst_ret_5", + "Instructions retired in 5 or more cycles as a percentage o= f all cycles", + ilp[4], "100%"), + ]) + + def AmdDtlb() -> Optional[MetricGroup]: global _zen_model if _zen_model >=3D 4: @@ -584,6 +619,7 @@ def main() -> None: =20 all_metrics =3D MetricGroup("", [ AmdBr(), + AmdIlp(), AmdDtlb(), AmdItlb(), AmdLdSt(), --=20 2.51.0.318.gd7df087d1a-goog