From nobody Mon Feb 9 19:30:55 2026 Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (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 E190469E09 for ; Fri, 1 Mar 2024 18:56:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709319420; cv=none; b=Je+7opidnwTcBLMRBcoDPAFP9wVzo9nyfVllJg5cAZ7CE14MRXXRrYnAHVdxyAE87lpweeEDSyb9uJhB1e8+kLS3wlvDd5lOlA+jNIACCN2l8+BV8iZucjMGebJNeuN3T1HVqkiBIItI5c4RG40L3BGWPKeOQYQ2350+U3HmLcQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709319420; c=relaxed/simple; bh=smAVN/GCgA5/MmqiHaxq1BP/CFOoXWsEkiW9uPTpG1E=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=pyOnxjy1tpNJXNxLyqQuRV+o4J1mMPLWoceMbU697pKUu45/OHfWrba4PMTJnb4RZorgI/L/TQtyoX9Rru3bhg3Gao0eUrVoStLmKABEWhg9VWmAHuadYqBWO+jaW6IuKnB7iTpajfKasMSPgjMDuAoR96F9Gb4DR0n+zUyzgWc= 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=t6G6qI99; arc=none smtp.client-ip=209.85.128.202 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="t6G6qI99" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-6093f75fc81so43608237b3.1 for ; Fri, 01 Mar 2024 10:56:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709319418; x=1709924218; 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=zbLHB0Wrr0NrYcqmEePKnNB9gjFn+6QmEJrv+HDup90=; b=t6G6qI99RwYDk8lLd8c+8YQSOw4EvEtnlkSUvumWBJf6eWsWySUW7gl2IylYg5P625 UfxOxxIPjYv3ViXMhVv5xaw/q9DQ1QNyKz1s9xpGj6lHCATlIJjdd75Cr6d1rxTWaGs1 r6Xaq9T2JIz3OOit3nDL8KI9z0Q2vPo3XlFRzZ3ilvFW9IxSwrICBFOBjKf3xMhbjx9w Fp8k9ARuT+IZi5qENBMRNSKtWNIyRxEdxqCGZvyKUXl99hn0dqmZXDyIFhfAgKZ/SG/b 0wieEVfPAJ+/R6iRuqgVQEqOdtzuo5T5VfIKkAsnvTOF2y7Ozm/NGPHpNlR3ma6qFxZx ZzrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709319418; x=1709924218; 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=zbLHB0Wrr0NrYcqmEePKnNB9gjFn+6QmEJrv+HDup90=; b=xU4fEaWBc4ipQ0cFYOYeaNMRb+zdBt2cnfinxNnIlM7vnh09HJIlY0162I+HMP9Gtu eC6bTKluJCDGX+MtKnqSRlvqXCImge1RNEBlijR9bjznmL0NL/LFPXAz5ukkf8Z+Opw5 lDoDkMFP4zIsERltI1C5LssPmDvJSvm2+2iKgq2pKpq0q+W3cdwr3IQgsnhIXt7NG8qr qIet1qTpTz15pnupNetp142Hy08mQ/nMGFCihiaoFWfpZ8u16bOmD3CEgL9brnGLjQe/ 2RHLHNUg4TR3D/z9SpPDNtCphF8h+TSEoM/uCsQF+nPgS2+WQb+ajxhUmyN31R31l/HI iJfQ== X-Forwarded-Encrypted: i=1; AJvYcCWKkroTKCxqAla1vvsVuSxJFASKHpPNF7VatvoK7hzyrZkJBCslxdNId3FuGt6whkHDO4B059UPQVX98WIYnG/4UhtZOq8V/JiPdof2 X-Gm-Message-State: AOJu0Yx7fZ7Ov1/HDwHvVsXR51Q7tTXuCay15pjz2vRl2iKKHlMqY7IK EfBhLXoq5dn5n/U/MwQTLMmzL7R7yBT5bz77pcxb4nSspg6Q0lsqUzQYRwEGInQs3Gr3nGIx0MU jegvyLA== X-Google-Smtp-Source: AGHT+IGPaYTWA7DQPmtXyKutHOy7Zf8bDiW6iSVJS0oNgfz+N591zshd8V9MDXT27vNWrKGa9/wDtpZ6/gv5 X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:af4b:7fc1:b7be:fcb7]) (user=irogers job=sendgmr) by 2002:a81:7908:0:b0:609:2cab:1bd7 with SMTP id u8-20020a817908000000b006092cab1bd7mr635579ywc.1.1709319418022; Fri, 01 Mar 2024 10:56:58 -0800 (PST) Date: Fri, 1 Mar 2024 10:55:57 -0800 In-Reply-To: <20240301185559.2661241-1-irogers@google.com> Message-Id: <20240301185559.2661241-19-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240301185559.2661241-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v2 18/20] perf jevents: Add C-State metrics from the PCU PMU for Intel From: Ian Rogers To: Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , John Garry , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Stephane Eranian Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use occupancy events fixed in: https://lore.kernel.org/lkml/20240226201517.3540187-1-irogers@google.com/ Metrics are at the socket level referring to cores, not hyperthreads. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 8086aef3557a..2e076f695292 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -784,6 +784,32 @@ def IntelLdSt() -> Optional[MetricGroup]: ], description =3D "Breakdown of load/store instructions") =20 =20 +def UncoreCState() -> Optional[MetricGroup]: + try: + pcu_ticks =3D Event("UNC_P_CLOCKTICKS") + c0 =3D Event("UNC_P_POWER_STATE_OCCUPANCY.CORES_C0") + c3 =3D Event("UNC_P_POWER_STATE_OCCUPANCY.CORES_C3") + c6 =3D Event("UNC_P_POWER_STATE_OCCUPANCY.CORES_C6") + except: + return None + + num_cores =3D Literal("#num_cores") / Literal("#num_packages") + + max_cycles =3D pcu_ticks * num_cores; + total_cycles =3D c0 + c3 + c6 + + # remove fused-off cores which show up in C6/C7. + c6 =3D Select(max(c6 - (total_cycles - max_cycles), 0), + total_cycles > max_cycles, + c6) + + return MetricGroup("cstate", [ + Metric("cstate_c0", "C-State cores in C0/C1", d_ratio(c0, pcu_ticks)= , "cores"), + Metric("cstate_c3", "C-State cores in C3", d_ratio(c3, pcu_ticks), "= cores"), + Metric("cstate_c6", "C-State cores in C6/C7", d_ratio(c6, pcu_ticks)= , "cores"), + ]) + + def UncoreDir() -> Optional[MetricGroup]: try: m2m_upd =3D Event("UNC_M2M_DIRECTORY_UPDATE.ANY") @@ -920,6 +946,7 @@ all_metrics =3D MetricGroup("", [ IntelMlp(), IntelPorts(), IntelSwpf(), + UncoreCState(), UncoreDir(), UncoreMem(), UncoreMemBw(), --=20 2.44.0.278.ge034bb2e1d-goog