From nobody Mon Feb 9 05:59:43 2026 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 7284254FA0 for ; Thu, 14 Mar 2024 06:00:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710396017; cv=none; b=TpCx4RY5LeAnlEXBJggm5O/QU3fZ71dpRMxL3F+ohHLI2f/7s8NZ5GE+93YvqY0vY9z+eNDpZS4z299wsItfCY06wOqOuMmgPt0DDTgeaAqTdjkGH9Q7Uxqgp8/ldnJEmOWLZEdbviAa2q8OMLa0aa/J20FPFkCmgoClWhbq7pA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710396017; c=relaxed/simple; bh=n0hCKJOhlUlJCmdcwDN2VdNUYO/G7CQ1TA0ZpP6Z6tw=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=aVEip91uZAJLXcZpXonTb3Jp2xegsqv4oqB1BxrYHXv3vVTqgAaNl2Pir8pcfa9YWyUHIkUofqQBPdBAGmun37uMPKzfWlW8r/U0wo8OwV/cJlneCgBRUbpdaWvGWPVFcrEv/kd/d5ENiJkLZKL3qaDQIvIGiEuinYjaTCP6DWw= 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=0intQ5lb; arc=none smtp.client-ip=209.85.128.201 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="0intQ5lb" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-60a55a14013so12011037b3.0 for ; Wed, 13 Mar 2024 23:00:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1710396014; x=1711000814; 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=QZF+lDg+x+4lYSQ25pqZOkUZnj+qYtfQQOFRuHTcEG8=; b=0intQ5lbE69xDg2IYnFPkyvGhd2ZJ0cwPAP3p6rnzeV8yfPN+EBh/QODXk1qunfjPn cOgI/bFJPcqdnXL1790b+UDypKzsae54tgOklwBR8YEhiAxCD6+Oi7FLlnO18ziD0f/Y LwYxm4/BdniW1B1ceu5pztsQFTns7HnqosYbL68tezt7FZTJACIgMxFfVKyR5ZRNE0wm AqwJ3VL7bTrHHIAAye3ZDu7cEb26ydR38EwSlLWKic0YNR1AUBFzGe9pZUajxmsNlhrb gAYoQtY9n5iL/Wcx4nJ00jLa23CTrRFp3f655guMhOS2bAFw6/tVxUvwLH1FRFpNN0rg QQvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710396014; x=1711000814; 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=QZF+lDg+x+4lYSQ25pqZOkUZnj+qYtfQQOFRuHTcEG8=; b=H9Q6e/qq4wJgc6pv8fdYpXD+4ajQ9AgJRhxg+zn6QRU9smU22Ias6vzAqhfPw+p3YI uAwogHGE2elnkWyxd9sTpEEy8M1TKJWvEdh1igWoikLG/H+BxXgkcZQZ41AVZP5ALwQo cvEUeNhG1l7CPVmGmxWBaXqF3OX89XeKNle6iJSN9a/AhFoZz9mEeRb6+CcsRYMAJMO4 kUllG4XzK/XJZPWUTUTYQEaCg6n3gd2eVWBLE0T3FomIBGOSDYRS5wOrPzUt21b6AvUZ KlRP9lAz+jmSuKMhEocGoACPEafHPnYOu+GIEGQHqpcTOtGEqtgmra+pRcaVARXwmoQO jndw== X-Forwarded-Encrypted: i=1; AJvYcCUgLb46In7QQxFQ9uDhdey9pEgXvfUcgcTC+xrVo7EZSGR4sjKfhyq+0kJ1oERldH1puj8uk6niT4UpBalV6HGIzTfI9xwRhHZJzMtX X-Gm-Message-State: AOJu0YzY4K7WbdbpcAO8b69QuERYXH0av5SSHziKDdvgcWZKlye7HhxB gp463hlaf4RCmpyytWnWUKL+PLMEc/odYLt8wlJtkc0T7NVuydSK9N/QiVTIltVrfCjCTAtVHRq S3ksORA== X-Google-Smtp-Source: AGHT+IGTzCPvzNe1FzIzgXs6Q9kbuqyr1aub5IHA6aYENEtw3/TaCG98nTpP+peSoQ96AcjfAYyOdeKlFtDE X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:449f:3bde:a4cd:806a]) (user=irogers job=sendgmr) by 2002:a05:6902:218e:b0:dc2:398d:a671 with SMTP id dl14-20020a056902218e00b00dc2398da671mr258706ybb.10.1710396014754; Wed, 13 Mar 2024 23:00:14 -0700 (PDT) Date: Wed, 13 Mar 2024 22:59:17 -0700 In-Reply-To: <20240314055919.1979781-1-irogers@google.com> Message-Id: <20240314055919.1979781-19-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240314055919.1979781-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v3 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 0e3ead0fa0b1..6fd45350395f 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -777,6 +777,32 @@ 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") @@ -935,6 +961,7 @@ def main() -> None: IntelMlp(), IntelPorts(), IntelSwpf(), + UncoreCState(), UncoreDir(), UncoreMem(), UncoreMemBw(), --=20 2.44.0.278.ge034bb2e1d-goog