From nobody Sun Feb 8 21:46:46 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 2D9C13CF74 for ; Fri, 1 Mar 2024 18:48:07 +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=1709318889; cv=none; b=iqf105zcKidTYlVJfZtPM5wHbzAzeOHrJrnuSkqyZB2mFpWW9jci2GJ0zuW1polu6k8vylcAjsTzjKXHTxWzAYHRHHQ1j1KmD7pyQVPZuX3ssVsSCPsk+Tl7MfcbID7xZDqgTtoGykWJAeA67sxdhfz/w10jvCCx4oJV+uKG+1Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709318889; c=relaxed/simple; bh=xBfxlNT0aaXEMy2J3656vmd02rMeN9x8F3Ypxz5k1Kk=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=Aqgw3XUU0S0gvT0FffNO2T9ljOaj1OQ282GzlB7hgsaSrQlOd2iriTOv6A6e9xr9ALkz75dx2Llv3phYGswJKDd7lXDN+ByvOcwKvJeWrxLPKCBlrgW5Bp/Uf4ipMns9dCOl4zT4CH048jL1u3ua9r8Sd2A4sE5pOuSd5xZui9k= 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=Ahg71M3n; 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="Ahg71M3n" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dc746178515so3500327276.2 for ; Fri, 01 Mar 2024 10:48:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709318887; x=1709923687; 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=nnw8j+u3lnjVu4UTXXzRJGFzX9SHr9I3FGbOrJjWHHs=; b=Ahg71M3n0naNsQXjrkAS1qZhpfiRGx9o2Y15Pl2hEOyNdnM6frSa6/BXytIQvfbDKM 2SJ8F+8TMQ5W2HdVnDzyk0b7A4xD36/aEx4NTITmSg1cakySxMxS57NtE4YlgG4ZUmBB VBgtlrPQc4NH3/XCT86vvbPJEWEoFDeRr0brz6vSwHXBY+C7ZLsOVK7l6UxN8FfGUiTI 4QDxqBcpdZaSkRM3eG5MiezkU5hmcJfPLSS+URNfA4ZGbsykjAmJxtTsQTHgzvO5Gxfl ovdr4Zk/NfzagBKQIDEkMcRwauO6agfPRUxqtv2ZS6A1p29hFUXs03IMnPlPKZDv4uQj Nx+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709318887; x=1709923687; 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=nnw8j+u3lnjVu4UTXXzRJGFzX9SHr9I3FGbOrJjWHHs=; b=dccdzsx4zC4rBcUOp9SacZB020tAbzRcWVUG0nNp5Rnt7um/1y8tZJth2HWtIyGX7Q xhol+kD1u3Tqh6BWO94MBn5LplhZA3WQSsHRyOlBE2S+sQp92bVIpewC4EODob5ADxE/ EWL55A/LKO/ZZrgz7uu9dSm5kLGwxZI87QtyFo73a095DnON83UB9ZUsHHtOHI+J3PSf 7iyPaA8jFVjqHUaxfRVylxAHwqNLoGfoAbk8TSyMeUEvyTMXoVRvz1svSM8NqLKYj3BI p+iq62UWPUPc78KlKnqa6dsqT1nyCaIdS0EksVMOy++bF6durwMQJKDM9K09FKkD9KFR pJVg== X-Forwarded-Encrypted: i=1; AJvYcCUXtH0cXUcFu8eQWFfLNZOjnpoStFRUCmP5uOVrPzAHA2ACiHmEoVPDo2xrqDGjvpDqgtMKiDaqdyTCmd/s8Lma/HwyvpcfcCqmu/oZ X-Gm-Message-State: AOJu0YwmvUNOT1U5Row6h6Ef1H8iJMGE1TvA6+n36nne5YgxASoxybjz lPmpJdikip/jzOkwzE0P7wzNioCvRw9J2RiWwgPYmssvJ4X7BTKOT/RjiQakuHKnDqKIqyQWaM7 Ne9K7og== X-Google-Smtp-Source: AGHT+IF3gtdTZX8zZ+qhGN79j9W6Px3w2MCjga4xswXwduGdchfGJAS2dE10Pyq4+3LxxdG/Wm87j4Qni4Ss X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:af4b:7fc1:b7be:fcb7]) (user=irogers job=sendgmr) by 2002:a25:c782:0:b0:dcd:88e9:e508 with SMTP id w124-20020a25c782000000b00dcd88e9e508mr536559ybe.5.1709318887193; Fri, 01 Mar 2024 10:48:07 -0800 (PST) Date: Fri, 1 Mar 2024 10:47:34 -0800 In-Reply-To: <20240301184737.2660108-1-irogers@google.com> Message-Id: <20240301184737.2660108-10-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240301184737.2660108-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v2 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 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index be10acb40762..f4a4ece551ef 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -467,6 +467,23 @@ 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") + + all_metrics =3D MetricGroup("", [ AmdBr(), AmdDtlb(), @@ -476,6 +493,7 @@ all_metrics =3D MetricGroup("", [ AmdUpc(), Idle(), Rapl(), + UncoreL3(), ]) =20 if args.metricgroups: --=20 2.44.0.278.ge034bb2e1d-goog