From nobody Sun Feb 8 21:47:01 2026 Received: from mail-dl1-f73.google.com (mail-dl1-f73.google.com [74.125.82.73]) (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 4FA4C329361 for ; Thu, 8 Jan 2026 19:11:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899502; cv=none; b=um6XcU3XKCrkxoOsMc1CnE4melFMsb5FQu76wNSHtngW9j8QtBTUzOn2hBv73a8ZANeUmLcKSmXEVJ+tDv65phadv7qjmBiYDYc6OnNAT7iTtVvjgI2NSaanBQ1vekQJ24g6KBN4huvQLisoWdbuVkq8Aw9Svs2rVq75+PS2Nc0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767899502; c=relaxed/simple; bh=y7FaKz7L3UAtslgu2x3jUq5vT+1dSABmFKBuMuNMePw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=LWCVHEBIRM3qnNRUtWurrKLkqIzqjANN430clfMqHN4rablLgumwPlfpkJdECfpC46sXbMOTRAXQHcPeWD6xU58SUIQodS+8sMfc5rv7/cEnGsXBnju4PxpMLkzog5HmhXcoK7I8Ys7yTGdRgrky3lt903ITkjhcPi7eEXEceQc= 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=OUeNijPw; arc=none smtp.client-ip=74.125.82.73 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="OUeNijPw" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-11f4617e256so15688406c88.0 for ; Thu, 08 Jan 2026 11:11:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1767899499; x=1768504299; 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=6JKS6gPP28FO6KPHugmrB/ENZliUhA7YoQoCZ5CSB0Q=; b=OUeNijPwFTKWPfTUG7MSpWEzvflOOfwP37qn0vhKzHf3v/9qbqUQrqKpEqthFnkNzX AYmrQ/9nFXbWbp/60AdUdSeG/xTnBWoQikeIYit9rPQpSUG6/u+sO+z7oxBQK73IQG/T yNkE/2mTmJw9pjFKu/G1Ls9e3bY4oenLdR6N2U+GiiLEJcIkIDV7q9ZHBioQouGyfqqk GJLZYJtLTz/g0E3ZkKZF5uRZixYR4R0uMKd12rIjWibrVtsE4IV1RWhk6yD72grxWJso PgTyRX/8KfAONLAShN1tDx3RM/Ilqecm3hk3G75ms0Eid7cBR/mZqzWJyGw4OMsgw5+R xwiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767899499; x=1768504299; 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=6JKS6gPP28FO6KPHugmrB/ENZliUhA7YoQoCZ5CSB0Q=; b=H2n3WwPdSEsvs55qumvauRpwtCtzm2qBURzhzM+i+tDutC+C5o2SKwOt+Gi9ykoWyw hMYnA+vHaVz7lnfPnY7BFVEuatcIBQ3l3iNxj8UlveOw5EikwglaR3qZfKsS541qSX8D SC3GbovyIF5Fv9MotVYoapK973VMLLhfBMJkSbg4y9hW3kbzcpv+UgrdlyKFA51aPAU0 5LkodUH9S/MFghhQIWx6PZSSA+m2t8SxEcpZ7yRNF66jCMVoUm8QNzwiPGWtVUaXIzvt 42J1I6yeCL1MZ8apdlI7zrIBMuLqEXLVS9vhjcqcYthX/dHsfl7mkswn2S9sVokmUoIn R+8w== X-Forwarded-Encrypted: i=1; AJvYcCWAkiHZCBI2RdxWnjqXiv+Mg0af5A3+YrTZEkbXvjgbPoE2ZyAeeCzRpU7SRxpfN1+rXZEq+/SI6s/eOKU=@vger.kernel.org X-Gm-Message-State: AOJu0YxyxwrBexTLQ/NNbRfCiTXArkVy9zvbsn9x8Yx5L3pq61RKnWZR 7JxY5fd7cA+31KlKmSRPok02ekuZtUtM4lE6FzDOFxwl5R7z7iAx9RNoDVjse5GaZTgqaDM7Gea pFOj1j6ftkQ== X-Google-Smtp-Source: AGHT+IF9E17SQWbJuQ50ZHhye5/4q7/rhOcbfrEcIRzVHTzDoIZ8q0s+78FGD/28qUw2K73W43movJxHsXH3 X-Received: from dlbem4.prod.google.com ([2002:a05:7022:1004:b0:11f:330d:ed15]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:41a5:b0:119:e569:f27a with SMTP id a92af1059eb24-121f8b5fe14mr6321881c88.35.1767899499231; Thu, 08 Jan 2026 11:11:39 -0800 (PST) Date: Thu, 8 Jan 2026 11:10:37 -0800 In-Reply-To: <20260108191105.695131-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260108191105.695131-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260108191105.695131-8-irogers@google.com> Subject: [PATCH v10 07/35] perf jevents: Add itlb metric group for AMD From: Ian Rogers To: Adrian Hunter , Alexander Shishkin , Arnaldo Carvalho de Melo , Benjamin Gray , Caleb Biggers , Edward Baker , Ian Rogers , Ingo Molnar , James Clark , Jing Zhang , Jiri Olsa , John Garry , Leo Yan , Namhyung Kim , Perry Taylor , Peter Zijlstra , Samantha Alt , Sandipan Das , Thomas Falcon , Weilin Wang , Xu Yang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add metrics that give an overview and details of the l1 itlb (zen1, zen2, zen3) and l2 itlb (all zens). Reviewed-by: Sandipan Das Signed-off-by: Ian Rogers --- tools/perf/pmu-events/amd_metrics.py | 49 ++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 38948f63cb52..8fb0b55074a2 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -122,6 +122,54 @@ def AmdBr(): description=3D"breakdown of retired branch instruct= ions") =20 =20 +def AmdItlb(): + global _zen_model + l2h =3D Event("bp_l1_tlb_miss_l2_tlb_hit", "bp_l1_tlb_miss_l2_hit") + l2m =3D Event("l2_itlb_misses") + l2r =3D l2h + l2m + + itlb_l1_mg =3D None + l1m =3D l2r + if _zen_model <=3D 3: + l1r =3D Event("ic_fw32") + l1h =3D max(l1r - l1m, 0) + itlb_l1_mg =3D MetricGroup("lpm_itlb_l1", [ + Metric("lpm_itlb_l1_hits", + "L1 ITLB hits as a perecentage of L1 ITLB accesses.", + d_ratio(l1h, l1h + l1m), "100%"), + Metric("lpm_itlb_l1_miss", + "L1 ITLB misses as a perecentage of L1 ITLB accesses.", + d_ratio(l1m, l1h + l1m), "100%"), + Metric("lpm_itlb_l1_reqs", + "The number of 32B fetch windows transferred from IC pi= pe to DE " + "instruction decoder per second.", d_ratio( + l1r, interval_sec), + "windows/sec"), + ]) + + return MetricGroup("lpm_itlb", [ + MetricGroup("lpm_itlb_ov", [ + Metric("lpm_itlb_ov_insn_bt_l1_miss", + "Number of instructions between l1 misses", d_ratio( + ins, l1m), "insns"), + Metric("lpm_itlb_ov_insn_bt_l2_miss", + "Number of instructions between l2 misses", d_ratio( + ins, l2m), "insns"), + ]), + itlb_l1_mg, + MetricGroup("lpm_itlb_l2", [ + Metric("lpm_itlb_l2_hits", + "L2 ITLB hits as a percentage of all L2 ITLB accesses.", + d_ratio(l2h, l2r), "100%"), + Metric("lpm_itlb_l2_miss", + "L2 ITLB misses as a percentage of all L2 ITLB accesses= .", + d_ratio(l2m, l2r), "100%"), + Metric("lpm_itlb_l2_reqs", "ITLB accesses per second.", + d_ratio(l2r, interval_sec), "accesses/sec"), + ]), + ], description=3D"Instruction TLB breakdown") + + def AmdUpc() -> Metric: ops =3D Event("ex_ret_ops", "ex_ret_cops") upc =3D d_ratio(ops, smt_cycles) @@ -188,6 +236,7 @@ def main() -> None: =20 all_metrics =3D MetricGroup("", [ AmdBr(), + AmdItlb(), AmdUpc(), Idle(), Rapl(), --=20 2.52.0.457.g6b5491de43-goog