From nobody Mon Feb 9 13:36:03 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 B46B432B999 for ; Tue, 27 Jan 2026 18:45:40 +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=1769539542; cv=none; b=gFNtHF24PkKo4z0zd7awmjFbQR53fIgjk4ZgBGAE8AdKQx65sz99MuGY/mplMMCbPZY7awgdfCAAY1tn7DQyHWzEk3/cqzijy4gXwDnxEfCbqHLzU+kfo7/P6+y0+eruD4WZbuscIfnZdW1ByfwoV5J3QT1wOgjDr2SQxFvAFHo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769539542; c=relaxed/simple; bh=y7FaKz7L3UAtslgu2x3jUq5vT+1dSABmFKBuMuNMePw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=oIqE+Cgyqrp2NFrSfDc1idOUAQ715sucafHF8Ti6iHWAO93TobFW90kWH+84HA9B1lBjSmu2sa2z0tKq6KQwo06CZLlE15Zna8jmJpvQCRNCIFgOwHBTkP5Vnt6EyrMXS2A25aRDuS5pl8wgZrRP+oEgH/6o6nTxufDg6nzBtVo= 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=QTktOvgc; 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="QTktOvgc" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-124a5098029so2638904c88.0 for ; Tue, 27 Jan 2026 10:45:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1769539540; x=1770144340; 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=QTktOvgcenTrsFeGp/q69q2c9gXenOzDkJ3R8cxZxttQ8b3ICW1sbAfns6ut3HkXUe s0ZwgOd9Yg2iCmcgHd0HoCZlBxymVwQ7EU+FcTt423MgSK7+XDeiFEVN1QtGfi3iEURQ fhMtz2Jjwy9OWYjOtkI7QFYWiP02HVmlloD4qpGjXJlGxyk9aSxNdDXvCDZzBQeW2orp W4Mt8s1U3rP88O+m8Jm7IBVZSWSI8B7+iSjo16Wd+E4knrVHRFlnFeZAAuhI1KWk6IxK S2PVcGw4Swed1m0UquXJ2Q53FBVOPi2yVoNjJvy0AdwC0AmFh5s065rqoqnZTmgT34ya dbwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769539540; x=1770144340; 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=EnWJYXBkXpa17JA04i+COaBSW2lCZBEe3qaC8AhE386Pmc4tmeCvdLLucNgIVjw3mc pIgUe4WWtapDrfoTBOjpBgi4w8IkeWGtUzkoGR1kEK/m0u9EiM5jLmEe0YamH/pt9HUu e3DAs/gmsOZkrtdtijJ4NhRtuPBVYtLA5ZDGZ48lYWbuL1XNsQ0NnPU2nY5My92OYdE3 xSfalhNDpfsC+xrSZKBdheoaJVbXWV/J7YWB8HTjjKmb3zGyqNFqPEOs3gosXdOSCtDI GfXwBFxlVUPYwjCrfKaKRuebhAiSXId4+vykZzk7u7YH0fxazulfGD66zyxFAuR8RiEF kKqQ== X-Forwarded-Encrypted: i=1; AJvYcCUSq5MDtawFSDbsQygqtIf7NjMiN3XkcrDayR8RsjQdjbNX1bVwhJrz8IOWiyYwnsE0xSuiB2VBPkFmh2o=@vger.kernel.org X-Gm-Message-State: AOJu0YzNLtlYxV4E7NaRTXSCPovy3KJojqFiOMfEjywcTNCyXlPrNTwK Z07xu+7VFg1IZUxbVOD6bJZU1P9YAmRZnfvTnvRu2N/zqB4dNiLy7rIF3qZoYT0WCw75shGiK1W 0P72Q+R1I2Q== X-Received: from dldnz2.prod.google.com ([2002:a05:701a:ca02:b0:11d:fd49:7806]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:4194:b0:124:9ae7:b2df with SMTP id a92af1059eb24-124a0129de1mr1290403c88.44.1769539539836; Tue, 27 Jan 2026 10:45:39 -0800 (PST) Date: Tue, 27 Jan 2026 10:44:38 -0800 In-Reply-To: <20260127184506.3059493-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260127184506.3059493-1-irogers@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260127184506.3059493-8-irogers@google.com> Subject: [PATCH v11 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 , 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