From nobody Mon Feb 9 11:47:53 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 3B2C318044 for ; Thu, 14 Mar 2024 05:59:03 +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=1710395944; cv=none; b=D4wM9zGxhwlXSPqktwjBc7UIw1TBv9JP4UFPUtD02MVAahAG4FfuS3hcmZa36zCGNBRnZmqvMKfRQeG5LHNUGFFJRFiOsfVGdEBSH987TxIgrUQBz4do8hp9OUwQT3LrSvFiEHgecg4v8njcSDuZhtG21yDHmucjEU3FlMQ4x8k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710395944; c=relaxed/simple; bh=whMVmxF3NoYz6Wx64jZe95t16CbQJLeON0KmO6ONXNo=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=USxFp5SmarW0y/LADIm+k0XUKor8INIyUQsE3nk4kvQbBPpjPkmOW//HowPFTwDif710deU6tiqsyZvGrFh00T82DUniF6VcBCEFaKmquQ434Ij3hioDp18qnLuAjnB481828t0X0VRBhsKYy++gKdLo0znBaUv8NVIMBOs1GxY= 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=BA6Rl4Ng; 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="BA6Rl4Ng" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-60a0815e3f9so10277747b3.2 for ; Wed, 13 Mar 2024 22:59:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1710395942; x=1711000742; 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=AScvNp0fYbHG89nkyRKQajNiisdR6SwLChBrHvGyhcc=; b=BA6Rl4Ng0vnBae80umvCxBknVss+ZLbp7Yz/SWwZTk7IwLQ+wOs65KcFAHPqBP5rNE XBeBQ0N8zJgi1h2p33BKL1zeqP0/ZnRzbno1t3lLhMHqAmZeSn4+KI+uLqKjX2y1DDbA nVrtO3GHCNL30WT7IB5uYfGhJxD1lfAJF5w40EaVkEQfm4Ysrbkp5wHVjIlflh59/NLp wpLHVosUbpn1WiEcPeCCmnOqJzma7XydPyPRWTKbAzteL3oVmW9rZQw5Xh+SrAp2LgIX TudOCpXnSyiT52G73ihG0k5rGYtO7Wa+SYjWfaBDEHMr4a80vQcrPrukelNSLyTdCeys RJ0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710395942; x=1711000742; 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=AScvNp0fYbHG89nkyRKQajNiisdR6SwLChBrHvGyhcc=; b=lyKAoJTcWHqthnCK6GdWSFTpPDM1nc+U9juJP2hSMxo1GdGMxUKx/nZKhtZb3k7mcA 3oIOIUQr4EqnOz/1y9oq5wRKcXqWNGB7LhSuEPP74z/Sn7chI1EOg39zOWwYvdMyUkBM y98+68mIqGZRBGBSnrXrjW0uPnqQ2GilmvRPJhkmvnKJbx3JxKhgiRM5+JyYX8bXhHQL sZCeO6h/OpR8Uy6OHyXW+4BPbuPjZwbTYkflrsoWNbDriMN/sYeKzbm7mQqIgg24I2fS Khqr2MNv4dlY8b2cHQbiUp/WpgItAYAmUFhvtIQhdDcIZoYOYJxNoKuHJS2ru/pXKF6d BCjw== X-Forwarded-Encrypted: i=1; AJvYcCWrQooyDXDKbNnn4pX1qkEZfnlHVjMP2WrW30fddGnrlHRHcC/62KXHl1qZ0V/1EGu4Ml5GC0cf/9elrnBhSoxEeDSmbZrSmYejPqp2 X-Gm-Message-State: AOJu0YwBFxLffviaX1cIbyQaVQA2csH29dbFxrr0rAoRt9kyBZ+SG7mm mvGMoMNnfPFARVWto1+YWEogpOT/vqyQlMJGoko2Bp73H9ucdWPG/dI1fBMw/VHwgfc+lYOYuNp TlnSoCw== X-Google-Smtp-Source: AGHT+IFFkMR91+4WamnF5jU1jy66HUh37ZDG5SlCY/q6Kc7cyBxemp5moQUFnelv0KCgKJs0ZPJ7qApHXmTd X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:449f:3bde:a4cd:806a]) (user=irogers job=sendgmr) by 2002:a81:4886:0:b0:60a:66b9:c089 with SMTP id v128-20020a814886000000b0060a66b9c089mr149852ywa.8.1710395942348; Wed, 13 Mar 2024 22:59:02 -0700 (PDT) Date: Wed, 13 Mar 2024 22:58:35 -0700 In-Reply-To: <20240314055839.1975063-1-irogers@google.com> Message-Id: <20240314055839.1975063-9-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240314055839.1975063-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v3 08/12] perf jevents: Add dtlb 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" Add metrics that give an overview and details of the dtlb (zen1, zen2, zen3). Signed-off-by: Ian Rogers --- tools/perf/pmu-events/amd_metrics.py | 109 +++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 519aa9ab8801..1bddfb939597 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -120,6 +120,114 @@ def AmdBr(): description=3D"breakdown of retired branch instructio= ns") =20 =20 +def AmdDtlb() -> Optional[MetricGroup]: + global _zen_model + if _zen_model >=3D 4: + return None + + d_dat =3D Event("ls_dc_accesses") if _zen_model <=3D 3 else None + d_h4k =3D Event("ls_l1_d_tlb_miss.tlb_reload_4k_l2_hit") + d_hcoal =3D Event("ls_l1_d_tlb_miss.tlb_reload_coalesced_page_hit") if _= zen_model >=3D 2 else 0 + d_h2m =3D Event("ls_l1_d_tlb_miss.tlb_reload_2m_l2_hit") + d_h1g =3D Event("ls_l1_d_tlb_miss.tlb_reload_1g_l2_hit") + + d_m4k =3D Event("ls_l1_d_tlb_miss.tlb_reload_4k_l2_miss") + d_mcoal =3D Event("ls_l1_d_tlb_miss.tlb_reload_coalesced_page_miss") if = _zen_model >=3D 2 else 0 + d_m2m =3D Event("ls_l1_d_tlb_miss.tlb_reload_2m_l2_miss") + d_m1g =3D Event("ls_l1_d_tlb_miss.tlb_reload_1g_l2_miss") + + d_w0 =3D Event("ls_tablewalker.dc_type0") if _zen_model <=3D 3 else None + d_w1 =3D Event("ls_tablewalker.dc_type1") if _zen_model <=3D 3 else None + walks =3D d_w0 + d_w1 + walks_r =3D d_ratio(walks, interval_sec) + ins_w =3D d_ratio(ins, walks) + l1 =3D d_dat + l1_r =3D d_ratio(l1, interval_sec) + l2_hits =3D d_h4k + d_hcoal + d_h2m + d_h1g + l2_miss =3D d_m4k + d_mcoal + d_m2m + d_m1g + l2_r =3D d_ratio(l2_hits + l2_miss, interval_sec) + l1_miss =3D l2_hits + l2_miss + walks + l1_hits =3D max(l1 - l1_miss, 0) + ins_l =3D d_ratio(ins, l1_miss) + + return MetricGroup("dtlb", [ + MetricGroup("dtlb_ov", [ + Metric("dtlb_ov_insn_bt_l1_miss", + "DTLB overview: instructions between l1 misses.", ins_l, + "insns"), + Metric("dtlb_ov_insn_bt_walks", + "DTLB overview: instructions between dtlb page table walk= s.", + ins_w, "insns"), + ]), + MetricGroup("dtlb_l1", [ + Metric("dtlb_l1_hits", + "DTLB L1 hits as percentage of all DTLB L1 accesses.", + d_ratio(l1_hits, l1), "100%"), + Metric("dtlb_l1_miss", + "DTLB L1 misses as percentage of all DTLB L1 accesses.", + d_ratio(l1_miss, l1), "100%"), + Metric("dtlb_l1_reqs", "DTLB L1 accesses per second.", l1_r, + "insns/s"), + ]), + MetricGroup("dtlb_l2", [ + Metric("dtlb_l2_hits", + "DTLB L2 hits as percentage of all DTLB L2 accesses.", + d_ratio(l2_hits, l2_hits + l2_miss), "100%"), + Metric("dtlb_l2_miss", + "DTLB L2 misses as percentage of all DTLB L2 accesses.", + d_ratio(l2_miss, l2_hits + l2_miss), "100%"), + Metric("dtlb_l2_reqs", "DTLB L2 accesses per second.", l2_r, + "insns/s"), + MetricGroup("dtlb_l2_4kb", [ + Metric( + "dtlb_l2_4kb_hits", + "DTLB L2 4kb page size hits as percentage of all DTLB L2= 4kb " + "accesses.", d_ratio(d_h4k, d_h4k + d_m4k), "100%"), + Metric( + "dtlb_l2_4kb_miss", + "DTLB L2 4kb page size misses as percentage of all DTLB = L2 4kb" + "accesses.", d_ratio(d_m4k, d_h4k + d_m4k), "100%") + ]), + MetricGroup("dtlb_l2_coalesced", [ + Metric( + "dtlb_l2_coal_hits", + "DTLB L2 coalesced page (16kb) hits as percentage of all= DTLB " + "L2 coalesced accesses.", d_ratio(d_hcoal, + d_hcoal + d_mcoal), "1= 00%"), + Metric( + "dtlb_l2_coal_miss", + "DTLB L2 coalesced page (16kb) misses as percentage of a= ll " + "DTLB L2 coalesced accesses.", + d_ratio(d_mcoal, d_hcoal + d_mcoal), "100%") + ]), + MetricGroup("dtlb_l2_2mb", [ + Metric( + "dtlb_l2_2mb_hits", + "DTLB L2 2mb page size hits as percentage of all DTLB L2= 2mb " + "accesses.", d_ratio(d_h2m, d_h2m + d_m2m), "100%"), + Metric( + "dtlb_l2_2mb_miss", + "DTLB L2 2mb page size misses as percentage of all DTLB = L2 " + "accesses.", d_ratio(d_m2m, d_h2m + d_m2m), "100%") + ]), + MetricGroup("dtlb_l2_1g", [ + Metric( + "dtlb_l2_1g_hits", + "DTLB L2 1gb page size hits as percentage of all DTLB L2= 1gb " + "accesses.", d_ratio(d_h1g, d_h1g + d_m1g), "100%"), + Metric( + "dtlb_l2_1g_miss", + "DTLB L2 1gb page size misses as percentage of all DTLB = L2 " + "1gb accesses.", d_ratio(d_m1g, d_h1g + d_m1g), "100%") + ]), + ]), + MetricGroup("dtlb_walks", [ + Metric("dtlb_walks_reqs", "DTLB page table walks per second.", + walks_r, "walks/s"), + ]), + ], description=3D"Data TLB metrics") + + def AmdItlb(): global _zen_model l2h =3D Event("bp_l1_tlb_miss_l2_tlb_hit", "bp_l1_tlb_miss_l2_hit") @@ -386,6 +494,7 @@ def main() -> None: =20 all_metrics =3D MetricGroup("", [ AmdBr(), + AmdDtlb(), AmdItlb(), AmdHwpf(), AmdSwpf(), --=20 2.44.0.278.ge034bb2e1d-goog