From nobody Sat Feb 7 16:00:18 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 B39613C49A for ; Fri, 1 Mar 2024 18:48:05 +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=1709318887; cv=none; b=Gl9NkBJxYXFzpa/6FM9+4D0rHg20h54xvvcMmVQaHcsBdDRKus0pETLN+2HfG+iIvj3anf7/rFne2CdxwV66BEth0HS+Ad4nMG9jjAh3HXKrpDmp3b7w1MS4nOukNuOxhrP0nwUFXTWOKBwSVLg9TxrS8yR0xvJOyP9I05BbJ+Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709318887; c=relaxed/simple; bh=XBT9PFw4GJEI1QEQOFY5V3VQlW/6wsuXkDB+REWJty8=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=GWZ6yWnJPkxUe1vE1ey6XTHSVTxN/ZSM6z/yfffMFP6ys0gJVKZue0JOO1bvMmUJlTBWttaUP+QmeLSB1SNGDz2PueMCmQ5+f9Fl07l8k6ncb7lfAArw/fONJiB92rYfgv6BCMW6fAczDunMTuzAQoUxsI8m8EjjnXpEwyV7nB8= 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=SqCkYMSe; 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="SqCkYMSe" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-607838c0800so38912087b3.1 for ; Fri, 01 Mar 2024 10:48:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709318885; x=1709923685; 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=QW5aXCnWYkSdBtfKb1tyFWz2NLyYuSqZgMPUtXRmNrc=; b=SqCkYMSegblOi7eJ1yNAYlydT0U/Jp1fbEVwXiQDqcgaCJD8BYfycN8NcFkjnDgAWd BBjJbY6VzCjKJeY9rHQZoI0HtR9xo97YAkjmeyr762x3BCH4KuyaI6ncy2zeEW6Io4Vc /1xCUF2EN7pwGXbRVjShjdmF2RmyQYshBqvmtwdRG9/yypINhWFT27jVN9+YujoDU3DW 9w784GQVT2hsSfB/vGQ5MmiCMWF9rl6A2dp+cJz9GFtrfJLGl10O/C3E2G9xhfZGJ716 LfugjHv04cf4qG2WSxRmKfC1yLcUjFs4xH1ORvuxBYmKxKDkyEhL+OKEK0IWUiHYOHjs XZhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709318885; x=1709923685; 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=QW5aXCnWYkSdBtfKb1tyFWz2NLyYuSqZgMPUtXRmNrc=; b=LhXaJAAovpp8B53JisJDSxyi7W5Dxdq6XbVq175TAX/YIjIfthoDxXiDQLCVsXGjjL sHNQ618jy3RC4SMlvZj5UHD7VdlovwBqPtn0vi4x9WLOCBvBWBN+pkH1L0gmnah1u19z 9V3Bo7fRof6f/BlJBK8fbE88thmNY5UHPibihcZM0bux7yr2KDw6xlhgKg0YkhiMmOVF KNipsaOO7h9uPTKHL432dfy7D1pGyXNRYw3X0JDMlwYirYr8lUHnycNa1qUk5Db34zDh 1zni3ojvZI839G7Z4gVzq+fV+MLgcsnk4Ap/lEGTuFXBY/2maWwtKkpW9S50BF1hf08s Kcvg== X-Forwarded-Encrypted: i=1; AJvYcCUP4B8zX75NyLYT8H+TVbUmaTENY/XiL0rkb6QQvs1MlCadRDBsxxhcD5wBmk4+Nj+eBS6amVYSF/VVEhUxjNHXRHe51PRXHJ7G8FZz X-Gm-Message-State: AOJu0Yw8X63nVEb3Fpl7pGuWtuvWUaJKt8CbmQnXXDAam0brCWdAzPEr NVtT8U7yXe3/U/29NlaLUB10MxjCMopc38WX/XsIOeuEc+8ftN6aZYa8hn1LAv3/UZgqcHPPAFc sA4Sz3Q== X-Google-Smtp-Source: AGHT+IHi8ll8T6N/4FKRHr3jgBpE9kBtsY0MxYnyl87W0DLqijXID3ZgAZT5SDy9eMsuZjtJbkhonmVvY8a2 X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:af4b:7fc1:b7be:fcb7]) (user=irogers job=sendgmr) by 2002:a05:6902:110d:b0:dc6:e884:2342 with SMTP id o13-20020a056902110d00b00dc6e8842342mr710276ybu.5.1709318884811; Fri, 01 Mar 2024 10:48:04 -0800 (PST) Date: Fri, 1 Mar 2024 10:47:33 -0800 In-Reply-To: <20240301184737.2660108-1-irogers@google.com> Message-Id: <20240301184737.2660108-9-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240301184737.2660108-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v2 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 | 108 +++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 82aab39c2a50..be10acb40762 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -125,6 +125,113 @@ def AmdBr(): description=3D"breakdown of retired branch instructio= ns") =20 =20 +def AmdDtlb() -> Optional[MetricGroup]: + 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 z= en_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(): l2h =3D Event("bp_l1_tlb_miss_l2_tlb_hit", "bp_l1_tlb_miss_l2_hit") l2m =3D Event("l2_itlb_misses") @@ -362,6 +469,7 @@ def Rapl() -> MetricGroup: =20 all_metrics =3D MetricGroup("", [ AmdBr(), + AmdDtlb(), AmdItlb(), AmdHwpf(), AmdSwpf(), --=20 2.44.0.278.ge034bb2e1d-goog