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AJvYcCUP4B8zX75NyLYT8H+TVbUmaTENY/XiL0rkb6QQvs1MlCadRDBsxxhcD5wBmk4+Nj+eBS6amVYSF/VVEhUxjNHXRHe51PRXHJ7G8FZz X-Gm-Message-State: AOJu0Yw8X63nVEb3Fpl7pGuWtuvWUaJKt8CbmQnXXDAam0brCWdAzPEr NVtT8U7yXe3/U/29NlaLUB10MxjCMopc38WX/XsIOeuEc+8ftN6aZYa8hn1LAv3/UZgqcHPPAFc sA4Sz3Q== 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 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792350892587387147 X-GMAIL-MSGID: 1792350892587387147 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/amd_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="breakdown of retired branch instructions") +def AmdDtlb() -> Optional[MetricGroup]: + if zen_model >= 4: + return None + + d_dat = Event("ls_dc_accesses") if zen_model <= 3 else None + d_h4k = Event("ls_l1_d_tlb_miss.tlb_reload_4k_l2_hit") + d_hcoal = Event("ls_l1_d_tlb_miss.tlb_reload_coalesced_page_hit") if zen_model >= 2 else 0 + d_h2m = Event("ls_l1_d_tlb_miss.tlb_reload_2m_l2_hit") + d_h1g = Event("ls_l1_d_tlb_miss.tlb_reload_1g_l2_hit") + + d_m4k = Event("ls_l1_d_tlb_miss.tlb_reload_4k_l2_miss") + d_mcoal = Event("ls_l1_d_tlb_miss.tlb_reload_coalesced_page_miss") if zen_model >= 2 else 0 + d_m2m = Event("ls_l1_d_tlb_miss.tlb_reload_2m_l2_miss") + d_m1g = Event("ls_l1_d_tlb_miss.tlb_reload_1g_l2_miss") + + d_w0 = Event("ls_tablewalker.dc_type0") if zen_model <= 3 else None + d_w1 = Event("ls_tablewalker.dc_type1") if zen_model <= 3 else None + walks = d_w0 + d_w1 + walks_r = d_ratio(walks, interval_sec) + ins_w = d_ratio(ins, walks) + l1 = d_dat + l1_r = d_ratio(l1, interval_sec) + l2_hits = d_h4k + d_hcoal + d_h2m + d_h1g + l2_miss = d_m4k + d_mcoal + d_m2m + d_m1g + l2_r = d_ratio(l2_hits + l2_miss, interval_sec) + l1_miss = l2_hits + l2_miss + walks + l1_hits = max(l1 - l1_miss, 0) + ins_l = 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 walks.", + 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), "100%"), + Metric( + "dtlb_l2_coal_miss", + "DTLB L2 coalesced page (16kb) misses as percentage of all " + "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="Data TLB metrics") + + def AmdItlb(): l2h = Event("bp_l1_tlb_miss_l2_tlb_hit", "bp_l1_tlb_miss_l2_hit") l2m = Event("l2_itlb_misses") @@ -362,6 +469,7 @@ def Rapl() -> MetricGroup: all_metrics = MetricGroup("", [ AmdBr(), + AmdDtlb(), AmdItlb(), AmdHwpf(), AmdSwpf(),