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AJvYcCUQyZKa8ixd47H7htkwbPxpjZrgVfJy3XyBWjRfknEvuLk0Hn6R+nXbrXMMrsVVrIpP7YiedNyZp0EY7mGnA7rvJdvH8/M0xBTk3Ugl X-Gm-Message-State: AOJu0Yxr4Py+jyU4lqOLME27lbfORkF3ofqTxnnpx9TT1pRglJS8uDQb G+LORIic8xO9yIoUFpyw+ViEKaOersXfJvzdyz1j7F4iPGoK9h9sO+2Fp3K+GKe6vM+uKfWIpJV /C36S5g== X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:af4b:7fc1:b7be:fcb7]) (user=irogers job=sendgmr) by 2002:a81:9950:0:b0:609:4d6f:7c0b with SMTP id q77-20020a819950000000b006094d6f7c0bmr473405ywg.4.1709319408201; Fri, 01 Mar 2024 10:56:48 -0800 (PST) Date: Fri, 1 Mar 2024 10:55:53 -0800 In-Reply-To: <20240301185559.2661241-1-irogers@google.com> Message-Id: <20240301185559.2661241-15-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240301185559.2661241-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v2 14/20] perf jevents: Add Miss Level Parallelism (MLP) metric for Intel From: Ian Rogers To: Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , John Garry , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Stephane Eranian X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792351547429142852 X-GMAIL-MSGID: 1792351547429142852 Number of outstanding load misses per cycle. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index 6f18d5fd9f95..2cd30c557a59 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -601,6 +601,20 @@ def IntelL2() -> Optional[MetricGroup]: ], description = "L2 data cache analysis") +def IntelMlp() -> Optional[Metric]: + try: + l1d = Event("L1D_PEND_MISS.PENDING") + l1dc = Event("L1D_PEND_MISS.PENDING_CYCLES") + except: + return None + + l1dc = Select(l1dc / 2, Literal("#smt_on"), l1dc) + ml = d_ratio(l1d, l1dc) + return Metric("mlp", + "Miss level parallelism - number of outstanding load misses per cycle (higher is better)", + ml, "load_miss_pending/cycle") + + def IntelPorts() -> Optional[MetricGroup]: pipeline_events = json.load(open(f"{os.path.dirname(os.path.realpath(__file__))}" f"/arch/x86/{args.model}/pipeline.json")) @@ -781,6 +795,7 @@ all_metrics = MetricGroup("", [ IntelIlp(), IntelL2(), IntelLdSt(), + IntelMlp(), IntelPorts(), IntelSwpf(), ])