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AJvYcCWUvELAvV52feHCA/Zt262gsVFnVOkWku7UFh2ki65sJLHHrDoc+P75BIfOGc6djN5l5CekbXqFbOJTf8NPjND5jNORy2DTTxMS6oqu X-Gm-Message-State: AOJu0YxaZfPdFUTGgJLUskqhDLpMye2z8lv0i1WcXNkHOA3nweaCcNxu AbiVjpDT3mBqOKQ+G34PLzXgIGNiGRAISkf8fU6H3Ev89fNsrb/RelcI9o3eqg8CR8WPWkKOYGY 6rCZd8w== X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:77dc:144c:334e:e2dd]) (user=irogers job=sendgmr) by 2002:a05:6902:10c2:b0:dc6:b982:cfa2 with SMTP id w2-20020a05690210c200b00dc6b982cfa2mr42080ybu.8.1709165936522; Wed, 28 Feb 2024 16:18:56 -0800 (PST) Date: Wed, 28 Feb 2024 16:17:59 -0800 In-Reply-To: <20240229001806.4158429-1-irogers@google.com> Message-Id: <20240229001806.4158429-15-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240229001806.4158429-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v1 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 , Andi Kleen , 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: 1792190649254954803 X-GMAIL-MSGID: 1792190649254954803 Number of oustanding 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 fef40969a4b8..e373f87d499d 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -617,6 +617,20 @@ 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 oustanding 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")) @@ -798,6 +812,7 @@ all_metrics = MetricGroup("", [ IntelIlp(), IntelL2(), IntelLdSt(), + IntelMlp(), IntelPorts(), IntelSwpf(), ])