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AJvYcCXdm4GjppxGUyy+3l9/VYpJtFVvUh1ppF8d7F8SKhtmsFg8IwWMkydsNxnwH1KeChorPtIclQQFo6wdca2IRywL8yPZCTFoPNEzljBK X-Gm-Message-State: AOJu0YzM8xCeDfFvpYF/kjO8zMruXc25ar4Kpkpz86vDuiknz+5XrrT3 mve/7IIQfpIoHGAD7JzOhv0mDhrm6c/5Enyc0POc12aF+yvKhEY4LyX7+ciQgx60phkgwTTSYVr TfLT4PQ== X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:77dc:144c:334e:e2dd]) (user=irogers job=sendgmr) by 2002:a05:6902:1244:b0:dc6:e20f:80cb with SMTP id t4-20020a056902124400b00dc6e20f80cbmr44036ybu.3.1709165950813; Wed, 28 Feb 2024 16:19:10 -0800 (PST) Date: Wed, 28 Feb 2024 16:18:05 -0800 In-Reply-To: <20240229001806.4158429-1-irogers@google.com> Message-Id: <20240229001806.4158429-21-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 20/20] perf jevents: Add upi_bw 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: 1792190741443525779 X-GMAIL-MSGID: 1792190741443525779 Break down UPI read and write bandwidth using uncore_upi counters. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index cdeb58e17c5e..219541a30450 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1006,6 +1006,27 @@ def UncoreMemBw() -> Optional[MetricGroup]: ], description = "Memory Bandwidth") +def UncoreUpiBw() -> Optional[MetricGroup]: + try: + upi_rds = Event("UNC_UPI_RxL_FLITS.ALL_DATA") + upi_wrs = Event("UNC_UPI_TxL_FLITS.ALL_DATA") + except: + return None + + upi_total = upi_rds + upi_wrs + + # From "Uncore Performance Monitoring": When measuring the amount of + # bandwidth consumed by transmission of the data (i.e. NOT including + # the header), it should be .ALL_DATA / 9 * 64B. + scale = (64 / 9) / 1_000_000 + return MetricGroup("upi_bw", [ + Metric("upi_bw_read", "UPI read bandwidth", + d_ratio(upi_rds, interval_sec), f"{scale}MB/s"), + Metric("upi_bw_write", "DDR memory write bandwidth", + d_ratio(upi_wrs, interval_sec), f"{scale}MB/s"), + ], description = "UPI Bandwidth") + + all_metrics = MetricGroup("", [ Cycles(), Idle(), @@ -1026,6 +1047,7 @@ all_metrics = MetricGroup("", [ UncoreDir(), UncoreMem(), UncoreMemBw(), + UncoreUpiBw(), ]) if args.metricgroups: