Messages in this thread Patch in this message | | | Date | Wed, 13 Mar 2024 22:59:00 -0700 | Subject | [PATCH v3 01/20] perf jevents: Add RAPL metrics for all Intel models | From | Ian Rogers <> |
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Add a 'cpu_power' metric group that computes the power consumption from RAPL events if they are present.
Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/pmu-events/intel_metrics.py | 45 ++++++++++++++++++++++++-- 1 file changed, 42 insertions(+), 3 deletions(-)
diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index 04a19d05c6c1..58e23eb48312 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -1,13 +1,49 @@ #!/usr/bin/env python3 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) -from metric import (JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, LoadEvents, - MetricGroup) +from metric import (d_ratio, has_event, Event, JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, + LoadEvents, Metric, MetricGroup, Select) import argparse import json +import math import os # Global command line arguments. _args = None +interval_sec = Event("duration_time") + +def Rapl() -> MetricGroup: + """Processor power consumption estimate. + + Use events from the running average power limit (RAPL) driver. + """ + # Watts = joules/second + pkg = Event("power/energy\-pkg/") + cond_pkg = Select(pkg, has_event(pkg), math.nan) + cores = Event("power/energy\-cores/") + cond_cores = Select(cores, has_event(cores), math.nan) + ram = Event("power/energy\-ram/") + cond_ram = Select(ram, has_event(ram), math.nan) + gpu = Event("power/energy\-gpu/") + cond_gpu = Select(gpu, has_event(gpu), math.nan) + psys = Event("power/energy\-psys/") + cond_psys = Select(psys, has_event(psys), math.nan) + scale = 2.3283064365386962890625e-10 + metrics = [ + Metric("cpu_power_pkg", "", + d_ratio(cond_pkg * scale, interval_sec), "Watts"), + Metric("cpu_power_cores", "", + d_ratio(cond_cores * scale, interval_sec), "Watts"), + Metric("cpu_power_ram", "", + d_ratio(cond_ram * scale, interval_sec), "Watts"), + Metric("cpu_power_gpu", "", + d_ratio(cond_gpu * scale, interval_sec), "Watts"), + Metric("cpu_power_psys", "", + d_ratio(cond_psys * scale, interval_sec), "Watts"), + ] + + return MetricGroup("cpu_power", metrics, + description="Running Average Power Limit (RAPL) power consumption estimates") + def main() -> None: global _args @@ -31,7 +67,10 @@ def main() -> None: directory = f"{_args.events_path}/x86/{_args.model}/" LoadEvents(directory) - all_metrics = MetricGroup("",[]) + all_metrics = MetricGroup("", [ + Rapl(), + ]) + if _args.metricgroups: print(JsonEncodeMetricGroupDescriptions(all_metrics)) -- 2.44.0.278.ge034bb2e1d-goog
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