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Reviewed-by: Sandipan Das Signed-off-by: Ian Rogers --- tools/perf/pmu-events/amd_metrics.py | 31 +++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index bc91d9c120fa..b6cdeb4f09fe 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -1,13 +1,36 @@ #!/usr/bin/env python3 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) import argparse +import math import os -from metric import (JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, L= oadEvents, - MetricGroup) +from metric import (d_ratio, has_event, Event, JsonEncodeMetric, JsonEncod= eMetricGroupDescriptions, + LoadEvents, Metric, MetricGroup, Select) =20 # Global command line arguments. _args =3D None =20 +interval_sec =3D Event("duration_time") + + +def Rapl() -> MetricGroup: + """Processor socket power consumption estimate. + + Use events from the running average power limit (RAPL) driver. + """ + # Watts =3D joules/second + # Currently only energy-pkg is supported by AMD: + # https://lore.kernel.org/lkml/20220105185659.643355-1-eranian@google.= com/ + pkg =3D Event("power/energy\\-pkg/") + cond_pkg =3D Select(pkg, has_event(pkg), math.nan) + scale =3D 2.3283064365386962890625e-10 + metrics =3D [ + Metric("lpm_cpu_power_pkg", "", + d_ratio(cond_pkg * scale, interval_sec), "Watts"), + ] + + return MetricGroup("lpm_cpu_power", metrics, + description=3D"Processor socket power consumption e= stimates") + =20 def main() -> None: global _args @@ -33,7 +56,9 @@ def main() -> None: directory =3D f"{_args.events_path}/x86/{_args.model}/" LoadEvents(directory) =20 - all_metrics =3D MetricGroup("", []) + all_metrics =3D MetricGroup("", [ + Rapl(), + ]) =20 if _args.metricgroups: print(JsonEncodeMetricGroupDescriptions(all_metrics)) --=20 2.52.0.457.g6b5491de43-goog