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Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 0cb7a38ad238..94604b1b07d8 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -3,9 +3,9 @@ import argparse import math import os -from metric import (d_ratio, has_event, max, Event, JsonEncodeMetric, +from metric import (d_ratio, has_event, max, CheckPmu, Event, JsonEncodeMe= tric, JsonEncodeMetricGroupDescriptions, LoadEvents, Metric, - MetricGroup, Select) + MetricGroup, MetricRef, Select) =20 # Global command line arguments. _args =3D None @@ -56,6 +56,25 @@ def Rapl() -> MetricGroup: description=3D"Running Average Power Limit (RAPL) p= ower consumption estimates") =20 =20 +def Smi() -> MetricGroup: + pmu =3D "" if CheckPmu("cpu_core") else "cpu" + aperf =3D Event('msr/aperf/') + cycles =3D Event('cycles') + smi_num =3D Event('msr/smi/') + smi_cycles =3D Select(Select((aperf - cycles) / aperf, smi_num > 0, 0), + has_event(aperf), + 0) + return MetricGroup('smi', [ + Metric('smi_num', 'Number of SMI interrupts.', + Select(smi_num, has_event(smi_num), 0), 'SMI#'), + # Note, the smi_cycles "Event" is really a reference to the metric. + Metric('smi_cycles', + 'Percentage of cycles spent in System Management Interrupts= . ' + f'Requires /sys/bus/event_source/devices/{pmu}/freeze_on_sm= i to be 1.', + smi_cycles, '100%', threshold=3D(MetricRef('smi_cycles') > = 0.10)) + ], description=3D'System Management Interrupt metrics') + + def main() -> None: global _args =20 @@ -83,6 +102,7 @@ def main() -> None: all_metrics =3D MetricGroup("", [ Idle(), Rapl(), + Smi(), ]) =20 if _args.metricgroups: --=20 2.51.2.1041.gc1ab5b90ca-goog