Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
35 lines
1.7 KiB
JSON
35 lines
1.7 KiB
JSON
[
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{
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"MetricExpr": "100 * (stall_slot_frontend / (#slots * cpu_cycles))",
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"BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the frontend of the processor.",
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"DefaultMetricgroupName": "TopdownL1",
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"MetricGroup": "Default;TopdownL1",
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"MetricName": "frontend_bound",
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"ScaleUnit": "1percent of slots"
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},
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{
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"MetricExpr": "100 * ((1 - op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles)))",
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"BriefDescription": "This metric is the percentage of total slots that executed operations and didn't retire due to a pipeline flush.\nThis indicates cycles that were utilized but inefficiently.",
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"DefaultMetricgroupName": "TopdownL1",
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"MetricGroup": "Default;TopdownL1",
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"MetricName": "bad_speculation",
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"ScaleUnit": "1percent of slots"
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},
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{
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"MetricExpr": "100 * ((op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles)))",
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"BriefDescription": "This metric is the percentage of total slots that retired operations, which indicates cycles that were utilized efficiently.",
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"DefaultMetricgroupName": "TopdownL1",
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"MetricGroup": "Default;TopdownL1",
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"MetricName": "retiring",
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"ScaleUnit": "1percent of slots"
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},
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{
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"MetricExpr": "100 * (stall_slot_backend / (#slots * cpu_cycles))",
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"BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the backend of the processor.",
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"DefaultMetricgroupName": "TopdownL1",
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"MetricGroup": "Default;TopdownL1",
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"MetricName": "backend_bound",
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"ScaleUnit": "1percent of slots"
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}
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]
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