diff options
| -rwxr-xr-x | tools/perf/pmu-events/intel_metrics.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index 24ceb7f8719b..118fe0fc05a3 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -815,6 +815,35 @@ def IntelLdSt() -> Optional[MetricGroup]: ], description="Breakdown of load/store instructions") +def UncoreCState() -> Optional[MetricGroup]: + try: + pcu_ticks = Event("UNC_P_CLOCKTICKS") + c0 = Event("UNC_P_POWER_STATE_OCCUPANCY.CORES_C0") + c3 = Event("UNC_P_POWER_STATE_OCCUPANCY.CORES_C3") + c6 = Event("UNC_P_POWER_STATE_OCCUPANCY.CORES_C6") + except: + return None + + num_cores = Literal("#num_cores") / Literal("#num_packages") + + max_cycles = pcu_ticks * num_cores + total_cycles = c0 + c3 + c6 + + # remove fused-off cores which show up in C6/C7. + c6 = Select(max(c6 - (total_cycles - max_cycles), 0), + total_cycles > max_cycles, + c6) + + return MetricGroup("lpm_cstate", [ + Metric("lpm_cstate_c0", "C-State cores in C0/C1", + d_ratio(c0, pcu_ticks), "cores"), + Metric("lpm_cstate_c3", "C-State cores in C3", + d_ratio(c3, pcu_ticks), "cores"), + Metric("lpm_cstate_c6", "C-State cores in C6/C7", + d_ratio(c6, pcu_ticks), "cores"), + ]) + + def UncoreDir() -> Optional[MetricGroup]: try: m2m_upd = Event("UNC_M2M_DIRECTORY_UPDATE.ANY") @@ -979,6 +1008,7 @@ def main() -> None: IntelMlp(), IntelPorts(), IntelSwpf(), + UncoreCState(), UncoreDir(), UncoreMem(), UncoreMemBw(), |