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Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 55 ++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index ba3983920fb3..4f8dc054ad98 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -262,6 +262,60 @@ def IntelBr(): description=3D"breakdown of retired branch instructio= ns") =20 =20 +def IntelCtxSw() -> MetricGroup: + cs =3D Event("context\\-switches") + metrics =3D [ + Metric("lpm_cs_rate", "Context switches per second", d_ratio(cs, int= erval_sec), "ctxsw/s") + ] + + ev =3D Event("instructions") + metrics.append(Metric("lpm_cs_instr", "Instructions per context switch", + d_ratio(ev, cs), "instr/cs")) + + ev =3D Event("cycles") + metrics.append(Metric("lpm_cs_cycles", "Cycles per context switch", + d_ratio(ev, cs), "cycles/cs")) + + try: + ev =3D Event("MEM_INST_RETIRED.ALL_LOADS", "MEM_UOPS_RETIRED.ALL_LOADS= ") + metrics.append(Metric("lpm_cs_loads", "Loads per context switch", + d_ratio(ev, cs), "loads/cs")) + except: + pass + + try: + ev =3D Event("MEM_INST_RETIRED.ALL_STORES", "MEM_UOPS_RETIRED.ALL_STOR= ES") + metrics.append(Metric("lpm_cs_stores", "Stores per context switch", + d_ratio(ev, cs), "stores/cs")) + except: + pass + + try: + ev =3D Event("BR_INST_RETIRED.NEAR_TAKEN", "BR_INST_RETIRED.TAKEN_JCC") + metrics.append(Metric("lpm_cs_br_taken", "Branches taken per context s= witch", + d_ratio(ev, cs), "br_taken/cs")) + except: + pass + + try: + l2_misses =3D (Event("L2_RQSTS.DEMAND_DATA_RD_MISS") + + Event("L2_RQSTS.RFO_MISS") + + Event("L2_RQSTS.CODE_RD_MISS")) + try: + l2_misses +=3D Event("L2_RQSTS.HWPF_MISS", "L2_RQSTS.L2_PF_MISS", "L= 2_RQSTS.PF_MISS") + except: + pass + + metrics.append(Metric("lpm_cs_l2_misses", "L2 misses per context switc= h", + d_ratio(l2_misses, cs), "l2_misses/cs")) + except: + pass + + return MetricGroup("lpm_cs", metrics, + description =3D ("Number of context switches per seco= nd, instructions " + "retired & core cycles between context= switches")) + + def IntelIlp() -> MetricGroup: tsc =3D Event("msr/tsc/") c0 =3D Event("msr/mperf/") @@ -671,6 +725,7 @@ def main() -> None: Smi(), Tsx(), IntelBr(), + IntelCtxSw(), IntelIlp(), IntelL2(), IntelLdSt(), --=20 2.51.0.338.gd7d06c2dae-goog