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Signed-off-by: Ian Rogers Reviewed-by: Sandipan Das --- tools/perf/pmu-events/amd_metrics.py | 33 ++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/a= md_metrics.py index 1611d0e50d03..780e611fe575 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -121,6 +121,38 @@ def AmdBr(): description=3D"breakdown of retired branch instruct= ions") =20 =20 +def AmdCtxSw() -> MetricGroup: + cs =3D Event("context\\-switches") + metrics =3D [ + Metric("lpm_cs_rate", "Context switches per second", + d_ratio(cs, interval_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")) + + ev =3D Event("ls_dispatch.ld_dispatch") + metrics.append(Metric("lpm_cs_loads", "Loads per context switch", + d_ratio(ev, cs), "loads/cs")) + + ev =3D Event("ls_dispatch.store_dispatch") + metrics.append(Metric("lpm_cs_stores", "Stores per context switch", + d_ratio(ev, cs), "stores/cs")) + + ev =3D Event("ex_ret_brn_tkn") + metrics.append(Metric("lpm_cs_br_taken", "Branches taken per context s= witch", + d_ratio(ev, cs), "br_taken/cs")) + + return MetricGroup("lpm_cs", metrics, + description=3D("Number of context switches per seco= nd, instructions " + "retired & core cycles between context= switches")) + + def AmdDtlb() -> Optional[MetricGroup]: global _zen_model if _zen_model >=3D 4: @@ -437,6 +469,7 @@ def main() -> None: =20 all_metrics =3D MetricGroup("", [ AmdBr(), + AmdCtxSw(), AmdDtlb(), AmdItlb(), AmdLdSt(), --=20 2.52.0.158.g65b55ccf14-goog