diff options
Diffstat (limited to 'tools/perf')
| -rwxr-xr-x | tools/perf/pmu-events/amd_metrics.py | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/amd_metrics.py index b3de74babe40..83e77ccc059e 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -122,6 +122,38 @@ def AmdBr(): description="breakdown of retired branch instructions") +def AmdCtxSw() -> MetricGroup: + cs = Event("context\\-switches") + metrics = [ + Metric("lpm_cs_rate", "Context switches per second", + d_ratio(cs, interval_sec), "ctxsw/s") + ] + + ev = Event("instructions") + metrics.append(Metric("lpm_cs_instr", "Instructions per context switch", + d_ratio(ev, cs), "instr/cs")) + + ev = Event("cycles") + metrics.append(Metric("lpm_cs_cycles", "Cycles per context switch", + d_ratio(ev, cs), "cycles/cs")) + + ev = Event("ls_dispatch.pure_ld", "ls_dispatch.ld_dispatch") + metrics.append(Metric("lpm_cs_loads", "Loads per context switch", + d_ratio(ev, cs), "loads/cs")) + + ev = Event("ls_dispatch.pure_st", "ls_dispatch.store_dispatch") + metrics.append(Metric("lpm_cs_stores", "Stores per context switch", + d_ratio(ev, cs), "stores/cs")) + + ev = Event("ex_ret_brn_tkn") + metrics.append(Metric("lpm_cs_br_taken", "Branches taken per context switch", + d_ratio(ev, cs), "br_taken/cs")) + + return MetricGroup("lpm_cs", metrics, + description=("Number of context switches per second, instructions " + "retired & core cycles between context switches")) + + def AmdDtlb() -> Optional[MetricGroup]: global _zen_model if _zen_model >= 4: @@ -438,6 +470,7 @@ def main() -> None: all_metrics = MetricGroup("", [ AmdBr(), + AmdCtxSw(), AmdDtlb(), AmdItlb(), AmdLdSt(), |