diff options
| -rwxr-xr-x | tools/perf/pmu-events/amd_metrics.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/amd_metrics.py index 38948f63cb52..8fb0b55074a2 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -122,6 +122,54 @@ def AmdBr(): description="breakdown of retired branch instructions") +def AmdItlb(): + global _zen_model + l2h = Event("bp_l1_tlb_miss_l2_tlb_hit", "bp_l1_tlb_miss_l2_hit") + l2m = Event("l2_itlb_misses") + l2r = l2h + l2m + + itlb_l1_mg = None + l1m = l2r + if _zen_model <= 3: + l1r = Event("ic_fw32") + l1h = max(l1r - l1m, 0) + itlb_l1_mg = MetricGroup("lpm_itlb_l1", [ + Metric("lpm_itlb_l1_hits", + "L1 ITLB hits as a perecentage of L1 ITLB accesses.", + d_ratio(l1h, l1h + l1m), "100%"), + Metric("lpm_itlb_l1_miss", + "L1 ITLB misses as a perecentage of L1 ITLB accesses.", + d_ratio(l1m, l1h + l1m), "100%"), + Metric("lpm_itlb_l1_reqs", + "The number of 32B fetch windows transferred from IC pipe to DE " + "instruction decoder per second.", d_ratio( + l1r, interval_sec), + "windows/sec"), + ]) + + return MetricGroup("lpm_itlb", [ + MetricGroup("lpm_itlb_ov", [ + Metric("lpm_itlb_ov_insn_bt_l1_miss", + "Number of instructions between l1 misses", d_ratio( + ins, l1m), "insns"), + Metric("lpm_itlb_ov_insn_bt_l2_miss", + "Number of instructions between l2 misses", d_ratio( + ins, l2m), "insns"), + ]), + itlb_l1_mg, + MetricGroup("lpm_itlb_l2", [ + Metric("lpm_itlb_l2_hits", + "L2 ITLB hits as a percentage of all L2 ITLB accesses.", + d_ratio(l2h, l2r), "100%"), + Metric("lpm_itlb_l2_miss", + "L2 ITLB misses as a percentage of all L2 ITLB accesses.", + d_ratio(l2m, l2r), "100%"), + Metric("lpm_itlb_l2_reqs", "ITLB accesses per second.", + d_ratio(l2r, interval_sec), "accesses/sec"), + ]), + ], description="Instruction TLB breakdown") + + def AmdUpc() -> Metric: ops = Event("ex_ret_ops", "ex_ret_cops") upc = d_ratio(ops, smt_cycles) @@ -188,6 +236,7 @@ def main() -> None: all_metrics = MetricGroup("", [ AmdBr(), + AmdItlb(), AmdUpc(), Idle(), Rapl(), |