diff options
Diffstat (limited to 'tools/perf')
| -rwxr-xr-x | tools/perf/pmu-events/intel_metrics.py | 87 |
1 files changed, 86 insertions, 1 deletions
diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index d190d97f4aff..19a284b4c520 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -8,7 +8,7 @@ import re from typing import Optional from metric import (d_ratio, has_event, max, CheckPmu, Event, JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, Literal, LoadEvents, - Metric, MetricGroup, MetricRef, Select) + Metric, MetricConstraint, MetricGroup, MetricRef, Select) # Global command line arguments. _args = None @@ -525,6 +525,90 @@ def IntelSwpf() -> Optional[MetricGroup]: ], description="Software prefetch instruction breakdown") +def IntelLdSt() -> Optional[MetricGroup]: + if _args.model in [ + "bonnell", + "nehalemep", + "nehalemex", + "westmereep-dp", + "westmereep-sp", + "westmereex", + ]: + return None + LDST_LD = Event("MEM_INST_RETIRED.ALL_LOADS", "MEM_UOPS_RETIRED.ALL_LOADS") + LDST_ST = Event("MEM_INST_RETIRED.ALL_STORES", + "MEM_UOPS_RETIRED.ALL_STORES") + LDST_LDC1 = Event(f"{LDST_LD.name}/cmask=1/") + LDST_STC1 = Event(f"{LDST_ST.name}/cmask=1/") + LDST_LDC2 = Event(f"{LDST_LD.name}/cmask=2/") + LDST_STC2 = Event(f"{LDST_ST.name}/cmask=2/") + LDST_LDC3 = Event(f"{LDST_LD.name}/cmask=3/") + LDST_STC3 = Event(f"{LDST_ST.name}/cmask=3/") + ins = Event("instructions") + LDST_CYC = Event("CPU_CLK_UNHALTED.THREAD", + "CPU_CLK_UNHALTED.CORE_P", + "CPU_CLK_UNHALTED.THREAD_P") + LDST_PRE = None + try: + LDST_PRE = Event("LOAD_HIT_PREFETCH.SWPF", "LOAD_HIT_PRE.SW_PF") + except: + pass + LDST_AT = None + try: + LDST_AT = Event("MEM_INST_RETIRED.LOCK_LOADS") + except: + pass + cyc = LDST_CYC + + ld_rate = d_ratio(LDST_LD, interval_sec) + st_rate = d_ratio(LDST_ST, interval_sec) + pf_rate = d_ratio(LDST_PRE, interval_sec) if LDST_PRE else None + at_rate = d_ratio(LDST_AT, interval_sec) if LDST_AT else None + + ldst_ret_constraint = MetricConstraint.GROUPED_EVENTS + if LDST_LD.name == "MEM_UOPS_RETIRED.ALL_LOADS": + ldst_ret_constraint = MetricConstraint.NO_GROUP_EVENTS_NMI + + return MetricGroup("lpm_ldst", [ + MetricGroup("lpm_ldst_total", [ + Metric("lpm_ldst_total_loads", "Load/store instructions total loads", + ld_rate, "loads"), + Metric("lpm_ldst_total_stores", "Load/store instructions total stores", + st_rate, "stores"), + ]), + MetricGroup("lpm_ldst_prcnt", [ + Metric("lpm_ldst_prcnt_loads", "Percent of all instructions that are loads", + d_ratio(LDST_LD, ins), "100%"), + Metric("lpm_ldst_prcnt_stores", "Percent of all instructions that are stores", + d_ratio(LDST_ST, ins), "100%"), + ]), + MetricGroup("lpm_ldst_ret_lds", [ + Metric("lpm_ldst_ret_lds_1", "Retired loads in 1 cycle", + d_ratio(max(LDST_LDC1 - LDST_LDC2, 0), cyc), "100%", + constraint=ldst_ret_constraint), + Metric("lpm_ldst_ret_lds_2", "Retired loads in 2 cycles", + d_ratio(max(LDST_LDC2 - LDST_LDC3, 0), cyc), "100%", + constraint=ldst_ret_constraint), + Metric("lpm_ldst_ret_lds_3", "Retired loads in 3 or more cycles", + d_ratio(LDST_LDC3, cyc), "100%"), + ]), + MetricGroup("lpm_ldst_ret_sts", [ + Metric("lpm_ldst_ret_sts_1", "Retired stores in 1 cycle", + d_ratio(max(LDST_STC1 - LDST_STC2, 0), cyc), "100%", + constraint=ldst_ret_constraint), + Metric("lpm_ldst_ret_sts_2", "Retired stores in 2 cycles", + d_ratio(max(LDST_STC2 - LDST_STC3, 0), cyc), "100%", + constraint=ldst_ret_constraint), + Metric("lpm_ldst_ret_sts_3", "Retired stores in 3 more cycles", + d_ratio(LDST_STC3, cyc), "100%"), + ]), + Metric("lpm_ldst_ld_hit_swpf", "Load hit software prefetches per second", + pf_rate, "swpf/s") if pf_rate else None, + Metric("lpm_ldst_atomic_lds", "Atomic loads per second", + at_rate, "loads/s") if at_rate else None, + ], description="Breakdown of load/store instructions") + + def main() -> None: global _args @@ -556,6 +640,7 @@ def main() -> None: Tsx(), IntelBr(), IntelL2(), + IntelLdSt(), IntelPorts(), IntelSwpf(), ]) |