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Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 158 +++++++++++++++++++++++++ 1 file changed, 158 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index b181574c9486..9ef30e5d3e25 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -266,6 +266,163 @@ def IntelBr(): description="breakdown of retired branch instructions") +def IntelL2() -> Optional[MetricGroup]: + try: + DC_HIT = Event("L2_RQSTS.DEMAND_DATA_RD_HIT") + except: + return None + try: + DC_MISS = Event("L2_RQSTS.DEMAND_DATA_RD_MISS") + l2_dmnd_miss = DC_MISS + l2_dmnd_rd_all = DC_MISS + DC_HIT + except: + DC_ALL = Event("L2_RQSTS.ALL_DEMAND_DATA_RD") + l2_dmnd_miss = DC_ALL - DC_HIT + l2_dmnd_rd_all = DC_ALL + l2_dmnd_mrate = d_ratio(l2_dmnd_miss, interval_sec) + l2_dmnd_rrate = d_ratio(l2_dmnd_rd_all, interval_sec) + + DC_PFH = None + DC_PFM = None + l2_pf_all = None + l2_pf_mrate = None + l2_pf_rrate = None + try: + DC_PFH = Event("L2_RQSTS.PF_HIT") + DC_PFM = Event("L2_RQSTS.PF_MISS") + l2_pf_all = DC_PFH + DC_PFM + l2_pf_mrate = d_ratio(DC_PFM, interval_sec) + l2_pf_rrate = d_ratio(l2_pf_all, interval_sec) + except: + pass + + DC_RFOH = Event("L2_RQSTS.RFO_HIT") + DC_RFOM = Event("L2_RQSTS.RFO_MISS") + l2_rfo_all = DC_RFOH + DC_RFOM + l2_rfo_mrate = d_ratio(DC_RFOM, interval_sec) + l2_rfo_rrate = d_ratio(l2_rfo_all, interval_sec) + + DC_CH = Event("L2_RQSTS.CODE_RD_HIT") + DC_CM = Event("L2_RQSTS.CODE_RD_MISS") + DC_IN = Event("L2_LINES_IN.ALL") + DC_OUT_NS = None + DC_OUT_S = None + l2_lines_out = None + l2_out_rate = None + wbn = None + isd = None + try: + DC_OUT_NS = Event("L2_LINES_OUT.NON_SILENT", + "L2_LINES_OUT.DEMAND_DIRTY", + "L2_LINES_IN.S") + DC_OUT_S = Event("L2_LINES_OUT.SILENT", + "L2_LINES_OUT.DEMAND_CLEAN", + "L2_LINES_IN.I") + if DC_OUT_S.name == "L2_LINES_OUT.SILENT" and ( + args.model.startswith("skylake") or + args.model == "cascadelakex"): + DC_OUT_S.name = "L2_LINES_OUT.SILENT/any/" + # bring is back to per-CPU + l2_s = Select(DC_OUT_S / 2, Literal("#smt_on"), DC_OUT_S) + l2_ns = DC_OUT_NS + l2_lines_out = l2_s + l2_ns; + l2_out_rate = d_ratio(l2_lines_out, interval_sec); + nlr = max(l2_ns - DC_WB_U - DC_WB_D, 0) + wbn = d_ratio(nlr, interval_sec) + isd = d_ratio(l2_s, interval_sec) + except: + pass + DC_OUT_U = None + l2_pf_useless = None + l2_useless_rate = None + try: + DC_OUT_U = Event("L2_LINES_OUT.USELESS_HWPF") + l2_pf_useless = DC_OUT_U + l2_useless_rate = d_ratio(l2_pf_useless, interval_sec) + except: + pass + DC_WB_U = None + DC_WB_D = None + wbu = None + wbd = None + try: + DC_WB_U = Event("IDI_MISC.WB_UPGRADE") + DC_WB_D = Event("IDI_MISC.WB_DOWNGRADE") + wbu = d_ratio(DC_WB_U, interval_sec) + wbd = d_ratio(DC_WB_D, interval_sec) + except: + pass + + l2_lines_in = DC_IN + l2_code_all = DC_CH + DC_CM + l2_code_rate = d_ratio(l2_code_all, interval_sec) + l2_code_miss_rate = d_ratio(DC_CM, interval_sec) + l2_in_rate = d_ratio(l2_lines_in, interval_sec) + + return MetricGroup("l2", [ + MetricGroup("l2_totals", [ + Metric("l2_totals_in", "L2 cache total in per second", + l2_in_rate, "In/s"), + Metric("l2_totals_out", "L2 cache total out per second", + l2_out_rate, "Out/s") if l2_out_rate else None, + ]), + MetricGroup("l2_rd", [ + Metric("l2_rd_hits", "L2 cache data read hits", + d_ratio(DC_HIT, l2_dmnd_rd_all), "100%"), + Metric("l2_rd_hits", "L2 cache data read hits", + d_ratio(l2_dmnd_miss, l2_dmnd_rd_all), "100%"), + Metric("l2_rd_requests", "L2 cache data read requests per second", + l2_dmnd_rrate, "requests/s"), + Metric("l2_rd_misses", "L2 cache data read misses per second", + l2_dmnd_mrate, "misses/s"), + ]), + MetricGroup("l2_hwpf", [ + Metric("l2_hwpf_hits", "L2 cache hardware prefetcher hits", + d_ratio(DC_PFH, l2_pf_all), "100%"), + Metric("l2_hwpf_misses", "L2 cache hardware prefetcher misses", + d_ratio(DC_PFM, l2_pf_all), "100%"), + Metric("l2_hwpf_useless", "L2 cache hardware prefetcher useless prefetches per second", + l2_useless_rate, "100%") if l2_useless_rate else None, + Metric("l2_hwpf_requests", "L2 cache hardware prefetcher requests per second", + l2_pf_rrate, "100%"), + Metric("l2_hwpf_misses", "L2 cache hardware prefetcher misses per second", + l2_pf_mrate, "100%"), + ]) if DC_PFH else None, + MetricGroup("l2_rfo", [ + Metric("l2_rfo_hits", "L2 cache request for ownership (RFO) hits", + d_ratio(DC_RFOH, l2_rfo_all), "100%"), + Metric("l2_rfo_misses", "L2 cache request for ownership (RFO) misses", + d_ratio(DC_RFOM, l2_rfo_all), "100%"), + Metric("l2_rfo_requests", "L2 cache request for ownership (RFO) requests per second", + l2_rfo_rrate, "requests/s"), + Metric("l2_rfo_misses", "L2 cache request for ownership (RFO) misses per second", + l2_rfo_mrate, "misses/s"), + ]), + MetricGroup("l2_code", [ + Metric("l2_code_hits", "L2 cache code hits", + d_ratio(DC_CH, l2_code_all), "100%"), + Metric("l2_code_misses", "L2 cache code misses", + d_ratio(DC_CM, l2_code_all), "100%"), + Metric("l2_code_requests", "L2 cache code requests per second", + l2_code_rate, "requests/s"), + Metric("l2_code_misses", "L2 cache code misses per second", + l2_code_miss_rate, "misses/s"), + ]), + MetricGroup("l2_evict", [ + MetricGroup("l2_evict_mef_lines", [ + Metric("l2_evict_mef_lines_l3_hot_lru", "L2 evictions M/E/F lines L3 hot LRU per second", + wbu, "HotLRU/s") if wbu else None, + Metric("l2_evict_mef_lines_l3_norm_lru", "L2 evictions M/E/F lines L3 normal LRU per second", + wbn, "NormLRU/s") if wbn else None, + Metric("l2_evict_mef_lines_dropped", "L2 evictions M/E/F lines dropped per second", + wbd, "dropped/s") if wbd else None, + Metric("l2_evict_is_lines_dropped", "L2 evictions I/S lines dropped per second", + isd, "dropped/s") if isd else None, + ]), + ]), + ], description = "L2 data cache analysis") + + def IntelPorts() -> Optional[MetricGroup]: pipeline_events = json.load(open(f"{_args.events_path}/x86/{_args.model}/pipeline.json")) @@ -379,6 +536,7 @@ def main() -> None: Smi(), Tsx(), IntelBr(), + IntelL2(), IntelPorts(), IntelSwpf(), ]) -- 2.44.0.278.ge034bb2e1d-goog