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The implementation uses the M2M and CHA PMUs present in server models broadwellde, broadwellx cascadelakex, emeraldrapids, icelakex, sapphirerapids and skylakex. Signed-off-by: Ian Rogers Tested-by: Thomas Falcon --- tools/perf/pmu-events/intel_metrics.py | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events= /intel_metrics.py index 983e5021f3d3..24ceb7f8719b 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -815,6 +815,41 @@ def IntelLdSt() -> Optional[MetricGroup]: ], description=3D"Breakdown of load/store instructions") =20 =20 +def UncoreDir() -> Optional[MetricGroup]: + try: + m2m_upd =3D Event("UNC_M2M_DIRECTORY_UPDATE.ANY") + m2m_hits =3D Event("UNC_M2M_DIRECTORY_HIT.DIRTY_I") + # Turn the umask into a ANY rather than DIRTY_I filter. + m2m_hits.name +=3D "/umask=3D0xFF,name=3DUNC_M2M_DIRECTORY_HIT.ANY= /" + m2m_miss =3D Event("UNC_M2M_DIRECTORY_MISS.DIRTY_I") + # Turn the umask into a ANY rather than DIRTY_I filter. + m2m_miss.name +=3D "/umask=3D0xFF,name=3DUNC_M2M_DIRECTORY_MISS.AN= Y/" + cha_upd =3D Event("UNC_CHA_DIR_UPDATE.HA") + # Turn the umask into a ANY rather than HA filter. + cha_upd.name +=3D "/umask=3D3,name=3DUNC_CHA_DIR_UPDATE.ANY/" + except: + return None + + m2m_total =3D m2m_hits + m2m_miss + upd =3D m2m_upd + cha_upd # in cache lines + upd_r =3D upd / interval_sec + look_r =3D m2m_total / interval_sec + + scale =3D 64 / 1_000_000 # Cache lines to MB + return MetricGroup("lpm_dir", [ + Metric("lpm_dir_lookup_rate", "", + d_ratio(m2m_total, interval_sec), "requests/s"), + Metric("lpm_dir_lookup_hits", "", + d_ratio(m2m_hits, m2m_total), "100%"), + Metric("lpm_dir_lookup_misses", "", + d_ratio(m2m_miss, m2m_total), "100%"), + Metric("lpm_dir_update_requests", "", + d_ratio(m2m_upd + cha_upd, interval_sec), "requests/s"), + Metric("lpm_dir_update_bw", "", + d_ratio(m2m_upd + cha_upd, interval_sec), f"{scale}MB/s"), + ]) + + def UncoreMem() -> Optional[MetricGroup]: try: loc_rds =3D Event("UNC_CHA_REQUESTS.READS_LOCAL", @@ -944,6 +979,7 @@ def main() -> None: IntelMlp(), IntelPorts(), IntelSwpf(), + UncoreDir(), UncoreMem(), UncoreMemBw(), ]) --=20 2.52.0.158.g65b55ccf14-goog