Symbol: IAP_EN
sys/dev/hwpmc/hwpmc_core.c
1045
wrmsr(IAP_EVSEL0 + ri, pm->pm_md.pm_iap.pm_iap_evsel | IAP_EN);
sys/dev/hwpmc/hwpmc_core.c
910
wrmsr(IAP_EVSEL0 + ri, evsel | IAP_EN);