AMD_PMC_ENABLE
config = pm->pm_md.pm_amd.pm_amd_evsel | AMD_PMC_ENABLE;
config = pm->pm_md.pm_amd.pm_amd_evsel & ~AMD_PMC_ENABLE;
KASSERT((config & ~AMD_PMC_ENABLE) ==
(pm->pm_md.pm_amd.pm_amd_evsel & ~AMD_PMC_ENABLE),
wrmsr(evsel, config & ~AMD_PMC_ENABLE);
#define AMD_PMC_IS_STOPPED(evsel) ((rdmsr((evsel)) & AMD_PMC_ENABLE) == 0)
AMD_PMC_ENABLE | AMD_PMC_INT | AMD_PMC_PC | AMD_PMC_EDGE | \