>>> On 31.03.17 at 17:41, <men...@seas.upenn.edu> wrote: > I'm wondering: > How does Xen (vpmu) handle the general performance counter's overflow > interrupt? > Could you point me to the function handler, if Xen does handle it?
Two simple steps take you there: grep for LVTPC to find which vector is being used (PMU_APIC_VECTOR) and then grep for that vector name to find what function's address gets put in the IDT (pmu_apic_interrupt). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel