Jan Beulich wrote on 2015-06-18: >>>> On 18.06.15 at 10:53, <yang.z.zh...@intel.com> wrote: >> Jan Beulich wrote on 2015-06-18: >>>>>> On 18.06.15 at 10:20, <jbeul...@suse.com> wrote: >>>> Apart from that I notice that the EXIT_REASON_EOI_INDUCED handling >>>> also adds about the same number of ticks... >>> >>> Are there any other devices in the guest causing meaningful amounts >>> of interrupts (I suppose the SSD itself is using just one)? I ask >>> since I wonder whether e.g. there may be lock contention in > vioapic_update_EOI(). >> >> The EXIT_REASON_EOI_INDUCED is for local apic time. > > ??? (I.e. I don't see the connection between the context and your reply. > Perhaps I'm missing something obvious...)
I mean the lots of EXIT_REASON_EOI_INDUCEDis for local apic time which is edge-trigger. So it will not call vioapic_update_EOI. > > Jan Best regards, Yang _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
