Re: [libvirt-users] [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic"

>* wang.yi59(a)zte.com.cn (wang.yi59(a)zte.com.cn) wrote: >> Hi Eduardo, >> >> Thank you for your reply! >> >> >On Mon, Jul 17, 2017 at 09:49:37PM -0400, Yi Wang wrote: >> >> >> Add [vcpu] index support for hmp command "info lapic", which is >> >> >> useful when debugging ipi and so on. Current behavior is not >> >> >> changed when the parameter isn't specified. >> >> >> >> >> >> Signed-off-by: Yi Wang <wang.yi59(a)zte.com.cn&gt; >> >> >> Signed-off-by: Yun Liu <liu.yunh(a)zte.com.cn&gt; >> >> > >> >> >We have 8 monitor commands (see below) that use the CPU set by >> >the "cpu" command (mon_get_cpu()) as input. Why is "info lapic" >> >special? >> >> When we debugging a problem of ipi, we wanted to verify lapic info >> on each vCPU, but we found that we could only get vCPU 0's lapic >> through "info lapic", so we supposed this patch could help those >> who have the same problem as us. > >I think Eduardo's point is that you can already do: > cpu 0 > info lapic > cpu 1 > info lapic Yes, I get it, thank you. The reason of the problem we met is that we use "virsh qemu-monitor-command", so the 'cpu' command didn't work.

--- Best wishes Yi Wang