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Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic"
From: |
wang.yi59 |
Subject: |
Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic" |
Date: |
Wed, 19 Jul 2017 16:48:23 +0800 (CST) |
>* address@hidden (address@hidden) 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 <address@hidden>
>>
>> >> Signed-off-by: Yun Liu <address@hidden>
>>
>> >
>>
>> >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
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", (continued)
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Dr. David Alan Gilbert, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Eduardo Habkost, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Dr. David Alan Gilbert, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Eduardo Habkost, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Eric Blake, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Daniel P. Berrange, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Eric Blake, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Eduardo Habkost, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Dr. David Alan Gilbert, 2017/07/19
- Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", Eduardo Habkost, 2017/07/19
Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic",
wang.yi59 <=
Re: [Qemu-devel] [PATCH v2] hmp: allow cpu index for "info lapic", wang.yi59, 2017/07/20