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Re: [Qemu-devel] [PATCH v9 14/14] rdma: add pin-all accounting timestamp
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v9 14/14] rdma: add pin-all accounting timestamp to QMP statistics |
Date: |
Sat, 15 Jun 2013 13:32:58 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 |
Il 15/06/2013 05:06, Eric Blake ha scritto:
> On 06/14/2013 09:35 PM, address@hidden wrote:
>> From: "Michael R. Hines" <address@hidden>
>>
>> For very large virtual machines, pinning can take a long time.
>> While this does not affect the migration's *actual* time itself,
>> it is still important for the user to know what's going on and to
>> know what component of the total time is actual taken up by
>> pinning.
>>
>> For example, using a 14GB virtual machine, pinning can take as
>> long as 5 seconds, for which the user would not otherwise know
>> what was happening.
>>
>> Reviewed-by: Paolo Bonzini <address@hidden> Signed-off-by:
>> Michael R. Hines <address@hidden> ---
>
>> +++ b/qapi-schema.json @@ -586,7 +586,8 @@ '*xbzrle-cache':
>> 'XBZRLECacheStats', '*total-time': 'int', '*expected-downtime':
>> 'int', - '*downtime': 'int'} } + '*downtime':
>> 'int', + '*pin-all-time' : 'int'} }
>
> Missing documentation of the new field (compare how @downtime is
> documented as a (since 1.3) field).
>
Can you just time the setup phase instead?
Paolo
- [Qemu-devel] [PATCH v9 00/14] rdma: migration support, mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 08/14] rdma: introduce qemu_ram_foreach_block(), mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 06/14] rdma: export qemu_fflush(), mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 01/14] rdma: add documentation, mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 10/14] rdma: introduce capability x-rdma-pin-all, mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 07/14] rdma: introduce ram_handle_compressed(), mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 14/14] rdma: add pin-all accounting timestamp to QMP statistics, mrhines, 2013/06/14
- Re: [Qemu-devel] [PATCH v9 14/14] rdma: add pin-all accounting timestamp to QMP statistics, Chegu Vinod, 2013/06/16
- [Qemu-devel] [PATCH v9 13/14] rdma: fix mlock() freezes and accounting, mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 09/14] rdma: new QEMUFileOps hooks, mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 03/14] rdma: export yield_until_fd_readable(), mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 02/14] rdma: introduce qemu_update_position(), mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 12/14] rdma: send pc.ram, mrhines, 2013/06/14
- [Qemu-devel] [PATCH v9 11/14] rdma: core logic, mrhines, 2013/06/14