[CRIU] [RFC 3/3] mem: Start using pagemap cache, v2

Pavel Emelyanov xemul at parallels.com
Fri Feb 14 00:04:03 PST 2014


On 02/14/2014 11:54 AM, Cyrill Gorcunov wrote:
> On Fri, Feb 14, 2014 at 11:49:04AM +0400, Pavel Emelyanov wrote:
>>> Without page cache
>>>
>>> dump: {
>>> 	frozen_time: 27835
>>> }
>>>
>>> With pacge cache
>>>
>>> dump: {
>>> 	frozen_time: 26591
>>> }
>>
>> Why so small difference? Last time it was bigger.
> 
> Last time the algorithm was a way greedy, and didn't
> take into accout the address alignment restriction.
> .

Can you provide 6 numbers, please.

Frozen times for your old algo, this algo and no-cache
on big number of small vmas and mixture of several small
and several huge (more than 2Mb) vmas?

Thanks,
Pavel



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