Re: [RFC v4 3/3] migration: reduce time of loading non-iterable vmstate

2023-01-03 Thread Chuang Xu
On 2022/12/24 上午12:06, David Hildenbrand wrote: On 23.12.22 15:23, Chuang Xu wrote: The duration of loading non-iterable vmstate accounts for a significant portion of downtime (starting with the timestamp of source qemu stop and ending with the timestamp of target qemu start). Most of the time is

Re: [RFC v4 3/3] migration: reduce time of loading non-iterable vmstate

2022-12-23 Thread David Hildenbrand
On 23.12.22 15:23, Chuang Xu wrote: The duration of loading non-iterable vmstate accounts for a significant portion of downtime (starting with the timestamp of source qemu stop and ending with the timestamp of target qemu start). Most of the time is spent committing memory region changes repeated

[RFC v4 3/3] migration: reduce time of loading non-iterable vmstate

2022-12-23 Thread Chuang Xu
The duration of loading non-iterable vmstate accounts for a significant portion of downtime (starting with the timestamp of source qemu stop and ending with the timestamp of target qemu start). Most of the time is spent committing memory region changes repeatedly. This patch packs all the changes