Re: [Qemu-devel] [PATCH 08/12] migration: do not flush_compressed_data at the end of each iteration

2018-07-18 Thread Xiao Guangrong
On 07/14/2018 02:01 AM, Dr. David Alan Gilbert wrote: * guangrong.x...@gmail.com (guangrong.x...@gmail.com) wrote: From: Xiao Guangrong flush_compressed_data() needs to wait all compression threads to finish their work, after that all threads are free until the migration feed new request to

Re: [Qemu-devel] [PATCH 08/12] migration: do not flush_compressed_data at the end of each iteration

2018-07-13 Thread Dr. David Alan Gilbert
* guangrong.x...@gmail.com (guangrong.x...@gmail.com) wrote: > From: Xiao Guangrong > > flush_compressed_data() needs to wait all compression threads to > finish their work, after that all threads are free until the > migration feed new request to them, reducing its call can improve > the through

[Qemu-devel] [PATCH 08/12] migration: do not flush_compressed_data at the end of each iteration

2018-06-04 Thread guangrong . xiao
From: Xiao Guangrong flush_compressed_data() needs to wait all compression threads to finish their work, after that all threads are free until the migration feed new request to them, reducing its call can improve the throughput and use CPU resource more effectively We do not need to flush all th