Re: [PATCH v2] migration/throttle: Add cpu-throttle-tailslow migration parameter

2020-03-31 Thread zhukeqian
Hi Eric, On 2020/3/31 23:03, Eric Blake wrote: > On 3/15/20 11:29 PM, Keqian Zhu wrote: >> At the tail stage of throttling, the Guest is very sensitive to >> CPU percentage while the @cpu-throttle-increment is excessive >> usually at tail stage. >> >> If this parameter is true, we will compute the

Re: [PATCH v2] migration/throttle: Add cpu-throttle-tailslow migration parameter

2020-03-31 Thread Eric Blake
On 3/15/20 11:29 PM, Keqian Zhu wrote: At the tail stage of throttling, the Guest is very sensitive to CPU percentage while the @cpu-throttle-increment is excessive usually at tail stage. If this parameter is true, we will compute the ideal CPU percentage used by the Guest, which may exactly mak

Re: [PATCH v2] migration/throttle: Add cpu-throttle-tailslow migration parameter

2020-03-31 Thread zhukeqian
Friendly ping... Hi all, Could you please review this patch. Thanks very much. Thanks, Keqian On 2020/3/16 12:29, Keqian Zhu wrote: > At the tail stage of throttling, the Guest is very sensitive to > CPU percentage while the @cpu-throttle-increment is excessive > usually at tail stage. > > If

[PATCH v2] migration/throttle: Add cpu-throttle-tailslow migration parameter

2020-03-15 Thread Keqian Zhu
At the tail stage of throttling, the Guest is very sensitive to CPU percentage while the @cpu-throttle-increment is excessive usually at tail stage. If this parameter is true, we will compute the ideal CPU percentage used by the Guest, which may exactly makes dirty rate to be dirty rate threshold.