lkml.org 
[lkml]   [2019]   [Dec]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH RESEND v2 15/17] KVM: selftests: Add dirty ring buffer test
From
Date

On 2019/12/21 上午10:04, Peter Xu wrote:
> Add the initial dirty ring buffer test.
>
> The current test implements the userspace dirty ring collection, by
> only reaping the dirty ring when the ring is full.
>
> So it's still running asynchronously like this:


I guess you meant "synchronously" here.

Thanks


>
> vcpu main thread
>
> 1. vcpu dirties pages
> 2. vcpu gets dirty ring full
> (userspace exit)
>
> 3. main thread waits until full
> (so hardware buffers flushed)
> 4. main thread collects
> 5. main thread continues vcpu
>
> 6. vcpu continues, goes back to 1

\
 
 \ /
  Last update: 2019-12-24 07:52    [W:0.164 / U:6.632 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site