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Re: [Qemu-devel] Following up questions related to QEMU and I/O Thread
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From: |
Wei Li |
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Subject: |
Re: [Qemu-devel] Following up questions related to QEMU and I/O Thread |
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Date: |
Fri, 03 May 2019 09:21:15 -0700 |
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User-agent: |
Microsoft-MacOutlook/10.15.0.190115 |
Got it, thanks Stefan for your clarification!
Wei
On 5/1/19, 9:36 AM, "Stefan Hajnoczi" <address@hidden> wrote:
On Mon, Apr 29, 2019 at 10:56:31AM -0700, Wei Li wrote:
>Does this mean the performance could be improved via adding Batch I/O
submission support in Guest driver side which will be able to reduce the number
of virtqueue kicks?
Yes, I think so. It's not obvious to me how a Linux SCSI driver is
supposed to implement batching though. The .queuecommand API doesn't
seem to include information relevant to batching.
Stefan