From: Klaus Jensen <its@irrelevant.dk>
To: Jinhao Fan <fanjinhao21s@ict.ac.cn>
Cc: qemu-devel@nongnu.org, kbusch@kernel.org, stefanha@gmail.com,
"open list:nvme" <qemu-block@nongnu.org>
Subject: Re: [PATCH v3 3/4] hw/nvme: add iothread support
Date: Thu, 3 Nov 2022 13:11:23 +0100 [thread overview]
Message-ID: <Y2Ov614txesZMtC+@cormorant.local> (raw)
In-Reply-To: <90EFC69D-C01C-4066-B981-8B6C3C90D4C6@ict.ac.cn>
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On Nov 3 09:51, Jinhao Fan wrote:
> at 7:13 PM, Klaus Jensen <its@irrelevant.dk> wrote:
>
> > Otherwise, it all looks fine. I'm still seeing the weird slowdown when
> > an iothread is enabled. I have yet to figure out why that is... But it
> > scales! :)
>
> How much slowdown do you observe on your machine?
>
I'll rerun some experiments and get back to you :)
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next prev parent reply other threads:[~2022-11-03 12:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-27 9:12 [PATCH v3 0/4] irqfd, iothread and polling support Jinhao Fan
2022-08-27 9:12 ` [PATCH v3 1/4] hw/nvme: support irq(de)assertion with eventfd Jinhao Fan
2022-08-27 9:12 ` [PATCH v3 2/4] hw/nvme: use KVM irqfd when available Jinhao Fan
2022-08-27 9:12 ` [PATCH v3 3/4] hw/nvme: add iothread support Jinhao Fan
2022-10-20 11:13 ` Klaus Jensen
2022-11-03 1:51 ` Jinhao Fan
2022-11-03 12:11 ` Klaus Jensen [this message]
2022-11-03 13:10 ` Jinhao Fan
2022-08-27 9:12 ` [PATCH v3 4/4] hw/nvme: add polling support Jinhao Fan
2022-10-20 11:10 ` Klaus Jensen
2022-11-03 2:18 ` Jinhao Fan
2022-11-03 12:10 ` Klaus Jensen
2022-11-03 13:19 ` Jinhao Fan
2022-11-04 6:32 ` Klaus Jensen
2022-11-08 12:39 ` John Levon
2022-11-08 14:11 ` Klaus Jensen
2022-11-09 4:35 ` Jinhao Fan
2022-10-20 11:16 ` [PATCH v3 0/4] irqfd, iothread and " Klaus Jensen
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