Hi,
> -Original Message-
> From: Gerd Hoffmann [mailto:kra...@redhat.com]
> Sent: Monday, April 28, 2014 9:35 PM
> To: Gonglei (Arei)
> Cc: qemu-devel@nongnu.org; Huangweidong (C)
> Subject: Re: [PATCH] uhci: Lower uhci timer freq when guest is idle
>
> On Mo, 2014-04-28 at 12:11 +, G
On Mo, 2014-04-28 at 12:11 +, Gonglei (Arei) wrote:
> Hi, Gerd.
>
> What's your opinion about this issue? Thanks!
qemu 2.0 should not need this.
background info:
https://www.kraxel.org/blog/2014/03/qemu-and-usb-tablet-cpu-consumtion/
cheers,
Gerd
Hi, Gerd.
What's your opinion about this issue? Thanks!
Best regards,
-Gonglei
> -Original Message-
> From: Gonglei (Arei)
> Sent: Wednesday, March 26, 2014 4:15 PM
> To: 'Gerd Hoffmann'
> Cc: qemu-devel@nongnu.org; Huangweidong (C)
> Subject: RE: [PATCH] uhci: Lower uhci timer freq w
> -Original Message-
> From: Gerd Hoffmann [mailto:kra...@redhat.com]
> Sent: Wednesday, March 26, 2014 3:59 PM
> To: Gonglei (Arei)
> Cc: qemu-devel@nongnu.org; Huangweidong (C)
> Subject: Re: [PATCH] uhci: Lower uhci timer freq when guest is idle
>
> On Mi, 2014-03-26 at 11:57 +0800, are
On Mi, 2014-03-26 at 11:57 +0800, arei.gong...@huawei.com wrote:
> From: Gonglei
>
> UHCI emulation polls the device at a freq of 1000HZ, which consumes
> 12~13% CPU even though a Windows guest is completely idle when the guest
> was configed usb1.1 tablet devcie. This solution counts accumulated
From: Gonglei
UHCI emulation polls the device at a freq of 1000HZ, which consumes
12~13% CPU even though a Windows guest is completely idle when the guest
was configed usb1.1 tablet devcie. This solution counts accumulated NAK
packets. when it reaches to 64, then the guest is supposed to be idle
