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From: "Benoît Canet" <benoit.canet@irqsave.net>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Benoît Canet" <benoit.canet@irqsave.net>,
	"Erik Rull" <erik.rull@rdsoftware.de>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"Stefan Hajnoczi" <stefanha@gmail.com>
Subject: Re: [Qemu-devel] Boot Problems Windows XP guest
Date: Wed, 28 Aug 2013 16:05:24 +0200	[thread overview]
Message-ID: <20130828140524.GD6170@irqsave.net> (raw)
In-Reply-To: <521E0247.7060202@redhat.com>

> Yes, I'm afraid that the burst is problematic here since the current
> throttling algorithm doesn't help (and IIUC it behaves as if it had
> max=avg/10 due to the 100ms slice time).  This is Windows so no CFQ
> here.  Do you need to set bps_max=1 or will bps_max=0 work too?

In it's current state the code will overwrite the burst if it's set smaller than
avg/10.
The result will be a small initial spike of size avg/10 then it will cap to avg.

Best regards

Benoît

  reply	other threads:[~2013-08-28 14:03 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-26  9:52 [Qemu-devel] Boot Problems Windows XP guest Erik Rull
2013-08-27  7:38 ` Stefan Hajnoczi
2013-08-27 20:26   ` Erik Rull
2013-08-27 21:31     ` Paolo Bonzini
2013-08-27 21:37       ` Anthony Liguori
2013-08-28  8:05         ` Erik Rull
2013-08-28 11:05         ` Paolo Bonzini
2013-08-28  7:50       ` Stefan Hajnoczi
2013-08-28  9:07         ` Erik Rull
2013-08-28 13:14           ` Paolo Bonzini
2013-08-28 13:34             ` Benoît Canet
2013-08-28 13:41               ` Paolo Bonzini
2013-08-28 13:51                 ` Benoît Canet
2013-08-28 13:59                   ` Paolo Bonzini
2013-08-28 14:05                     ` Benoît Canet [this message]
2013-08-28 14:05                       ` Paolo Bonzini
2013-08-28 14:26                         ` Benoît Canet
2013-08-28 18:21                           ` Erik Rull
2013-08-28 18:40                             ` Benoît Canet
2013-08-28 19:22                               ` Erik Rull
2013-08-29  7:53                                 ` Erik Rull
2013-08-29  9:25                                   ` Benoît Canet
2013-08-29 14:51                                     ` Erik Rull
2013-08-29 14:55                                       ` Paolo Bonzini
2013-08-29 15:31                                         ` Erik Rull
2013-08-28 13:19           ` Stefan Hajnoczi

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