From: Anthony Liguori <anthony@codemonkey.ws>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] starting qemu vnc session on a pre-allocated port
Date: Sun, 24 Jun 2007 17:40:22 -0500 [thread overview]
Message-ID: <467EF2D6.90501@codemonkey.ws> (raw)
In-Reply-To: <467EE5E0.5010605@codefidence.com>
Shahar Livne wrote:
> Hi Anthony,
>
> Thanks for your comment.
>
> The problem with the solution you suggest is that all VNC traffic will
> be first sent to the unix domain socket, and then copied to the TCP
> socket. This double work may be acceptable if we're talking about one
> instance of qemu, but as I said, I run many concurrent sessions which
> create too much load. In the solution I suggest, this extra copying is
> not needed.
You're optimizing prematurely. The overhead of the copy is negligible
for something like VNC. Under normal circumstances, we're talking about
30-100k/s. During idle usage, the bandwidth drops to almost nothing.
Regards,
Anthony Liguori
> Regards,
> Shahar
>
>
>
next prev parent reply other threads:[~2007-06-24 22:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-24 13:05 [Qemu-devel] [PATCH] starting qemu vnc session on a pre-allocated port Shahar Livne
2007-06-24 14:07 ` Anthony Liguori
2007-06-24 21:45 ` Shahar Livne
2007-06-24 22:40 ` Anthony Liguori [this message]
2007-06-25 8:28 ` Gilad Ben-Yossef
2007-06-25 11:55 ` Anthony Liguori
2007-06-26 10:17 ` Gilad Ben-Yossef
2007-06-26 10:48 ` Jannes Faber
2007-06-28 15:25 ` Anthony Liguori
2007-06-30 21:15 ` Gilad Ben-Yossef
2007-07-01 15:33 ` Anthony Liguori
2007-06-24 19:16 ` Paul Brook
2007-06-24 20:12 ` Anthony Liguori
-- strict thread matches above, loose matches on Subject: below --
2007-06-25 14:58 n schembr
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