Re: port-amd64/47967: DTrace does not work while running under QEMU

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

The following reply was made to PR port-amd64/47967; it has been noted by GNATS.

From: Jukka Ruohonen <jruohonen%iki.fi@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-amd64/47967: DTrace does not work while running under QEMU
Date: Wed, 26 Jun 2013 20:49:01 +0300

 On Wed, Jun 26, 2013 at 05:35:00PM +0000, riz%NetBSD.org@localhost wrote:
 > +       if (memcmp("QEMU Virtual CPU", cpu_brand_string, 16) != 0)
 > +               return;
 
 Wouldn't it be better to patch Qemu? Vague string matching in the kernel
 does not seem like a good approach. As our test setup shows, trying match
 Qemu is a bog...
 
 - Jukka.