From: Charles Duffy <Charles_Duffy@messageone.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: Performance Monitoring
Date: Wed, 21 May 2008 11:10:58 -0500 [thread overview]
Message-ID: <g11hhk$99u$1@ger.gmane.org> (raw)
In-Reply-To: <3000d2e90805201156g30050a68ve9187e3b94341e99@mail.gmail.com>
Cheif Jones wrote:
> I'm doing a research project in which i want to run an OS under an
> emulator for a period of time and get full CPU opcode statistics (how
> many times every opcode was executed). As far as i understand the Qemu
> design, it is doing "JIT" translation of terget opcode to host opcodes
> to improve performance, and so there is no easy way to count target
> opcodes (e.g a loop is compiled JIT and runs natively).
Is an actual emulator necessary, or could you use something like an
instrumented UML kernel? I'd think that would be a much simpler approach.
next prev parent reply other threads:[~2008-05-21 16:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-20 18:56 [Qemu-devel] Performance Monitoring Cheif Jones
2008-05-20 22:06 ` Paul Brook
2008-05-21 0:09 ` Vince Weaver
2008-05-21 6:41 ` Laurent Desnogues
2008-05-20 22:44 ` Stanislav Shwartsman
2008-05-21 16:10 ` Charles Duffy [this message]
2008-05-22 3:46 ` [Qemu-devel] " Glauber Costa
2008-05-22 6:13 ` Cheif Jones
2008-05-23 3:38 ` Vince Weaver
2008-05-25 12:22 ` Cheif Jones
2008-05-28 0:21 ` Vince Weaver
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