* [Qemu-devel] cpu-speed
@ 2007-05-26 13:03 Christian Buhtz
2007-05-26 13:28 ` Paul Brook
0 siblings, 1 reply; 2+ messages in thread
From: Christian Buhtz @ 2007-05-26 13:03 UTC (permalink / raw)
To: qemu-devel
Is it possible to manipulate the cpu-speed down?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] cpu-speed
2007-05-26 13:03 [Qemu-devel] cpu-speed Christian Buhtz
@ 2007-05-26 13:28 ` Paul Brook
0 siblings, 0 replies; 2+ messages in thread
From: Paul Brook @ 2007-05-26 13:28 UTC (permalink / raw)
To: qemu-devel; +Cc: Christian Buhtz
On Saturday 26 May 2007, Christian Buhtz wrote:
> Is it possible to manipulate the cpu-speed down?
No. qemu is not cycle accurate, and has no useful way of measuring effective
emulated CPU speed. A direct implication of this is that it is not meaningful
to try and regulate the "speed" of the emulated cpu.
You can of course use the facilities provided by your host OS to regulate the
amount of host CPU time qemu gets.
Paul
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-05-26 13:03 [Qemu-devel] cpu-speed Christian Buhtz
2007-05-26 13:28 ` Paul Brook
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