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Date: Wed, 29 Jul 2015 17:03:33 +0200
From: Aurelien Jarno <aurelien@aurel32.net>
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Subject: Re: [Qemu-devel] Debian 7.8.0 SPARC64 on qemu - anything i can do
 to speedup the emulation?
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To: Dennis Luehring <dl.soluz@gmx.net>
Cc: qemu-devel <qemu-devel@nongnu.org>, Artyom Tarasenko <atar4qemu@gmail.com>

On 2015-07-29 10:07, Dennis Luehring wrote:
> currently qemu emulates an TI UltraSparc IIi (Sabre)
> does that mean that qemu emulates the sparc somwhere around 270-480Mhz (i
> can't find the running mhz in qemu)

No, it emulates the TI UltraSparc IIi as fast as it can. It mostly
depends on your host CPU.

> how can i get the Mhz the sparc is running?
> (cpuinfo and lscpu missing Mhz, dmidecode is not available,
> /sys/devices/system/cpu/cpu*/cpufreq/scaling_max_freq is empty, lshw does
> not show anything)

QEMU is not cycle accurate, so that would not mean anything.

> is there a way to increase the clock speed of the cpu/fpu without killing
> other timemings - or switch to a different cpu?
> (because i do not need real speed behavior for my testing)

The easiest (but not the cheapest) is probably to upgrade your host
machine to something faster.

Aurelien

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net