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From: Aurelien Jarno <aurelien@aurel32.net>
To: Dennis Luehring <dl.soluz@gmx.net>
Cc: qemu-devel <qemu-devel@nongnu.org>,
	Artyom Tarasenko <atar4qemu@gmail.com>
Subject: Re: [Qemu-devel] Debian 7.8.0 SPARC64 on qemu - anything i can do to speedup the emulation?
Date: Wed, 29 Jul 2015 17:03:33 +0200	[thread overview]
Message-ID: <20150729150333.GP11361@aurel32.net> (raw)
In-Reply-To: <55B889B2.2040609@gmx.net>

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

  reply	other threads:[~2015-07-29 15:03 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-28  7:52 [Qemu-devel] Debian 7.8.0 SPARC64 on qemu - anything i can do to speedup the emulation? Dennis Luehring
2015-07-28  9:54 ` Artyom Tarasenko
2015-07-29  6:20   ` Dennis Luehring
2015-07-29  8:23     ` Artyom Tarasenko
2015-07-29 15:01     ` Aurelien Jarno
2015-07-30  3:52       ` Dennis Luehring
2015-07-30  7:52         ` Aurelien Jarno
2015-07-30  8:16           ` Dennis Luehring
2015-07-30  8:42             ` Artyom Tarasenko
2015-07-30  8:55             ` Aurelien Jarno
2015-07-30  9:35               ` Artyom Tarasenko
2015-07-30 10:09                 ` Aurelien Jarno
2015-07-30 18:21                   ` Dennis Luehring
2015-07-30 15:50               ` Aurelien Jarno
2015-07-31 15:31                 ` Artyom Tarasenko
2015-07-31 15:43                   ` Aurelien Jarno
2015-08-02 13:11                     ` Mark Cave-Ayland
2015-08-03  8:31                     ` Artyom Tarasenko
2015-08-03  9:17                       ` Aurelien Jarno
2015-08-18  9:24                         ` Artyom Tarasenko
2015-08-18 17:55                           ` Richard Henderson
2015-08-19 10:41                             ` Artyom Tarasenko
2015-08-19 11:00                               ` Aurelien Jarno
2015-08-19 14:41                                 ` Artyom Tarasenko
2015-08-20  5:22                                   ` Dennis Luehring
2015-08-20 10:40                                     ` Artyom Tarasenko
2015-08-20 17:19                                   ` Richard Henderson
2015-08-21  4:32                                     ` Dennis Luehring
2015-08-21  5:49                                       ` Richard Henderson
2015-08-21  6:05                                         ` Dennis Luehring
2015-08-21 15:47                                           ` Richard Henderson
2015-08-21 16:13                                             ` Aurelien Jarno
2015-08-21 16:41                                             ` Dennis Luehring
2015-08-22 16:45                                     ` Artyom Tarasenko
2015-08-22 17:47                                       ` Dennis Luehring
2015-08-22 18:53                                         ` Artyom Tarasenko
2015-08-23 12:11                                           ` Dennis Luehring
2015-08-23  0:41                                       ` Richard Henderson
2015-08-26 16:17                                         ` Artyom Tarasenko
2015-08-26 19:47                                           ` Richard Henderson
2015-08-27  5:54                                             ` Dennis Luehring
2015-08-27 15:04                                               ` Richard Henderson
2015-08-27 15:58                                             ` Artyom Tarasenko
2015-08-17 11:32                     ` Dennis Luehring
2015-08-03  7:58               ` Dennis Luehring
2015-08-03 14:51               ` Dennis Luehring
2015-08-03 15:59                 ` Karel Gardas
2015-08-03 19:51                   ` Dennis Luehring
2015-08-06  9:00                     ` Karel Gardas
2015-08-06  9:21                       ` Dennis Luehring
2015-08-06  9:27                         ` Dennis Luehring
2015-08-06 12:50                           ` Karel Gardas
2015-08-06 16:35                             ` Dennis Luehring
2015-08-18  4:25                       ` Dennis Luehring
2015-08-18  8:19                         ` Aurelien Jarno
2015-08-18 10:39                           ` Dennis Luehring
2015-08-18 11:21                           ` Dennis Luehring
     [not found]                         ` <CAMO55fkcW1eOaZSz2MJgqZEP29pTuHvTLe0Kna5eHYfg7cFyPA@mail.gmail.com>
2015-08-19  4:28                           ` Dennis Luehring
2015-07-29  8:07   ` Dennis Luehring
2015-07-29 15:03     ` Aurelien Jarno [this message]
2015-07-29  9:17 ` Karel Gardas
2015-07-29 10:20   ` Dennis Luehring
2015-07-29 13:45     ` Karel Gardas
2015-07-29 15:13       ` Aurelien Jarno
2015-07-29 10:55   ` Dennis Luehring
2015-07-29 12:34     ` Karel Gardas
2015-07-29 12:38       ` Karel Gardas
2015-07-29 13:55       ` Dennis Luehring
2015-07-29 14:41         ` Karel Gardas
2015-07-30  3:47           ` Dennis Luehring
2015-07-30  7:12             ` Paolo Bonzini
2015-07-30  8:31               ` Artyom Tarasenko
2015-08-02 19:12                 ` Alex Bennée
2015-07-30  7:55             ` Aurelien Jarno
2015-08-17 14:19               ` Artyom Tarasenko
2015-08-17 15:40                 ` Richard Henderson
2015-08-17 16:25                   ` Artyom Tarasenko
2015-08-17 21:08                     ` Aurelien Jarno
2015-08-27 15:29 ` Artyom Tarasenko
2015-09-02  4:34   ` Dennis Luehring

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