netdev - Re: Patch for tbench regression.

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Message-ID: <20080929055203.GA3460@2ka.mipt.ru>
Date:	Mon, 29 Sep 2008 09:52:03 +0400
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	netdev@...r.kernel.org,
	Christoph Lameter <cl@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>, David Miller <davem@...emloft.net>,
	Lennert Buytenhek <buytenh@...vell.com>
Subject: Re: Patch for tbench regression.

On Mon, Sep 29, 2008 at 01:40:52PM +0800, Herbert Xu (herbert@...dor.apana.org.au) wrote:
> Are you using Xen FV or PV? What processor?

Can I determine that within guest?
I do not think so except by loking at cpu flags?

$ cat /proc/cpuinfo 
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU           E5345  @ 2.33GHz
stepping	: 11
cpu MHz		: 2333.406
cache size	: 4096 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca
cmov pat clflush dts mmx fxsr sse sse2 ss pbe syscall lm constant_tsc up
pebs bts pni ds_cpl ssse3 cx16 xtpr lahf_lm
bogomips	: 4666.81
clflush size	: 64
power management:

Actually it is a bit strange, if full or paravirtualization affects how
loopback network works, I thought it should only affect communication
between domains?

-- 
	Evgeniy Polyakov
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