Subject: Re: Veriexec enabled by default
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
From: Elad Efrat <elad@NetBSD.org>
List: tech-kern
Date: 10/27/2006 13:54:18
YAMAMOTO Takashi wrote:
>> Jason Thorpe wrote:
>>
>>> What is the performance impact of "in there, but not enabled"?
>> Okay, I ran lmbench multiple times on my GENERIC+DIAGNOSTIC+LOCKDEBUG
>> kernel. The "no-veriexec" results are when Veriexec options are not even
>> compiled in the kernel. The "veriexec-nop" results are when Veriexec is
>> compiled in, but not used.
>>
>> no-veriexec-1:Process fork+exit: 1300.6000 microseconds
>> no-veriexec-1:Process fork+execve: 2558.3333 microseconds
>> no-veriexec-1:Process fork+/bin/sh -c: 5557.0000 microseconds
> 
> what do -1, -2, -3 mean?

three consecutive runs?

-e.

-- 
Elad Efrat