Re: kernel-x64-smp-multiprocessor-time util problem
From: Bernd Petrovitsch
Date: Mon Jun 19 2006 - 19:15:49 EST
On Mon, 2006-06-19 at 18:04 -0500, art@xxxxxxxxxx wrote:
> on dual core amd-athlon under 64bit-smp core
>
> kernel compilation time:
>
> time make -j 8
> ...
> LD [M] sound/usb/snd-usb-lib.ko
> LD [M] sound/usb/usx2y/snd-usb-usx2y.ko
>
> real 18m0.948s
> user 26m6.270s ------bad
> sys 4m22.256s ------?bad
> [xxx@localhost linux-2.6.17]$
> --- real-clock time is ~18 min -- user and system time doubled?
How many virtual CPUs (i.e. HT is "2 CPUs") do you have in that machine?
Bernd
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