[asterisk-users] Is there real benefits on a SMP machine for Asterisk?

[Steve Totaro]

I don't think that is correct.  I am running worldcommunitygrid and this 
is what I get

top - 13:18:56 up 3 days, 22:49, 1 user, load average: 4.00, 4.04, 4.02

Cpu0:0.0%us,0.7%sy,99.3%ni,0.0%id,0.0%wa,0.0%hi,0.0%si,0.0%st
Cpu1:0.0%us,0.0%sy,100.0%ni,0.0%id,0.0%wa,0.0%hi,0.0%si,0.0%st
Cpu2:0.0%us,0.3%sy,98.0%ni,0.0%id,0.0%wa,1.7%hi,0.0%si,0.0%st
Cpu3: 0.0%us,0.7%sy,99.3%ni,0.0%id,0.0%wa,0.0%hi,0.0%si,0.0%st

According to what you are saying my load average should be 100.

Thanks,
Steve

Mik Cheez wrote:
> In 'top', you can always look at what percentage of your CPU is idle. 
> Subtract that from 100 and you've got your load average.
> 
> Cpu(s):  1.1% us,  0.6% sy,  0.0% ni, *98.1% id*,  0.1% wa,  0.1% hi, 
> 0.0% si
> 
> Erik Anderson wrote:
>> On 10/12/07, Philipp Kempgen <philipp.kempgen at amooma.de> wrote:
>>> I don't think there is a formula like
>>> cpu usage = loadavg / #cpus
>>>
>>> A loadavg of 3 says that there are 3 processes waiting to
>>> be executed.
>>>
>>> Anyway, I'll admit that a loadavg of 3 /might/ be ok.
>> Here's a quote from this page:
>> http://en.wikipedia.org/wiki/Load_%28computing%29#Unix-style_load_calculation
>>
>> "For systems with multiple CPUs, the number needs to be divided by the
>> number of processors in order to get a percentage."
>>
>> - Erik
>>
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