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тАО03-13-2009 03:59 AM
тАО03-13-2009 03:59 AM
Mach Factor zero while system is almost idle
Ths system is almost idle today.
vmstat 5
Virtual Memory Statistics: (pagesize = 8192)
procs memory pages intr cpu
r w u act free wire fault cow zero react pin pout in sy cs us sy id
4 245 43 107K 3927 14K 74M 15M 23M 156 16M 298 10 3K 335 0 1 99
3 246 43 107K 3932 14K 276 51 85 0 94 0 4 173 335 0 0 100
3 246 43 107K 3932 14K 4 0 0 0 0 0 12 98 330 0 0 100
uptime -m
12:00 up 34 days, 14:01, 1 user, Mach factor: 0.00, 0.02, 0.00
Why is the Mach factor almost 0? There is no significant system activity. I do not see any problem?
I have verified the error logger:
tail /var/log/messages
evmwatch |evmshow &
cd /var/adm/syslog.dated/current
ls -lrt
tail ...
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тАО03-13-2009 05:13 AM
тАО03-13-2009 05:13 AM
Re: Mach Factor zero while system is almost idle
Martin
A quick resolution to technical issues for your HPE products is just a click away HPE Support Center
See Self Help Post for more details
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тАО03-13-2009 05:28 AM
тАО03-13-2009 05:28 AM
Re: Mach Factor zero while system is almost idle
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тАО03-13-2009 05:57 AM
тАО03-13-2009 05:57 AM
Re: Mach Factor zero while system is almost idle
It is a decimal fraction between 0 (running at maximum capacity) and 1 (completely idle).
Now I get the following values:
uptime
14:49 up 34 days, 16:50, 1 user, load average: 0.00, 0.01, 0.00
uptime -m
14:50 up 34 days, 16:50, 1 user, Mach factor: 0.80, 0.79, 0.77
The Mach factor is higher now (as compaired with the values above) but should be much closer to 1 since the system is nearly completely idle.
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тАО03-13-2009 07:02 AM
тАО03-13-2009 07:02 AM
Re: Mach Factor zero while system is almost idle
However, none of the systems I can access is running V5.1, so it's possible that something has changed in the kernel's calculation of Mach factor. There doesn't seem to be much on it; as far as I can tell, most people look at load average rather than Mach factor.
Martin
A quick resolution to technical issues for your HPE products is just a click away HPE Support Center
See Self Help Post for more details