[mythtv-users] How do I measure the processor load?
Wim Fokkens
wimfokkens at planet.nl
Mon Jul 17 17:39:39 UTC 2006
> -----Oorspronkelijk bericht-----
> Van: mythtv-users-bounces at mythtv.org [mailto:mythtv-users-
> bounces at mythtv.org] Namens John Johnson
> Verzonden: zondag 16 juli 2006 22:46
> Aan: Discussion about mythtv
> Onderwerp: Re: [mythtv-users] How do I measure the processor load?
>
> Wim Fokkens wrote:
> > I am running Knoppmyth R5C7 and I would like to know the processor load
> > under various tasks. How do I measure this.
> >
>
> You can use the uptime command:
>
> dell ~ 16:37 john $ uptime
> 16:37:22 up 15 days, 4:53, 5 users, load average: 1.22, 1.15, 1.10
> dell ~ 16:37 john $
>
> The numbers (1.22, 1.15, 1.10) are the loads for the last 1, 5, and 15
> minutes.
>
> If you want a dynamic display, try top:
>
> dell ~ 16:39 john $ top
>
> (screen clears)
>
> top - 16:39:15 up 15 days, 4:55, 5 users, load average: 1.12, 1.14,
> 1.09
> Tasks: 171 total, 5 running, 165 sleeping, 0 stopped, 1 zombie
> Cpu(s): 4.9% us, 1.6% sy, 7.8% ni, 84.1% id, 1.5% wa, 0.1% hi, 0.1%
> si
> Mem: 1034556k total, 964624k used, 69932k free, 282596k buffers
> Swap: 1052248k total, 85468k used, 966780k free, 224204k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
> COMMAND 10663 john 15 0
> 1952 912 668 R 3.9 0.1 0:00.02
> top 1843 root 5 -10
> 0 0 0 S 1.9 0.0 10:55.84
> ivtv-enc 6265 root 15 0
> 83692 54m 5228 S 1.9 5.4 197:47.64
> X 28197 mysql 16 0
> 43952 28m 1880 S 1.9 2.9 4:57.44
> mysqld 1 root 16 0
> 1708 560 484 S 0.0 0.1 0:06.73
> init
>
>
> Sorry, the list just looks like a bunch of crap in the email, but in
> real-life, it updates every second, and you can see who's hogging the
> CPU in the %CPU column, and memory in the %MEM column.
> If you're using a Mac (or, I suppose, BSD), you have to tell it sort by
> the CPU usage, like this:
> top -o cpu
>
> If you look in the MythFrontend in Information Center | System Status |
> Machine Status, you'll see the load averages for the frontend machine,
> as well as the backend.
>
>
> Regards,
> JJ
>
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Hi John
Thanks for the quik reaction.
Do you also know how to write the system load to a logfile with top.
If read about the -b command. But don't know how to use it.
Wim
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