[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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