[mythtv-users] How do I measure the processor load?

[Paul Andreassen]

On Tue, 18 Jul 2006 03:39 am, Wim Fokkens wrote:
> > -----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
> >
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
> 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

vmstat 2 > log_file.txt

is probably what you want.
Paul
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