monitor cpu usage...

[Craig A]

Hi Jayson,
   Thanks for the suggestion but '-C' just limited it to the 4 processes
that I'm interested in, but it still says "OK".    Reducing "-w" to "1" is
the only way i can get a warning out.... even though top is still showing
the offending process pinned around 100% and it's not yo-yo'ing.....

On Mon, Dec 15, 2008 at 5:45 PM, Jayson Broughton <jbroughton at truecos.com>wrote:

>  How about the –C flag?
>
>
>
> ./check_proc –w 10 –c 20 –C *ApplicationName *–metric=CPU
>
>
>
> ~Jayson
>
>
>
>
>
> *From:* Craig A [mailto:tabmow99 at gmail.com]
> *Sent:* Monday, December 15, 2008 2:01 PM
> *To:* nagios-users at lists.sourceforge.net
> *Subject:* [Nagios-users] monitor cpu usage...
>
>
>
> Hi all,
>    I've looked at the documentation, at the mailling lists, and googled
> around, and don't explicitly see it so thought i'd try here....
>
> On our system, I've set up nagios and it's monitoring a few things (http,
> etc) just fine.   However, one of our applications is giving us grief and
> sometimes starts consuming >80% of a cpu (it's a quad-core machine).   So
> i'd like to set up a monitor to see how often this happens and to get
> notified.   Looking around, it seems like 'check_procs' with the CPU metric
> should do what i want.
>
> However, it doesn't seem to behave quite as I'd expect.   If I look at
> 'top' on this linux system, for our 'problem' application, i see this (and
> it will be constant like this for > 1 hour):
> *
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> 20022 ourapp   18   0 1428m 1.0g  13m S  104 25.7 442:18.39 java*
>
>
> So when I run this command, I'd expect to see 1 process flagged:
>
> *[root at ours libexec]# ./check_procs -w 10 -c 20 --metric=CPU
> CPU OK: 173 processes
> *
>
> I've tried adding the '-u' flag but made no difference.  Is there something
> I'm missing if I want to capture and be notified when a process goes above a
> certain CPU usuage (ie. 80%)?
> Any help or information you could provide would be appreciated.
>
> Thanks
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