On Thu, 22 Aug 2013, John P. Rouillard wrote:
> In message <alpine.deb.2.02.1308221357240.12...@nftneq.ynat.uz>,
> David Lang writes:
>
>> On Thu, 22 Aug 2013, John P. Rouillard wrote:
>>> In trying to troubleshoot a problem with an application, I want to
>>> include the prior 10 minutes of iostat info along with the report. I
>>> have the rules to detect the problem in the application but I am not
>>> sure how to capture/report the last 10 minutes of iostat info.
>>>
>>> When I was working with single line vmstat info, I could use this
>>> little action snippet:
>>>
>>> action = add $1_vmstat_data $0 ; \
>>> getsize %size $1_vmstat_data; \
>>> lcall %gt10 %size -> ( sub { $_[0] > 10 } ); \
>>> while %gt10 ( shift $1_vmstat_data %discard; \
>>> getsize %size $1_vmstat_data; \
>>> lcall %gt10 %size -> ( sub { $_[0] > 10 } ); \
>>> ) ;
>>>
>>> to trim the _vmstat_data down to just 10 lines. Since I am shifting
>>> off the old data and adding the new data I get the last 10 minutes.
>>>
>>> I would like to do the same with the iostat data, but it's multiline
>>> data and I don't know how many lines will be in the data (it depends
>>> on the command line values, how many disks are on the servers etc). I
>>> know each report will start with the "avg-cpu:" header line (but a
>>> different pid).
>> I would be looking to limit based on time instead of number of events.
>> Something like 'report the last 10 minutes of iostat' rather than
>> 'report the last 10 iostat sets of output'.
>
> That would work as well.
>
>> I'd have to go back through my saved mail or the list archives, but I
>> seem to remember a recent discussion on how to do a time-based limit
>> like this.
>
> Maybe something with EventGroup??
sounds familiar.
David Lang
------------------------------------------------------------------------------
Introducing Performance Central, a new site from SourceForge and
AppDynamics. Performance Central is your source for news, insights,
analysis and resources for efficient Application Performance Management.
Visit us today!
http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk
_______________________________________________
Simple-evcorr-users mailing list
Simple-evcorr-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/simple-evcorr-users
