Menu
▾
▴
[Perfparse-devel-int] RE: [Perfparse-users] perfparsed & CPU usage
|
From: Yves <yme...@pe...> - 2004-11-30 09:37:12
|
> The "perfparse-0.104.1ym1" is > Not found on > http://pagesperso.laposte.net/ymettier/perfparse-devel You found it thanks to my other email :) For the doc, check the last version here : http://pagesperso.laposte.net/ymettier/perfparse-devel/perfparse-doc/ ("Install guide in one html page per section" in not available yet) Ben, this will be in 0.104.1ym2 for future 0.104.2 :) Comments below... > I did check out the perfparse-doc while I was there. > Here is some suggestions to hopefully > To help improve the documentation for: > > Chapter5: Method 4. > > To create a perfparse.cfg config file using the defaults: > ./perfparsed --show_config # To see current config. > Or to create a new 1 to compare to current: > ./perfparsed --show_config > /var/tmp/perfparse.cfg Those lines were improved and moved to the chapter <using perfparse> :) > With nagios-1.2 edit misccommands.cfg and comment out the following > Definitions for host and service performance data: > Define command{ > command_name process-host-perfdata > .... > } > and > > Define command{ > Command_name process-service-perfdata > .... > } > > > Then in the nagios.cfg verify the following are in the file: > > cfg_file=3D/usr/local/nagios/etc/nagios_perfparse.cfg > process_performance_data=3D1 > host_perfdata_command=3Dprocess-host-perfdata > service_perfdata_command=3Dprocess-service-perfdata > > In the perfparse.cfg make sure the the variable Service_log is set to: > Service_log =3D "|/path/to/the/pipe" > Example: > Service_log =3D > "|/usr/local/nagios/var/rw/serviceperf.log > Note: > Permissions for "serviceperf.log" need to be set so nagios daemon can > Write to the FIFO. Also make sure serviceperf.log file is not present > When starting the perfparsed. the fifo can already exist with 0.104.1. You are true with 0.103.X :) No more comments below. Thanks for your contribution, Yves > Finally in the nagios_perfparse.cfg file: > > define_command{ > command_name process-service-perfdata > command_line $USER2$/bin/perfparse_nagios_pipe.command.pl > /path/to/the/pipe "$TIMET$" "$HOSTNAME$" "$SERVICEDESC$" "$OUTPUT$" > "$SERVICESTATE$" "$PERFDATA$" > } > > Example: > > Define_command{ > command_name process-service-perfdata > command_line $USER2$/bin/perfparse_nagios_pipe.command.pl > /usr/local/nagios/var/rw/serviceperf.log "$TIMET$" "$HOSTNAME$" > "$SERVICEDESC$" "$OUTPUT$" "$SERVICESTATE$" "$PERFDATA$" > } > > > > > -----Original Message----- > From: Yves [mailto:yme...@pe...] > Sent: Monday, November 29, 2004 2:16 PM > To: Stu...@am... > Subject: RE: [Perfparse-users] perfparsed & CPU usage > > Tim found the fix for that bug. > You can get perfparse-0.104.1ym1 on > http://pagesperso.laposte.net/ymettier/perfparse-devel/ with the fix, a= nd > perfparse-0.104.2 will probably be released soon. > > Thanks for the feedback ! > Yves > > > >> I also have this behavior on an Ultra1 running >> Solaris 8 2/02. Perfparse version .0.103.2 and >> Nagios 1.2 >> >> I made the select() &tm change to NULL; >> But I didn't see a positive change. >> I still see the perfparsed loads of 95%+ % >> >> I got a truss for you >> >> As root I issued the following command >> truss -o /var/tmp/perparse0.103.2.truss -f ./perfparsed -d >> >> About a 835 lines get written to the file. >> >> I then changed the permissions to 666 on >> nagios/var/rw/serviceperf.log # fifo >> >> and started nagios. >> >> I would try out 104.1 but I'm getting >> a compile error for libpp_storage_mysql.so.0 >> >> "Text relocation remains referenced >> against symbol offset in file >> <unknown> 0x884 >> /usr/local/mysql/lib/libmysqlclient.a(client.o)" >> >> >> -----Original Message----- >> From: Yves Mettier [mailto:yme...@li...] >> Sent: Friday, November 26, 2004 3:35 AM >> To: per...@li... >> Subject: Re: [Perfparse-users] perfparsed & CPU usage >> >> >>> Hello, >>> I configured perfparsed to read from a pipe. (Method 4) (config below= ) >>> I noticed that the CPU usage for perfparse is constantly at > 95% (ss= e >>> part of 'top' output below). >>> >>> Without perfparsed, top reports 99.7% idle, with perfparsed, it >>> reports about 50% idle. I should add that this is a test setup, with >>> nagios checking only 60 services every 5 minutes (iow, perfparsed >>> takes up a lot of CPU for doing close to nothing) >> >> In perfparse/log_reader.c, we use select(). There is a timeout of one >> second. >> On the line with select(), the last argument is "&tm". Could you repla= ce > it >> with "NULL" >> and test ? There should be no side effect with this change. >> >>> the production setup checks around 600 services, so I'm a little worr= ied. >>> >>> Any thoughts, insights ? >> >> If it is not a bad use of select(), I have no idea. Give us more, with= for >> example using >> strace (linux) or truss (solaris). >> >> >> Yves >> >> -- >> - Homepage - http://ymettier.free.fr - http://www.logicacmg.com - >> - GPG key - http://ymettier.free.fr/gpg.txt - >> - Maitretarot - http://www.nongnu.org/maitretarot/ - >> - Perfparse - http://perfparse.sf.net/ - >> >> >> >> ------------------------------------------------------- >> SF email is sponsored by - The IT Product Guide >> Read honest & candid reviews on hundreds of IT Products from real user= s. >> Discover which products truly live up to the hype. Start reading now. >> http://productguide.itmanagersjournal.com/ >> _______________________________________________ >> Perfparse-users mailing list >> Per...@li... >> https://lists.sourceforge.net/lists/listinfo/perfparse-users >> >> > > > -- > - Homepage - http://ymettier.free.fr - http://www.logicacmg.com - > - GPG key - http://ymettier.free.fr/gpg.txt - > - Maitretarot - http://www.nongnu.org/maitretarot/ - > - Perfparse - http://perfparse.sf.net/ - > > --=20 - Homepage - http://ymettier.free.fr - http://www.logicacmg.com - - GPG key - http://ymettier.free.fr/gpg.txt - - Maitretarot - http://www.nongnu.org/maitretarot/ - - Perfparse - http://perfparse.sf.net/ - |
