Devilator - performance monitoring for FreeBSD

[Brooks Davis]

On Wed, Feb 02, 2005 at 12:10:41PM +0100, Borja Marcos wrote:
> 
> 	Hello,
> 
> 	I'm writing a performance monitoring data collector for Orca 
> (www.orcaware.com) for FreeBSD 4- and 5-.
> 
> 	I'm not sure about the correct values in the process description to 
> get a picture as accurate as possible of the cpu usage of different 
> processes. I've seen that top uses p_runtime (FreeBSD 5 and FreeBSD 4), 
> but I'm not sure if the value would be really useful.
> 
> 	You can see a snapshot of the work in progress at:
> 
> 	ftp://borja.sarenet.es/pub/freebsd4-devilator.pdf
> 	ftp://borja.sarenet.es/pub/freebsd5-devilator.pdf
> 
> 	I'm intending to do something more complete than the classical 
> "orcallator" for Solaris. Namely, I am going to plot:
> 
> 	- System processes resource usage (hopefully useful to spot 
> bottlenecks, and hopefully useful for the system developers)
> 
> 	- Resource usage by a set of processes specified by the user. It 
> 	will have a configuration file with {process name, regular expression} 
> pairs. Processes whose name matches the regular expression will get 
> their own graph with %user/%system, etc cpu times, and probably I/O 
> statistics, memory statistics, so that you can know wether your (for 
> example) smtpd processes are getting more resources, or the memory hogs 
> are the httpd's, etc.
> 
> 	- MBUF statistics
> 
> 	- Network statistics (connections, TCP/UDP/ICMP statistics...)
> 
> 	- Various caches and VM

If you're looking for some implementation examples for some of these,
take a look at ganglia's freebsd code.  It's largly based on extracting
things from other programs, but the work's been done so you don't have
to figure out what matters.

http://cvs.sourceforge.net/viewcvs.py/ganglia/monitor-core/srclib/libmetrics/freebsd/metrics.c?rev=1.4&view=markup

-- Brooks

-- 
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-hackers/attachments/20050202/9ac48cde/attachment.bin