[NTLUG:Discuss] Utility to monitor performance of Linux server

[Chris Cox]

Richard Geoffrion wrote:
> I remember being referred to a linux utility that allowed me to log the 
> various utilization statistics of a machine.  It wasn't tload or top, 
> but some other utility with some name that (obviously) didn't lend 
> itself to being remembered.  I remember having to run the program in a 
> loop - outputting the results to a file so that I could gather 
> statistics over time...like   % of time the processor was waiting on the 
> disk to flush, % of time the disk was active....etc...
> 
> Does anyone know what utility that was?   I've  'whatis'ed in [/|/usr/] 
> [bin|sbin] but can't seem to locate it.
> 

What comes to mind is the sysstat package which has sar and iostat.

But you may also want to investigate dstat.