[hobbit] fping tuning

Henrik Stoerner henrik at hswn.dk
Thu Apr 27 16:13:38 CEST 2006


On Thu, Apr 27, 2006 at 09:37:37AM -0400, Schwimmer, Eric E *HS wrote:
> 
> 
> Hey that's pretty nifty.  However, after running gprof on the fping
> gmon.out, I get a nice callgraph analysis and such, but all the times
> are listed as 0.00.  Weird.

gprof only measures time spent in user-mode. I think fping spends most
of its time inside the select() system-call waiting for data - that's 
why if you run it with "time" you'll see almost no time spent.


Henrik




More information about the Xymon mailing list