[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
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