[Dev] Performance Profiler

[Brent Verner]

[2002-01-08 00:41] M. Mueller/bhu5nji said:
| On Tuesday 08 January 2002 12:32 pm, you wrote:
| > > b.
| >
| > ping will give round trip times. Are you sending the packets over a PPP
| > connection via modem?  Typical ping's on a modem connection are usually
| > several hundred milliseconds.
| 
| The V.35 is SS7 on DDS 56kb/s - definitely not pingable.
| 
| >
| > I've used snoop on Sun boxen and seem to remember getting timestamps from
| > it. tcpdump may be able to retrieve same.
| 
| I'll check snoop.  Ethereal (which I am using) is a glorified tcpdump (I 
| think).
| 
| I'm thinking more along the lines of profiling what's going on inside the box.


compile your prog with 'gcc -pg ...'.  When you run the prog, a
gmon.out file will be created, which can processed by gprof to list
called routines, and time spent in routines.

$ gcc -g -pg src.c -o exe
$ ./exe
$ gprof exe gmon.out


hth.
  b

| Thanks for the hints
| Mike
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