gprof reporting all 0.0 seconds

[Yang Zhang]

H.J. Lu wrote:
> On Sat, Feb 09, 2008 at 02:47:04PM -0500, Yang Zhang wrote:
>> Slightly larger ones (100M) are available at:
>>
>> http://people.csail.mit.edu/yang/movie-data/med/
>>
>> Then you can run it with `./hashjoin 1 movies.dat actresses.dat`.
>>
> 
> That is what I got with larger ones. Does it look OK?
> 
> 
> H.J.

Thanks - it now works for me too. So it turns out that -lprofile was the 
culprit! Too bad that the #1 Google hit for 'gprof threads' is a page 
claiming that gprof can't do threads.