gprof reporting all 0.0 seconds

[Yang Zhang]

Retrying.

Yang Zhang wrote:
> The output of gprof for my C++ program has no entries that contain non-0 
> time:
> 
>   %   cumulative   self              self     total
>  time   seconds   seconds    calls  Ts/call  Ts/call  name
>   0.00      0.00     0.00 20347515     0.00     0.00  __gnu_cxx::__nor..
>   0.00      0.00     0.00 18191192     0.00     0.00  __gnu_cxx::__nor..
>   0.00      0.00     0.00 15330884     0.00     0.00  std::strchr(char..
>   0.00      0.00     0.00 11405520     0.00     0.00  __gnu_cxx::__nor..
>   0.00      0.00     0.00 10668361     0.00     0.00  __gnu_cxx::__stl..
>   0.00      0.00     0.00 10173756     0.00     0.00  __gnu_cxx::__nor..
> ...
> 
> What's going wrong? The source (it's a simple 1-file program) and 
> Makefile are available at:
> 
> http://assorted.svn.sourceforge.net/viewvc/assorted/hash-join/trunk/src/
> 
> In particular, the build command is:
> 
> g++ -Wall -lprofiler -lpthread -o hashjoin-pg hashjoin.cc -g -pg
> 
> Thanks in advance for any help.