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Re: gprof reporting all 0.0 seconds


michael wrote:
Yang Zhang wrote:
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.

Compile it without any optimization and retry.

Michael


I tried just now. That didn't change anything, sadly.



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