gprof reporting all 0.0 seconds

[michael]

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