of each caller. The profile data is taken from the call graph profile file
(@file{gmon.out} default) which is created by programs
that are compiled with the @samp{-pg} option of
@code{cc}, @code{pc}, and @code{f77}.
The @samp{-pg} option also links in versions of the library routines
of each caller. The profile data is taken from the call graph profile file
(@file{gmon.out} default) which is created by programs
that are compiled with the @samp{-pg} option of
@code{cc}, @code{pc}, and @code{f77}.
The @samp{-pg} option also links in versions of the library routines