[BACK]Return to gprof.1 CVS log [TXT][DIR] Up to [local] / src / usr.bin / gprof

Diff for /src/usr.bin/gprof/gprof.1 between version 1.11 and 1.12

version 1.11, 1999/06/05 01:21:27 version 1.12, 1999/07/04 11:53:54
Line 45 
Line 45 
 .Op options  .Op options
 .Op Ar a.out Op Ar gmon.out ...  .Op Ar a.out Op Ar gmon.out ...
 .Sh DESCRIPTION  .Sh DESCRIPTION
 .Nm gprof  .Nm
 produces an execution profile of C, Pascal, or Fortran77 programs.  produces an execution profile of C, Pascal, or Fortran77 programs.
 The effect of called routines is incorporated in the profile of each caller.  The effect of called routines is incorporated in the profile of each caller.
 The profile data is taken from the call graph profile file  The profile data is taken from the call graph profile file
Line 62 
Line 62 
 .Fl pg  .Fl pg
 option also links in versions of the library routines  option also links in versions of the library routines
 that are compiled for profiling.  that are compiled for profiling.
 .Nm gprof  .Nm
 reads the given object file (the default is  reads the given object file (the default is
 .Pa a.out)  .Pa a.out)
 and establishes the relation between its symbol table  and establishes the relation between its symbol table
Line 70 
Line 70 
 .Pa gmon.out .  .Pa gmon.out .
 If more than one profile file is specified,  If more than one profile file is specified,
 the  the
 .Nm gprof  .Nm
 output shows the sum of the profile information in the given profile files.  output shows the sum of the profile information in the given profile files.
 .Pp  .Pp
 .Nm gprof  .Nm
 calculates the amount of time spent in each routine.  calculates the amount of time spent in each routine.
 Next, these times are propagated along the edges of the call graph.  Next, these times are propagated along the edges of the call graph.
 Cycles are discovered, and calls into a cycle are made to share the time  Cycles are discovered, and calls into a cycle are made to share the time
Line 122 
Line 122 
 or more members.  or more members.
 Caution: the algorithm used to break cycles is exponential,  Caution: the algorithm used to break cycles is exponential,
 so using this option may cause  so using this option may cause
 .Nm gprof  .Nm
 to run for a very long time.  to run for a very long time.
 .It Fl e Ar name  .It Fl e Ar name
 Suppresses the printing of the graph profile entry for routine  Suppresses the printing of the graph profile entry for routine
Line 204 
Line 204 
 the sum of the profile information in all the specified profile files.  the sum of the profile information in all the specified profile files.
 This summary profile file may be given to later  This summary profile file may be given to later
 executions of  executions of
 .Nm gprof  .Nm
 (probably also with a  (probably also with a
 .Fl s )  .Fl s )
 to accumulate profile data across several runs of an  to accumulate profile data across several runs of an
Line 264 
Line 264 
 .Re  .Re
 .Sh HISTORY  .Sh HISTORY
 The  The
 .Nm gprof  .Nm
 profiler  profiler
 appeared in  appeared in
 .Bx 4.2 .  .Bx 4.2 .
Legend:
Removed from v.1.11  
changed lines
  Added in v.1.12