moncontrol man page on BSDi

moncontrol man page on BSDi

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MONCONTROL(3)		    BSD Programmer's Manual		 MONCONTROL(3)

NAME
     moncontrol - control execution profile

SYNOPSIS
     int
     moncontrol(int mode);

DESCRIPTION
     An executable program compiled using the -pg option to cc(1) automatical-
     ly includes calls to collect statistics for the gprof(1) call-graph exe-
     cution profiler.  In typical operation, profiling begins at program
     startup and ends when the program calls exit.  When the program exits,
     the profiling data are written to the file gmon.out, then gprof(1) can be
     used to examine the results.

     moncontrol() selectively controls profiling within a program.  When the
     program starts, profiling begins.	To stop the collection of histogram
     ticks and call counts use moncontrol(0); to resume the collection of his-
     togram ticks and call counts use moncontrol(1).  This feature allows the
     cost of particular operations to be measured.  Note that an output file
     will be produced on program exit regardless of the state of moncontrol().

FILES
     gmon.out  execution data file

SEE ALSO
     cc(1),  gprof(1),	profil(2)

4th Berkeley Distribution	 June 4, 1993				     1

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