.\" Copyright (c) 1980, 1991 Regents of the University of California.
.\" %sccs.include.proprietary.roff%
.\" @(#)moncontrol.3 6.3 (Berkeley) %G%
moncontrol, monstartup \- prepare execution profile
.B monstartup(lowpc, highpc)
.B int (*lowpc)(), (*highpc)();
An executable program created by:
automatically includes calls to collect statistics for the
call-graph execution 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
can be used to examine the results.
selectively controls profiling within a program.
When the program starts, profiling begins.
To stop the collection of histogram ticks and call counts use
to resume the collection of histogram ticks and call counts use
This 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
Programs that are not loaded with
may selectively collect profiling statistics by calling
with the range of addresses to be profiled.
specify the address range that is to be sampled;
the lowest address sampled is that of
and the highest is just below
Only functions in that range that have been compiled with the
will appear in the call graph part of the output;
however, all functions in that address range will
have their execution time measured.
Profiling begins on return from
To stop execution monitoring and write the results on the file
can be used to examine the results.
cc(1), gprof(1), profil(2)