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NetBSD 6.1.5 - man page for kgmon (netbsd section 8)

KGMON(8)			   BSD System Manager's Manual				 KGMON(8)

     kgmon -- generate a dump of the operating system's profile buffers

     kgmon [-bdhpr] [-M core] [-N system]

     kgmon is a tool used when profiling the operating system.	When no arguments are supplied,
     kgmon indicates the state of operating system profiling as running, off, or not configured
     (see config(1)).  If the -p flag is specified, kgmon extracts profile data from the operat-
     ing system and produces a gmon.out file suitable for later analysis by gprof(1).

     The options are as follows:

     -b      Resume the collection of profile data.

     -d      Enable debug output.

     -h      Stop the collection of profile data.

     -M core
	     Extract values associated with the name list from the specified core instead of the
	     default /dev/kmem.

     -N system
	     Extract the name list from the specified system instead of the default /netbsd.

     -p      Dump the contents of the profile buffers into a gmon.out file.

     -r      Reset all the profile buffers.  If the -p flag is also specified, the gmon.out file
	     is generated before the buffers are reset.

     If neither -b nor -h is specified, the state of profiling collection remains unchanged.  For
     example, if the -p flag is specified and profile data is being collected, profiling will be
     momentarily suspended, the operating system profile buffers will be dumped, and profiling
     will be immediately resumed.

     /netbsd	 the default system
     /dev/kmem	 the default memory

     Users with only read permission on /dev/kmem cannot change the state of profiling collec-
     tion.  They can get a gmon.out file with the warning that the data may be inconsistent if
     profiling is in progress.

     config(1), gprof(1)

     The kgmon command appeared in 4.2BSD.

BSD					   June 6, 1993 				      BSD

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