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

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

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

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

DESCRIPTION
     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.

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

DIAGNOSTICS
     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.

SEE ALSO
     config(1), gprof(1)

HISTORY
     The kgmon command appeared in 4.2BSD.

BSD					   June 6, 1993 				      BSD
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