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

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

NAME
     psrset -- control processor sets

SYNOPSIS
     psrset [setid ...]
     psrset -a setid cpuid ...
     psrset -b setid pid ...
     psrset -c [cpuid ...]
     psrset -d setid
     psrset -e setid command
     psrset -i [setid ...]
     psrset -p
     psrset -r cpuid ...
     psrset -u pid ...

DESCRIPTION
     The psrset command can be used to control and inspect processor sets.

     The system always contains at least one processor set: the default set.  The default set
     must contain at least one online processor (CPU) at all times.

     Available options:

     -a      Assign one or more processors (CPUs) to the set setid.  In the current implementa-
	     tion, a CPU may only be present in one set.  CPU IDs are as reported and used by the
	     cpuctl(8) command.

     -b      Bind one or more processes to the set setid.  All LWPs within the processes will be
	     affected.	Bindings are inherited when new LWPs or processes are forked.  However,
	     setting a new binding on a parent process does not affect the bindings of its exist-
	     ing child processes.

     -c      Create a new processor set.  If successful, the ID of the new set will be printed.
	     If a list of CPU IDs is provided, those CPUs will be assigned to the set upon cre-
	     ation.  Otherwise, the set will be created empty.

     -d      Delete the processor set specified by setid.  Any LWPs bound to the set will be re-
	     bound to the default processor set.

     -e      Execute a command within the processor set specified by setid.

     -i      List all processor sets.  For each set, print the member CPUs.  If psrset is run
	     without any options, it behaves as if -i were given.

     -p      List all CPUs.  For each CPU, print the associated processor set.

     -r      Remove a CPU from its current set, and return it back to the default processor set.

     -u      Bind the specified processes to the system default processor set.

SEE ALSO
     pset(3), cpuctl(8), schedctl(8)

HISTORY
     The psrset command first appeared in NetBSD 5.0.

BSD					September 23, 2008				      BSD


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