Percentage of processes schedulers

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processor_sets

processor_sets(4)					     Kernel Interfaces Manual						 processor_sets(4)

NAME

       processor_sets - Collections of processors

DESCRIPTION

       A  processor  set  is  a collection of processors.  When a processor set is first created, it does not contain any processors.  You can add
       processors to a processor set, remove processors from a processor set, and also destroy the processor set.  In  addition,  you  can  assign
       specific processes to a processor set.

       When  the  system  is  booted, all its processors are assigned to the default processor set.  Each processor in a system can be a member of
       only one processor set at one time.

       In addition, when you create a process, it is assigned to a processor set.  Unless you indicate a specific  processor  set,  a  process	is
       assigned  to  the  default  processor  set.   A process can execute only on an processor that is included in the processor set to which the
       process is assigned.  If you assign a process to an empty processor set, it will not execute until a processor is assigned to the processor
       set or until the process is assigned to another processor set.

       Use the pset_create command or the create_pset function to create a processor set.  When you first create a processor set, it does not con-
       tain any processors.

       Use the pset_assign_cpu command or the assign_cpu_to_pset function to assign processors to a specific processor set.   When  you  assign  a
       processor to a specific processor set, the processor is removed from its current processor set.

       Use the pset_destroy command or the destroy_pset function to destroy a processor set.   Processors that belong to a destroyed processor set
       are assigned to the default processor set.

       Use the pset_assign_pid command or the assign_pid_to_pset function to assign a process to a specific processor set.  In addition,  you  can
       request	that a process has exclusive access to a processor set.  If a process has exclusive access to a processor set, no other process is
       able to use that processor set.	If a process has exclusive access to a processor set, that access will be cleared automatically  when  the
       process exits.  Note that if a process is already assigned to a processor set, a request for exclusive access to that processor set will be
       denied.

       Use the pset_info command to display the status of each processor set on the system as well as the status of each processor.

       You must be root to create and destroy processor sets and to assign a processor to a processor set.  Processor set creation and destruction
       and processor assignments to processor sets are logged in the /var/adm/wtmp file.

FILES

       /var/adm/wtmp

RELATED INFORMATION

       Commands: pset_create(1), pset_destroy(1), pset_info(1), pset_assign_pid(1), pset_assign_cpu(1), runon(1), psrinfo(1), psradm(8)

       Functions: assign_pid_to_pset(3), assign_cpu_to_pset(3), create_pset(3), destroy_pset(3) delim off

																 processor_sets(4)

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