NAME
Linux::CPUAffinity - set and get a process's CPU affinity mask
SYNOPSIS
use Linux::CPUAffinity;
# get affinity of this process
my $cpus = Linux::CPUAffinity->get(0); # eg: [0, 1, 2, 3]
# other process
my $cpus = Linux::CPUAffinity->get($pid);
# set affinity of this process
Linux::CPUAffinity->set(0 => [0,1]);
# other process
Linux::CPUAffinity->set($pid => [0]);
# utility method to get processors
my $num = Linux::CPUAffinity->num_processors();
DESCRIPTION
Linux::CPUAffinity is a wrapper module for Linux system call sched_getaffinity(2) and sched_setaffinity(2).
This module is only available on GNU/Linux.
METHODS
-
$cpus = $class->get($pid)
Get the CPU affinity mask of the process.
-
$class->set($pid, $cpus :ArrayRef[Int])
Set the CPU affinity mask of the process.
-
$num = $class->num_processors()
Get the number of processors currently online (available).
LICENSE
Copyright (C) Jiro Nishiguchi.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
AUTHOR
Jiro Nishiguchi jiro@cpan.org
