Sergey Aleynikov
and 1 contributors

NAME

setaffinity - Manipulate affinities from command line

SYNOPSIS

Typical usage:

 $ setaffinity 675 676 679 1011

Options synopsis:

 $ setaffinity @pids affinity_mask

DESCRIPTION

setaffinity expects list of pids with mask to be applied to them all coming last. Mask must be a string consisting of 0 and 1. CPU0 comes rightmost, here are two examples:

        0101 - CPU0 + CPU2
        1000 - CPU3 only

Mask is applied to all specified process, if anything fails, process is not aborted, but error description + pid are printed to STDERR.

Note that you can change affinity only of processes you own, only root can change others.

SEE ALSO

man 2 cpuset_getaffinity

man 2 cpuset

AUTHOR

Sergey Aleynikov <sergey.aleynikov@gmail.com>