ionice

linux

Get or set program I/O scheduling class and priority. Scheduling classes: 1 (realtime), 2 (best-effort), 3 (idle). Priority levels: 0 (the highest) - 7 (the lowest).

More info →

Options (4)

-c, --classboolean

Run a command with the given scheduling class and priority

Example: ionice {{[-c|--class]}} {{scheduling_class}} {{[-n|--classdata]}} {{priority}} {{command}}

-n, --classdataboolean

Run a command with the given scheduling class and priority

Example: ionice {{[-c|--class]}} {{scheduling_class}} {{[-n|--classdata]}} {{priority}} {{command}}

-t, --ignoreboolean

Ignore failure to set the requested priority

Example: ionice {{[-t|--ignore]}} {{[-n|--classdata]}} {{priority}} {{[-p|--pid]}} {{pid}}

-p, --pidboolean

Ignore failure to set the requested priority

Example: ionice {{[-t|--ignore]}} {{[-n|--classdata]}} {{priority}} {{[-p|--pid]}} {{pid}}

Examples (6)

Run a command with the given scheduling class and priority

ionice [-c|--class] scheduling_class [-n|--classdata] priority command

Set I/O scheduling class of a running process with a specific [p]id, [P]gid, or [u]id

ionice [-c|--class] scheduling_class -p|P|u id

Run a command with custom I/O scheduling class and priority

ionice [-c|--class] scheduling_class [-n|--classdata] priority command

Ignore failure to set the requested priority

ionice [-t|--ignore] [-n|--classdata] priority [-p|--pid] pid

Run the command even in case it was not possible to set the desired priority (this can happen due to insufficient privileges or an old kernel version)

ionice [-t|--ignore] [-n|--classdata] priority [-p|--pid] pid

Print the I/O scheduling class and priority of a running process

ionice [-p|--pid] pid

made by @shridhargupta | data from tldr-pages