NAME

irqtop - utility to display kernel interrupt information

SYNOPSIS

irqtop [options]

DESCRIPTION

Display kernel interrupt counter information in top(1) style view.

The default output is subject to change. So whenever possible, you should avoid using default outputs in your scripts. Always explicitly define expected columns by using --output.

OPTIONS

-o, --output list

Specify which output columns to print. Use --help to get a list of all supported columns. The default list of columns may be extended if list is specified in the format +list.

-d, --delay seconds

Update interrupt output every seconds intervals.

-s, --sort column

Specify sort criteria by column name. See --help output to get column names. The sort criteria may be changes in interactive mode.

-S, --softirq

Show softirqs information.

-V, --version

Display version information and exit.

-h, --help

Display help text and exit.

INTERACTIVE MODE KEY COMMANDS

sort by short irq name or number field

sort by total count of interrupts (the default)

sort by delta count of interrupts

sort by long descriptive name field

q Q

stop updates and exit program

AUTHORS

Zhenwei Pi <pizhenwei@bytedance.com>, Sami Kerola <kerolasa@iki.fi>, Karel Zak <kzak@redhat.com>

REPORTING BUGS

For bug reports, use the issue tracker at <https://github.com/karelzak/util-linux/issues>.

AVAILABILITY

The irqtop command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.