Man1 - irqtop.1
Table of Contents
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
i
sort by short irq name or number field
t
sort by total count of interrupts (the default)
d
sort by delta count of interrupts
n
sort by long descriptive name field
q Q
stop updates and exit program
AUTHORS
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/.