3 .\" Author: [see the "AUTHOR(S)" section]
4 .\" Generator: Asciidoctor 2.0.15
6 .\" Manual: User Commands
7 .\" Source: util-linux 2.37.4
10 .TH "IRQTOP" "1" "2022-02-14" "util\-linux 2.37.4" "User Commands"
28 . LINKSTYLE blue R < >
31 irqtop \- utility to display kernel interrupt information
34 \fBirqtop\fP [options]
37 Display kernel interrupt counter information in \fBtop\fP(1) style view.
39 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 \fB\-\-output\fP.
42 \fB\-o\fP, \fB\-\-output\fP \fIlist\fP
44 Specify which output columns to print. Use \fB\-\-help\fP to get a list of all supported columns. The default list of columns may be extended if list is specified in the format \fI+list\fP.
47 \fB\-d\fP, \fB\-\-delay\fP \fIseconds\fP
49 Update interrupt output every \fIseconds\fP intervals.
52 \fB\-s\fP, \fB\-\-sort\fP \fIcolumn\fP
54 Specify sort criteria by column name. See \fB\-\-help\fP output to get column names. The sort criteria may be changes in interactive mode.
57 \fB\-S\fP, \fB\-\-softirq\fP
59 Show softirqs information.
62 \fB\-V\fP, \fB\-\-version\fP
64 Display version information and exit.
67 \fB\-h\fP, \fB\-\-help\fP
69 Display help text and exit.
71 .SH "INTERACTIVE MODE KEY COMMANDS"
75 sort by short irq name or number field
80 sort by total count of interrupts (the default)
85 sort by delta count of interrupts
90 sort by long descriptive name field
95 stop updates and exit program
99 .MTO "pizhenwei\(atbytedance.com" "Zhenwei Pi" ","
100 .MTO "kerolasa\(atiki.fi" "Sami Kerola" ","
101 .MTO "kzak\(atredhat.com" "Karel Zak" ""
104 For bug reports, use the issue tracker at \c
105 .URL "https://github.com/karelzak/util\-linux/issues" "" "."
108 The \fBirqtop\fP command is part of the util\-linux package which can be downloaded from \c
109 .URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "."