1IRQTOP(1)                        User Commands                       IRQTOP(1)
2
3
4

NAME

6       irqtop - utility to display kernel interrupt information
7

SYNOPSIS

9       irqtop [options]
10

DESCRIPTION

12       Display kernel interrupt counter information in top(1) style view.
13
14       The default output is subject to change. So whenever possible, you
15       should avoid using default outputs in your scripts. Always explicitly
16       define expected columns by using --output.
17

OPTIONS

19       -o, --output list
20           Specify which output columns to print. Use --help to get a list of
21           all supported columns. The default list of columns may be extended
22           if list is specified in the format +list.
23
24       -c, --cpu-stat mode
25           Show per-cpu statistics by specified mode. Available modes are:
26           auto, enable, disable. The default option auto detects the width of
27           window, then shows the per-cpu statistics if the width of window is
28           large enouth to show a full line of statistics.
29
30       -d, --delay seconds
31           Update interrupt output every seconds intervals.
32
33       -s, --sort column
34           Specify sort criteria by column name. See --help output to get
35           column names. The sort criteria may be changes in interactive mode.
36
37       -S, --softirq
38           Show softirqs information.
39
40       -h, --help
41           Display help text and exit.
42
43       -V, --version
44           Print version and exit.
45

INTERACTIVE MODE KEY COMMANDS

47       i
48           sort by short irq name or number field
49
50       t
51           sort by total count of interrupts (the default)
52
53       d
54           sort by delta count of interrupts
55
56       n
57           sort by long descriptive name field
58
59       q Q
60           stop updates and exit program
61

AUTHORS

63       Zhenwei Pi <pizhenwei@bytedance.com>, Sami Kerola <kerolasa@iki.fi>,
64       Karel Zak <kzak@redhat.com>
65

REPORTING BUGS

67       For bug reports, use the issue tracker at
68       https://github.com/util-linux/util-linux/issues.
69

AVAILABILITY

71       The irqtop command is part of the util-linux package which can be
72       downloaded from Linux Kernel Archive
73       <https://www.kernel.org/pub/linux/utils/util-linux/>.
74
75
76
77util-linux 2.38                   2022-02-17                         IRQTOP(1)
Impressum