1IRQTOP(1)                        User Commands                       IRQTOP(1)
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NAME

6       irqtop - utility to display kernel interrupt information
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SYNOPSIS

9       irqtop [options]
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DESCRIPTION

12       Display kernel interrupt counter information in top(1) style view.
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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.
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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.
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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.
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30       -d, --delay seconds
31           Update interrupt output every seconds intervals.
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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.
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37       -S, --softirq
38           Show softirqs information.
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40       -h, --help
41           Display help text and exit.
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43       -V, --version
44           Print version and exit.
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INTERACTIVE MODE KEY COMMANDS

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

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

67       For bug reports, use the issue tracker at
68       https://github.com/util-linux/util-linux/issues.
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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/>.
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77util-linux 2.38.1                 2022-08-04                         IRQTOP(1)
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