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
21              of all supported columns.  The default list of  columns  may  be
22              extended if list is specified in the format +list.
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24       -d, --delay seconds
25              Update interrupt output every seconds intervals.
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27       -s, --sort column
28              Specify  sort criteria by column name.  See --help output to get
29              column names.  The sort criteria may be changes  in  interactive
30              mode.
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32       -V, --version
33              Display version information and exit.
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35       -h, --help
36              Display help text and exit.
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INTERACTIVE MODE KEY COMMANDS

39       i      sort by short irq name or number field
40       t      sort by total count of interrupts (the default)
41       d      sort by delta count of interrupts
42       n      sort by long descriptive name field
43       q Q    stop updates and exit program
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AUTHORS

46       Zhenwei Pi ⟨pizhenwei@bytedance.com⟩
47       Sami Kerola ⟨kerolasa@iki.fi⟩
48       Karel Zak ⟨kzak@redhat.com⟩
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AVAILABILITY

51       The  irqtop  command is part of the util-linux package and is available
52       from Linux Kernel Archive ⟨https://www.kernel.org/pub/linux/utils/util-
53       linux/⟩.
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57util-linux                       February 2020                       IRQTOP(1)
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