irqtop(1) — Linux manual page


IRQTOP(1)                     User Commands                    IRQTOP(1)

NAME         top

       irqtop - utility to display kernel interrupt information

SYNOPSIS         top

       irqtop [options]

DESCRIPTION         top

       Display kernel interrupt counter information in top(1) style

       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         top

       -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

       -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.


       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         top

       Zhenwei Pi ⟨⟩
       Sami Kerola ⟨⟩
       Karel Zak ⟨⟩

AVAILABILITY         top

       The irqtop command is part of the util-linux package and is
       available from Linux Kernel Archive 

COLOPHON         top

       This page is part of the util-linux (a random collection of Linux
       utilities) project.  Information about the project can be found
       at ⟨⟩.  If you
       have a bug report for this manual page, send it to  This page was obtained from the
       project's upstream Git repository
       ⟨git://⟩ on
       2021-03-21.  (At that time, the date of the most recent commit
       that was found in the repository was 2021-03-19.)  If you
       discover any rendering problems in this HTML version of the page,
       or you believe there is a better or more up-to-date source for
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       information in this COLOPHON (which is not part of the original
       manual page), send a mail to

util-linux                    February 2020                    IRQTOP(1)