intrctl(8) - NetBSD Manual Pages

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INTRCTL(8)              NetBSD System Manager's Manual              INTRCTL(8)


NAME

     intrctl -- program to control interrupts


SYNOPSIS

     intrctl command [options]


DESCRIPTION

     The intrctl command can be used to control and inspect the state of
     interrupts in the system.

     The first argument, command, specifies the action to take.  Valid com-
     mands are:

     affinity -c cpu_index -i intrid
                      set an intrid interrupt's affinity to cpu_index.

     intr -c cpu_index
                      enable to set an interrupt's affinity to cpu_index.  If
                      cpu_index is already enabled, this command has no
                      effect.

     list [-cz] [-w wait]
                      for each intrid in the system, display interrupt counts
                      per CPU.  The intrid is an interrupt name such as
                      "ioapic0 pin 22" for x86.

                      If -c is specified, display compact list with total
                      counts per interrupt, and CPU affinity as list of CPU
                      indexes.

                      If -w is specified then intrctl display the data contin-
                      uously with a wait seconds delay between each iteration.

                      If -z is specified then rows with all CPUs having zero
                      interrupts will be skipped.

     nointr -c cpu_index
                      disable to set an interrupt's affinity to cpu_index.  If
                      cpu_index is already disabled, this command has no
                      effect.


SEE ALSO

     cpuctl(8)


HISTORY

     intrctl first appeared in NetBSD 8.0.


AUTHORS

     Kengo NAKAHARA <knakahara@NetBSD.org>

NetBSD 10.1                    February 22, 2021                   NetBSD 10.1