CONFIG_TEST_LOCKUP: Test module to generate lockups

General informations

The Linux kernel configuration item CONFIG_TEST_LOCKUP:

• prompt: Test module to generate lockups
• type: tristate
• depends on: CONFIG_m
• defined in lib/Kconfig.debug
• found in Linux kernels: 5.7–5.19, 6.0–6.11
• modules built: test_lockup

Help text

This builds the "test_lockup" module that helps to make sure that watchdogs and lockup detectors are working properly.

Depending on module parameters it could emulate soft or hard lockup, "hung task", or locking arbitrary lock for a long time. Also it could generate series of lockups with cooling-down periods.

If unsure, say N.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module test_lockup CONFIG_TEST_LOCKUP : lib/Kconfig.debug : "Test module to generate lockups" # in 5.7–5.19, 6.0–6.11

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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