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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
| commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
| tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /Documentation/fault-injection/fault-injection.txt | |
| parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) | |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'Documentation/fault-injection/fault-injection.txt')
| -rw-r--r-- | Documentation/fault-injection/fault-injection.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt index 4cf1a2a6b..415484f3d 100644 --- a/Documentation/fault-injection/fault-injection.txt +++ b/Documentation/fault-injection/fault-injection.txt @@ -15,6 +15,10 @@ o fail_page_alloc injects page allocation failures. (alloc_pages(), get_free_pages(), ...) +o fail_futex + + injects futex deadlock and uaddr fault errors. + o fail_make_request injects disk IO errors on devices permitted by setting @@ -113,6 +117,12 @@ configuration of fault-injection capabilities. specifies the minimum page allocation order to be injected failures. +- /sys/kernel/debug/fail_futex/ignore-private: + + Format: { 'Y' | 'N' } + default is 'N', setting it to 'Y' will disable failure injections + when dealing with private (address space) futexes. + o Boot option In order to inject faults while debugfs is not available (early boot time), @@ -121,6 +131,7 @@ use the boot option: failslab= fail_page_alloc= fail_make_request= + fail_futex= mmc_core.fail_request=<interval>,<probability>,<space>,<times> How to add new fault injection capability |