diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 80 |
1 files changed, 61 insertions, 19 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index ef5d7c08e5b9..bd62be80228e 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -17,6 +17,23 @@ config PRINTK_TIME The behavior is also controlled by the kernel command line parameter printk.time=1. See Documentation/admin-guide/kernel-parameters.rst +config PRINTK_CALLER + bool "Show caller information on printks" + depends on PRINTK + help + Selecting this option causes printk() to add a caller "thread id" (if + in task context) or a caller "processor id" (if not in task context) + to every message. + + This option is intended for environments where multiple threads + concurrently call printk() for many times, for it is difficult to + interpret without knowing where these lines (or sometimes individual + line which was divided into multiple lines due to race) came from. + + Since toggling after boot makes the code racy, currently there is + no option to enable/disable at the kernel command line parameter or + sysfs interface. + config CONSOLE_LOGLEVEL_DEFAULT int "Default console loglevel (1-15)" range 1 15 @@ -222,7 +239,6 @@ config ENABLE_MUST_CHECK config FRAME_WARN int "Warn for stack frames larger than (needs gcc 4.4)" range 0 8192 - default 3072 if KASAN_EXTRA default 2048 if GCC_PLUGIN_LATENT_ENTROPY default 1280 if (!64BIT && PARISC) default 1024 if (!64BIT && !PARISC) @@ -266,23 +282,6 @@ config UNUSED_SYMBOLS you really need it, and what the merge plan to the mainline kernel for your module is. -config PAGE_OWNER - bool "Track page owner" - depends on DEBUG_KERNEL && STACKTRACE_SUPPORT - select DEBUG_FS - select STACKTRACE - select STACKDEPOT - select PAGE_EXTENSION - help - This keeps track of what call chain is the owner of a page, may - help to find bare alloc_page(s) leaks. Even if you include this - feature on your build, it is disabled in default. You should pass - "page_owner=on" to boot parameter in order to enable it. Eats - a fair amount of memory if enabled. See tools/vm/page_owner_sort.c - for user-space helper. - - If unsure, say N. - config DEBUG_FS bool "Debug Filesystem" help @@ -1664,7 +1663,6 @@ if RUNTIME_TESTING_MENU config LKDTM tristate "Linux Kernel Dump Test Tool Module" depends on DEBUG_FS - depends on BLOCK help This module enables testing of the different dumping mechanisms by inducing system failures at predefined crash points. @@ -1840,6 +1838,19 @@ config TEST_LKM If unsure, say N. +config TEST_VMALLOC + tristate "Test module for stress/performance analysis of vmalloc allocator" + default n + depends on MMU + depends on m + help + This builds the "test_vmalloc" module that should be used for + stress and performance analysis. So, any new change for vmalloc + subsystem can be evaluated from performance and stability point + of view. + + If unsure, say N. + config TEST_USER_COPY tristate "Test user/kernel boundary protections" depends on m @@ -1955,6 +1966,28 @@ config TEST_MEMCAT_P If unsure, say N. +config TEST_LIVEPATCH + tristate "Test livepatching" + default n + depends on DYNAMIC_DEBUG + depends on LIVEPATCH + depends on m + help + Test kernel livepatching features for correctness. The tests will + load test modules that will be livepatched in various scenarios. + + To run all the livepatching tests: + + make -C tools/testing/selftests TARGETS=livepatch run_tests + + Alternatively, individual tests may be invoked: + + tools/testing/selftests/livepatch/test-callbacks.sh + tools/testing/selftests/livepatch/test-livepatch.sh + tools/testing/selftests/livepatch/test-shadow-vars.sh + + If unsure, say N. + config TEST_OBJAGG tristate "Perform selftest on object aggreration manager" default n @@ -1963,6 +1996,15 @@ config TEST_OBJAGG Enable this option to test object aggregation manager on boot (or module load). + +config TEST_STACKINIT + tristate "Test level of stack variable initialization" + help + Test if the kernel is zero-initializing stack variables and + padding. Coverage is controlled by compiler flags, + CONFIG_GCC_PLUGIN_STRUCTLEAK, CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF, + or CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL. + If unsure, say N. endif # RUNTIME_TESTING_MENU |