summaryrefslogtreecommitdiffstats
path: root/lib/Kconfig.debug
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug13
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 5e3407d..8e5ec5e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -532,6 +532,14 @@ config LOCK_STAT
For more details, see Documentation/lockstat.txt
+ This also enables lock events required by "perf lock",
+ subcommand of perf.
+ If you want to use "perf lock", you also need to turn on
+ CONFIG_EVENT_TRACING.
+
+ CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
+ (CONFIG_LOCKDEP defines "acquire" and "release" events.)
+
config DEBUG_LOCKDEP
bool "Lock dependency engine debugging"
depends on DEBUG_KERNEL && LOCKDEP
@@ -864,8 +872,7 @@ config DEBUG_FORCE_WEAK_PER_CPU
config LKDTM
tristate "Linux Kernel Dump Test Tool Module"
- depends on DEBUG_KERNEL
- depends on KPROBES
+ depends on DEBUG_FS
depends on BLOCK
default n
help
@@ -876,7 +883,7 @@ config LKDTM
called lkdtm.
Documentation on how to use the module can be found in
- drivers/misc/lkdtm.c
+ Documentation/fault-injection/provoke-crashes.txt
config FAULT_INJECTION
bool "Fault-injection framework"
OpenPOWER on IntegriCloud