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authorIngo Molnar <mingo@elte.hu>2010-03-15 08:17:33 +0100
committerIngo Molnar <mingo@elte.hu>2010-03-15 08:17:33 +0100
commit12b8aeee3e51654fb95a3baff2e093f2513bb87d (patch)
tree73f78d62591b197cd53747e36a2f3d707b79a50b /lib/Kconfig.debug
parent25268498c9e07870323aead10751b7c6e99a3a78 (diff)
parenta3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff)
Merge branch 'linus' into timers/core
Conflicts: Documentation/feature-removal-schedule.txt Merge reason: Resolve the conflict, update to upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b520ec1f33c5..8e5ec5e1ab91 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