]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - lib/Kconfig.debug
vxge: Fixed "ethtool -d" prints.
[mv-sheeva.git] / lib / Kconfig.debug
index b520ec1f33c515d478e3e598a4101b4a8d49f334..8e5ec5e1ab91f11505ac1a7589bb196ff10e1147 100644 (file)
@@ -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