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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-15 14:27:06 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-15 14:27:06 +0000 |
| commit | 2d3b5fa3a39d16c880bda3cf2bd9dd6ed5a01f74 (patch) | |
| tree | e20283fe2ed46aa35c8ca5fc1724ba067cd2e2f8 /lib/Kconfig.debug | |
| parent | 3f17522ce461a31e7ced6311b28fcf5b8a763316 (diff) | |
| parent | 7278a22143b003e9af7b9ca1b5f1c40ae4b55d98 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/genesis-2.6
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index b520ec1f33c..8e5ec5e1ab9 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 |