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-rw-r--r--lib/Kconfig.debug8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 65f964e7fe78..4dc24cc13f5c 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -520,11 +520,13 @@ config LOCK_STAT
520 520
521 For more details, see Documentation/lockstat.txt 521 For more details, see Documentation/lockstat.txt
522 522
523 You can analyze lock events with "perf lock", subcommand of perf. 523 This also enables lock events required by "perf lock",
524 If you want to use "perf lock", you need to turn on CONFIG_EVENT_TRACING. 524 subcommand of perf.
525 If you want to use "perf lock", you also need to turn on
526 CONFIG_EVENT_TRACING.
525 527
526 CONFIG_LOCK_STAT defines "contended" and "acquired" lock events. 528 CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
527 (CONFIG_LOCKDEP defines "acquire" and "release" events.) 529 (CONFIG_LOCKDEP defines "acquire" and "release" events.)
528 530
529config DEBUG_LOCKDEP 531config DEBUG_LOCKDEP
530 bool "Lock dependency engine debugging" 532 bool "Lock dependency engine debugging"