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-rw-r--r--lib/Kconfig.debug3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 10ef61981149..0efcdca9751a 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -7,7 +7,8 @@ config PRINTK_TIME
included in printk output. This allows you to measure
the interval between kernel operations, including bootup
operations. This is useful for identifying long delays
- in kernel startup.
+ in kernel startup. Or add printk.time=1 at boot-time.
+ See Documentation/kernel-parameters.txt
config DEFAULT_MESSAGE_LOGLEVEL
int "Default message log level (1-7)"