diff options
Diffstat (limited to 'kernel/power/Kconfig')
-rw-r--r-- | kernel/power/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index ca6066a6952e..631de1141247 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -123,6 +123,20 @@ config PM_TEST_SUSPEND You probably want to have your system's RTC driver statically linked, ensuring that it's available when this test runs. +config SUSPEND_DEVICE_TIME_DEBUG + bool "Warnning device suspend/resume takes too much time" + depends on SUSPEND && PM_DEBUG + default n + ---help--- + This option will enable a timing function to check device + suspend time consumption, If the device takes more time that + the threshold(default 0.5 ms), it will print the device and + bus name on the console. You can change the threshold + on-the-fly by modify /sys/power/time_threshold the time unit + is in microsecond. + + This options only for debug proprose, If in doubt, say N. + config SUSPEND_FREEZER bool "Enable freezer for suspend to RAM/standby" \ if ARCH_WANTS_FREEZER_CONTROL || BROKEN |