|  | What:		/sys/kernel/wakeup_reasons/last_resume_reason | 
|  | Date:		February 2014 | 
|  | Contact:	Ruchi Kandoi <kandoiruchi@google.com> | 
|  | Description: | 
|  | The /sys/kernel/wakeup_reasons/last_resume_reason is | 
|  | used to report wakeup reasons after system exited suspend. | 
|  |  | 
|  | What:		/sys/kernel/wakeup_reasons/last_suspend_time | 
|  | Date:		March 2015 | 
|  | Contact:	jinqian <jinqian@google.com> | 
|  | Description: | 
|  | The /sys/kernel/wakeup_reasons/last_suspend_time is | 
|  | used to report time spent in last suspend cycle. It contains | 
|  | two numbers (in seconds) separated by space. First number is | 
|  | the time spent in suspend and resume processes. Second number | 
|  | is the time spent in sleep state. |