1What: /sys/kernel/wakeup_reasons/last_resume_reason 2Date: February 2014 3Contact: Ruchi Kandoi <kandoiruchi@google.com> 4Description: 5 The /sys/kernel/wakeup_reasons/last_resume_reason is 6 used to report wakeup reasons after system exited suspend. 7 8What: /sys/kernel/wakeup_reasons/last_suspend_time 9Date: March 2015 10Contact: jinqian <jinqian@google.com> 11Description: 12 The /sys/kernel/wakeup_reasons/last_suspend_time is 13 used to report time spent in last suspend cycle. It contains 14 two numbers (in seconds) separated by space. First number is 15 the time spent in suspend and resume processes. Second number 16 is the time spent in sleep state.