使用這個命令:
% pmset -g assertions
下面是個人機器的輸出:
10/20/11 8:32:34 PM GMT
Assertion status system-wide:
ChargeInhibit 0
PreventUserIdleDisplaySleep 0
PreventUserIdleSystemSleep 0
NoRealPowerSources_debug 0
CPUBoundAssertion 0
EnableIdleSleep 1
PreventSystemSleep 0
DisableInflow 0
DisableLowPowerBatteryWarnings 0
ExternalMedia 0
Kernel Assertions: 0x0004
* Kernel Assertion ID = 500
Created At = 1/1/70 8:32:41 AM GMT+0
Modified At = 10/20/11 1:10:58 PM GMT
Owner ID = 0xffffff8013645000
Level = 255
Assertions Set = None (4)
* Kernel Assertion ID = 501
Created At = 1/1/70 8:32:50 AM GMT+0
Modified At = 10/20/11 1:10:05 PM GMT
Owner ID = 0xffffff8013655000
Level = 255
Assertions Set = None (4)
* Kernel Assertion ID = 502
Created At = 1/1/70 8:33:59 AM GMT+0
Modified At = 10/20/11 1:13:31 PM GMT
Owner ID = 0xffffff8013674000
Level = 0
Assertions Set = None (32)