get-feature:0x0c (Autonomous Power State Transition), Current value: 0x000001
Autonomous Power State Transition Enable (APSTE): Enabled
Auto PST Entries .................
Entry[ 0]
.................
Idle Time Prior to Transition (ITPT): 1500 ms
Idle Transition Power State (ITPS): 3
.................
Entry[ 1]
Verified on 4.4.0-117-generic, APST was enabled.
#sudo nvme get-feature -f 0x0c -H /dev/nvme0n1
get-feature:0x0c (Autonomous Power State Transition), Current value: 0x000001
Autonomous Power State Transition Enable (APSTE): Enabled
Auto PST Entries .................
Entry[ 0]
.................
Idle Time Prior to Transition (ITPT): 1500 ms
Idle Transition Power State (ITPS): 3
.................
Entry[ 1]