On 04/28/2016 02:57 PM, Daniel Wagner wrote:
> Only one complete_all() user could been identified so far, which happens
> to be drivers/base/power/main.c. Several waiters appear when suspend
> to disk or mem is executed.
BTW, this is what I get when doing a 'echo "disk" > /sys/power/state' on
a 4 socket E5-4610 (Ivy Bridge EP) system.
swait_stat version 0.1
---------------------------------------------------------------------------------------------
class name 1 waiter 2 waiters 3 waiters
4+ waiters
---------------------------------------------------------------------------------------------
[...]
&x->wait#12 90 11 5
1
[<ffffffff815dd462>] dpm_wait+0x32/0x40
20
[<ffffffff815de5d4>] __device_suspend+0x1b4/0x370
4
[<ffffffff815de1e4>] __device_suspend_late+0x74/0x210
22
[<ffffffff815ddf21>] __device_suspend_noirq+0x51/0x200
2
[<ffffffff815ddaf9>] device_resume_early+0x69/0x1b0
59
[<ffffffff815ddce0>] device_resume+0x50/0x1f0
[...]
