Thread (14 messages) flat view 14 messages, 3 authors, 2021-06-01

Re: [PATCH v2 2/5] tick/broadcast: Split __tick_broadcast_oneshot_control() into a helper

From: Xin Hao <hidden>
Date: 2021-05-27 07:23:14
Also in: lkml

Hi  will:

      I  had backport you  tick/broadcast: Prefer per-cpu relatives 
patches,

but i did not get the true result,  the Wakeup Devices are all null, why?

my machine is armv8-a arm64

#cat current_clocksource
arch_sys_counter

my local clock event is

Tick Device: mode:     1
Per CPU device: 95
Clock Event Device: arch_sys_timer
  max_delta_ns:   21474836451
  min_delta_ns:   1000
  mult:           429496730
  shift:          32
  mode:           3
  next_event:     14951080000000 nsecs
  set_next_event: arch_timer_set_next_event_phys
  shutdown: arch_timer_shutdown_phys
  oneshot stopped: arch_timer_shutdown_phys
  event_handler:  hrtimer_interrupt
  retries:        70
Wakeup Device: <NULL>

cat /proc/timer_list  | grep "Wakeup Device:"

Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>
Wakeup Device: <NULL>

Wakeup Device: <NULL>

-- 
Best Regards!
Xin Hao


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