What are the per-cpu host timers used for?
jan.kiszka at siemens.com
Fri Sep 4 12:44:15 CEST 2020
On 04.09.20 10:00, 孙世龙 sunshilong via Xenomai wrote:
> Hi, list
> There are several host timers that could be seen through the virtual
> file named as /proc/xenomai/timer/coreclk,i.e:
> ~ # cat /proc/xenomai/timer/coreclk
> CPU SCHED/SHOT TIMEOUT INTERVAL NAME
> 0 239162/150321 3ms467us - [host-timer/0]
> 1 33839/31631 10ms657us - [host-timer/1]
> 2 22189/19355 60us - [host-timer/2]
> 3 45244/41172 90us - [host-timer/3]
> What are the per-cpu host timers used for?
They inject timers set by Linux against the virtual clockevent device.
That device is provided by I-pipe as replacement for the "stolen"
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