[...]
> > > What about Linux inmate cells on Intel? Has anybody else seem horrid
> > > timer resolutions (like ".resolution: 1000000 nsecs") as well? The
> > > aforementioned ARM patch makes no sense for the x86's version of time.c,
> > > I guess. Should we be providing HPET address to the inmate the same way
> > > it's done for PM timer address? Any other ideas?
> >
> > What's your setup exactly?
>
> Maybe it's something in my inmate Linux config? I've tried with two
> codebases there: RT Linux and upstream (both with Jailhouse patches,
> naturally). I'll attach one of the configs.
OK, apparently this fixes that (just as for ARM):
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -85,6 +85,7 @@ static __init void x86_late_time_init(void)
{
x86_init.timers.timer_init();
tsc_init();
+ tick_setup_hrtimer_broadcast();
}
so that I now see
cpu: 0
clock 0:
.base: ffff880003813300
.index: 0
.resolution: 1 nsecs
.get_time: ktime_get
.offset: 0 nsecs
--
Gustavo Lima Chaves
Intel - Open Source Technology Center
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