[CRIU] clock_gettime(MONOTONIC) changing after restore
Cyrill Gorcunov
gorcunov at gmail.com
Wed Aug 5 08:49:50 PDT 2015
On Wed, Aug 05, 2015 at 06:19:39PM +0300, Pavel Emelyanov wrote:
> On 08/03/2015 05:30 PM, Christopher Covington wrote:
> >
> > B) Change the kernel to allow setting the monotonic clock. The whole point of
> > the monotonic clock is that it can't be modified at run time, but maybe a boot
> > parameter would be acceptable? One would have to estimate and add in the time
> > it takes for the system to boot/kexec and run CRIU restore.
>
> This is the way we ... expect it to be fixed. The effort is known by the title
> "time namespace", when a new container starts we may be able to specify some
> time offset that will be applied to all the time-ings we will get from the kernel.
Yes. I'm thinking of it. Didn't come up with conclusion yet or any prototype,
but it's not forgotten.
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