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xen-devel
Re: [Xen-devel] query related to NOW()
On 27/2/07 10:03, "Pradeep Singh, TLS-Chennai" <pradeep_s@xxxxxx> wrote:
My query is then why is TSC register used in xen to get the current time??
Does this means Xen doesnot have good SMP support and also doesnot support hibernation?
Just to add using TSC register means hampering portability, right? Then why does Xen uses it?
Scale factors and timestamps are provided by the hypervisor which allow the guest to safely convert the result of RDTSC into a meaningful portable time value.
-- Keir
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