On 04/24/2010 02:21 AM, David S. Ahern wrote:
On 04/23/2010 04:21 PM, BRUNO CESAR RIBAS wrote:
Could you try hpet? I had similar problem with multicore and multiCPU (per
mother board) [even with constant_tsc].
Since I changed the guest to hpet i had no more problems.
It's stable in the sense of no lockups yet, but is a much slower time
source from a gettimeofday perspective compared to tsc and jiffies
(based on speed jiffies appears to be tsc-based).
Jiffies doesn't sample any hardware; instead, a timer interrupt causes a
counter to be incremented, and that counter is sampled. The downside is
that clock granularity is very low - you can't use it for accurate timing.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
