On Fri, 2015-02-20 at 14:45 +0100, Alexander Graf wrote:
>
> On 18.02.15 10:32, Bogdan Purcareata wrote:
> > Due to the introduction of the raw_spinlock for the KVM openpic, guests
> > with a
> > high number of VCPUs may induce great latencies on the underlying RT Linux
> > system (e.g. cyclictes
On 18.02.15 10:32, Bogdan Purcareata wrote:
> Due to the introduction of the raw_spinlock for the KVM openpic, guests with a
> high number of VCPUs may induce great latencies on the underlying RT Linux
> system (e.g. cyclictest reports latencies of ~15ms for guests with 24 VCPUs).
> This can be f
On 02/18/2015 10:32 AM, Bogdan Purcareata wrote:
> Due to the introduction of the raw_spinlock for the KVM openpic, guests with a
> high number of VCPUs may induce great latencies on the underlying RT Linux
> system (e.g. cyclictest reports latencies of ~15ms for guests with 24 VCPUs).
> This can b
Due to the introduction of the raw_spinlock for the KVM openpic, guests with a
high number of VCPUs may induce great latencies on the underlying RT Linux
system (e.g. cyclictest reports latencies of ~15ms for guests with 24 VCPUs).
This can be further aggravated by sending a lot of external interru