> I gave the patch below a try and we are reaching the same results,
> even better. The simplest solution is always the best. Nick, you
> should send that single patch.
FYI, here are results in a KVM guests with pinned vCPUs.
* P9 DD2.2 - 2s * 64 threads - KVM guest :
On 4/1/21 2:50 PM, Nicholas Piggin wrote:
> Excerpts from Cédric Le Goater's message of April 1, 2021 12:45 am:
>> ipistorm [*] can be used to benchmark the raw interrupt rate of an
>> interrupt controller by measuring the number of IPIs a system can
>> sustain. When applied to the XIVE interrupt c
Excerpts from Cédric Le Goater's message of April 1, 2021 12:45 am:
> ipistorm [*] can be used to benchmark the raw interrupt rate of an
> interrupt controller by measuring the number of IPIs a system can
> sustain. When applied to the XIVE interrupt controller of POWER9 and
> POWER10 systems, a si
ipistorm [*] can be used to benchmark the raw interrupt rate of an
interrupt controller by measuring the number of IPIs a system can
sustain. When applied to the XIVE interrupt controller of POWER9 and
POWER10 systems, a significant drop of the interrupt rate can be
observed when crossing the secon
