On Tue, Jan 15, 2013 at 03:38:53PM +0800, Mike Qiu wrote:

The test results is shown by 'cat /proc/interrups':
          CPU0       CPU1       CPU2       CPU3       
16:     240458     261601     226310     200425      XICS Level     IPI
17:          0          0          0          0      XICS Level     RAS_EPOW
18:         10          0          3          2      XICS Level     hvc_console
19:     122182      28481      28527      28864      XICS Level     ibmvscsi
20:        506    7388226        108        118      XICS Level     eth0
21:          6          5          5          5      XICS Level     host1-0
22:        817        814        816        813      XICS Level     host1-1

Hi Mike,

I am curious if pSeries firmware allows changing affinity masks independently
for multiple MSIs? I.e. in your example, would it be possible to assign IRQ21
and IRQ22 to different CPUs?

Thanks!

LOC:     398077     316725     231882     203049   Local timer interrupts
SPU:       1659        919        961        903   Spurious interrupts
CNT:          0          0          0          0   Performance
monitoring interrupts
MCE:          0          0          0          0   Machine check exceptions

-- 
Regards,
Alexander Gordeev
agordeev@redhat.com