XIVE is an AIX Features recently enabled on POWER9 servers, Firmware 940 and AIX 7.2 TL4 sp2 and above, which enhances the interrupt handling for virtualised servers and saved CPU cycles that can be used to run the applications faster.
Commands and links from the video
lsattr -El sys0 -a ex_intr_virt
chdev -l sys0 -a ex_intr_virt=true
echo d opic_type | kdb | grep opic | tail -1 | awk ’{print $2}’
lparstat -H | grep h_xirr
FW940 Release notes: https://delivery04.dhe.ibm.com/sar/CMA/SFA/08xh5/0/01VL940_050_027.html
Article on XIVE with the IEEE
https://ieeexplore.ieee.org/document/8383690
Note: I have retired from IBM but I am still interesting is supporting and helping nmon and njmon users. Plus questions on AIX and Power10. Please use [email protected] from now on.
