Re: [PATCH] powerpc/perf: Enable PMU counters post partition migration if PMU is active

2021-07-11 Thread kernel test robot
Hi Athira, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on powerpc/next] [also build test WARNING on v5.13 next-20210709] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented

[PATCH] powerpc/perf: Enable PMU counters post partition migration if PMU is active

2021-07-11 Thread Athira Rajeev
During Live Partition Migration (LPM), it is observed that after migration completion, perf counter values reports 0 incase of system/cpu wide monitoring. However 'perf stat' with workload continues to show counts post migration since PMU gets disabled/enabled during sched switches. Example: ./pe