The attached is ltp test results with NO_HZ_FULL built-in and activate on kernel cmdline, e.g. isolcpus=2-15,18-31 nohz_full=2-15,18-31 rcu_nocbs=2-15,18-31 also set irq affinity to avoid interrupts hit isolated CPUs
tests were run on cpu 4
The attached is ltp test results with NO_HZ_FULL built-in and activate on kernel cmdline, e.g. 2-15,18- 31 rcu_nocbs= 2-15,18- 31
isolcpus=2-15,18-31 nohz_full=
also set irq affinity to avoid interrupts hit isolated CPUs
tests were run on cpu 4