Richard Henderson writes:
> This is the payoff.
>
> From perf record -g data of ubuntu 18 boot and shutdown:
>
> BEFORE:
>
> - 23.02% 2.82% qemu-system-aar [.] helper_lookup_tb_ptr
>- 20.22% helper_lookup_tb_ptr
> + 10.05% tb_htable_lookup
> - 9.13% cpu_get_tb_cpu_state
This is the payoff.
>From perf record -g data of ubuntu 18 boot and shutdown:
BEFORE:
- 23.02% 2.82% qemu-system-aar [.] helper_lookup_tb_ptr
- 20.22% helper_lookup_tb_ptr
+ 10.05% tb_htable_lookup
- 9.13% cpu_get_tb_cpu_state
3.20% aa64_va_parameters_both