Re: [External] Re: [PATCH] cgroup: rstat: Simplified cgroup_base_stat_flush() update last_bstat logic

[Michal Koutný]

On Mon, Jun 12, 2023 at 11:13:41AM +0800, Hao Jia <jiahao.os@xxxxxxxxxxxxx> wrote:
> Sorry for replying you so late. I am using RDTSC on my machine (an Intel
> Xeon(R) Platinum 8260 CPU@2.40GHz machine with 2 NUMA nodes each of which
> has 24 cores with SMT2 enabled, so 96 CPUs in total.) to compare the time
> consumption of arithmetics vs copying. There is almost no difference in the
> time consumption between arithmetics and copying.

Thanks for carrying out and sharing this despite not convincing towards
the change.

Michal