A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
On Wed, Aug 21, 2019 at 04:26:17PM +0800, c00423981 wrote:
> Sorry, I cannot understand this problem accurately. I try to understand it
> and I guess what you want
> to express is that the return value type should be cputime64_t but not u64,
> just like as follows:
>
> +static cputime64_t cpustat_curr_cputime(int cpu, int index)
> +{
> + cputime64_t time;
> +
> + if (index == CPUTIME_IDLE)
> + time = get_idle_time(cpu);
> + else if (index == CPUTIME_IOWAIT)
> + time = get_iowait_time(cpu);
>
> I don't know if I understand it correctly. Looking forward to your answer.
get_iowait_time(cpu) is terminally broken, see commit:
e33a9bba85a8 ("sched/core: move IO scheduling accounting from
io_schedule_timeout() into scheduler")
