Re: [PATCH] kernel: use ktime_get_real_ts64() to calculate acct.ac_btime

From: Jan Stancek
Date: Mon Nov 11 2019 - 04:41:39 EST



----- Original Message -----
> It's wrecked in general. It also jumps around for any REALTIME
> adjustment.
>
> > So a CLOCK_REALTIME time stamp at fork would at least be correct
> > vs. suspend resume.
>
> But still wrecked vs REALTIME jumps, as in, when DST flips the clock
> back an hour, your timestamp is in the future.
>
> Any which way around the whole thing is buggered. The only real fix is
> not using REALTIME anything. Which is why I'm loath to add that REALTIME
> timestamp at fork(), it just encourages more use.

Thank you for feedback and listing all other problems.
I'll adjust test expectations.

Regards,
Jan