Re: nice question (pun optional)

On Thu, Jun 9, 2022 at 5:04 AM Steve Blinkhorn <[email protected]> wrote:
>
> I have a process that I want to run at the highest possible priority.
> Tt curr4ently runs with NICE set at 0 and PRI showing at 43.  Most
> other swtuff shows up with a PRI at 85.  As I understand things, the
> highest priority is 0.
>
> So I use renice(1) to set NICE to -20, which is the highest priority,
> but the value of PRI goes from 43 to 63, i.e. a lower priority.
>
> This happens regardless of which shell I use, BTW.
>
> What's going on, or what am I misunderstanding?

- is incrementing lower, + increments higher (higher priority). 0 is
highest. Any process with a nice number larger than 0 is a lower
priority. According to top, almost every process on my system is at
nice 0.

Andy