chrt: inconsistency in --help

[Martin Steigerwald <ms@teamix.de>]

Hi!

In wheezy I have (util-linux 2.20.1-5.3):

somehost:~$ chrt --help

chrt - manipulate real-time attributes of a process

Set policy:
  chrt [options] <policy> <priority> {<pid> | <command> [<arg> ...]}

Get policy:
  chrt [options] {<pid> | <command> [<arg> ...]}


And this works for a PID if I place "-p" with the options. Like this:

chrt -p -i 0 $$
chrt -pi 0 $$
chrt -i -p 0 $$
chrt -ip 0 $$


In Jessie I have(util-linux 2.25.2-6):

somehost:~$ chrt --help

chrt - manipulate real-time attributes of a process

Set policy:
  chrt [options] [<policy>] <priority> [-p <pid> | <command> [<arg>...]]

Get policy:
  chrt [options] -p <pid>


And this doesn´t work:

chrt -i 0 -p $$
chrt: failed to execute -p: No such file or directory


Suggestion:

1) Either make chrt command parsing more flexible (preffered)

2) or or even and change set policy to

Set policy:
  chrt [options] [-p] [<policy>] <priority> [<pid> | <command> [<arg>...]]


But well second option separates -p from pid. So maybe option 1 is the way 
to go.

What do you think?

Ciao,

-- 
Martin Steigerwald  | Consultant / Trainer

teamix GmbH
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