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bulletman
Tux's lil' helper
Joined: 04 Jul 2002
Posts: 126
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 Posted: Sat Jan 31, 2004 12:06 pm Post subject: Permission to set nice |
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It seems that, as a regular user, I can't nice a process below zero to give it a higher priority
Is there some configuration that would allow me to do this? Thanks.
_________________
Stephen
If your desktop gets out of control easily,
you probably have too much stuff on it that
doesn't need to be there.
Donna Smallin, "Unclutter Your Home" |
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superurban
n00b
Joined: 17 May 2003
Posts: 37
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| Posted: Sat Jan 31, 2004 12:12 pm Post subject: |
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bulletman,
only root can nice a process below zero, true. you can use sudo for a workaround (man sudo).
cheers |
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bulletman
Tux's lil' helper
Joined: 04 Jul 2002
Posts: 126
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| Posted: Sat Jan 31, 2004 3:11 pm Post subject: |
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Here's a snippet from my top output:
..PID.USER......PR..NI..VIRT..RES..SHR.S.%CPU.%MEM....TIME+..COMMAND
.8087.stephen...20..19.41880..40m..13m.R.91.1..4.6..75:31.01.java
1293.stephen...14...0...976..976..720.R..8.9..0.1...0:00.11.top
.....1.root........8...0...464..432..416.S..0.0..0.0...0:04.02.init
1188.stephen....9...0.12096.7892.7728.S..0.0..0.9...0:00.24.kdeinit
1188.stephen....9...0.13864.9348.8572.S..0.0..1.0...0:00.07.kdeinit
1188.stephen....9...0.15112...9m.9620.S..0.0..1.1...0:00.42.kdeinit
Does everything I launch get set to nice 0 level by default? That doesn't make sense to me since it makes it harder for me to give one task higher priority than another.
_________________
Stephen
If your desktop gets out of control easily,
you probably have too much stuff on it that
doesn't need to be there.
Donna Smallin, "Unclutter Your Home" |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54578
Location: 56N 3W
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| Posted: Sat Jan 31, 2004 3:31 pm Post subject: |
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bulletman,
By default, everything you run gets set to nice 0, unless the progam sets a positive nice level. e.g. seti@home sets its nice to 1.
Be careful about setting your processes niceness (nastyness?) to negative numbers. If they are CPU intensive, you may find that X gets very little CPU time.
The original use for nice was on a real multi user system, you could be nice to other interactive users by setting a positive value for nice for your own batch jobs. It made the machine more responsive to everyone.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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