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Home > Forums > Desktop Software > PC Operating Systems > Linux (client/desktop) Forum

How to change the scheduler value through code.Helpful Member! 

thread619-1673444
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ashish061291 (Programmer)
30 Jan 12 23:13
How can we change the scheduler from "cfq" (by default) to "noop" through code.
Basically I am working with Perl.

I know how we can change it manually
"echo noop > /sys/block/sda/queue/scheduler"
but how to do it via code.
Helpful Member!  Annihilannic (MIS)
31 Jan 12 0:23
Well, system("echo noop > /sys/block/sda/queue/scheduler"); would be fine.  Or I guess if you preferred you could open SCHEDULER,">/sys/block/sda/queue/scheduler" or die; print SCHEDULER "noop\n"; close SCHEDULER;.

Annihilannic
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ashish061291 (Programmer)
31 Jan 12 9:16
thnx alot smile
it was really helpful...
ashish061291 (Programmer)
7 Mar 12 6:05
Hi again,
I have a GUI which accepts the value of the scheduler.
This value is then saved in a variable.

So, how can i use that variable in echo command.

Kindly help...
Annihilannic (MIS)
7 Mar 12 17:11
Just put the variable name in there instead of "noop".

Annihilannic
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