Thoughts and tutorials on programming

Saturday, November 22, 2008

how to nice processes [decrease priority] using ruby, in windows

garnered from a few entries:

download 'nice.exe' for windows:
http://members.ozemail.com.au/~markhurd/SomeProgs.html
then

require 'win32ole'
loop {
procs = WIN32OLE.connect("winmgmts:\\\\.")
procs.InstancesOf("win32_process").each do |p|
if p.name =~ /ruby/
command = ".\\nice -i -p #{p.processid}" # i for idle
print "running #{command}\n"
system(command)
end
end
sleep 1
}

in that directory will always force your ruby's to idle.

sorry it's not all ruby :)
references:
http://ask.slashdot.org/article.pl?sid=06/09/03/2231244
http://groups.google.com/group/ruby-talk-google/browse_thread/thread/6b6d1a0909932f2b?pli=1

4 comments:

Roger Pack said...

I believe there really is a better way to do this, but this kind of worked.

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Roger Pack said...

see http://github.com/rdp/windows_ionice for how to do with with pure ruby

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