Chef cookbook to manage CPU related actions on linux.

Linux 2.6+ tested on Ubuntu.

• node['cpu']['governor'] - governator for to set for the node

Set the governator for the node from attributes

Install software to set cpu affinity of a process.

Set the affinity for a process.

• set - Set affinity

• cpu : Cpu(s) affinity - required
• pid : Pid or PidFile - name

cpu_affinity 1234 do
  cpu 0
end

# Set affinity to processor 0,1,2 for process nginx
cpu-affinity "set affinity for nginx" do
  pid "/var/run/nginx.pid"
  cpu "0-2"
end

Set the priority for a process.

• set - Set priority

• pid : Pid or PidFile - name
• priority : priority for process

cpu_nice 1234 do
  priority 12
end

cpu_nice "set affinity for nginx" do
  pid "/var/run/nginx.pid"
  priority 19
end

in a recipe:

node.set["node"]["cpu"]["governor"] = "performance" include_recipe "cpu::governor"