nixpkgs/nixos/tests/ksm.nix

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import ./make-test-python.nix ({ lib, ...} :
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{
name = "ksm";
meta = with lib.maintainers; {
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maintainers = [ rnhmjoj ];
};
machine = { ... }: {
imports = [ ../modules/profiles/minimal.nix ];
hardware.ksm.enable = true;
hardware.ksm.sleep = 300;
};
testScript =
''
machine.start()
machine.wait_until_succeeds("test $(</sys/kernel/mm/ksm/run) -eq 1")
machine.wait_until_succeeds("test $(</sys/kernel/mm/ksm/sleep_millisecs) -eq 300")
'';
})