Dump amount of used memory by guest

2018-07-12 19:29:35 +00:00 · 2018-07-12 19:29:35 +00:00 · 1184fa3d7e
commit 1184fa3d7e
parent 17891a0024
1 changed files with 9 additions and 0 deletions
--- a/nix/base.nix
+++ b/nix/base.nix
@ -1,3 +1,4 @@
+{pkgs, ...}:
 {
  imports = [
    <nix/monitor.nix>
@ -39,6 +40,14 @@ startup = do
  spawn "spice-vdagent"
  '';

+  environment.systemPackages = [ pkgs.bc ];
+  services.cron = {
+    enable = true;
+    systemCronJobs = [
+      "* * * * *      root    free -m | grep Mem | awk '{print $2 \"-\" $4}' | bc > /home/user/.memory_used"
+    ];
+  };
+
  systemd.services.home-user-build-xmonad = {
    description = "Create and xmonad configuration";
    serviceConfig = {