1{
2 latestKernel,
3 lib,
4 ...
5}:
6
7{
8 name = "systemd-analyze";
9 meta.maintainers = with lib.maintainers; [ raskin ];
10
11 _module.args.latestKernel = lib.mkDefault false;
12
13 nodes.machine =
14 { pkgs, lib, ... }:
15 {
16 boot.kernelPackages = lib.mkIf latestKernel pkgs.linuxPackages_latest;
17 };
18
19 testScript = ''
20 machine.wait_for_unit("multi-user.target")
21
22 # We create a special output directory to copy it as a whole
23 with subtest("Prepare output dir"):
24 machine.succeed("mkdir systemd-analyze")
25
26
27 # Save the output into a file with given name inside the common
28 # output directory
29 def run_systemd_analyze(args, name):
30 tgt_dir = "systemd-analyze"
31 machine.succeed(
32 "systemd-analyze {} > {}/{} 2> {}/{}.err".format(
33 " ".join(args), tgt_dir, name, tgt_dir, name
34 )
35 )
36
37
38 with subtest("Print statistics"):
39 run_systemd_analyze(["blame"], "blame.txt")
40 run_systemd_analyze(["critical-chain"], "critical-chain.txt")
41 run_systemd_analyze(["dot"], "dependencies.dot")
42 run_systemd_analyze(["plot"], "systemd-analyze.svg")
43
44 # We copy the main graph into the $out (toplevel), and we also copy
45 # the entire output directory with additional data
46 with subtest("Copying the resulting data into $out"):
47 machine.copy_from_vm("systemd-analyze/", "")
48 machine.copy_from_vm("systemd-analyze/systemd-analyze.svg", "")
49 '';
50}