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linuxPackages.systemtap: 4.8 -> 5.0a, add nixos tests (#276840)

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* nixos/tests/systemtap: init smoke test

* linuxPackages.systemtap: use --sysroot instead of -r

* nixos/tests/systemtap: rule out warnings

* linuxPackages.systemtap: smaller sysroot

* nixos/tests/systemtap: test on a few more kernels

* linuxPackages.systemtap: provide debuginfo for tracing kernel.function

* linuxPackages.systemtap: test kernel.function probe

* linuxPackages.systemtap: 4.8 -> 5.0a
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Herwig Hochleitner 2024-01-09 19:38:02 +01:00 • committed by GitHub
parent 4b73ceed19
commit ae34cddb51
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3 changed files with 62 additions and 3 deletions
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nixos/tests/systemtap.nix Normal file
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{ system ? builtins.currentSystem
, config ? { }
, pkgs ? import ../.. { inherit system config; }
}@args:
with pkgs.lib;
let
stapScript = pkgs.writeText "test.stp" ''
probe kernel.function("do_sys_poll") {
println("kernel function probe & println work")
exit()
}
'';
## TODO shared infra with ../kernel-generic.nix
testsForLinuxPackages = linuxPackages: (import ./make-test-python.nix ({ pkgs, ... }: {
name = "kernel-${linuxPackages.kernel.version}";
meta = with pkgs.lib.maintainers; {
maintainers = [ bendlas ];
};
nodes.machine = { ... }:
{
boot.kernelPackages = linuxPackages;
programs.systemtap.enable = true;
};
testScript =
''
with subtest("Capture stap ouput"):
output = machine.succeed("stap ${stapScript} 2>&1")
with subtest("Ensure that expected output from stap script is there"):
assert "kernel function probe & println work\n" == output, "kernel function probe & println work\n != " + output
'';
}) args);
## TODO shared infra with ../kernel-generic.nix
kernels = {
inherit (pkgs.linuxKernel.packageAliases) linux_default linux_latest;
};
in mapAttrs (_: lP: testsForLinuxPackages lP) kernels // {
passthru = {
inherit testsForLinuxPackages;
testsForKernel = kernel: testsForLinuxPackages (pkgs.linuxPackagesFor kernel);
};
}