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Collecting systemd units execution times in NixOS tests #47883

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Collecting systemd units execution times in NixOS tests #47883

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10 changes: 10 additions & 0 deletions nixos/lib/test-driver/Machine.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -396,6 +396,16 @@ sub systemctl {
return $self->execute("systemctl $q");
}

sub systemdAnalyzeBlame {
my ($self) = @_;
my ($status, $lines) = $self->execute("systemd-analyze blame");
return undef if $status != 0;
foreach my $line (split /\n/ ,$lines) {
$line =~ s/\s*//;
$self->log($line);
}
}

# Fail if the given systemd unit is not in the "active" state.
sub requireActiveUnit {
my ($self, $unit) = @_;
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7 changes: 7 additions & 0 deletions nixos/lib/test-driver/test-driver.pl
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Expand Up @@ -122,6 +122,13 @@ sub runTests {
$term->WriteHistory;
}

$log->nest("collecting systemd units exection time", sub {
foreach my $vm (values %vms) {
next unless $vm->isUp();
$vm->systemdAnalyzeBlame();
}
});

# Copy the kernel coverage data for each machine, if the kernel
# has been compiled with coverage instrumentation.
$log->nest("collecting coverage data", sub {
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