forked from mirrors/nixpkgs
63 lines
1.9 KiB
Perl
63 lines
1.9 KiB
Perl
use strict;
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use Machine;
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$SIG{PIPE} = 'IGNORE'; # because Unix domain sockets may die unexpectedly
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my %vms;
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my $context = "";
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foreach my $vmScript (@ARGV) {
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my $vm = Machine->new($vmScript);
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$vms{$vm->name} = $vm;
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$context .= "my \$" . $vm->name . " = \$vms{'" . $vm->name . "'}; ";
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}
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sub startAll {
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$_->start foreach values %vms;
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}
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sub runTests {
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eval "$context $ENV{tests}";
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die $@ if $@;
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# Copy the kernel coverage data for each machine, if the kernel
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# has been compiled with coverage instrumentation.
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foreach my $vm (values %vms) {
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my ($status, $out) = $vm->execute("test -e /proc/gcov");
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next if $status != 0;
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# Figure out where to put the *.gcda files so that the report
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# generator can find the corresponding kernel sources.
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my $kernelDir = $vm->mustSucceed("echo \$(dirname \$(readlink -f /var/run/current-system/kernel))/.build/linux-*");
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chomp $kernelDir;
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my $coverageDir = "/hostfs" . $vm->stateDir() . "/coverage-data/$kernelDir";
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# Copy all the *.gcda files. The ones under
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# /proc/gcov/module/nix/store are the kernel modules in the
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# initrd to which we have applied nuke-refs in
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# makeModuleClosure. This confuses the gcov module a bit.
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$vm->execute("for i in \$(cd /proc/gcov && find -name module -prune -o -name '*.gcda'); do echo \$i; mkdir -p $coverageDir/\$(dirname \$i); cp -v /proc/gcov/\$i $coverageDir/\$i; done");
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$vm->execute("for i in \$(cd /proc/gcov/module/nix/store/*/.build/* && find -name module -prune -o -name '*.gcda'); do mkdir -p $coverageDir/\$(dirname \$i); cp /proc/gcov/module/nix/store/*/.build/*/\$i $coverageDir/\$i; done");
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}
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}
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END {
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foreach my $vm (values %vms) {
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if ($vm->{pid}) {
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print STDERR "killing ", $vm->{name}, " (pid ", $vm->{pid}, ")\n";
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kill 9, $vm->{pid};
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}
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}
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}
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runTests;
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print STDERR "DONE\n";
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