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complete-run: don’t parallelize more than the number of tests

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Michael Stapelberg 2011-12-17 11:19:31 +00:00
parent da8d0baa74
commit 81f4b6fc1a
2 changed files with 13 additions and 8 deletions
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16
testcases/complete-run.pl
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@ -61,8 +61,16 @@ pod2usage(-verbose => 2, -exitcode => 0) if $help;
@displays = split(/,/, join(',', @displays));
@displays = map { s/ //g; $_ } @displays;
# 2: get a list of all testcases
my @testfiles = @ARGV;
# if no files were passed on command line, run all tests from t/
@testfiles = <t/*.t> if @testfiles == 0;
my $numtests = scalar @testfiles;
# No displays specified, let’s start some Xdummy instances.
@displays = start_xdummy($parallel) if @displays == 0;
@displays = start_xdummy($parallel, $numtests) if @displays == 0;
# 1: create an output directory for this test-run
my $outdir = "testsuite-";
@ -96,12 +104,6 @@ for my $display (@displays) {
my $timingsjson = StartXDummy::slurp('.last_run_timings.json');
%timings = %{decode_json($timingsjson)} if length($timingsjson) > 0;
# 2: get a list of all testcases
my @testfiles = @ARGV;
# if no files were passed on command line, run all tests from t/
@testfiles = <t/*.t> if @testfiles == 0;
# Re-order the files so that those which took the longest time in the previous
# run will be started at the beginning to not delay the whole run longer than
# necessary.

5
testcases/lib/StartXDummy.pm
View File

@ -27,7 +27,7 @@ the Xdummy processes and a list of PIDs of the processes.
my $x_socketpath = '/tmp/.X11-unix/X';
sub start_xdummy {
my ($parallel) = @_;
my ($parallel, $numtests) = @_;
my @displays = ();
my @childpids = ();
@ -41,6 +41,9 @@ sub start_xdummy {
$parallel ||= $num_cores * 2;
# If we are running a small number of tests, don’t over-parallelize.
$parallel = $numtests if $numtests < $parallel;
# First get the last used display number, then increment it by one.
# Effectively falls back to 1 if no X server is running.
my ($displaynum) = map { /(\d+)$/ } reverse sort glob($x_socketpath . '*');