From 0d90d88eff4dd8e31e92e59851e421e7e16a9464 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Thu, 3 Dec 2015 16:35:44 +0800
Subject: [PATCH] lit-test: use coverage in parallel mode.

---
 lit-test/test/lit.cfg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lit-test/test/lit.cfg b/lit-test/test/lit.cfg
index 21b0acc09..0a5cb2c74 100644
--- a/lit-test/test/lit.cfg
+++ b/lit-test/test/lit.cfg
@@ -14,7 +14,7 @@ python_executable = 'python3.5'
 
 harness = os.path.join(root, 'harness.py')
 if os.getenv('COVERAGE'):
-    harness = 'coverage run --append --source=artiq {}'.format(harness)
+    harness = 'coverage run --parallel-mode --source=artiq {}'.format(harness)
     config.environment['COVERAGE_FILE'] = os.path.join(root, '..', '.coverage')
     config.substitutions.append( ('%python', harness) )
 else: