diff --git a/server/test.py b/server/test.py
index 8fdba9d7..c184d65 100644
--- a/server/test.py
+++ b/server/test.py
@@ -27,6 +27,9 @@
 import pickle
 from autotest_lib.client.bin import test
 mytest = test.test(job, '', %r)
+# success is passed in so diffable_logdir can decide if or not to collect
+# full log content.
+mytest.success = %s
 sysinfo_pickle = os.path.join(mytest.outputdir, 'sysinfo.pickle')
 if os.path.exists(sysinfo_pickle):
     job.sysinfo = pickle.load(open(sysinfo_pickle))
@@ -200,7 +203,7 @@
     def after_hook(self, mytest, host, at, outputdir):
         self._push_pickle(host, outputdir);
         # run the post-test sysinfo script
-        at.run(_sysinfo_after_test_script % outputdir,
+        at.run(_sysinfo_after_test_script % (outputdir, mytest.success),
                results_dir=self.job.resultdir)
 
         self._pull_sysinfo_keyval(host, outputdir, mytest)