am 93a91f0c: Force cts to only run one test at a time.

* commit '93a91f0cf4f015762ac1ed57395c4c0de8ba7db3':
  Force cts to only run one test at a time.

tests/Android.mk

@@ -241,7 +241,12 @@ libBionicCtsGtestMain_src_files := gtest_main.cpp
 
 libBionicCtsGtestMain_cflags := $(test_cflags)
 
-libBionicCtsGtestMain_cppflags := $(test_cppflags) -DUSING_GTEST_OUTPUT_FORMAT
+libBionicCtsGtestMain_cppflags := $(test_cppflags) -DUSING_GTEST_OUTPUT_FORMAT \
+
+# Temporarily fix the job count to 1 for CTS since on some devices the
+# number of online cores is incorrectly read as the total number of cores
+# in the system. When b/24376925 is fixed, this should be removed.
+libBionicCtsGtestMain_cppflags += -DJOB_COUNT_FIXED=1
 
 module := libBionicCtsGtestMain
 module_tag := optional

tests/gtest_main.cpp

@@ -59,7 +59,7 @@ using testing::internal::COLOR_GREEN;
 using testing::internal::COLOR_YELLOW;
 using testing::internal::ColoredPrintf;
 
-constexpr int DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS = 60000;
+constexpr int DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS = 90000;
 constexpr int DEFAULT_GLOBAL_TEST_RUN_WARNLINE_MS = 2000;
 
 // The time each test can run before killed for the reason of timeout.
@@ -839,8 +839,12 @@ static bool RunTestInSeparateProc(int argc, char** argv, std::vector<TestCase>&
   return all_tests_passed;
 }
 
-static size_t GetProcessorCount() {
+static size_t GetDefaultJobCount() {
+#if defined(JOB_COUNT_FIXED)
+  return JOB_COUNT_FIXED;
+#else
   return static_cast<size_t>(sysconf(_SC_NPROCESSORS_ONLN));
+#endif
 }
 
 static void AddPathSeparatorInTestProgramPath(std::vector<char*>& args) {
@@ -950,7 +954,7 @@ static bool PickOptions(std::vector<char*>& args, IsolationTestOptions& options)
   }
 
   // Init default isolation test options.
-  options.job_count = GetProcessorCount();
+  options.job_count = GetDefaultJobCount();
   options.test_deadline_ms = DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS;
   options.test_warnline_ms = DEFAULT_GLOBAL_TEST_RUN_WARNLINE_MS;
   options.gtest_color = testing::GTEST_FLAG(color);