8267371: Concurrent gtests take too long

Reviewed-by: shade, gziemski

Author: tstuefe

test/hotspot/gtest/memory/test_virtualspace.cpp

@@ -664,7 +664,7 @@ class ReservedSpaceRunnable : public TestRunnable {
 
 TEST_VM(VirtualSpace, os_reserve_space_concurrent) {
   ReservedSpaceRunnable runnable;
-  ConcurrentTestRunner testRunner(&runnable, 30, 15000);
+  ConcurrentTestRunner testRunner(&runnable, 5, 3000);
   testRunner.run();
 }
 
@@ -677,6 +677,6 @@ class VirtualSpaceRunnable : public TestRunnable {
 
 TEST_VM(VirtualSpace, os_virtual_space_concurrent) {
   VirtualSpaceRunnable runnable;
-  ConcurrentTestRunner testRunner(&runnable, 30, 15000);
+  ConcurrentTestRunner testRunner(&runnable, 5, 3000);
   testRunner.run();
 }

test/hotspot/gtest/runtime/test_os_linux.cpp

@@ -415,9 +415,11 @@ class ReserveMemorySpecialRunnable : public TestRunnable {
 };
 
 TEST_VM(os_linux, reserve_memory_special_concurrent) {
-  ReserveMemorySpecialRunnable runnable;
-  ConcurrentTestRunner testRunner(&runnable, 30, 15000);
-  testRunner.run();
+  if (UseLargePages) {
+    ReserveMemorySpecialRunnable runnable;
+    ConcurrentTestRunner testRunner(&runnable, 5, 3000);
+    testRunner.run();
+  }
 }
 
 #endif