src/hotspot/share/prims/jni.cpp

rev 56101 : 8227745: Enable Escape Analysis for better performance when debugging
Reviewed-by: ???

@@ -64,10 +64,11 @@
 #include "prims/jvm_misc.hpp"
 #include "prims/jvmtiExport.hpp"
 #include "prims/jvmtiThreadState.hpp"
 #include "runtime/atomic.hpp"
 #include "runtime/compilationPolicy.hpp"
+#include "runtime/deoptimization.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/interfaceSupport.inline.hpp"
 #include "runtime/java.hpp"
 #include "runtime/javaCalls.hpp"

@@ -4140,10 +4141,14 @@
   { MutexLocker ml(Threads_lock);
     // This must be inside this lock in order to get FullGCALot to work properly, i.e., to
     // avoid this thread trying to do a GC before it is added to the thread-list
     thread->set_active_handles(JNIHandleBlock::allocate_block());
     Threads::add(thread, daemon);
+    // Avoid pushing frames with ea based optimizations while deoptimization is in progress
+    while (JVMTIEscapeBarrier::deoptimizing_objects_for_all_threads()) {
+      Threads_lock->wait();
+    }
   }
   // Create thread group and name info from attach arguments
   oop group = NULL;
   char* thread_name = NULL;
   if (args != NULL && Threads::is_supported_jni_version(args->version)) {