8237488: jdk/jfr/event/compiler/TestCompilerCompile.java failed due to "RuntimeException: No thread in event"

Reviewed-by: egahlin

src/hotspot/share/jfr/jfr.cpp

@@ -90,12 +90,6 @@ bool Jfr::is_excluded(Thread* t) {
   return t != NULL && t->jfr_thread_local()->is_excluded();
 }
 
-void Jfr::on_java_thread_dismantle(JavaThread* jt) {
-  if (JfrRecorder::is_recording()) {
-    JfrCheckpointManager::write_thread_checkpoint(jt);
-  }
-}
-
 void Jfr::on_vm_shutdown(bool exception_handler) {
   if (JfrRecorder::is_recording()) {
     JfrEmergencyDump::on_vm_shutdown(exception_handler);

src/hotspot/share/jfr/jfr.hpp

@@ -49,7 +49,6 @@ class Jfr : AllStatic {
   static void on_unloading_classes();
   static void on_thread_start(Thread* thread);
   static void on_thread_exit(Thread* thread);
-  static void on_java_thread_dismantle(JavaThread* jt);
   static void on_vm_shutdown(bool exception_handler = false);
   static bool on_flight_recorder_option(const JavaVMOption** option, char* delimiter);
   static bool on_start_flight_recording_option(const JavaVMOption** option, char* delimiter);

src/hotspot/share/jfr/recorder/checkpoint/types/jfrType.cpp

@@ -108,7 +108,7 @@ void JfrCheckpointThreadClosure::do_thread(Thread* t) {
 
 void JfrThreadConstantSet::serialize(JfrCheckpointWriter& writer) {
   JfrCheckpointThreadClosure tc(writer);
-  JfrJavaThreadIterator javathreads;
+  JfrJavaThreadIterator javathreads(false); // include not yet live threads (_thread_new)
   while (javathreads.has_next()) {
     tc.do_thread(javathreads.next());
   }

src/hotspot/share/jfr/recorder/service/jfrRecorderService.cpp

@@ -400,8 +400,8 @@ static RecorderState recorder_state = STOPPED;
 
 static void set_recorder_state(RecorderState from, RecorderState to) {
   assert(from == recorder_state, "invariant");
-  OrderAccess::storestore();
   recorder_state = to;
+  OrderAccess::fence();
 }
 
 static void start_recorder() {
@@ -417,18 +417,16 @@ static void stop_recorder() {
 }
 
 bool JfrRecorderService::is_recording() {
-  const bool is_running = recorder_state == RUNNING;
+  return recorder_state == RUNNING;
-  OrderAccess::loadload();
-  return is_running;
 }
 
 void JfrRecorderService::start() {
   JfrRotationLock lock;
   assert(!is_recording(), "invariant");
   clear();
-  open_new_chunk();
   start_recorder();
   assert(is_recording(), "invariant");
+  open_new_chunk();
 }
 
 static void stop() {

src/hotspot/share/jfr/support/jfrThreadLocal.cpp

@@ -92,8 +92,8 @@ void JfrThreadLocal::on_start(Thread* t) {
   assert(Thread::current() == t, "invariant");
   JfrJavaSupport::on_thread_start(t);
   if (JfrRecorder::is_recording()) {
-    if (!t->jfr_thread_local()->is_excluded()) {
     JfrCheckpointManager::write_thread_checkpoint(t);
+    if (!t->jfr_thread_local()->is_excluded()) {
       if (t->is_Java_thread()) {
         send_java_thread_start_event((JavaThread*)t);
       }

src/hotspot/share/jfr/utilities/jfrThreadIterator.cpp

@@ -32,14 +32,17 @@ static bool thread_inclusion_predicate(Thread* t) {
   return !t->jfr_thread_local()->is_dead();
 }
 
-static bool java_thread_inclusion_predicate(JavaThread* jt) {
+static bool java_thread_inclusion_predicate(JavaThread* jt, bool live_only) {
   assert(jt != NULL, "invariant");
-  return thread_inclusion_predicate(jt) && jt->thread_state() != _thread_new;
+  if (live_only && jt->thread_state() == _thread_new) {
+    return false;
+  }
+  return thread_inclusion_predicate(jt);
 }
 
-static JavaThread* next_java_thread(JavaThreadIteratorWithHandle& iter) {
+static JavaThread* next_java_thread(JavaThreadIteratorWithHandle& iter, bool live_only) {
   JavaThread* next = iter.next();
-  while (next != NULL && !java_thread_inclusion_predicate(next)) {
+  while (next != NULL && !java_thread_inclusion_predicate(next, live_only)) {
     next = iter.next();
   }
   return next;
@@ -57,17 +60,19 @@ static NonJavaThread* next_non_java_thread(NonJavaThread::Iterator& iter) {
   return NULL;
 }
 
-JfrJavaThreadIteratorAdapter::JfrJavaThreadIteratorAdapter() : _iter(), _next(next_java_thread(_iter)) {}
+JfrJavaThreadIteratorAdapter::JfrJavaThreadIteratorAdapter(bool live_only /* true */) : _iter(),
+                                                                                        _next(next_java_thread(_iter, live_only)),
+                                                                                        _live_only(live_only) {}
 
 JavaThread* JfrJavaThreadIteratorAdapter::next() {
   assert(has_next(), "invariant");
   Type* const temp = _next;
-  _next = next_java_thread(_iter);
+  _next = next_java_thread(_iter, _live_only);
   assert(temp != _next, "invariant");
   return temp;
 }
 
-JfrNonJavaThreadIteratorAdapter::JfrNonJavaThreadIteratorAdapter() : _iter(), _next(next_non_java_thread(_iter)) {}
+JfrNonJavaThreadIteratorAdapter::JfrNonJavaThreadIteratorAdapter(bool live_only /* true */) : _iter(), _next(next_non_java_thread(_iter)) {}
 
 bool JfrNonJavaThreadIteratorAdapter::has_next() const {
   return _next != NULL;

src/hotspot/share/jfr/utilities/jfrThreadIterator.hpp

@@ -34,7 +34,7 @@ class JfrThreadIterator : public AP {
  private:
   Adapter _adapter;
  public:
-  JfrThreadIterator() : _adapter() {}
+  JfrThreadIterator(bool live_only = true) : _adapter(live_only) {}
   typename Adapter::Type* next() {
     assert(has_next(), "invariant");
     return _adapter.next();
@@ -48,9 +48,10 @@ class JfrJavaThreadIteratorAdapter {
  private:
   JavaThreadIteratorWithHandle _iter;
   JavaThread* _next;
+  bool _live_only;
  public:
   typedef JavaThread Type;
-  JfrJavaThreadIteratorAdapter();
+  JfrJavaThreadIteratorAdapter(bool live_only = true);
   bool has_next() const {
     return _next != NULL;
   }
@@ -63,7 +64,7 @@ class JfrNonJavaThreadIteratorAdapter {
   NonJavaThread* _next;
  public:
   typedef NonJavaThread Type;
-  JfrNonJavaThreadIteratorAdapter();
+  JfrNonJavaThreadIteratorAdapter(bool live_only = true);
   bool has_next() const;
   Type* next();
 };

src/hotspot/share/prims/jvm.cpp

@@ -95,9 +95,11 @@
 #if INCLUDE_CDS
 #include "classfile/systemDictionaryShared.hpp"
 #endif
+#if INCLUDE_JFR
+#include "jfr/jfr.hpp"
+#endif
 
 #include <errno.h>
-#include <jfr/recorder/jfrRecorder.hpp>
 
 /*
   NOTE about use of any ctor or function call that can trigger a safepoint/GC:
@@ -3076,7 +3078,7 @@ JVM_ENTRY(void, JVM_StartThread(JNIEnv* env, jobject jthread))
   }
 
 #if INCLUDE_JFR
-  if (JfrRecorder::is_recording() && EventThreadStart::is_enabled() &&
+  if (Jfr::is_recording() && EventThreadStart::is_enabled() &&
       EventThreadStart::is_stacktrace_enabled()) {
     JfrThreadLocal* tl = native_thread->jfr_thread_local();
     // skip Thread.start() and Thread.start0()

src/hotspot/share/runtime/thread.cpp

@@ -2045,7 +2045,6 @@ void JavaThread::exit(bool destroy_vm, ExitType exit_type) {
         CLEAR_PENDING_EXCEPTION;
       }
     }
-    JFR_ONLY(Jfr::on_java_thread_dismantle(this);)
 
     // Call Thread.exit(). We try 3 times in case we got another Thread.stop during
     // the execution of the method. If that is not enough, then we don't really care. Thread.stop