src/os/windows/vm/os_windows.cpp

rev 10257 : 8149036: Add tracing for thread related events at os level
Reviewed-by: coleenp, mlarsson

@@ -33,10 +33,11 @@
 #include "code/vtableStubs.hpp"
 #include "compiler/compileBroker.hpp"
 #include "compiler/disassembler.hpp"
 #include "interpreter/interpreter.hpp"
 #include "jvm_windows.h"
+#include "logging/log.hpp"
 #include "memory/allocation.inline.hpp"
 #include "memory/filemap.hpp"
 #include "mutex_windows.inline.hpp"
 #include "oops/oop.inline.hpp"
 #include "os_share_windows.hpp"

@@ -434,20 +435,24 @@
   int res = 30115;  // non-java thread
   if (thread->is_Java_thread()) {
     res = 20115;    // java thread
   }
 
+  log_debug(os, thread)("Thread is alive (tid: " UINTX_FORMAT ").", os::current_thread_id());
+
   // Install a win32 structured exception handler around every thread created
   // by VM, so VM can generate error dump when an exception occurred in non-
   // Java thread (e.g. VM thread).
   __try {
     thread->run();
   } __except(topLevelExceptionFilter(
                                      (_EXCEPTION_POINTERS*)_exception_info())) {
     // Nothing to do.
   }
 
+  log_debug(os, thread)("Thread finished (tid: " UINTX_FORMAT ").", os::current_thread_id());
+
   // One less thread is executing
   // When the VMThread gets here, the main thread may have already exited
   // which frees the CodeHeap containing the Atomic::add code
   if (thread != VMThread::vm_thread() && VMThread::vm_thread() != NULL) {
     Atomic::dec_ptr((intptr_t*)&os::win32::_os_thread_count);

@@ -507,10 +512,14 @@
 
   // Initial thread state is RUNNABLE
   osthread->set_state(RUNNABLE);
 
   thread->set_osthread(osthread);
+
+  log_debug(os, thread)("Thread attached (tid: " UINTX_FORMAT ").",
+    os::current_thread_id());
+
   return true;
 }
 
 bool os::create_main_thread(JavaThread* thread) {
 #ifdef ASSERT

@@ -603,15 +612,20 @@
                            thread,
                            CREATE_SUSPENDED | STACK_SIZE_PARAM_IS_A_RESERVATION,
                            &thread_id);
 
   if (thread_handle == NULL) {
+    log_warning(os, thread)("Failed to start thread - _beginthreadex failed (%s).",
+      strerror(errno));
+
     // Need to clean up stuff we've allocated so far
     CloseHandle(osthread->interrupt_event());
     thread->set_osthread(NULL);
     delete osthread;
     return NULL;
+  } else {
+    log_debug(os, thread)("Thread started (tid: %u)", thread_id);
   }
 
   Atomic::inc_ptr((intptr_t*)&os::win32::_os_thread_count);
 
   // Store info on the Win32 thread into the OSThread