src/os/windows/vm/os_windows.cpp

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

*** 33,42 ****
--- 33,43 ----
  #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"
*** 434,453 ****
--- 435,458 ----
    int res = 30115;  // non-java thread
    if (thread->is_Java_thread()) {
      res = 20115;    // java thread
    }
  
+   log_debug(os)("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 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);
*** 507,516 ****
--- 512,525 ----
  
    // Initial thread state is RUNNABLE
    osthread->set_state(RUNNABLE);
  
    thread->set_osthread(osthread);
+ 
+   log_debug(os)("Thread attached (tid: " UINTX_FORMAT ").",
+     os::current_thread_id());
+ 
    return true;
  }
  
  bool os::create_main_thread(JavaThread* thread) {
  #ifdef ASSERT
*** 603,617 ****
--- 612,631 ----
                             thread,
                             CREATE_SUSPENDED | STACK_SIZE_PARAM_IS_A_RESERVATION,
                             &thread_id);
  
    if (thread_handle == NULL) {
+     log_warning(os)("Failed to start thread - _beginthreadex failed (%s).",
+       os::errno_name(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 started (tid: %u)", thread_id);
    }
  
    Atomic::inc_ptr((intptr_t*)&os::win32::_os_thread_count);
  
    // Store info on the Win32 thread into the OSThread