src/os/linux/vm/os_linux.cpp

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

*** 660,669 ****
--- 660,672 ----
    OSThread* osthread = thread->osthread();
    Monitor* sync = osthread->startThread_lock();
  
    osthread->set_thread_id(os::current_thread_id());
  
+   log_info(os, thread)("Thread is alive (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ").",
+     os::current_thread_id(), (uintx) pthread_self());
+ 
    if (UseNUMA) {
      int lgrp_id = os::numa_get_group_id();
      if (lgrp_id != -1) {
        thread->set_lgrp_id(lgrp_id);
      }
*** 689,698 ****
--- 692,704 ----
    }
  
    // call one more level start routine
    thread->run();
  
+   log_info(os, thread)("Thread finished (tid " UINTX_FORMAT ", pthread id " UINTX_FORMAT ").",
+     os::current_thread_id(), (uintx) pthread_self());
+ 
    return 0;
  }
  
  bool os::create_thread(Thread* thread, ThreadType thr_type,
                         size_t stack_size) {
*** 754,769 ****
  
    {
      pthread_t tid;
      int ret = pthread_create(&tid, &attr, (void* (*)(void*)) java_start, thread);
  
      pthread_attr_destroy(&attr);
  
      if (ret != 0) {
-       if (PrintMiscellaneous && (Verbose || WizardMode)) {
-         perror("pthread_create()");
-       }
        // Need to clean up stuff we've allocated so far
        thread->set_osthread(NULL);
        delete osthread;
        return false;
      }
--- 760,781 ----
  
    {
      pthread_t tid;
      int ret = pthread_create(&tid, &attr, (void* (*)(void*)) java_start, thread);
  
+     char buf[64];
+     if (ret == 0) {
+       log_info(os, thread)("Thread started (pthread id: " UINTX_FORMAT ", attributes: %s). ",
+         (uintx) tid, os::Posix::describe_pthread_attr(buf, sizeof(buf), &attr));
+     } else {
+       log_warning(os, thread)("Failed to start thread - pthread_create failed (%s) for attributes: %s.",
+         strerror(ret), os::Posix::describe_pthread_attr(buf, sizeof(buf), &attr));
+     }
+ 
      pthread_attr_destroy(&attr);
  
      if (ret != 0) {
        // Need to clean up stuff we've allocated so far
        thread->set_osthread(NULL);
        delete osthread;
        return false;
      }
*** 856,865 ****
--- 868,880 ----
  
    // initialize signal mask for this thread
    // and save the caller's signal mask
    os::Linux::hotspot_sigmask(thread);
  
+   log_info(os, thread)("Thread attached (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ").",
+     os::current_thread_id(), (uintx) pthread_self());
+ 
    return true;
  }
  
  void os::pd_start_thread(Thread* thread) {
    OSThread * osthread = thread->osthread();