Analysis of sampling i386-softmmu (pid 591) every 1 millisecond
Call graph:
    5925 Thread_2503
      5925 0x38c77
        5925 0x3b401
          5925 0x14ead
            5925 __sigwait
              5925 __sigwait
    5925 Thread_2603
      5925 thread_start
        5925 _pthread_start
          5925 glvmDoWork
            5925 pthread_cond_wait$UNIX2003
              3928 __semwait_signal
                3928 __semwait_signal
              1933 0xffffffff
                1933 _sigtramp
                  1926 _sigtramp
                  5 0x78f8
                    5 0x2e04
                      5 0x2dbd
                        5 gettimeofday
                          5 __gettimeofday
                            4 __nanotime
                              4 __nanotime
                            1 __gettimeofday
                  1 0x78e4
                    1 0x78e4
                  1 0x78f0
                    1 0x78f0
              35 _pthread_cond_wait
                29 pthread_mutex_lock
                  26 semaphore_wait_trap
                    26 semaphore_wait_trap
                  2 pthread_mutex_lock
                  1 semaphore_wait
                    1 semaphore_wait
                5 _pthread_cond_remove
                  4 _pthread_cond_remove
                  1 __spin_lock
                    1 __spin_lock
                1 _pthread_cond_wait
              24 cerror
                20 __pthread_canceled
                  20 __pthread_canceled
                2 cthread_set_errno_self
                  2 cthread_set_errno_self
                1 cerror
                1 cerror
                  1 cthread_set_errno_self
                    1 __error
                      1 __error
              5 __spin_lock
                5 __spin_lock
    5925 Thread_2703
      5925 thread_start
        5925 _pthread_start
          5925 __NSThread__main__
            5925 -[NSThread main]
              5925 -[NSUIHeartBeat _heartBeatThread:]
                5925 -[NSConditionLock lockWhenCondition:]
                  5925 -[NSConditionLock lockWhenCondition:beforeDate:]
                    5925 -[NSCondition waitUntilDate:]
                      5925 pthread_cond_timedwait_relative_np
                        5925 _pthread_cond_wait
                          5925 semaphore_timedwait_signal_trap
                            5925 semaphore_timedwait_signal_trap
    5925 Thread_2803
      5925 thread_start
        5925 _pthread_start
          5925 fe_fragment_thread
            5925 pthread_cond_wait$UNIX2003
              5925 __semwait_signal
                5925 __semwait_signal

Total number in stack (recursive counted multiple, when >=5):

Sort by top of stack, same collapsed (when >= 5):
        __semwait_signal        9853
        __sigwait        5925
        semaphore_timedwait_signal_trap        5925
        _sigtramp        1926
        semaphore_wait_trap        26
        __pthread_canceled        20
        __spin_lock        6