Sampling process 1800 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling X11 (pid 1800) every 1 millisecond
Call graph:
    1732 Thread_2503
      1732 start
        1732 main
          1732 mach_msg_server
            1732 mach_startup_server
              1732 _Xstart_x11_server
                1732 do_start_x11_server
                  1732 server_main
                    1732 X11ApplicationMain
                      1732 -[NSApplication run]
                        1732 -[X11Application sendEvent:]
                          1732 -[X11Application(Private) sendX11NSEvent:]
                            1732 xp_find_window
                              1732 xp_synchronize
                                1732 _xp_synchronize
                                  1732 _xp_async_dequeue
                                    1732 _pthread_cond_wait
                                      1732 __semwait_signal
                                        1732 __semwait_signal
    1732 Thread_2603
      1732 _pthread_start
        1732 CAPThread::Entry(CAPThread*)
          1732 HALRunLoop::OwnThread(void*)
            1732 CFRunLoopRunSpecific
              1732 mach_msg
                1732 mach_msg_trap
                  1732 mach_msg_trap
    1732 Thread_2703
      1732 _pthread_start
        1732 server_thread
          1732 dix_main
            1732 Dispatch
              1732 WaitForSomething
                1732 select$DARWIN_EXTSN
                  1732 select$DARWIN_EXTSN
    1732 Thread_2803
      1732 _pthread_start
        1732 glvmDoWork
          1732 _pthread_cond_wait
            1732 __semwait_signal
              1732 __semwait_signal
    1732 Thread_2903
      1732 _pthread_start
        1732 DarwinProcessFDAdditionQueue_thread
          1732 _pthread_cond_wait
            1732 __semwait_signal
              1732 __semwait_signal
    1732 Thread_2a03
      1732 _pthread_start
        1732 _xp_async_thread
          1732 _xp_async_dequeue
            1732 _pthread_cond_wait
              1732 __semwait_signal
                1732 __semwait_signal

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

Sort by top of stack, same collapsed (when >= 5):
        __semwait_signal        6928
        mach_msg_trap        1732
        select$DARWIN_EXTSN        1732
Sample analysis of process 1800 written to file /dev/stdout