core audio

      scheduling policy = TIME_CONSTRAINT
        period = 10666666
        computation = 100000
        constraint = 10666666
        preemtible = TRUE

10.6ms
0.1ms
10.6ms

470sample 
44100
0.01065760sec

~/Library/Developer/Xcode/DerivedData/lstasks-fxhjkdrvvugrvyerkrbtqhyiywhe/Build/Products/Debug$ sudo ./lstasks -v -p 48738
Task #56
  BSD process id (pid)  = 48738 (audiounitswiftOS)
  Carbon process name = audiounitswiftOSX
    virtual size = 2560160 KB
    resident size = 26684 KB
    default policy = 1 (STANDARD|EXTENDED)
    user (terminated) = 0 s32505 us
    system (terminated) = 0 s 35528 us
    user (live) = 0 s 872447 us
    system (live) = 0 s 611598 us
  Thread times (absolute)
    user (total) = 904955694
    system (total) = 647126961
    user (live) = 872449699
    system (live) = 611598791
    page faults = 13630
    actual pageins = 3317
    copy-on-write faults = 599
    messages sent = 15651
    messages received = 2146
    Mach system calls = 18715
    Unix system calls = 9608
    context switches = 17848
    role = BACKGROUND_APPLICATION
    audit token = 1f5 1f5 14 1f5 14 be62 186a7 be62 
  Threads in this task = 4
    thread 0/3 (0x772b) in task 56 (0x1303)
      user run time - 0 s 313306 us
      system run time = 0 s 394200 us
      scaled cpu usage precentage = 0
      scheduling policy = STANDARD
      run state = 3    (WAITING)
      flags = 1   
      suspend count = 0
      sleeping for time = 0 s
    thread 1/3 (0x650f) in task 56 (0x1303)
      user run time - 0 s 3894 us
      system run time = 0 s 11004 us
      scaled cpu usage precentage = 0
      scheduling policy = STANDARD
      run state = 3    (WAITING)
      flags = 1   
      suspend count = 0
      sleeping for time = 0 s
    thread 2/3 (0x6807) in task 56 (0x1303)
      user run time - 0 s 539405 us
      system run time = 0 s 188194 us
      scaled cpu usage precentage = 4
      scheduling policy = TIME_CONSTRAINT
        period = 10666666
        computation = 100000
        constraint = 10666666
        preemtible = TRUE
      run state = 3    (WAITING)
      flags = 1   
      suspend count = 0
      sleeping for time = 0 s
    thread 3/3 (0x7813) in task 56 (0x1303)
      user run time - 0 s 15842 us
      system run time = 0 s 18200 us
      scaled cpu usage precentage = 0
      scheduling policy = STANDARD
      run state = 3    (WAITING)
      flags = 1   
      suspend count = 0
      sleeping for time = 0 s

   1 Mach task
   4 Mach threads
   1 BAS processes
   1 CFM processes
   

Live slave

scheduling policy = TIME_CONSTRAINT
period = 0   
computation = 250000
constraint = 500000
preemptible = TRUE

0.25ms
0.5ms