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      1 The following is a demonstration of the syscallbysysc.d script,
      2 
      3    # syscallbysysc.d
      4    dtrace: description 'syscall:::entry ' matched 228 probes
      5    ^C
      6      fstat                                                             1
      7      setcontext                                                        1
      8      lwp_park                                                          1
      9      schedctl                                                          1
     10      mmap                                                              1
     11      sigaction                                                         2
     12      pset                                                              2
     13      lwp_sigmask                                                       2
     14      gtime                                                             3
     15      sysconfig                                                         3
     16      write                                                             4
     17      brk                                                               6
     18      pollsys                                                           7
     19      p_online                                                        558
     20      ioctl                                                           579
     21 
     22 In the above output, the ioctl system call was the most common, occuring
     23 579 times.
     24 
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