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      1 The following is a demonstration of the topsyscall command,
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      4 Here topsyscall is run with no arguments,
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      6    # topsyscall
      7    2005 Jun 13 22:13:21, load average: 1.24, 1.24, 1.22   syscalls: 1287
      8    
      9       SYSCALL                          COUNT
     10       getgid                               4
     11       getuid                               5
     12       waitsys                              5
     13       xstat                                7
     14       munmap                               7
     15       sysconfig                            8
     16       brk                                  8
     17       setcontext                           8
     18       open                                 8
     19       getpid                               9
     20       close                                9
     21       resolvepath                         10
     22       lwp_sigmask                         22
     23       mmap                                26
     24       lwp_park                            43
     25       read                                59
     26       write                               72
     27       sigaction                          113
     28       pollsys                            294
     29       ioctl                              520
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     31 The screen updates every second, and continues until Ctrl-C is hit to 
     32 end the program.
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     34 In the above output we can see that the ioctl() system call occured 520 times,
     35 pollsys() 294 times and sigaction() 113 times.
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     38 
     39 Here the command is run with a 10 second interval,
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     41    # topsyscall 10
     42    2005 Jun 13 22:15:35, load average: 1.21, 1.22, 1.22   syscalls: 10189
     43    
     44       SYSCALL                          COUNT
     45       writev                               6
     46       close                                7
     47       lseek                                7
     48       open                                 7
     49       brk                                  8
     50       nanosleep                            9
     51       portfs                              10
     52       llseek                              14
     53       lwp_cond_wait                       21
     54       p_online                            21
     55       gtime                               27
     56       rusagesys                           71
     57       setcontext                          92
     58       lwp_sigmask                         98
     59       setitimer                          183
     60       lwp_park                           375
     61       write                              438
     62       read                               551
     63       pollsys                           3071
     64       ioctl                             5144
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