doc/tutorial/probe-alias.stp


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probe syscallgroup.io = syscall.open, syscall.close, 
                        syscall.read, syscall.write
{ groupname = "io" }

probe syscallgroup.process = syscall.fork, syscall.execve
{ groupname = "process" }

probe syscallgroup.* 
{ groups [execname() . "/" . groupname] ++ }

probe end
{
  foreach (eg+ in groups)
    printf ("%s: %d\n", eg, groups[eg])
}

global groups