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#!/usr/bin/stap

probe vfs.{write,read}
{
  # dev and ino are defined by vfs.write and vfs.read
  if (dev == MKDEV($1,$2) # major/minor device
      && ino == $3)
    printf ("%s(%d) %s 0x%x/%u\n",
      execname(), pid(), ppfunc(), dev, ino)
}