systemtapで関数1個調べる雛型

func.stp

#!/usr/bin/stap

# usage: stap -vvv func.stp 'kernel.function("end_buffer_async_read")'

probe begin {
  printf("\n")
}

probe $1 {
  printf("%s %s() called pid=%d, pname=%s\n", ctime(gettimeofday_s()+32400), probefunc(), pid(), execname())
  printf("vars: %s\n", $$vars)
  printf("locals: %s\n", $$locals)
  printf("\n")
}
probe $1.return {
  printf("%s %s() leave  pid=%d, pname=%s, return=%s\n", ctime(gettimeofday_s()+32400), probefunc(), pid(), execname(), $$return)
  printf("vars: %s\n", $$vars)
  printf("locals: %s\n", $$locals)
  printf("\n")
}