File: sizeof.stp

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#! /usr/bin/env stap

# Usage:   sizeof.stp TYPENAME
#          sizeof.stp TYPENAME kernelmodule
#          sizeof.stp TYPENAME /usr/bin/executable
#          sizeof.stp TYPENAME kernel<include/linux/someheader.h>
#          sizeof.stp TYPENAME </usr/include/someheader.h>

probe oneshot {
  %( $# > 1 %?
     printf("type %s in %s byte-size: %d\n", @1, @2,
	    @cast_module_sizeof(@2, @1))
  %:
     printf("type %s byte-size: %d\n", @1,
	    @cast_module_sizeof("kernel", @1))
  %)
}