system tap unable to refer a structure definition
Frank Ch. Eigler
fche at redhat.com
Sun May 7 11:16:59 EDT 2017
> c = @cast($frags->f_addr, "volioship_hdr_t",
> The header file is locally available on the machine.
> semantic error: type definition 'volioship_hdr_t' not found in '
> /root/ngadre/unixvm-cvs/src/common/kernel/vxvm/ioship_cvm.h': operator
> '@cast' at :46:6
> How do I make system tap refer to this structure.
@cast requires use of the syntax "kernel<header.h>" to process such
files, because they involve different compiler invocations. That may
not be all there is to it. Rerun stap with --vp 04 or somesuch to
get some verbose tracing of its attempts to process that header.
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