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Re: question regarding accessing a target variable
- From: "Frank Ch. Eigler" <fche at redhat dot com>
- To: Kai Wong <kai_wong at symantec dot com>
- Cc: systemtap at sources dot redhat dot com
- Date: Fri, 2 Jan 2009 19:59:22 -0500
- Subject: Re: question regarding accessing a target variable
- References: <20217654.post@talk.nabble.com> <y0mtzawurrj.fsf@ton.toronto.redhat.com> <1A193CCB5218B14589B1979BC7D510E006F0EB1E@TUS1XCHCLUPIN11.enterprise.veritas.com> <20081029201826.GC16968@redhat.com> <1A193CCB5218B14589B1979BC7D510E006F0ECBC@TUS1XCHCLUPIN11.enterprise.veritas.com> <1A193CCB5218B14589B1979BC7D510E007077719@TUS1XCHCLUPIN11.enterprise.veritas.com> <20081104152629.GB28139@redhat.com> <1A193CCB5218B14589B1979BC7D510E0070F51F0@TUS1XCHCLUPIN12.enterprise.veritas.com> <20081107020842.GG20928@redhat.com> <1A193CCB5218B14589B1979BC7D510E007AE9F26@TUS1XCHCLUPIN11.enterprise.veritas.com>
Hi -
On Fri, Jan 02, 2009 at 03:29:04PM -0700, Kai Wong wrote:
> [...]
> (e.g., probe
> module("vxglm").statement("vxg_recv_block_grant@/home2/kwong/glm-bld/50m
> p3_clustrace/kernel/glm/smp/glmbpxy.c:67")), I get the following
> message:
>
> semantic error: not accessible at this address: identifier '$block' at
> /usr/share/systemtap/tapset/glm/msgsup.stp:20:123
> [...]
> What can I do to make a c local variable more accessible to systemtap as
> a target variable?
I jotted some melancholy notes on this in the wiki.
http://sources.redhat.com/systemtap/wiki/TipContextVariables
- FChE