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Re: semantic error
- From: fche at redhat dot com (Frank Ch. Eigler)
- To: domenico dot dileo at unina dot it
- Cc: systemtap at sourceware dot org
- Date: Wed, 19 Sep 2012 21:54:05 -0400
- Subject: Re: semantic error
- References: <20120920000305.115115irssg2e4nt@inbox.unina.it>
Hi, Domenico -
domenico.dileo wrote:
> I would like to set a probe point for the following functions:
> [...]
> should_fail_request@block/ll_rw_blk.c
> should_fail_slab@mm/slab.c
> fail_slab_debug_fs@mm/slab.c
> [...]
> in order to assign a probe to them, I use the command
> probe kernel.function("fail_make_request_debugfs@block/ll_rw_blk.c").call
> [...]
Try just
kernel.function("fail_make_request_debugfs").call
and so on (drop the @FILE part), just in case that's not quite right.
Try
stap --vp 03 -e 'probe ....'
to get way more information about stap's processing of the probe points.
- FChE