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Re: userspace remote instrumentation.
- From: fche at redhat dot com (Frank Ch. Eigler)
- To: "Ahmed, Khaled" <Khaled dot Ahmed at emc dot com>
- Cc: "systemtap at sourceware dot org" <systemtap at sourceware dot org>
- Date: Wed, 26 Mar 2014 06:52:29 -0400
- Subject: Re: userspace remote instrumentation.
- Authentication-results: sourceware.org; auth=none
- References: <ADC10698816BDF4FB313D776E40670E301B12E2A45 at MX19A dot corp dot emc dot com>
Hi -
Khaled.Ahmed wrote:
> I have a question, can I generate instrumentation for a target
> system to probe user space applications ? I know that I can do for
> kernel with the stap -r <kern_ver> but not sure if I can probe a
> user space app the same way.[...]
That's a good question. No, we have only partial support for this
case in the sense of parametrizing it analogously to -r. Try the
"stap --sysroot=DIR" option, in case you have a mirror of the target
system's root (binaries/debuginfo).
- FChE