Crossintrumented Systemtap

[Wolfram Gettert]

Hi,
I have found the problem. It was problem with a wrong path.

So, thanks for the great tool.

Wolfram

Am 08.02.2011 10:22, schrieb Wolfram Gettert:
> Hi,
> I am trying to use a cross instrumented Systemtap installation
> (i386/ARM). I followed the instructions of
> http://omappedia.org/wiki/Systemtap.
>
> Compilation of Systemtap for host and target are done wihtout problems.
> Creating/executing a "Hello World" tap script succeeded.
>
> Now I tried to create probe needing symbol information of the
> modules/kernel of the target.
>
> I tried to create the tap module with the following command:
>
> -----
>
> ./bin/bin/stap
> -gv
> -a arm
> -D BEAGLE_BOARD
> -B CROSS_COMPILE=arm-none-linux-gnueabi-
> -r 2.6.36/
> -I sandbox/systemtap/omap_bin/share/systemtap/tapset
> -R sandbox/systemtap/omap_bin/share/systemtap/runtime
> --vp 01
> -m hello_stp
> tis_i2c_pm_trace.stp
>
> WARNING: kernel release/architecture mismatch with host forces last-pass 4.
> Pass 1: parsed user script and 144 library script(s) using
> 26132virt/21984res/1660shr kb, in 240usr/20sys/268real ms.
> semantic error: no match while resolving probe point
> module("myModule").function("myModule_suspend4")
> semantic error: no match while resolving probe point
> module("myModule").function("myModule_suspend4").return
> Pass 2: analyzed script: 1 probe(s), 1 function(s), 0 embed(s), 12
> global(s) using 70088virt/22820res/2020shr kb, in 10usr/140sys/151real ms.
> Pass 2: analysis failed. Try again with another '--vp 01' option.
> Running rm -rf /tmp/stapuevczi
>
> -----
>
> It seems that Systemtap cannot find the debug information for the modules.
>
> I think of two possible solutions:
>
> 1) Where do I have to put my kernelmodule that Systemtap can find it?
> or
> 2) How can I tell Systemtap where my modules can be found?
>
> Could someone give me a hint?
>
> Thanks
>
> Wolfram
>
>

-- 
Wolfram Gettert
Software Engineer Embedded Systems

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