Re: systemtap on fc6, syscall.open failes

[Lasse Bigum <zenith at cs dot aau dot dk>]

Try and take a look here:
http://sources.redhat.com/systemtap/wiki/SystemTapWithSelfBuiltKernel

In short, mount /boot and make the appropriate symlinks.

/Lasse

On 15:29, Wed 21 Feb, Tomas Kouba wrote:
> Hi all,
> 
> I am trying to learn something about systemtap and I am following the 
> tutorial now, but I am stuck at the second example. It seems that my 
> systemtap installation on fedora core 6 is broken.
> This is my session:
> 
> root@dwarf:~/systemtap
> $ rpm -qf /boot/vmlinuz-2.6.19-1.2911.fc6debug
> kernel-debug-2.6.19-1.2911.fc6.i686
> 
> root@dwarf:~/systemtap
> $ rpm -q kernel-debuginfo
> kernel-debuginfo-2.6.19-1.2911.fc6.i686
> 
> root@dwarf:~/systemtap
> $ rpm -q kernel-debuginfo-common
> kernel-debuginfo-common-2.6.19-1.2911.fc6.i686
> 
> root@dwarf:~/systemtap
> $ uname -r
> 2.6.19-1.2911.fc6debug
> 
> root@dwarf:~/systemtap
> $ stap -v hello-world.stp
> Pass 1: parsed user script and 53 library script(s) in 320usr/10sys/337real 
> ms.
> Pass 2: analyzed script: 1 probe(s), 1 function(s), 0 embed(s), 0 global(s) 
> in 10usr/0sys/6real ms.
> Pass 3: using cached 
> /root/.systemtap/cache/34/stap_3467c1f46e4e0d1c943ceaaf912ed126_255.c
> Pass 4: using cached 
> /root/.systemtap/cache/34/stap_3467c1f46e4e0d1c943ceaaf912ed126_255.ko
> Pass 5: starting run.
> hello world
> Pass 5: run completed in 30usr/190sys/260real ms.
> 
> 
> root@dwarf:~/systemtap
> $ stap -k -vvv strace-open.stp
> SystemTap translator/driver (version 0.5.12 built 2007-01-23)
> (Using Red Hat elfutils 0.125 libraries.)
> Copyright (C) 2005-2006 Red Hat, Inc. and others
> This is free software; see the source for copying conditions.
> Created temporary directory "/tmp/stap1Hi71u"
> Searched '/usr/share/systemtap/tapset/2.6.19-1.2911.fc6debug/i686/*.stp', 
> match count 0
> Searched '/usr/share/systemtap/tapset/2.6.19-1.2911.fc6debug/*.stp', match 
> count 0
> Searched '/usr/share/systemtap/tapset/2.6.19/i686/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/2.6.19/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/2.6/i686/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/2.6/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/i686/*.stp', match count 1
> Searched '/usr/share/systemtap/tapset/*.stp', match count 33
> Searched 
> '/usr/share/systemtap/tapset/LKET/2.6.19-1.2911.fc6debug/i686/*.stp', match 
> count 0
> Searched '/usr/share/systemtap/tapset/LKET/2.6.19-1.2911.fc6debug/*.stp', 
> match count 0
> Searched '/usr/share/systemtap/tapset/LKET/2.6.19/i686/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/LKET/2.6.19/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/LKET/2.6/i686/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/LKET/2.6/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/LKET/i686/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/LKET/*.stp', match count 19
> Pass 1: parsed user script and 53 library script(s) in 310usr/10sys/328real 
> ms.
> semantic error: libdwfl failure (dwfl_linux_kernel_report_offline): No such 
> file or directory while resolving probe point kernel.function("sys_open")?
> parsed 'sys32_open' -> func 'sys32_open'
> semantic error: cannot find kernel debuginfo while resolving probe point 
> kernel.function("sys32_open")?
> semantic error: no match for probe point while resolving probe point 
> syscall.open
> Pass 2: analyzed script: 1 probe(s), 5 function(s), 0 embed(s), 0 global(s) 
> in 10usr/0sys/8real ms.
> Pass 2: analysis failed.  Try again with more '-v' (verbose) options.
> Keeping temporary directory "/tmp/stap1Hi71u"
> 
> 
> So I think I have installed everything I should, but still have no luck.
> Thanks for any help.
> 
> -- 
> Tomas Kouba
>

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