On 2015/1/20 20:15, Divya Vyas wrote:
> ---------- Forwarded message ----------
> From: Divya Vyas <[email protected]>
> Date: Tue, Jan 20, 2015 at 5:17 PM
> Subject: perf data convert error
> To: LKML <[email protected]>
>
>
> Hi,
>
>
> I am getting one error while converting the perf.data to CTF format .
>
>
> ./perf data convert -i perf.data --to-ctf dv_ctf
> ./perf: symbol lookup error: ./perf: undefined symbol:
> bt_ctf_stream_class_get_packet_context_type
>
> While I created perf binary and below is the output :
>
> make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
> BUILD: Doing 'make -j4' parallel build
> config/Makefile:139: The path 'python-config' is not executable.
> config/Makefile:507: Missing perl devel files. Disabling perl
> scripting support, consider installing perl-ExtUtils-Embed
> config/Makefile:538: No python-config tool was found
> config/Makefile:538: Python support will not be built
> config/Makefile:610: No bfd.h/libbfd found, install
> binutils-dev[el]/zlib-static to gain symbol demangling
>
> Auto-detecting system features:
> ... dwarf: [ on ]
> ... glibc: [ on ]
> ... gtk2: [ on ]
> ... libaudit: [ on ]
> ... libbfd: [ OFF ]
> ... libelf: [ on ]
> ... libnuma: [ on ]
> ... libperl: [ OFF ]
> ... libpython: [ OFF ]
> ... libslang: [ on ]
> ... libunwind: [ on ]
> ... libdw-dwarf-unwind: [ on ]
> ... libbabeltrace: [ on ]
> ... zlib: [ on ]
> ... DWARF post unwind library: libunwind
>
Have you installed your libbabeltrace shared libraries properly?
Looks like libraries you used for compiling and for execution are different.
Try 'ldd perf' and you should find something like:
$ ldd /path/to/perf
...
libbabeltrace-ctf.so.1 => /path/to/libbabeltrace-ctf.so.1
(0x00007f312c861000)
...
then nm:
$ nm /path/to/libbabeltrace-ctf.so.1 | grep
bt_ctf_stream_class_get_packet_context_type
000000000002b3f0 T bt_ctf_stream_class_get_packet_context_type
If you don't get that symbol you should update your libbabeltrace runtime
libraries.
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