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| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-06-06 07:14:06 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-06-10 10:02:06 -0300 |
| commit | 5ee05b8801892ecc5df44e03429008dfa89aa361 (patch) | |
| tree | 4eb394e88cba9b0ce07279f0c0ed085b0b3980d2 /lib/btree.c | |
| parent | 69e96eaa4fef04ad543eda3eab787dbae99d8912 (diff) | |
| download | op-kernel-dev-5ee05b8801892ecc5df44e03429008dfa89aa361.zip op-kernel-dev-5ee05b8801892ecc5df44e03429008dfa89aa361.tar.gz | |
perf probe: Improve error messages in --line option
Improve error messages of 'perf probe --line' mode.
Currently 'perf probe' shows the "Debuginfo analysis failed" message with
an error code when the given symbol is not found:
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# perf probe -L page_cgroup_init_flatmem
Debuginfo analysis failed. (-2)
Error: Failed to show lines.
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But -2 (-ENOENT) means that the given source line or function was not
found. With this patch, 'perf probe' shows the correct error message:
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# perf probe -L page_cgroup_init_flatmem
Specified source line is not found.
Error: Failed to show lines.
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There is also another debug error code is shown in the same function
after get_real_path(). This removes that too.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20140606071406.6788.47850.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'lib/btree.c')
0 files changed, 0 insertions, 0 deletions
