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| author | Masami Hiramatsu (Google) <[email protected]> | 2022-11-05 12:01:14 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2022-11-08 22:21:20 -0300 |
| commit | a9dfc46c67b52ad43b8e335e28f4cf8002c67793 (patch) | |
| tree | b1464592b3731775719f3d8d0644b135c56658a1 /tools/perf/scripts/python/stackcollapse.py | |
| parent | a9cd6c6766857212894dd736d9f2bc29f1416f6a (diff) | |
perf probe: Fix to get the DW_AT_decl_file and DW_AT_call_file as unsinged data
DWARF version 5 standard Sec 2.14 says that
Any debugging information entry representing the declaration of an object,
module, subprogram or type may have DW_AT_decl_file, DW_AT_decl_line and
DW_AT_decl_column attributes, each of whose value is an unsigned integer
constant.
So it should be an unsigned integer data. Also, even though the standard
doesn't clearly say the DW_AT_call_file is signed or unsigned, the
elfutils (eu-readelf) interprets it as unsigned integer data and it is
natural to handle it as unsigned integer data as same as DW_AT_decl_file.
This changes the DW_AT_call_file as unsigned integer data too.
Fixes: 3f4460a28fb2f73d ("perf probe: Filter out redundant inline-instances")
Signed-off-by: Masami Hiramatsu <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: Steven Rostedt (VMware) <[email protected]>
Link: https://lore.kernel.org/r/166761727445.480106.3738447577082071942.stgit@devnote3
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions