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If a build ID is read then not all code paths may ensure it is empty
before use. Initialize the build_id to be zero-ed unless there is
clear initialization such as a call to build_id__init.
Signed-off-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250724163302.596743-6-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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I found that it failed to load a binary using --symfs option. Say I
have a binary in /home/user/prog/xxx and a perf data file with it. If I
move them to a different machine and use --symfs, it tries to find the
binary in some locations under symfs using dso__read_binary_type_filename(),
but not the last one.
${symfs}/usr/lib/debug/home/user/prog/xxx.debug
${symfs}/usr/lib/debug/home/user/prog/xxx
${symfs}/home/user/prog/.debug/xxx
/home/user/prog/xxx
It should check ${symfs}/home/usr/prog/xxx. Let's fix it.
Reviewed-by: Ian Rogers <irogers@google.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20250212221445.437481-1-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Split debuginfo data structure and related functions into a separate
file so that it can be used by other components than the probe-finder.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: linux-toolchains@vger.kernel.org
Cc: linux-trace-devel@vger.kernel.org
Link: https://lore.kernel.org/r/20231110000012.3538610-4-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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