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| author | Peter Zijlstra <peterz@infradead.org> | 2020-03-10 18:43:35 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-03-25 18:28:28 +0100 |
| commit | 530389968739883a61192767e1c215653ba4ba2b (patch) | |
| tree | d2963d5d64e6c16f6d72ef84053fc34dda57db35 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 1e11f3fdc326d7466e43185ea943b6156143387c (diff) | |
objtool: Optimize find_section_by_index()
In order to avoid a linear search (over 20k entries), add an
section_hash to the elf object.
This reduces objtool on vmlinux.o from a few minutes to around 45
seconds.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20200324160924.381249993@infradead.org
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions