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| author |  Peter Zijlstra <peterz@infradead.org>
| 2020-03-12 09:26:29 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org>
| 2020-03-25 18:28:28 +0100 |
| commit | 1e11f3fdc326d7466e43185ea943b6156143387c (patch) | |
| tree | 5a4ee402d9becc5691eef8b30cde9aff8fc31d0b /tools/objtool/check.c | |
| parent | objtool: Optimize find_symbol_by_index() (diff) | |
| download | linux-1e11f3fdc326d7466e43185ea943b6156143387c.tar.gz linux-1e11f3fdc326d7466e43185ea943b6156143387c.tar.bz2 linux-1e11f3fdc326d7466e43185ea943b6156143387c.zip | |
objtool: Add a statistics mode
Have it print a few numbers which can be used to size the hashtables.
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/20200324160924.321381240@infradead.org
Diffstat (limited to 'tools/objtool/check.c')
| -rw-r--r-- | tools/objtool/check.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 43f7d3c2e8b2..6df1bae2f961 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -239,6 +239,7 @@ static int decode_instructions(struct objtool_file *file) struct symbol *func; unsigned long offset; struct instruction *insn; + unsigned long nr_insns = 0; int ret; for_each_sec(file, sec) { @@ -274,6 +275,7 @@ static int decode_instructions(struct objtool_file *file) hash_add(file->insn_hash, &insn->hash, insn->offset); list_add_tail(&insn->list, &file->insn_list); + nr_insns++; } list_for_each_entry(func, &sec->symbol_list, list) { @@ -291,6 +293,9 @@ static int decode_instructions(struct objtool_file *file) } } + if (stats) + printf("nr_insns: %lu\n", nr_insns); + return 0; err: |