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Date:   Wed, 25 Mar 2020 11:21:52 +0100 (CET)
From:   Miroslav Benes <mbenes@suse.cz>
To:     Peter Zijlstra <peterz@infradead.org>
cc:     tglx@linutronix.de, jpoimboe@redhat.com,
        linux-kernel@vger.kernel.org, x86@kernel.org, mhiramat@kernel.org,
        brgerst@gmail.com
Subject: Re: [PATCH v3 12/26] objtool: Resize insn_hash
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On Tue, 24 Mar 2020, Peter Zijlstra wrote:

> Perf shows we're spending a lot of time in find_insn() and the
> statistics show we have around 3.2 million instruction. Increase the
> hash table size to reduce the bucket load from around 50 to 3.
> 
> This shaves about 2s off of objtool on vmlinux.o runtime, down to 16s.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>

Reviewed-by: Miroslav Benes <mbenes@suse.cz>

M