Re: [PATCH v3 10/26] objtool: Optimize find_symbol_*() and read_symbols()

[Miroslav Benes]

On Tue, 24 Mar 2020, Peter Zijlstra wrote:

> All of:
> 
>   read_symbols(), find_symbol_by_offset(), find_symbol_containing(),
>   find_containing_func()
> 
> do a linear search of the symbols. Add an RB tree to make it go
> faster.
> 
> This about halves objtool runtime on vmlinux.o, from 34s to 18s.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

Reviewed-by: Miroslav Benes <mbenes@xxxxxxx>

M