Hi Naohiro,

(CC'ing Stephane)

> When you specify "--branch-stack"("-b" for short) or
> "--no-branch-stack", "branch_mode" variable is set to 1 or 0
> respectively. However, the code is just checking if the variable is -1
> or not, ignoring "branch_mode == 1" case. Thus "perf report -b" dose not
> show its result with the branch sorted mode. This patch fix the problem.
>
> Signed-off-by: Naohiro Aota <na...@elisp.net>

Acked-by: Namhyung Kim <namhy...@kernel.org>

Thanks for fixing this!
Namhyung


> ---
>  tools/perf/builtin-report.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index 21d830b..94dcf2d 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -719,7 +719,7 @@ repeat:
>       has_br_stack = perf_header__has_feat(&session->header,
>                                            HEADER_BRANCH_STACK);
>  
> -     if (branch_mode == -1 && has_br_stack) {
> +     if ((branch_mode == -1 && has_br_stack) || branch_mode == 1) {
>               sort__mode = SORT_MODE__BRANCH;
>               symbol_conf.cumulate_callchain = false;
>       }
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