Re: [PATCH] perf report: Fix build-test error for make_minimal_O target

From: Arnaldo Carvalho de Melo
Date: Fri Mar 24 2017 - 20:58:05 EST


Em Sat, Mar 25, 2017 at 04:23:41PM +0800, Jin Yao escreveu:
> make -C tools/perf build-test

Thanks, I'll fold this with the patch where the problem happened,

- Arnaldo

> The error is "undefined reference to dso__demangle_sym".
>
> This patch adds the dso__dmangle_sym() in symbol-minimal.c to fix it.
>
> Signed-off-by: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
> ---
> tools/perf/util/symbol-minimal.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
> index 11cdde9..870ef0f 100644
> --- a/tools/perf/util/symbol-minimal.c
> +++ b/tools/perf/util/symbol-minimal.c
> @@ -373,3 +373,10 @@ int kcore_copy(const char *from_dir __maybe_unused,
> void symbol__elf_init(void)
> {
> }
> +
> +char *dso__demangle_sym(struct dso *dso __maybe_unused,
> + int kmodule __maybe_unused,
> + char *elf_name __maybe_unused)
> +{
> + return NULL;
> +}
> --
> 2.7.4