Em Thu, Oct 08, 2020 at 04:39:56PM -0700, Andrii Nakryiko escreveu:
> From: Andrii Nakryiko <andriin@xxxxxx>
>
> When doing BTF encoding/deduping, DWARF CUs are never used after BTF encoding
> is done, so there is no point in wasting memory and keeping them in memory. So
> discard them immediately.
Right now, yes, but DW_TAG_partial_unit may require we keep them around.
I'm applying the patch since the common case, the kernel, is not yet
using that DWARF compression technique.
- Arnaldo
> Signed-off-by: Andrii Nakryiko <andriin@xxxxxx>
> ---
> pahole.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/pahole.c b/pahole.c
> index 61522175519e..bd9b993777ee 100644
> --- a/pahole.c
> +++ b/pahole.c
> @@ -2384,7 +2384,7 @@ static enum load_steal_kind pahole_stealer(struct cu *cu,
> fprintf(stderr, "Encountered error while encoding BTF.\n");
> exit(1);
> }
> - return LSK__KEEPIT;
> + return LSK__DELETE;
> }
>
> if (ctf_encode) {
> --
> 2.24.1
>
--
- Arnaldo
