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If the contents of these are empty then nothing is displayed. Rather than display nothing and not account for the file space, display an empty message. Signed-off-by: Ian Rogers --- tools/perf/util/header.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 7798435ab5d3..69e4f6aae293 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1814,6 +1814,9 @@ static void print_bpf_prog_info(struct feat_fd *ff, F= ILE *fp) root =3D &env->bpf_progs.infos; next =3D rb_first(root); =20 + if (!next) + printf("# bpf_prog_info empty\n"); + while (next) { struct bpf_prog_info_node *node; =20 @@ -1838,6 +1841,9 @@ static void print_bpf_btf(struct feat_fd *ff, FILE *f= p) root =3D &env->bpf_progs.btfs; next =3D rb_first(root); =20 + if (!next) + printf("# btf info empty\n"); + while (next) { struct btf_node *node; =20 --=20 2.50.0.rc0.604.gd4ff7b7c86-goog