From 346e4ca4628c7b318aa74afa8219f6e89bf82c4c Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Fri, 28 Feb 2025 16:01:47 -0800 Subject: [PATCH] veristat: Report program type guess results to sdterr In order not to pollute CSV output, e.g.: $ ./veristat -o csv exceptions_ext.bpf.o > test.csv Using guessed program type 'sched_cls' for exceptions_ext.bpf.o/extension... Using guessed program type 'sched_cls' for exceptions_ext.bpf.o/throwing_extension... Signed-off-by: Eduard Zingerman Signed-off-by: Andrii Nakryiko Acked-by: Mykyta Yatsenko Link: https://lore.kernel.org/bpf/20250301000147.1583999-4-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov --- tools/testing/selftests/bpf/veristat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/veristat.c b/tools/testing/selftests/bpf/veristat.c index 41dfcb6f56903..a18972ffdeb6f 100644 --- a/tools/testing/selftests/bpf/veristat.c +++ b/tools/testing/selftests/bpf/veristat.c @@ -1234,13 +1234,13 @@ static void fixup_obj(struct bpf_object *obj, struct bpf_program *prog, const ch bpf_program__set_expected_attach_type(prog, attach_type); if (!env.quiet) { - printf("Using guessed program type '%s' for %s/%s...\n", + fprintf(stderr, "Using guessed program type '%s' for %s/%s...\n", libbpf_bpf_prog_type_str(prog_type), filename, prog_name); } } else { if (!env.quiet) { - printf("Failed to guess program type for freplace program with context type name '%s' for %s/%s. Consider using canonical type names to help veristat...\n", + fprintf(stderr, "Failed to guess program type for freplace program with context type name '%s' for %s/%s. Consider using canonical type names to help veristat...\n", ctx_name, filename, prog_name); } } -- 2.50.1