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[192.26.29.3]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47fd456a6besm38854024f8f.22.2026.08.04.01.11.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Aug 2026 01:11:18 -0700 (PDT) From: Kumar Kartikeya Dwivedi To: bpf@vger.kernel.org Cc: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Eduard Zingerman , Emil Tsalapatis , kkd@meta.com, kernel-team@meta.com Subject: [PATCH bpf-next v5 3/3] selftests/bpf: Test stack depth stats without BTF subprog names Date: Tue, 4 Aug 2026 10:11:12 +0200 Message-ID: <20260804081114.3871564-4-memxor@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260804081114.3871564-1-memxor@gmail.com> References: <20260804081114.3871564-1-memxor@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1782; i=memxor@gmail.com; h=from:subject; bh=TGZhnHSwY2RuJE3MeeOvRjFc9mXHIanOjRGMrEgAqDw=; b=owGbwMvMwCXmrmtenRyi38x4Wi2JIatwnl+EpscbScmtRQEVIR0P1Z1L81YdmLD6hOCvg/Xc8 b7OFjodpSwMYlwMsmKKLCX/9zEZn6j8HWi7jBtmDisTyBAGLk4BmEjNRkaGaY8fbb2u+Ssmzo7p wo2CA6ce3fRLvG1hXSRnIeZS8Kj4HMP/oJnytztdDuWFB785NffwOoZNhwJ1ZBbkJ5n5Nzbb/T7 DDAA= X-Developer-Key: i=memxor@gmail.com; a=openpgp; fpr=B34BD741DE8494B76E2F717880EF20021D46C59B Content-Transfer-Encoding: 8bit Test the per-program instruction and stack depth statistics emitted when BTF function info does not provide subprogram names. Make VERBOSE_ACCEPT request verifier statistics so the raw-insn test can validate the output without a test-specific log level. Signed-off-by: Kumar Kartikeya Dwivedi --- tools/testing/selftests/bpf/test_verifier.c | 2 +- tools/testing/selftests/bpf/verifier/calls.c | 9 ++++++++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index a8ae03c57bba..bffb7360434c 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -1560,7 +1560,7 @@ static void do_test_single(struct bpf_test *test, bool unpriv, opts.expected_attach_type = test->expected_attach_type; if (expected_ret == VERBOSE_ACCEPT) - opts.log_level = 2; + opts.log_level = 2 | 4; else if (verbose) opts.log_level = verif_log_level | 4; /* force stats */ else diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/selftests/bpf/verifier/calls.c index 8cd626e04551..6bf9ca5c5600 100644 --- a/tools/testing/selftests/bpf/verifier/calls.c +++ b/tools/testing/selftests/bpf/verifier/calls.c @@ -1091,7 +1091,14 @@ /* stack_main=32, stack_A=256, stack_B=64 * and max(main+A, main+A+B) < 512 */ - .result = ACCEPT, + .result = VERBOSE_ACCEPT, + .errstr = "stack depth max 352\t" + "prog () insns \t" + " stack 32\t" + "subprog 1 () insns \t" + " stack 256\t" + "subprog 2 () insns \t" + " stack 64", }, { "calls: stack depth check using three frames. test2", -- 2.53.0