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Date: Tue, 11 Dec 2018 21:28:52 -0800
From: Alexei Starovoitov <ast@...nel.org>
To: "David S . Miller" <davem@...emloft.net>
CC: <daniel@...earbox.net>, <ecree@...arflare.com>,
<jakub.kicinski@...ronome.com>, <jiong.wang@...ronome.com>,
<netdev@...r.kernel.org>, <kernel-team@...com>
Subject: [PATCH bpf-next 2/4] selftests/bpf: check insn processed in test_verifier
teach test_verifier to parse verifier output for insn processed
and compare with expected number
Signed-off-by: Alexei Starovoitov <ast@...nel.org>
---
tools/testing/selftests/bpf/test_verifier.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index a08c67c8767e..82359cdbc805 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -76,7 +76,7 @@ struct bpf_test {
int fixup_percpu_cgroup_storage[MAX_FIXUPS];
const char *errstr;
const char *errstr_unpriv;
- uint32_t retval, retval_unpriv;
+ uint32_t retval, retval_unpriv, insn_processed;
enum {
UNDEF,
ACCEPT,
@@ -14444,6 +14444,19 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
}
}
+ if (test->insn_processed) {
+ uint32_t insn_processed;
+ char *proc;
+
+ proc = strstr(bpf_vlog, "processed ");
+ insn_processed = atoi(proc + 10);
+ if (test->insn_processed != insn_processed) {
+ printf("FAIL\nUnexpected insn_processed %u vs %u\n",
+ insn_processed, test->insn_processed);
+ goto fail_log;
+ }
+ }
+
if (fd_prog >= 0) {
__u8 tmp[TEST_DATA_LEN << 2];
__u32 size_tmp = sizeof(tmp);
--
2.17.1
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