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Mon, 18 Aug 2025 20:40:17 -0700 (PDT) Received: from 7940hx ([43.129.244.20]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-76e7d0d22b8sm1109804b3a.4.2025.08.18.20.40.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Aug 2025 20:40:16 -0700 (PDT) From: Menglong Dong X-Google-Original-From: Menglong Dong To: ast@kernel.org Cc: daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, mykolal@fb.com, shuah@kernel.org, davem@davemloft.net, kuba@kernel.org, hawk@kernel.org, nathan@kernel.org, nick.desaulniers+lkml@gmail.com, morbo@google.com, justinstitt@google.com, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH bpf-next 2/3] selftests/bpf: skip recursive functions for kprobe_multi Date: Tue, 19 Aug 2025 11:39:55 +0800 Message-ID: <20250819033956.59164-3-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250819033956.59164-1-dongml2@chinatelecom.cn> References: <20250819033956.59164-1-dongml2@chinatelecom.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Some functions is recursive for the kprobe_multi and impact the benchmark results. So just skip them. Signed-off-by: Menglong Dong --- tools/testing/selftests/bpf/trace_helpers.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/se= lftests/bpf/trace_helpers.c index d24baf244d1f..9da9da51b132 100644 --- a/tools/testing/selftests/bpf/trace_helpers.c +++ b/tools/testing/selftests/bpf/trace_helpers.c @@ -559,6 +559,22 @@ static bool skip_entry(char *name) if (!strncmp(name, "__ftrace_invalid_address__", sizeof("__ftrace_invalid_address__") - 1)) return true; + + if (!strcmp(name, "migrate_disable")) + return true; + if (!strcmp(name, "migrate_enable")) + return true; + if (!strcmp(name, "rcu_read_unlock_strict")) + return true; + if (!strcmp(name, "preempt_count_add")) + return true; + if (!strcmp(name, "preempt_count_sub")) + return true; + if (!strcmp(name, "__rcu_read_lock")) + return true; + if (!strcmp(name, "__rcu_read_unlock")) + return true; + return false; } =20 --=20 2.50.1