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Sun, 31 Aug 2025 20:43:01 -0700 (PDT) Received: from 7940hx ([43.129.244.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-249067de9f1sm88398265ad.151.2025.08.31.20.42.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 31 Aug 2025 20:43:01 -0700 (PDT) From: Menglong Dong X-Google-Original-From: Menglong Dong To: andrii@kernel.org, olsajiri@gmail.com Cc: eddyz87@gmail.com, mykolal@fb.com, ast@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, shuah@kernel.org, yikai.lin@vivo.com, memxor@gmail.com, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next v3 0/3] selftests/bpf: benchmark all symbols for kprobe-multi Date: Mon, 1 Sep 2025 11:42:49 +0800 Message-ID: <20250901034252.26121-1-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add the benchmark testcase "kprobe-multi-all", which will hook all the kernel functions during the testing. This series is separated out from [1]. Changes since V2: * add some comment to attach_ksyms_all, which notes that don't run the testing on a debug kernel Changes since V1: * introduce trace_blacklist instead of copy-pasting strcmp in the 2nd patch * use fprintf() instead of printf() in 3rd patch Link: https://lore.kernel.org/bpf/20250817024607.296117-1-dongml2@chinatelecom.cn/ [1] Menglong Dong (3): selftests/bpf: move get_ksyms and get_addrs to trace_helpers.c selftests/bpf: skip recursive functions for kprobe_multi selftests/bpf: add benchmark testing for kprobe-multi-all tools/testing/selftests/bpf/bench.c | 4 + .../selftests/bpf/benchs/bench_trigger.c | 61 +++++ .../selftests/bpf/benchs/run_bench_trigger.sh | 4 +- .../bpf/prog_tests/kprobe_multi_test.c | 220 +--------------- .../selftests/bpf/progs/trigger_bench.c | 12 + tools/testing/selftests/bpf/trace_helpers.c | 234 ++++++++++++++++++ tools/testing/selftests/bpf/trace_helpers.h | 3 + 7 files changed, 319 insertions(+), 219 deletions(-) -- 2.51.0