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Sat, 25 Oct 2025 20:02:29 -0700 (PDT) From: Menglong Dong X-Google-Original-From: Menglong Dong To: ast@kernel.org, jolsa@kernel.org Cc: daniel@iogearbox.net, john.fastabend@gmail.com, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, mattbobrowski@google.com, rostedt@goodmis.org, mhiramat@kernel.org, leon.hwang@linux.dev, jiang.biao@linux.dev, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: [PATCH bpf-next v3 7/7] selftests/bpf: test fsession mixed with fentry and fexit Date: Sun, 26 Oct 2025 11:01:43 +0800 Message-ID: <20251026030143.23807-8-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251026030143.23807-1-dongml2@chinatelecom.cn> References: <20251026030143.23807-1-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" Test the fsession when it is used together with fentry, fexit. Signed-off-by: Menglong Dong --- .../selftests/bpf/progs/fsession_test.c | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/tools/testing/selftests/bpf/progs/fsession_test.c b/tools/test= ing/selftests/bpf/progs/fsession_test.c index 8f266d8e4b55..f78348e541a4 100644 --- a/tools/testing/selftests/bpf/progs/fsession_test.c +++ b/tools/testing/selftests/bpf/progs/fsession_test.c @@ -228,3 +228,37 @@ int BPF_PROG(test12, int a) test12_exit_ok =3D *cookie =3D=3D 0x1111222233334444ull; return 0; } + +__u64 test13_entry_result =3D 0; +__u64 test13_exit_result =3D 0; + +SEC("fsession/bpf_fentry_test1") +int BPF_PROG(test13, int a, int ret) +{ + __u64 *cookie =3D bpf_fsession_cookie(ctx); + + if (!bpf_tracing_is_exit(ctx)) { + test13_entry_result =3D a =3D=3D 1 && ret =3D=3D 0; + *cookie =3D 0x123456ULL; + return 0; + } + + test13_exit_result =3D a =3D=3D 1 && ret =3D=3D 2 && *cookie =3D=3D 0x123= 456ULL; + return 0; +} + +__u64 test14_result =3D 0; +SEC("fexit/bpf_fentry_test1") +int BPF_PROG(test14, int a, int ret) +{ + test14_result =3D a =3D=3D 1 && ret =3D=3D 2; + return 0; +} + +__u64 test15_result =3D 0; +SEC("fentry/bpf_fentry_test1") +int BPF_PROG(test15, int a) +{ + test15_result =3D a =3D=3D 1; + return 0; +} --=20 2.51.1