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| author | Rong Tao <rongtao@cestc.cn> | 2023-02-08 09:04:41 +0800 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2023-02-08 16:50:42 -0800 |
| commit | 06744f24696e1e7598412c3df61a538b57ebec22 (patch) | |
| tree | 95c89e3cdd0a616abcdab444f8ebe2c8231945e3 /samples | |
| parent | ab8684b8cecf711cc9e47c1cbb1a8f4b549f8893 (diff) | |
| download | lwn-06744f24696e1e7598412c3df61a538b57ebec22.tar.gz lwn-06744f24696e1e7598412c3df61a538b57ebec22.zip | |
samples/bpf: Add openat2() enter/exit tracepoint to syscall_tp sample
Commit fe3300897cbf("samples: bpf: fix syscall_tp due to unused syscall")
added openat() syscall tracepoints. This patch adds support for
openat2() as well.
Signed-off-by: Rong Tao <rongtao@cestc.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/tencent_9381CB1A158ED7ADD12C4406034E21A3AC07@qq.com
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/syscall_tp_kern.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/samples/bpf/syscall_tp_kern.c b/samples/bpf/syscall_tp_kern.c index 50231c2eff9c..e7121dd1ee37 100644 --- a/samples/bpf/syscall_tp_kern.c +++ b/samples/bpf/syscall_tp_kern.c @@ -58,6 +58,13 @@ int trace_enter_open_at(struct syscalls_enter_open_args *ctx) return 0; } +SEC("tracepoint/syscalls/sys_enter_openat2") +int trace_enter_open_at2(struct syscalls_enter_open_args *ctx) +{ + count(&enter_open_map); + return 0; +} + SEC("tracepoint/syscalls/sys_exit_open") int trace_enter_exit(struct syscalls_exit_open_args *ctx) { @@ -71,3 +78,10 @@ int trace_enter_exit_at(struct syscalls_exit_open_args *ctx) count(&exit_open_map); return 0; } + +SEC("tracepoint/syscalls/sys_exit_openat2") +int trace_enter_exit_at2(struct syscalls_exit_open_args *ctx) +{ + count(&exit_open_map); + return 0; +} |