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samples/bpf: Add openat2() enter/exit tracepoint to syscall_tp sample

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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
This commit is contained in:
Rong Tao 2023-02-08 09:04:41 +08:00 committed by Andrii Nakryiko
parent ab8684b8ce
commit 06744f2469
1 changed files with 14 additions and 0 deletions
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14
samples/bpf/syscall_tp_kern.c
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@ -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;
}