From: Rong Tao <rtoax@foxmail.com>
To: ast@kernel.org
Cc: rongtao@cestc.cn, Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
bpf@vger.kernel.org (open list:BPF [GENERAL] (Safe Dynamic
Programs and Tools)), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH bpf-next] samples/bpf: syscall_tp: aarch64 no open syscall
Date: Tue, 11 Jul 2023 19:14:59 +0800 [thread overview]
Message-ID: <tencent_C6AD4AD72BEFE813228FC188905F96C6A506@qq.com> (raw)
From: Rong Tao <rongtao@cestc.cn>
__NR_open never exist on AArch64.
Signed-off-by: Rong Tao <rongtao@cestc.cn>
---
samples/bpf/syscall_tp_kern.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/samples/bpf/syscall_tp_kern.c b/samples/bpf/syscall_tp_kern.c
index e7121dd1ee37..090fecfe641a 100644
--- a/samples/bpf/syscall_tp_kern.c
+++ b/samples/bpf/syscall_tp_kern.c
@@ -44,12 +44,14 @@ static __always_inline void count(void *map)
bpf_map_update_elem(map, &key, &init_val, BPF_NOEXIST);
}
+#if !defined(__aarch64__)
SEC("tracepoint/syscalls/sys_enter_open")
int trace_enter_open(struct syscalls_enter_open_args *ctx)
{
count(&enter_open_map);
return 0;
}
+#endif
SEC("tracepoint/syscalls/sys_enter_openat")
int trace_enter_open_at(struct syscalls_enter_open_args *ctx)
@@ -65,12 +67,14 @@ int trace_enter_open_at2(struct syscalls_enter_open_args *ctx)
return 0;
}
+#if !defined(__aarch64__)
SEC("tracepoint/syscalls/sys_exit_open")
int trace_enter_exit(struct syscalls_exit_open_args *ctx)
{
count(&exit_open_map);
return 0;
}
+#endif
SEC("tracepoint/syscalls/sys_exit_openat")
int trace_enter_exit_at(struct syscalls_exit_open_args *ctx)
--
2.41.0
next reply other threads:[~2023-07-11 11:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-11 11:14 Rong Tao [this message]
2023-07-11 17:10 ` patchwork-bot+netdevbpf
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