Commit 07018b57 authored by Rong Tao's avatar Rong Tao Committed by Andrii Nakryiko
Browse files

samples/bpf: syscall_tp: Aarch64 no open syscall 



__NR_open never exist on AArch64.

Signed-off-by: default avatarRong Tao <rongtao@cestc.cn>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/tencent_C6AD4AD72BEFE813228FC188905F96C6A506@qq.com
parent a3e7e6b1

samples/bpf/syscall_tp_kern.c

+4 −0
Original line number Diff line number Diff line
@@ -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)