Commit 06744f24 authored by Rong Tao's avatar Rong Tao Committed by Andrii Nakryiko
Browse files

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



Commit fe330089("samples: bpf: fix syscall_tp due to unused syscall")
added openat() syscall tracepoints. This patch adds support for
openat2() as well.

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_9381CB1A158ED7ADD12C4406034E21A3AC07@qq.com
parent ab8684b8

samples/bpf/syscall_tp_kern.c

+14 −0
Original line number Diff line number Diff line
@@ -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;

}