From 06744f24696e1e7598412c3df61a538b57ebec22 Mon Sep 17 00:00:00 2001
From: Rong Tao <rongtao@cestc.cn>
Date: Wed, 8 Feb 2023 09:04:41 +0800
Subject: [PATCH] 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
---
samples/bpf/syscall_tp_kern.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/samples/bpf/syscall_tp_kern.c b/samples/bpf/syscall_tp_kern.c
index 50231c2eff9cf..e7121dd1ee377 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;
+}
--
GitLab