From aef16eed78a35a3c99ecccb7eb36eb657244ddc2 Mon Sep 17 00:00:00 2001
From: officeyutong <yt.xyxx@gmail.com>
Date: Mon, 9 Oct 2023 23:48:49 +0800
Subject: [PATCH] Simply adds a header and source

---
 runtime/CMakeLists.txt                   |  1 +
 runtime/src/bpf_map/perf_event_array.cpp |  0
 runtime/src/bpf_map/perf_event_array.hpp | 24 ++++++++++++++++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 runtime/src/bpf_map/perf_event_array.cpp
 create mode 100644 runtime/src/bpf_map/perf_event_array.hpp

diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
index 65eb4c6d..3af3955f 100644
--- a/runtime/CMakeLists.txt
+++ b/runtime/CMakeLists.txt
@@ -64,6 +64,7 @@ set(sources
   src/bpf_map/array_map.cpp
   src/bpf_map/hash_map.cpp
   src/bpf_map/ringbuf_map.cpp
+  src/bpf_map/perf_event_array.cpp
 )
 
 # list(APPEND sources
diff --git a/runtime/src/bpf_map/perf_event_array.cpp b/runtime/src/bpf_map/perf_event_array.cpp
new file mode 100644
index 00000000..e69de29b
diff --git a/runtime/src/bpf_map/perf_event_array.hpp b/runtime/src/bpf_map/perf_event_array.hpp
new file mode 100644
index 00000000..db7c7cc3
--- /dev/null
+++ b/runtime/src/bpf_map/perf_event_array.hpp
@@ -0,0 +1,24 @@
+#ifndef _PERF_EVENT_ARRAY_HPP
+#define _PERF_EVENT_ARRAY_HPP
+#include <cstdint>
+#include <boost/interprocess/managed_shared_memory.hpp>
+namespace bpftime
+{
+class perf_event_array_impl {
+    private:
+    
+    public:
+	const static bool should_lock = true;
+	perf_event_array_impl(boost::interprocess::managed_shared_memory &memory,
+			      uint32_t key_size, uint32_t value_size);
+
+	void *elem_lookup(const void *key);
+
+	long elem_update(const void *key, const void *value, uint64_t flags);
+
+	long elem_delete(const void *key);
+
+	int bpf_map_get_next_key(const void *key, void *next_key);
+};
+} // namespace bpftime
+#endif