diff --git a/services/stats/StatsAidl.cpp b/services/stats/StatsAidl.cpp
new file mode 100644
index 0000000..a3b68f1
--- /dev/null
+++ b/services/stats/StatsAidl.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define DEBUG false // STOPSHIP if true
+#define LOG_TAG "StatsAidl"
+
+#include <log/log.h>
+#include <statslog.h>
+
+#include "StatsAidl.h"
+
+namespace aidl {
+namespace android {
+namespace frameworks {
+namespace stats {
+
+StatsHal::StatsHal() {}
+
+ndk::ScopedAStatus StatsHal::reportVendorAtom(const VendorAtom& vendorAtom) {
+    std::string reverseDomainName = (std::string) vendorAtom.reverseDomainName;
+    if (vendorAtom.atomId < 100000 || vendorAtom.atomId >= 200000) {
+        ALOGE("Atom ID %ld is not a valid vendor atom ID", (long) vendorAtom.atomId);
+        return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
+            -1, "Not a valid vendor atom ID");
+    }
+    if (reverseDomainName.length() > 50) {
+        ALOGE("Vendor atom reverse domain name %s is too long.", reverseDomainName.c_str());
+        return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
+            -1, "Vendor atom reverse domain name is too long");
+    }
+    AStatsEvent* event = AStatsEvent_obtain();
+    AStatsEvent_setAtomId(event, vendorAtom.atomId);
+    AStatsEvent_writeString(event, vendorAtom.reverseDomainName.c_str());
+    for (const auto& atomValue : vendorAtom.values) {
+        switch (atomValue.getTag()) {
+            case VendorAtomValue::intValue:
+                AStatsEvent_writeInt32(event,
+                    atomValue.get<VendorAtomValue::intValue>());
+                break;
+            case VendorAtomValue::longValue:
+                AStatsEvent_writeInt64(event,
+                    atomValue.get<VendorAtomValue::longValue>());
+                break;
+            case VendorAtomValue::floatValue:
+                AStatsEvent_writeFloat(event,
+                    atomValue.get<VendorAtomValue::floatValue>());
+                break;
+            case VendorAtomValue::stringValue:
+                AStatsEvent_writeString(event,
+                    atomValue.get<VendorAtomValue::stringValue>().c_str());
+                break;
+        }
+    }
+    AStatsEvent_build(event);
+    const int ret = AStatsEvent_write(event);
+    AStatsEvent_release(event);
+
+    return ret <= 0 ?
+            ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ret, "report atom failed") :
+            ndk::ScopedAStatus::ok();
+}
+
+}  // namespace stats
+}  // namespace frameworks
+}  // namespace android
+}  // namespace aidl