diff --git a/services/oboeservice/AAudioServiceEndpointMMAP.cpp b/services/oboeservice/AAudioServiceEndpointMMAP.cpp
index 8db1761..541be20 100644
--- a/services/oboeservice/AAudioServiceEndpointMMAP.cpp
+++ b/services/oboeservice/AAudioServiceEndpointMMAP.cpp
@@ -98,6 +98,9 @@
             .flags = AUDIO_FLAG_LOW_LATENCY,
             .tags = ""
     };
+    ALOGV("open() MMAP attributes.usage = %d, content_type = %d, source = %d",
+          attributes.usage, attributes.content_type, attributes.source);
+
     mMmapClient.clientUid = request.getUserId();
     mMmapClient.clientPid = request.getProcessId();
     mMmapClient.packageName.setTo(String16(""));