dumpstate: add logbuffer support for display
Add logbuffer support for display driver to dump DSI cmd
Bug: 291441544
Test: adb root; adb shell dumpsys
android.hardware.dumpstate.IDumpstateDevice/default dump_display_logbuffer
Change-Id: I0c40fa9836851caa5b02528888153bd82e3a9d75
Signed-off-by: Ken Lin <lyenting@google.com>
diff --git a/display_logbuffer/dump_display_logbuffer.cpp b/display_logbuffer/dump_display_logbuffer.cpp
new file mode 100644
index 0000000..7477c8c
--- /dev/null
+++ b/display_logbuffer/dump_display_logbuffer.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2022 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.
+ */
+#include <dump/pixel_dump.h>
+#include <unistd.h>
+
+const char* logbuffer_paths[][2] = {
+ {"DSIM0", "/dev/logbuffer_dsim0"},
+ {"DSIM1", "/dev/logbuffer_dsim1"},
+};
+
+int main() {
+ for (auto &logbuffer_path : logbuffer_paths) {
+ if(!access(logbuffer_path[1], R_OK)) {
+ dumpFileContent(logbuffer_path[0], logbuffer_path[1]);
+ }
+ }
+
+ return 0;
+}
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