Add atrace HAL 1.0
Bug: 111098596
Test: vts, atrace and systrace
Change-Id: If59efe6fe74e9ca832f38fe0cfe0186db5ca7fe3
diff --git a/atrace/1.0/IAtraceDevice.hal b/atrace/1.0/IAtraceDevice.hal
new file mode 100644
index 0000000..b6e78b4
--- /dev/null
+++ b/atrace/1.0/IAtraceDevice.hal
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+package android.hardware.atrace@1.0;
+
+interface IAtraceDevice {
+ /**
+ * Get vendor extended atrace points.
+ *
+ *
+ * @return categories of tracing points the device extended.
+ */
+ listCategories() generates (vec<TracingCategory> categories);
+
+ /**
+ * A hook when atrace set to enable specific categories, so HAL
+ * can enable kernel tracing points and/or notify other things
+ * for userspace tracing turning on.
+ *
+ * @param categories A vector of strings of categories (corresponding to
+ * TracingCategory.name) atrace needs to be enabled.
+ *
+ * @return status SUCCESS on success,
+ * ERROR_TRACING_POINT on error with enabling categories,
+ * ERROR_INVALID_ARGUMENT on invalid argument passed.
+ */
+ enableCategories(vec<string> categories) generates (Status status);
+
+ /**
+ * A hook when atrace set to clean up tracing categories, so HAL
+ * can disable all kernel tracing points and/or notify other things
+ * for userspace tracing turning off.
+ *
+ * @return status SUCCESS on success,
+ * ERROR_TRACING_POINT on error with disabling categories.
+ */
+ disableAllCategories() generates (Status status);
+};