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/*
* 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);
};
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