platform_hardware_interfaces/atrace/1.0/default/AtraceDevice.h
Hridya Valsaraju 1e52e63238 Let the default Atrace HAL support /sys/kernel/tracing
With this change, atrace HAL will look for tracefs in
/sys/kernel/tracing first and /sys/kernel/debug/tracing second.

Test: systrace
Bug: 185427606
Change-Id: Iccc5af92db222dc422a527c14b1f2fb7bc4e7746
2021-04-22 15:10:46 -07:00

58 lines
1.9 KiB
C++

/*
* 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.
*/
#ifndef ANDROID_HARDWARE_ATRACE_V1_0_ATRACEDEVICE_H
#define ANDROID_HARDWARE_ATRACE_V1_0_ATRACEDEVICE_H
#include <android/hardware/atrace/1.0/IAtraceDevice.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
namespace android {
namespace hardware {
namespace atrace {
namespace V1_0 {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_array;
using ::android::hardware::hidl_memory;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
struct AtraceDevice : public IAtraceDevice {
AtraceDevice();
// Methods from ::android::hardware::atrace::V1_0::IAtraceDevice follow.
Return<void> listCategories(listCategories_cb _hidl_cb) override;
Return<::android::hardware::atrace::V1_0::Status> enableCategories(
const hidl_vec<hidl_string>& categories) override;
Return<::android::hardware::atrace::V1_0::Status> disableAllCategories() override;
private:
std::string tracefs_event_root_;
// Methods from ::android::hidl::base::V1_0::IBase follow.
};
} // namespace implementation
} // namespace V1_0
} // namespace atrace
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_ATRACE_V1_0_ATRACEDEVICE_H