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/*
* Copyright (C) 2021 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 ART_ODREFRESH_ODR_METRICS_RECORD_H_
#define ART_ODREFRESH_ODR_METRICS_RECORD_H_
#include <cstdint>
#include <iosfwd> // For forward-declaration of std::string.
namespace art {
namespace odrefresh {
// Default location for storing metrics from odrefresh.
constexpr const char* kOdrefreshMetricsFile = "/data/misc/odrefresh/odrefresh-metrics.txt";
// MetricsRecord is a simpler container for Odrefresh metric values reported to statsd. The order
// and types of fields here mirror definition of `OdrefreshReported` in
// frameworks/proto_logging/stats/atoms.proto.
struct OdrMetricsRecord {
int64_t art_apex_version;
int32_t trigger;
int32_t stage_reached;
int32_t status;
int32_t primary_bcp_compilation_seconds;
int32_t secondary_bcp_compilation_seconds;
int32_t system_server_compilation_seconds;
int32_t cache_space_free_start_mib;
int32_t cache_space_free_end_mib;
};
// Read a `MetricsRecord` from an `istream`.
//
// This method blocks istream related exceptions, the caller should check `is.fail()` is false after
// calling.
//
// Returns `is`.
std::istream& operator>>(std::istream& is, OdrMetricsRecord& record);
// Write a `MetricsRecord` to an `ostream`.
//
// This method blocks ostream related exceptions, the caller should check `os.fail()` is false after
// calling.
//
// Returns `os`
std::ostream& operator<<(std::ostream& os, const OdrMetricsRecord& record);
} // namespace odrefresh
} // namespace art
#endif // ART_ODREFRESH_ODR_METRICS_RECORD_H_
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