64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
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/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_ODREFRESH_ODR_METRICS_RECORD_H_
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#define ART_ODREFRESH_ODR_METRICS_RECORD_H_
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#include <cstdint>
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#include <iosfwd> // For forward-declaration of std::string.
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namespace art {
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namespace odrefresh {
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// Default location for storing metrics from odrefresh.
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constexpr const char* kOdrefreshMetricsFile = "/data/misc/odrefresh/odrefresh-metrics.txt";
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// MetricsRecord is a simpler container for Odrefresh metric values reported to statsd. The order
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// and types of fields here mirror definition of `OdrefreshReported` in
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// frameworks/proto_logging/stats/atoms.proto.
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struct OdrMetricsRecord {
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int64_t art_apex_version;
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int32_t trigger;
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int32_t stage_reached;
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int32_t status;
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int32_t primary_bcp_compilation_seconds;
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int32_t secondary_bcp_compilation_seconds;
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int32_t system_server_compilation_seconds;
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int32_t cache_space_free_start_mib;
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int32_t cache_space_free_end_mib;
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};
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// Read a `MetricsRecord` from an `istream`.
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//
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// This method blocks istream related exceptions, the caller should check `is.fail()` is false after
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// calling.
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//
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// Returns `is`.
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std::istream& operator>>(std::istream& is, OdrMetricsRecord& record);
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// Write a `MetricsRecord` to an `ostream`.
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//
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// This method blocks ostream related exceptions, the caller should check `os.fail()` is false after
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// calling.
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//
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// Returns `os`
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std::ostream& operator<<(std::ostream& os, const OdrMetricsRecord& record);
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} // namespace odrefresh
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} // namespace art
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#endif // ART_ODREFRESH_ODR_METRICS_RECORD_H_
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