91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
/*
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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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#include "android-base/result.h"
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#include "exec_utils.h"
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#include "tinyxml2.h"
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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.xml";
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// Initial OdrefreshMetrics version
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static constexpr int32_t kOdrefreshMetricsVersion = 4;
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// Constant value used in ExecResult when the process was not run at all.
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// Mirrors EXEC_RESULT_STATUS_NOT_RUN contained in frameworks/proto_logging/atoms.proto.
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static constexpr int32_t kExecResultNotRun = 5;
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static_assert(kExecResultNotRun > ExecResult::Status::kLast,
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"`art::odrefresh::kExecResultNotRun` value should not overlap with"
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" values of enum `art::ExecResult::Status`");
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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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struct Dex2OatExecResult {
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int32_t status;
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int32_t exit_code;
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int32_t signal;
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explicit Dex2OatExecResult(int32_t status, int32_t exit_code, int32_t signal)
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: status(status), exit_code(exit_code), signal(signal) {}
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explicit Dex2OatExecResult(const ExecResult& result)
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: status(result.status), exit_code(result.exit_code), signal(result.signal) {}
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Dex2OatExecResult() : status(kExecResultNotRun), exit_code(-1), signal(0) {}
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};
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int32_t odrefresh_metrics_version;
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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 cache_space_free_start_mib;
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int32_t cache_space_free_end_mib;
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int32_t primary_bcp_compilation_millis;
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int32_t secondary_bcp_compilation_millis;
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int32_t system_server_compilation_millis;
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Dex2OatExecResult primary_bcp_dex2oat_result;
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Dex2OatExecResult secondary_bcp_dex2oat_result;
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Dex2OatExecResult system_server_dex2oat_result;
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int32_t primary_bcp_compilation_type;
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int32_t secondary_bcp_compilation_type;
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// Reads a `MetricsRecord` from an XML file.
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// Returns an error if the XML document was not found or parsed correctly.
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android::base::Result<void> ReadFromFile(const std::string& filename);
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// Writes a `MetricsRecord` to an XML file.
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// Returns an error if the XML document was not saved correctly.
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android::base::Result<void> WriteToFile(const std::string& filename) const;
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};
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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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