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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.
#include "android-base/result.h"
#include "exec_utils.h"
#include "tinyxml2.h"
namespace art {
namespace odrefresh {
// Default location for storing metrics from odrefresh.
constexpr const char* kOdrefreshMetricsFile = "/data/misc/odrefresh/odrefresh-metrics.xml";
// Initial OdrefreshMetrics version
static constexpr int32_t kOdrefreshMetricsVersion = 4;
// Constant value used in ExecResult when the process was not run at all.
// Mirrors EXEC_RESULT_STATUS_NOT_RUN contained in
// frameworks/proto_logging/stats/enums/art/common_enums.proto.
static constexpr int32_t kExecResultNotRun = 5;
static_assert(kExecResultNotRun > ExecResult::Status::kLast,
"`art::odrefresh::kExecResultNotRun` value should not overlap with"
" values of enum `art::ExecResult::Status`");
// 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 {
struct Dex2OatExecResult {
int32_t status;
int32_t exit_code;
int32_t signal;
explicit Dex2OatExecResult(int32_t status, int32_t exit_code, int32_t signal)
: status(status), exit_code(exit_code), signal(signal) {}
explicit Dex2OatExecResult(const ExecResult& result)
: status(result.status), exit_code(result.exit_code), signal(result.signal) {}
Dex2OatExecResult() : status(kExecResultNotRun), exit_code(-1), signal(0) {}
};
int32_t odrefresh_metrics_version;
int64_t art_apex_version;
int32_t trigger;
int32_t stage_reached;
int32_t status;
int32_t cache_space_free_start_mib;
int32_t cache_space_free_end_mib;
int32_t primary_bcp_compilation_millis;
int32_t secondary_bcp_compilation_millis;
int32_t system_server_compilation_millis;
Dex2OatExecResult primary_bcp_dex2oat_result;
Dex2OatExecResult secondary_bcp_dex2oat_result;
Dex2OatExecResult system_server_dex2oat_result;
int32_t primary_bcp_compilation_type;
int32_t secondary_bcp_compilation_type;
// Reads a `MetricsRecord` from an XML file.
// Returns an error if the XML document was not found or parsed correctly.
android::base::Result<void> ReadFromFile(const std::string& filename);
// Writes a `MetricsRecord` to an XML file.
// Returns an error if the XML document was not saved correctly.
android::base::Result<void> WriteToFile(const std::string& filename) const;
};
} // namespace odrefresh
} // namespace art
#endif // ART_ODREFRESH_ODR_METRICS_RECORD_H_
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