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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_ARC_TRACING_ARC_VALUE_EVENT_H_
#define CHROME_BROWSER_ASH_ARC_TRACING_ARC_VALUE_EVENT_H_
#include <ostream>
#include <vector>
#include "base/values.h"
namespace arc {
// Tracing event with a value.
struct ArcValueEvent {
enum class Type {
kMemTotal,
kMemUsed,
kSwapRead,
kSwapWrite,
kSwapWait,
kGemObjects,
kGemSize,
kGpuFrequency,
kCpuTemperature,
kCpuFrequency,
kCpuPower,
kGpuPower,
kMemoryPower,
kPackagePowerConstraint,
kWakenessfullMode,
kThrottlingMode,
};
ArcValueEvent(int64_t timestamp, Type type, int value);
bool operator==(const ArcValueEvent& other) const;
uint64_t timestamp;
Type type;
/**
* kMemTotal - kb.
* kMemUsed - kb.
* kSwapRead - number of sectors.
* kSwapWrite - number of sectors.
* kSwapWait - milliseconds.
* kGemObjects - number of objects
* kGemSize - kb
* kGpuFrequency - mhz
* kCpuTemperature - celsius * 1000
* kCpuFrequency - khz
* kCpuPower - milli-watts
* kGpuPower - milli-watts
* kMemoryPower - milli-watts
* kPackagePowerConstraint - milli-watts
*/
int value;
};
using ValueEvents = std::vector<ArcValueEvent>;
// Serializes value events into |base::Value::List|.
base::Value::List SerializeValueEvents(const ValueEvents& value_events);
// Loads value events from |base::Value::List|. Returns true in case value
// events were loaded successfully.
bool LoadValueEvents(const base::Value* value, ValueEvents* value_events);
std::ostream& operator<<(std::ostream& os, ArcValueEvent::Type event_type);
} // namespace arc
#endif // CHROME_BROWSER_ASH_ARC_TRACING_ARC_VALUE_EVENT_H_
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