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Common::Timer: use chrono::steady_clock internally

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This commit is contained in:
Shawn Hoffman
2022-07-17 20:43:47 -07:00
parent 8d16971a6f
commit 09089eeee0
21 changed files with 139 additions and 257 deletions
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41
Source/Core/Common/Timer.h
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@ -11,43 +11,36 @@ namespace Common
class Timer
{
public:
Timer();
static u64 NowUs();
static u64 NowMs();
void Start();
// Start(), then decrement start time by the offset.
// Effectively "resumes" a timer
void StartWithOffset(u64 offset);
void Stop();
void Update();
bool IsRunning() const { return m_running; }
u64 ElapsedMs() const;
// The time difference is always returned in milliseconds, regardless of alternative internal
// representation
u64 GetTimeDifference();
void AddTimeDifference();
static u64 GetLocalTimeSinceJan1970();
bool IsRunning() const { return m_Running; }
// Returns biased system timestamp as double
// It is very unlikely you want to use this in new code; ideally we can remove it completely.
static double GetSystemTimeAsDouble();
// Formats a timestamp from GetSystemTimeAsDouble() into a date and time string
static std::string SystemTimeAsDoubleToString(double time);
static void IncreaseResolution();
static void RestoreResolution();
static u64 GetTimeSinceJan1970();
static u64 GetLocalTimeSinceJan1970();
// Returns a timestamp with decimals for precise time comparisons
static double GetDoubleTime();
static std::string GetTimeFormatted();
// Formats a timestamp from GetDoubleTime() into a date and time string
static std::string GetDateTimeFormatted(double time);
std::string GetTimeElapsedFormatted() const;
u64 GetTimeElapsed();
static u32 GetTimeMs();
static u64 GetTimeUs();
// Arbitrarily chosen value (38 years) that is subtracted in GetDoubleTime()
// Arbitrarily chosen value (38 years) that is subtracted in GetSystemTimeAsDouble()
// to increase sub-second precision of the resulting double timestamp
static constexpr int DOUBLE_TIME_OFFSET = (38 * 365 * 24 * 60 * 60);
private:
u64 m_LastTime;
u64 m_StartTime;
bool m_Running;
u64 m_start_ms{0};
u64 m_end_ms{0};
bool m_running{false};
};
} // Namespace Common