[*] further deprecate high res clock

[*] further posix resolution reporting
This commit is contained in:
Reece Wilson 2023-04-22 22:58:20 +01:00
parent 945d54ef78
commit 2a33d61e63
5 changed files with 73 additions and 70 deletions

View File

@ -85,58 +85,53 @@ namespace Aurora::Time
AUKN_SYM AuUInt64 SteadyClockJiffies();
/**
* @brief frequency
* @brief frequency in jiffies per second
* @return
*/
AUKN_SYM AuUInt64 ThreadClockJiffies();
/**
* @brief time spent in userspace under this context [in jiffies]
* @return
*/
AUKN_SYM AuUInt64 ThreadClock();
/**
* @brief time spent in userspace under this context
* @brief time spent in userspace under this context [in nanoseconds]
* @return
*/
AUKN_SYM AuUInt64 ThreadClockNS();
/**
* @brief time spent in userspace under this context [in milliseconds]
* @return
*/
AUKN_SYM AuUInt64 ThreadClockMS();
/**
* @brief frequency
* @brief frequency in jiffies per second
* @return
*/
AUKN_SYM AuUInt64 ProcessClockJiffies();
/**
* @brief time spent in userspace and in the kernel under this process
* @brief time spent in userspace and in the kernel under this process [in jiffies]
* @return
*/
AUKN_SYM AuUInt64 ProcessClock();
/**
* @brief time spent in userspace and in the kernel under this process [in nanoseconds]
* @return
*/
AUKN_SYM AuUInt64 ProcessClockNS();
/**
* @brief time spent in userspace and in the kernel under this process [in milliseconds]
* @return
*/
AUKN_SYM AuUInt64 ProcessClockMS();
/**
Returns a high resolution count of jiffies with an undefined epoch from a
high resolution clock.
These values should be used to drive benchmarks.
These values should not nor can be accurately converted meaningfully
*/
AUKN_SYM AuUInt64 HighResClock();
AUKN_SYM AuUInt64 HighResClockMS();
AUKN_SYM AuUInt64 HighResClockNS();
/**
Retrieves the freqency of jiffies per second
*/
AUKN_SYM AuUInt64 HighResClockJiffies();
/**
Let's say you're fucked and you need a ball park figure.
Enjoy...
*/
AUKN_SYM AuUInt64 ConvertInternalToAuroraEpochMS(AuUInt64 in);
AUKN_SYM AuUInt64 ConvertInternalToAuroraEpochNS(AuUInt64 in);
/**
Converts seconds from the Aurora epoch to time_t
*/
@ -154,16 +149,6 @@ namespace Aurora::Time
AUKN_SYM AuInt64 CTimeToMS(time_t time);
/**
Retrieves the freqency as a fraction of: jiffies per second / 1 * nanoseconds in a second
*/
AUKN_SYM double CPUFrequencyDeltaNS();
/**
Retrieves the freqency as a fraction of: jiffies per second / 1 * milliseconds in a second
*/
AUKN_SYM double CPUFrequencyDeltaMS();
/**
* @brief
* @return

View File

@ -468,7 +468,7 @@ namespace Aurora::IO
if (this->IsTickOnly())
{
auto next = this->timers.nbTicker.nextTriggerTime;
auto now = AuTime::HighResClockNS();
auto now = AuTime::SteadyClockNS();
if (now >= next)
{
@ -607,7 +607,7 @@ namespace Aurora::IO
if (!this->timers.nbTicker.nextTriggerTime)
{
this->timers.nbTicker.nextTriggerTime = AuTime::HighResClockNS() + this->timers.nbTicker.nsTimeStep;
this->timers.nbTicker.nextTriggerTime = AuTime::SteadyClockNS() + this->timers.nbTicker.nsTimeStep;
}
}

View File

@ -591,7 +591,7 @@ namespace Aurora::IO::Loop
count = this->handleArrayAnd_.size();
AuUInt64 startTime = AuTime::HighResClockMS();
AuUInt64 startTime = AuTime::SteadyClockMS();
AuUInt64 endTime = startTime + timeout;
for (const auto &source : this->loopSourceExs_)
@ -603,7 +603,7 @@ namespace Aurora::IO::Loop
{
auto next = AuMin(count - index, AuUInt32(MAXIMUM_WAIT_OBJECTS));
startTime = AuTime::HighResClockMS();
startTime = AuTime::SteadyClockMS();
if (timeout)
{
@ -729,7 +729,7 @@ namespace Aurora::IO::Loop
AuUInt32 ret {};
bool lastItr {};
AuUInt64 startTime = AuTime::HighResClockMS();
AuUInt64 startTime = AuTime::SteadyClockNS();
AuUInt64 endTime = timeout ? (startTime + timeout) : AuUInt64(-1);
AuUInt32 chuggerIndex {};
@ -751,7 +751,7 @@ namespace Aurora::IO::Loop
{
AuList<AuSPtr<ILoopSource>> trigger;
AuUInt64 startTime = AuTime::HighResClockMS();
AuUInt64 startTime = AuTime::SteadyClockNS();
AuUInt64 endTime = timeout ? (startTime + timeout) : AuUInt64(-1);
AuUInt32 chuggerIndex {};
@ -827,7 +827,7 @@ namespace Aurora::IO::Loop
auto sleepMS = this->slowTickMs_;
if (internalEndTime && internalEndTime != AuUInt64(-1))
{
auto now = AuTime::HighResClockMS();
auto now = AuTime::SteadyClockMS();
auto delta = AuInt64(internalEndTime) - AuInt64(now);
if (delta <= 0)
@ -920,7 +920,7 @@ namespace Aurora::IO::Loop
}
else
{
auto now = AuTime::HighResClockMS();
auto now = AuTime::SteadyClockMS();
if (internalEndTime <= now)
{
return false;
@ -982,7 +982,7 @@ namespace Aurora::IO::Loop
{
Iterator queueIterator(this);
AuSInt indexOffset {};
auto now = AuTime::HighResClockMS();
auto now = AuTime::SteadyClockMS();
for (queueIterator.Start(); queueIterator.End() != queueIterator.itr; )
{
bool shouldRemove {false};
@ -1254,7 +1254,7 @@ namespace Aurora::IO::Loop
Iterator queueIterator(this);
bool bRebuildFromAnd {};
auto now = AuTime::HighResClockMS();
auto now = AuTime::SteadyClockMS();
for (queueIterator.Start(); queueIterator.End() != queueIterator.itr; )
{

View File

@ -64,7 +64,7 @@ namespace Aurora::Threading::Primitives
}
else
{
AuUInt64 startTime = AuTime::HighResClockNS();
AuUInt64 startTime = AuTime::SteadyClockNS();
AuUInt64 endTime = startTime + timeout;
while (AuAtomicTestAndSet(&this->state_, 0))
@ -72,7 +72,7 @@ namespace Aurora::Threading::Primitives
long count = 0;
while (this->state_)
{
if (endTime <= AuTime::HighResClockNS())
if (endTime <= AuTime::SteadyClockNS())
{
return false;
}

View File

@ -130,6 +130,12 @@ static time_t CalculateTimeT(AuUInt64 in)
namespace Aurora::Time
{
// removed from public header / deprecating
AUKN_SYM AuUInt64 HighResClock();
AUKN_SYM AuUInt64 HighResClockNS();
AUKN_SYM AuUInt64 HighResClockMS();
AUKN_SYM AuUInt64 HighResClockJiffies();
AUKN_SYM time_t SToCTime(AuInt64 time)
{
return CalculateTimeT<std::chrono::seconds>(time);
@ -262,6 +268,22 @@ namespace Aurora::Time
return 1000000000ull / 100u;
#endif
#if defined(AURORA_IS_POSIX_DERIVED)
::timespec spec {};
if (::clock_getres(CLOCK_THREAD_CPUTIME_ID, &spec) == 0)
{
if (spec.tv_nsec && !spec.tv_sec)
{
return frequency = 1000000000ull / spec.tv_nsec;
}
else
{
SysUnreachable();
return 0;
}
}
#endif
return HighResClockJiffies();
}
@ -333,6 +355,22 @@ namespace Aurora::Time
return 1000000000ull / 100u;
#endif
#if defined(AURORA_IS_POSIX_DERIVED)
::timespec spec {};
if (::clock_getres(CLOCK_PROCESS_CPUTIME_ID, &spec) == 0)
{
if (spec.tv_nsec && !spec.tv_sec)
{
return frequency = 1000000000ull / spec.tv_nsec;
}
else
{
SysUnreachable();
return 0;
}
}
#endif
return HighResClockJiffies();
}
@ -380,26 +418,6 @@ namespace Aurora::Time
return epochDelta + in;
}
AUKN_SYM double CPUFrequencyDeltaNS()
{
static double frequency = 0;
if (frequency != 0)
{
return frequency;
}
return frequency = (static_cast<double>(high_res_clock::period::num) / static_cast<double>(high_res_clock::period::den) * 1'000'000'000.f);
}
AUKN_SYM double CPUFrequencyDeltaMS()
{
static double frequency = 0;
if (frequency != 0)
{
return frequency;
}
return frequency = (static_cast<double>(high_res_clock::period::num) / static_cast<double>(high_res_clock::period::den) * 1'000.f);
}
AUKN_SYM AuUInt64 SteadyClockJiffies()
{
static AuUInt64 frequency = 0;