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[+] AuTime::GetClockUserAndKernelTimeNS

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This commit is contained in:
Reece Wilson 2023-09-20 22:51:59 +01:00
parent 7bc533b710
commit f310fa9aae
2 changed files with 98 additions and 0 deletions
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5
Include/Aurora/Time/StaticClocksDirect.hpp
View File

@ -44,6 +44,11 @@ namespace Aurora::Time
*/
AUKN_SYM AuUInt64 SteadyClockJiffies();
/**
* @return { time spent in userland, time spent in kernelland }
*/
AUKN_SYM AuPair<AuUInt64, AuUInt64> GetClockUserAndKernelTimeNS(EClock clock);
/**
* @brief frequency in jiffies per second
*/

93
Source/Time/AuClock.cpp
View File

@ -226,6 +226,19 @@ namespace Aurora::Time
return GetPOSIXTimeEx(&usage, e);
}
static AuPair<AuUInt64, AuUInt64> GetPOSIXTimePair(bool bThread)
{
struct rusage usage;
getrusage(bThread ? RUSAGE_THREAD : RUSAGE_SELF,
&usage);
return {
GetPOSIXTimeEx(&usage, EPseudoPosixClock::eKernel),
GetPOSIXTimeEx(&usage, EPseudoPosixClock::eUser)
};
}
#if !defined(CLOCK_THREAD_CPUTIME_ID)
#define CLOCK_THREAD_CPUTIME_ID 0
@ -392,4 +405,84 @@ namespace Aurora::Time
ADD_CLOCK_FAMILY(Thread, Thread, (ullUser.QuadPart + ullKernel.QuadPart), /*CLOCK_THREAD_CPUTIME_ID*/0, (true, EPseudoPosixClock::eAll));
ADD_CLOCK_FAMILY(ThreadKernel, Thread, (ullKernel.QuadPart), 0, (true, EPseudoPosixClock::eKernel));
ADD_CLOCK_FAMILY(ThreadUser, Thread, (ullUser.QuadPart), /*CLOCK_THREAD_CPUTIME_ID*/0, (true, EPseudoPosixClock::eUser));
#if defined(AURORA_IS_MODERNNT_DERIVED)
#define ADD_CLOCK_FAMILY_PAIR(type, bIsThread, exprA, exprB) \
\
static AuPair<AuUInt64, AuUInt64> type ## ClockPairNS() \
{ \
FILETIME creation, exit, kernel, user; \
if (::Get ## type ## Times(GetCurrent ## type(), &creation, &exit, &kernel, &user)) \
{ \
ULARGE_INTEGER ullUser; \
{ \
ullUser.LowPart = user.dwLowDateTime; \
ullUser.HighPart = user.dwHighDateTime; \
} \
\
ULARGE_INTEGER ullKernel; \
{ \
ullKernel.LowPart = kernel.dwLowDateTime; \
ullKernel.HighPart = kernel.dwHighDateTime; \
} \
return AuMakePair((exprA) * 100ull, (exprB) * 100ull); \
} \
return {}; \
} \
#elif defined(AURORA_IS_POSIX_DERIVED)
#define ADD_CLOCK_FAMILY_PAIR(type, bIsThread, exprA, exprB) \
\
static AuPair<AuUInt64, AuUInt64> type ## ClockPairNS() \
{ \
return GetPOSIXTimePair(bIsThread); \
} \
#else
#define ADD_CLOCK_FAMILY_PAIR(type, bIsThread, exprA, exprB) \
\
static AuPair<AuUInt64, AuUInt64> type ## ClockPairNS() \
{ \
return {}; \
} \
#endif
ADD_CLOCK_FAMILY_PAIR(Thread, true, (ullKernel.QuadPart),
(ullUser.QuadPart));
ADD_CLOCK_FAMILY_PAIR(Process, false, (ullKernel.QuadPart),
(ullUser.QuadPart));
AUKN_SYM AuPair<AuUInt64, AuUInt64> GetClockUserAndKernelTimeNS(EClock clock)
{
AuPair<AuUInt64, AuUInt64> swizzle;
switch (clock)
{
case EClock::eWall:
case EClock::eSteady:
SysPushErrorArg("Invalid clock");
return {};
case EClock::eProcessTime:
case EClock::eProcessUserTime:
case EClock::eProcessKernelTime:
swizzle = ProcessClockPairNS();
break;
case EClock::eThreadTime:
case EClock::eThreadUserTime:
case EClock::eThreadKernelTime:
swizzle = ThreadClockPairNS();
break;
default:
SysPushErrorArg("Invalid clock");
return {};
}
return { swizzle.second, swizzle.first };
}
}