KeQueryPerformanceCounter 関数 (wdm.h) - Windows drivers
WebKeQueryPerformanceCounter は、高解像度の単調非宣言カウンターの現在の値を表す 64 ビットの整数を返します。 パフォーマンス カウンターの頻度を取得するには、 PerformanceFrequency パラメーターに NULL 以外のポインター値を指定します。
KeQueryPerformanceCounter function (ntifs.h) - Windows drivers
WebJul 6, 2023 · KeQueryPerformanceCounter returns a 64-bit integer that represents the current value of a high-resolution monotonically nondecreasing counter. To obtain the frequency of the performance counter, specify a non- NULL pointer value for the PerformanceFrequency parameter.
QueryPerformanceCounter 関数 - Win32 apps | Microsoft Learn
WebMar 5, 2024 · パフォーマンス カウンターの現在の値を取得します。. これは、時間間隔の測定に使用できる高解像度 (<1us) のタイム スタンプです。.
高分解能パフォーマンスカウンタを使用した処理時間の測定 - alato
Web高分解能パフォーマンスカウンタを使用した処理時間の測定. パフォーマンスチェック時に高精度なタイマーを使用したい場合があります。. Windowsには、QueryPerformanceCounter関数と言う高精度（=高分解）なパフォーマンスカウンタAPIを持っています。. コレを ...
c++ - How to use QueryPerformanceCounter? - Stack Overflow
WebLONG_INTEGER data, frequency; LONGLONG diff; data = KeQueryPerformanceCounter((LARGE_INTEGER *)&frequency) diff = data.QuadPart / (Frequency.QuadPart/$divisor) where divisor is 10^3, or 10^6 depending on required
Stack Overflow - windows - QueryPerformanceCounter () vs ...
WebJul 26, 2016 · I am writing a fast and fairly accurate game timer for use on Windows. Microsoft recommends using QueryPerformanceCounter() for high-resolution timing, and it works as expected, but I am looking for
KeQueryPerformanceCounter function (ntifs.h) - GitHub
WebKeQueryPerformanceCounter returns a 64-bit integer that represents the current value of a high-resolution monotonically nondecreasing counter. \n To obtain the frequency of the performance counter, specify a non- NULL pointer value …
QueryPerformance counter and Queryperformance frequency ...
WebNov 11, 2013 · The thing is, Windows is a pre-emptive multi-tasking operating system. What the hell does that mean, you ask? 'Simple' - windows allocates time-slices to each of the running processes in the system. This gives the illusion of dozens or hundreds of processes running in parallel. ...
nf-wdm-kequeryperformancecounter.md - GitHub
WebQueryPerformanceCounter. QueryPerformanceFrequency. The official Windows Driver Kit DDI reference documentation sources - windows-driver-docs-ddi/wdk-ddi-src/content/wdm/nf-wdm-kequeryperformancecounter.md at staging · MicrosoftDocs/windows-driver-docs-ddi.
KeQueryPerformanceCounter 函式 (ntifs.h) - Windows drivers
WebFeb 29, 2024 · KeQueryPerformanceCounter 例程會擷取性能計數器目前的值和頻率。 使用 KeQueryPerformanceCounter 來取得時間間隔測量的高解析度 (<1) 時間戳。 語法 NTHALAPI LARGE_INTEGER KeQueryPerformanceCounter( [out 參數
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