Добавлена папка source в CristalDiskMark

2026-05-29 13:04:54 +07:00
commit bdc2295ee4
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+/*
+
+DISKSPD
+
+Copyright(c) Microsoft Corporation
+All rights reserved.
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+*/
+
+#pragma once
+#include <Windows.h>
+
+// ThroughputMeter class assists in metering out throughput over
+// time.  The meter is started by calling Start() with the throughput
+// to be simulated.  GetSleepTime() returns 0 when the next IO can be issued.
+// Adjust() is called to notify the ThroughputMeter about how many bytes were read/written.
+class ThroughputMeter
+{
+public:
+    ThroughputMeter(void);
+
+    bool IsRunning(void) const;
+    void Start(DWORD cBytesPerMillisecond, DWORD dwBlockSize, DWORD dwThinkTime, DWORD dwBurstSize);
+    DWORD GetSleepTime(void) const;
+    void Adjust(size_t cb);
+
+private:
+    DWORD _GetThrottleTime(void) const;
+
+    bool _fRunning;                 // true = throughput monitoring is on
+    bool _fThrottle;                // true = throttling is on
+    bool _fThink;                   // true = think time is enabled
+    ULONGLONG _cbCompleted;         // completed IO
+    DWORD _cbBlockSize;
+    DWORD _cBytesPerMillisecond;    // rate of throttling
+    ULONGLONG _ullStartTimestamp;
+    ULONGLONG _ullDelayUntil;       // timestamp at which the next IO can be executed
+    DWORD _thinkTime;               // time to sleep between burst of IOs
+    DWORD _burstSize;               // number of IOs in a burst. meaningless if think time is zero
+    DWORD _cIO;                     // count of IOs in the current burst
+};