Добавлена папка source в CristalDiskMark

2026-05-29 13:04:54 +07:00
commit bdc2295ee4
240 changed files with 94035 additions and 0 deletions
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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.
+
+*/
+
+#include "ThroughputMeter.h"
+
+ThroughputMeter::ThroughputMeter(void) :
+    _fRunning(false)
+{
+}
+
+bool ThroughputMeter::IsRunning(void) const
+{
+    return _fRunning;
+}
+
+void ThroughputMeter::Start(DWORD cBytesPerMillisecond, DWORD dwBlockSize, DWORD dwThinkTime, DWORD dwBurstSize)
+{
+    // Initialization
+    _cbCompleted = 0;
+    _cIO = 0; // number of completed IOs in the current burst
+    _cbBlockSize = dwBlockSize;
+
+    _fThrottle = false;
+    _cBytesPerMillisecond = 0;
+    _fThink = false;
+    _ullDelayUntil = 0;
+    _thinkTime = 0;
+    _burstSize = 0;
+    _fRunning = false;
+
+	/// GetTickCount64 -> GetTickCount
+    _ullStartTimestamp = GetTickCount();
+
+    if (0 != cBytesPerMillisecond)
+    {
+        _fThrottle = true;
+        _cBytesPerMillisecond = cBytesPerMillisecond;
+        _fRunning = true;
+    }
+    else if (0 != dwThinkTime)
+    {
+        _fThink = true;
+        _thinkTime = dwThinkTime;
+        _burstSize = dwBurstSize;
+        _fRunning = true;
+    }
+}
+
+DWORD ThroughputMeter::GetSleepTime(void) const
+{
+    if (_fThink)
+    {
+		/// GetTickCount64 -> GetTickCount
+        ULONGLONG ullTimestamp = GetTickCount();
+        if (ullTimestamp < _ullDelayUntil)
+        {
+            return (DWORD)(_ullDelayUntil - ullTimestamp);
+        }
+        else
+        {
+            return (_fThrottle) ? _GetThrottleTime() : 0;
+        }
+    }
+    else
+    {
+        if (_fThrottle) // think time has not been specified only check for throttling
+        {
+            return _GetThrottleTime();
+        }
+        else
+        {
+            return 0;
+        }
+    }
+}
+
+DWORD ThroughputMeter::_GetThrottleTime(void) const
+{
+	/// GetTickCount64 -> GetTickCount
+    ULONGLONG cbExpected = (GetTickCount() - _ullStartTimestamp) * _cBytesPerMillisecond;
+    return cbExpected >= (_cbCompleted + _cbBlockSize) ? 0 : 1;
+}
+
+void ThroughputMeter::Adjust(size_t cb)
+{
+    _cbCompleted += cb;
+    _cIO++;
+    if (_fThink)
+    {
+        if (_cIO >= _burstSize)
+        {
+            _cIO = 0;
+			/// GetTickCount64 -> GetTickCount
+            _ullDelayUntil = GetTickCount() + _thinkTime;
+        }
+    }
+}