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9486dba6dd
- Measure time between wait calls. If delay is exeeded use QuickKmdSleep - Kmd Notify helper functions - Refactor overriding from debug variables - Refactor Kmd Notify tests Change-Id: I123c31f492d98fd304184f99ee0bf7d733d06f04
55 lines
2.3 KiB
C++
55 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <cstdint>
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#include "runtime/helpers/kmd_notify_properties.h"
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using namespace OCLRT;
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bool KmdNotifyProperties::applyQuickKmdSleepForSporadicWait(std::chrono::high_resolution_clock::time_point &lastWaitTimestamp) const {
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if (enableQuickKmdSleepForSporadicWaits) {
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auto now = std::chrono::high_resolution_clock::now();
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auto timeDiff = std::chrono::duration_cast<std::chrono::microseconds>(now - lastWaitTimestamp).count();
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if (timeDiff > delayQuickKmdSleepForSporadicWaitsMicroseconds) {
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return true;
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}
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}
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return false;
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}
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const int64_t &KmdNotifyProperties::selectDelay(bool useQuickKmdSleep) const {
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return (useQuickKmdSleep && enableQuickKmdSleep) ? delayQuickKmdSleepMicroseconds
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: delayKmdNotifyMicroseconds;
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}
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void KmdNotifyProperties::overrideFromDebugVariable(int32_t debugVariableValue, int64_t &destination) {
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if (debugVariableValue >= 0) {
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destination = static_cast<int64_t>(debugVariableValue);
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}
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}
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void KmdNotifyProperties::overrideFromDebugVariable(int32_t debugVariableValue, bool &destination) {
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if (debugVariableValue >= 0) {
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destination = !!(debugVariableValue);
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}
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}
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