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2b964254d6
ULLS controller timeout settings will be adjusted based on ac line status and lowest queue throttle from submissions. Lowest queue throttle is reset when controller stops ULLS. Related-To: NEO-10800 Signed-off-by: Dominik Dabek <dominik.dabek@intel.com>
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
/*
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* Copyright (C) 2018-2024 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include "shared/source/command_stream/task_count_helper.h"
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#include "shared/source/command_stream/wait_status.h"
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#include <atomic>
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#include <cstdint>
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namespace NEO {
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enum QueueThrottle : uint32_t;
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using FlushStamp = uint64_t;
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struct KmdNotifyProperties {
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int64_t delayKmdNotifyMicroseconds;
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int64_t delayQuickKmdSleepMicroseconds;
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int64_t delayQuickKmdSleepForSporadicWaitsMicroseconds;
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int64_t delayQuickKmdSleepForDirectSubmissionMicroseconds;
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// Main switch for KMD Notify optimization - if its disabled, all below are disabled too
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bool enableKmdNotify;
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// Use smaller delay in specific situations (ie. from AsyncEventsHandler)
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bool enableQuickKmdSleep;
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// If waits are called sporadically use QuickKmdSleep mode, otherwise use standard delay
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bool enableQuickKmdSleepForSporadicWaits;
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// If direct submission is enabled, use direct submission delay, otherwise use standard delay
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bool enableQuickKmdSleepForDirectSubmission;
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};
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namespace KmdNotifyConstants {
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inline constexpr int64_t timeoutInMicrosecondsForDisconnectedAcLine = 10000;
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inline constexpr uint32_t minimumTaskCountDiffToCheckAcLine = 10;
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} // namespace KmdNotifyConstants
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class KmdNotifyHelper {
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public:
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KmdNotifyHelper() = delete;
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KmdNotifyHelper(const KmdNotifyProperties *properties) : properties(properties){};
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MOCKABLE_VIRTUAL ~KmdNotifyHelper() = default;
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WaitParams obtainTimeoutParams(bool quickKmdSleepRequest,
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TagAddressType currentHwTag,
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TaskCountType taskCountToWait,
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FlushStamp flushStampToWait,
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QueueThrottle throttle,
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bool kmdWaitModeActive,
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bool directSubmissionEnabled);
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bool quickKmdSleepForSporadicWaitsEnabled() const { return properties->enableQuickKmdSleepForSporadicWaits; }
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MOCKABLE_VIRTUAL void updateLastWaitForCompletionTimestamp();
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MOCKABLE_VIRTUAL void updateAcLineStatus();
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bool getAcLineConnected() const { return acLineConnected.load(); }
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static void overrideFromDebugVariable(int32_t debugVariableValue, int64_t &destination);
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static void overrideFromDebugVariable(int32_t debugVariableValue, bool &destination);
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protected:
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bool applyQuickKmdSleepForSporadicWait() const;
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int64_t getMicrosecondsSinceEpoch() const;
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const KmdNotifyProperties *properties = nullptr;
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std::atomic<int64_t> lastWaitForCompletionTimestampUs{0};
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std::atomic<bool> acLineConnected{true};
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};
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} // namespace NEO
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