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fix: use condition variables instead of busy waits in worker threads

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Resolves: NEO-16085, GSD-11678, HSD-14025819208

Signed-off-by: Igor Venevtsev <igor.venevtsev@intel.com>
This commit is contained in:
Igor Venevtsev
2025-09-23 12:24:40 +00:00
committed by Compute-Runtime-Automation
parent 49293fcac6
commit 452475a0b9
18 changed files with 218 additions and 67 deletions
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9
shared/source/direct_submission/direct_submission_controller.h
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@@ -10,6 +10,7 @@
#include "shared/source/command_stream/queue_throttle.h"
#include "shared/source/command_stream/task_count_helper.h"
#include "shared/source/helpers/device_bitfield.h"
#include "shared/source/helpers/sleep.h"
#include <array>
#include <atomic>
@@ -95,10 +96,11 @@ class DirectSubmissionController {
};
static void *controlDirectSubmissionsState(void *self);
void checkNewSubmissions();
MOCKABLE_VIRTUAL void checkNewSubmissions();
bool isDirectSubmissionIdle(CommandStreamReceiver *csr, std::unique_lock<std::recursive_mutex> &csrLock);
bool isCopyEngineOnDeviceIdle(uint32_t rootDeviceIndex, std::optional<TaskCountType> &bcsTaskCount);
MOCKABLE_VIRTUAL bool sleep(std::unique_lock<std::mutex> &lock);
MOCKABLE_VIRTUAL bool hasNoWork();
MOCKABLE_VIRTUAL SteadyClock::time_point getCpuTimestamp();
MOCKABLE_VIRTUAL void overrideDirectSubmissionTimeouts(const ProductHelper &productHelper);
@@ -107,7 +109,7 @@ class DirectSubmissionController {
void updateLastSubmittedThrottle(QueueThrottle throttle);
size_t getTimeoutParamsMapKey(QueueThrottle throttle, bool acLineStatus);
void handlePagingFenceRequests(std::unique_lock<std::mutex> &lock, bool checkForNewSubmissions);
MOCKABLE_VIRTUAL void handlePagingFenceRequests(std::unique_lock<std::mutex> &lock, bool checkForNewSubmissions);
MOCKABLE_VIRTUAL TimeoutElapsedMode timeoutElapsed();
std::chrono::microseconds getSleepValue() const { return std::chrono::microseconds(this->timeout / this->bcsTimeoutDivisor); }
@@ -131,8 +133,7 @@ class DirectSubmissionController {
bool isCsrIdleDetectionEnabled = false;
bool isCsrsContextGroupIdleDetectionEnabled = false;
std::condition_variable condVar;
std::mutex condVarMutex;
ConditionVarSyncData syncData;
std::queue<WaitForPagingFenceRequest> pagingFenceRequests;
};