SyncGPUTuning
Demonstrates how to receive notifications of changes in GPU tuning using ADLX. To receive the event, another application must be used to change these settings, such as the GPUAutoTuning.
Sample Path
/Samples/CPP/ReceivingEventsNotifications/SyncGPUTuning
Code
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//
// Copyright (c) 2021 - 2025 Advanced Micro Devices, Inc. All rights reserved.
//
//-------------------------------------------------------------------------------------------------
#include "SDK/ADLXHelper/Windows/Cpp/ADLXHelper.h"
#include "SDK/Include/IGPUTuning1.h"
#include <iostream>
#include <string>
// Use ADLX namespace
using namespace adlx;
// ADLXHelper instance
// No outstanding interfaces from ADLX must exist when ADLX is destroyed.
// Use global variables to ensure validity of the interface.
static ADLXHelper g_ADLXHelp;
// Block event to verify call back
HANDLE blockEvent = nullptr;
// Get the GPU unique name
void GPUUniqueName(IADLXGPUPtr gpu, char* uniqueName);
// Call back to handle changed events
class CallBackGPUTuningChanged : public IADLXGPUTuningChangedListener
{
public:
adlx_bool ADLX_STD_CALL OnGPUTuningChanged(IADLXGPUTuningChangedEvent* pGPUTuningChangedEvent) override
{
IADLXGPUTuningChangedEvent1* pGPUTuningChangedEvent1 = nullptr;
pGPUTuningChangedEvent->QueryInterface(L"IADLXGPUTuningChangedEvent1", reinterpret_cast<void**>(&pGPUTuningChangedEvent1));
ADLX_SYNC_ORIGIN origin = pGPUTuningChangedEvent->GetOrigin();
if (origin == SYNC_ORIGIN_EXTERNAL )
{
// Get GPU
IADLXGPUPtr gpu;
pGPUTuningChangedEvent->GetGPU(&gpu);
char uniqueName[128] = "Unknown";
GPUUniqueName(gpu, uniqueName);
std::cout << "GPU: " << uniqueName << "Get sync event, update required" << std::endl;
if (pGPUTuningChangedEvent->IsAutomaticTuningChanged())
{
std::cout << "\\tAutomaticTuningChanged" << std::endl;
}
else if (pGPUTuningChangedEvent->IsPresetTuningChanged())
{
std::cout << "\\tPresetTuningChanged" << std::endl;
}
else if (pGPUTuningChangedEvent->IsManualGPUCLKTuningChanged())
{
std::cout << "\\tManualGPUCLKTuningChanged" << std::endl;
}
else if (pGPUTuningChangedEvent->IsManualVRAMTuningChanged())
{
std::cout << "\\tManualVRAMTuningChanged" << std::endl;
}
else if (pGPUTuningChangedEvent->IsManualFanTuningChanged())
{
std::cout << "\\tManualFanTuningChanged" << std::endl;
}
else if (pGPUTuningChangedEvent->IsManualPowerTuningChanged())
{
std::cout << "\\tManualPowerTuningChanged" << std::endl;
}
else if (pGPUTuningChangedEvent1->IsSmartAccessMemoryChanged())
{
std::cout << "\\tSmartAccessMemoryChanged" << std::endl;
}
}
SetEvent(blockEvent);
// Return true for ADLX to continue notifying the next listener, or false to stop notification.
return true;
}
};
int main()
{
// Define return code
ADLX_RESULT res = ADLX_FAIL ;
// Initialize ADLX
res = g_ADLXHelp.Initialize();
if (ADLX_SUCCEEDED (res))
{
// Create block event
blockEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
// Get GPUTuning service
IADLXGPUTuningServicesPtr gpuTuningSrv;
res = g_ADLXHelp.GetSystemServices()->GetGPUTuningServices(&gpuTuningSrv);
if (ADLX_SUCCEEDED (res))
{
// Get Change handle
IADLXGPUTuningChangedHandlingPtr changeHandle;
res = gpuTuningSrv->GetGPUTuningChangedHandling(&changeHandle);
if (ADLX_SUCCEEDED (res))
{
// Create call back
IADLXGPUTuningChangedListener* call = new CallBackGPUTuningChanged;
// Add call back
changeHandle->AddGPUTuningEventListener(call);
// Waits for GPUTuning sync with a timeout of 60s
while (true)
{
std::cout << "\\nWaiting for GPUTuning change event (60s)...\\n";
DWORD waitRet = WaitForSingleObject(blockEvent, 60000);
if (waitRet == WAIT_TIMEOUT)
{
std::cout << "=== Wait timeout(60s), ready to quit ===\\n";
break;
}
ResetEvent(blockEvent);
}
// Remove call back
changeHandle->RemoveGPUTuningEventListener(call);
// Delete call back
delete call;
call = nullptr;
}
}
else
{
std::cout << "Failed to get GPUTuning Services" << std::endl;
}
}
else
{
std::cout << "Failed to init ADLX" << std::endl;
return 0;
}
// Destroy ADLX
res = g_ADLXHelp.Terminate();
std::cout << "Destroy ADLX res: " << res << std::endl;
// Close event
if (blockEvent)
CloseHandle(blockEvent);
// Pause for user see the print out
system("pause");
return 0;
}
void GPUUniqueName(IADLXGPUPtr gpu, char* uniqueName)
{
if (nullptr != gpu && nullptr != uniqueName)
{
const char* gpuName = nullptr;
gpu->Name(&gpuName);
adlx_int id;
gpu->UniqueId(&id);
sprintf_s(uniqueName, 128, "name:%s, id:%d", gpuName, id);
}
}
