SyncPowerTuning
Demonstrates how to receive notifications of changes in power tuning using ADLX. To receive the event, another application must be used to change these settings, such as the SmartShiftMax.
Sample Path
/Samples/CPP/ReceivingEventsNotifications/SyncPowerTuning
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/IPowerTuning1.h"
#include "SDK/Include/ISystem1.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;
// Call back to handle changed events
class CallBackPowerTuningChanged : public IADLXPowerTuningChangedListener
{
public:
adlx_bool ADLX_STD_CALL OnPowerTuningChanged(IADLXPowerTuningChangedEvent* pPowerTuningChangedEvent)
{
IADLXPowerTuningChangedEvent1Ptr pPowerTuningChangedEvent1 = nullptr;
pPowerTuningChangedEvent->QueryInterface(IADLXPowerTuningChangedEvent1::IID(), reinterpret_cast<void**>(&pPowerTuningChangedEvent1));
ADLX_SYNC_ORIGIN origin = pPowerTuningChangedEvent->GetOrigin();
if (origin == SYNC_ORIGIN_EXTERNAL )
{
if (pPowerTuningChangedEvent->IsSmartShiftMaxChanged())
{
std::cout << "\\tSmartShiftMaxChanged" << std::endl;
}
else if (pPowerTuningChangedEvent1->IsSmartShiftEcoChanged())
{
std::cout << "\\tSmartShiftEcoChanged" << 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 IADLXSystem1 interface via IADLXSystem::QueryInterface
IADLXSystem1Ptr system1;
res = g_ADLXHelp.GetSystemServices()->QueryInterface(IADLXSystem1::IID(), reinterpret_cast<void**>(&system1));
if (ADLX_SUCCEEDED (res))
{
// Get power tuning service
IADLXPowerTuningServicesPtr powerTuningService;
res = system1->GetPowerTuningServices(&powerTuningService);
if (ADLX_SUCCEEDED (res))
{
// Get Change handle
IADLXPowerTuningChangedHandlingPtr changeHandle;
res = powerTuningService->GetPowerTuningChangedHandling(&changeHandle);
if (ADLX_SUCCEEDED (res))
{
// Create call back
IADLXPowerTuningChangedListener* call = new CallBackPowerTuningChanged;
// Add call back
changeHandle->AddPowerTuningEventListener(call);
// Waits for power tuning sync with a timeout of 60s
while (true)
{
std::cout << "\\nWaiting for power tuning 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->RemovePowerTuningEventListener(call);
// Delete call back
delete call;
call = nullptr;
}
else
std::cout << "Failed to get power tuning changed handling interface" << std::endl;
}
else
std::cout << "Failed to get power tuning service" << std::endl;
}
else
std::cout << "Failed to get IADLXSystem1" << 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;
}
