author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 22:58:54 +0200 | |
branch | RCL_3 |
changeset 4 | 0fdb7f6b0309 |
child 58 | 0818dd463d41 |
permissions | -rw-r--r-- |
4
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/* |
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Main classes for Out of Memory Monitor. |
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* |
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*/ |
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|
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|
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#include <hal.h> |
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|
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#include <UikonInternalPSKeys.h> |
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|
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#include "oommemorymonitor.h" |
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#include "oommonitorplugin.h" |
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#include "oomsubscribehelper.h" |
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#include "oomconfig.h" |
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#include "oommemorymonitorserver.h" |
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#include "oomconfigparser.h" |
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#include "oomactionlist.h" |
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#include "oomlog.h" |
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#include "OomTraces.h" |
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#include "oomoutofmemorywatcher.h" |
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#include "oomwserveventreceiver.h" |
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#include "oomconstants.hrh" |
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#include "oomrunpluginconfig.h" |
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#include "oomapplicationconfig.h" |
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#include "oomclientrequestqueue.h" |
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|
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#ifndef CLIENT_REQUEST_QUEUE |
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const TInt KOomWatchDogStatusIdle = -1; |
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#endif |
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|
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// ====================================================================== |
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// class CMemoryMonitor |
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// ====================================================================== |
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// --------------------------------------------------------- |
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// |
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// --------------------------------------------------------- |
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// |
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CMemoryMonitor* CMemoryMonitor::NewL() |
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{ // static |
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FUNC_LOG; |
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|
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CMemoryMonitor* self = new(ELeave) CMemoryMonitor(); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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|
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CMemoryMonitor::CMemoryMonitor() |
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{ |
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FUNC_LOG; |
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|
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SetMemoryMonitorTls(this); |
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} |
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|
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// --------------------------------------------------------- |
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// |
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// --------------------------------------------------------- |
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// |
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CMemoryMonitor::~CMemoryMonitor() |
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{ |
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FUNC_LOG; |
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#ifndef CLIENT_REQUEST_QUEUE |
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if (iWatchdogStatusSubscriber) |
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{ |
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iWatchdogStatusSubscriber->StopSubscribe(); |
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} |
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iWatchdogStatusProperty.Close(); |
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delete iWatchdogStatusSubscriber; |
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#endif |
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delete iServer; |
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delete iWservEventReceiver; |
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delete iOOMWatcher; |
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iFs.Close(); |
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iWs.Close(); |
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delete iOomWindowGroupList; |
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delete iOomActionList; |
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delete iConfig; |
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#ifdef CLIENT_REQUEST_QUEUE |
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delete iQueue; |
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#endif |
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#ifdef _DEBUG |
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delete iLogger; |
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#endif |
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} |
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// --------------------------------------------------------- |
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// |
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// --------------------------------------------------------- |
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// |
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void CMemoryMonitor::ConstructL() |
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{ |
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FUNC_LOG; |
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User::LeaveIfError(iWs.Connect()); |
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iOomWindowGroupList = COomWindowGroupList::NewL(iWs); |
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iConfig = COomConfig::NewL(); |
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#ifdef CLIENT_REQUEST_QUEUE |
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iQueue = COomClientRequestQueue::NewL(*this); |
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|
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iServer = CMemoryMonitorServer::NewL(*iQueue); |
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#else |
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iServer = CMemoryMonitorServer::NewL(*this); |
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#endif |
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|
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// Load up threshold & OOM app lists from resource. |
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User::LeaveIfError(iFs.Connect()); |
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|
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COomConfigParser* oomConfigParser = new (ELeave) COomConfigParser(*iConfig, iFs); |
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CleanupStack::PushL(oomConfigParser); |
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oomConfigParser->ParseL(); |
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CleanupStack::PopAndDestroy(oomConfigParser); |
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|
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iOomActionList = COomActionList::NewL(*this, *iServer, iWs, *iConfig); |
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135 |
|
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#ifdef _DEBUG |
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iLogger = COomLogger::NewL(iWs, iFs); |
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#endif |
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139 |
|
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// Get the thresholds based on the current foreground app and the config |
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RefreshThresholds(); |
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|
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_LIT_SECURITY_POLICY_S0(KOomMemoryMonitorPolicyWrite, KOomMemoryMonitorStatusPropertyCategory.iUid); |
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_LIT_SECURITY_POLICY_PASS(KOomMemoryMonitorPolicyRead); |
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|
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// Define MemoryMonitorStatusProperty. set to "above treshhold". |
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TInt err = RProperty::Define(KOomMemoryMonitorStatusPropertyCategory, KOomMemoryMonitorStatusPropertyKey, RProperty::EInt, KOomMemoryMonitorPolicyRead, KOomMemoryMonitorPolicyWrite); |
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TRACES1("CMemoryMonitor::ConstructL: KOomMemoryMonitorStatusProperty: Define err = %d", err); |
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|
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err = RProperty::Set(KOomMemoryMonitorStatusPropertyCategory, KOomMemoryMonitorStatusPropertyKey, EAboveTreshHold); |
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TRACES1("CMemoryMonitor::ConstructL: KOomMemoryMonitorStatusProperty: Set err = %d", err); |
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|
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#ifndef CLIENT_REQUEST_QUEUE |
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err = iWatchdogStatusProperty.Attach(KPSUidUikon, KUikOOMWatchdogStatus); |
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|
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TRACES1("CMemoryMonitor::ConstructL: KUikOOMWatchdogStatus err = %d", err); |
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|
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err = iWatchdogStatusProperty.Set(KOomWatchDogStatusIdle); |
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|
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iWatchdogStatusSubscriber = new (ELeave) CSubscribeHelper(TCallBack(WatchdogStatusStatusChanged, this), iWatchdogStatusProperty); |
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iWatchdogStatusSubscriber->Subscribe(); |
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#endif |
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|
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|
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iOOMWatcher = COutOfMemoryWatcher::NewL(*this, iLowThreshold, iGoodThreshold); |
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iOOMWatcher->Start(); |
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|
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iWservEventReceiver = new(ELeave) CWservEventReceiver(*this, iWs); |
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iWservEventReceiver->ConstructL(); |
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} |
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|
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const COomGlobalConfig& CMemoryMonitor::GlobalConfig() |
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{ |
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CMemoryMonitor* globalMemoryMonitor = static_cast<CMemoryMonitor*>(Dll::Tls()); |
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return globalMemoryMonitor->iConfig->GlobalConfig(); |
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} |
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|
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|
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// --------------------------------------------------------- |
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// |
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// --------------------------------------------------------- |
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// |
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void CMemoryMonitor::FreeMemThresholdCrossedL() |
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{ |
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FUNC_LOG; |
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|
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iActionTrigger = ERamRotation; |
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StartFreeSomeRamL(iGoodThreshold); |
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} |
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|
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void CMemoryMonitor::HandleFocusedWgChangeL() |
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{ |
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FUNC_LOG; |
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TInt oldGoodThreshold = iGoodThreshold; |
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TInt oldLowThreshold = iLowThreshold; |
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|
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// Refresh the low and good memory thresholds as they may have changed due to the new foreground application |
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RefreshThresholds(); |
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|
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if ((oldGoodThreshold != iGoodThreshold) |
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|| (oldLowThreshold != iLowThreshold)) |
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// If the thresholds have changed then update the memory watched |
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{ |
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iOOMWatcher->UpdateThresholds(iLowThreshold, iGoodThreshold); |
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} |
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// If the available memory is less than the low memory threshold then free some RAM |
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User::CompressAllHeaps(); |
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TInt current = 0; |
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HAL::Get( HALData::EMemoryRAMFree, current ); |
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if (current < iLowThreshold) |
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{ |
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iActionTrigger = ERamRotation; |
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StartFreeSomeRamL(iGoodThreshold); |
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} |
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} |
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void CMemoryMonitor::StartFreeSomeRamL(TInt aTargetFree) |
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{ |
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StartFreeSomeRamL(aTargetFree, KOomPriorityInfinate - 1); |
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} |
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void CMemoryMonitor::StartFreeSomeRamL(TInt aTargetFree, TInt aMaxPriority) // The maximum priority of action to run |
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{ |
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FUNC_LOG; |
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TRACES2("MemoryMonitor::StartFreeSomeRamL: aTargetFree = %d, iCurrentTarget = %d", aTargetFree, iCurrentTarget); |
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// Update the target if new target is higher. If the target is lower than the current target and memory |
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// is currently being freed then we do not want to reduce the amount of memory this operation frees. |
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if (aTargetFree > iCurrentTarget) |
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iCurrentTarget = aTargetFree; |
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|
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// check if there is enough free memory already. |
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TInt freeMemory; |
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GetFreeMemory(freeMemory); |
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TRACES1("MemoryMonitor::StartFreeSomeRamL, freeMemory = %d", freeMemory); |
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if (freeMemory >= iCurrentTarget) |
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{ |
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if (iLastMemoryMonitorStatusProperty != EFreeingMemory) |
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{ |
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ResetTargets(); |
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iOomActionList->SwitchOffPlugins(); |
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SetMemoryMonitorStatusProperty(EAboveTreshHold); |
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#ifdef CLIENT_REQUEST_QUEUE |
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iQueue->ActionsCompleted(freeMemory, ETrue); |
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#else |
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iServer->CloseAppsFinished(freeMemory, ETrue); |
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#endif |
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} |
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return; |
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} |
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|
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#ifdef _DEBUG |
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iLogger->StartL(); |
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#endif |
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|
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// Build the list of memory freeing actions |
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iOomActionList->BuildActionListL(*iOomWindowGroupList, *iConfig); |
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|
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iOomActionList->SetCurrentTarget(iCurrentTarget); |
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|
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// Run the memory freeing actions |
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iOomActionList->FreeMemory(aMaxPriority); |
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} |
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|
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void CMemoryMonitor::RequestFreeMemoryPandSL(TInt aBytesRequested) |
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{ |
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FUNC_LOG; |
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|
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iActionTrigger = EPublishAndSubscribe; |
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StartFreeSomeRamL(aBytesRequested + iLowThreshold); |
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} |
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|
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void CMemoryMonitor::RequestFreeMemoryL(TInt aBytesRequested) |
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{ |
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FUNC_LOG; |
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|
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iActionTrigger = EClientServerRequestFreeMemory; |
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StartFreeSomeRamL(aBytesRequested + iLowThreshold); |
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} |
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|
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void CMemoryMonitor::FreeOptionalRamL(TInt aBytesRequested, TInt aPluginId) // The ID of the plugin that will clear up the allocation, used to determine the priority of the allocation |
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{ |
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FUNC_LOG; |
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|
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iActionTrigger = EClientServerRequestOptionalRam; |
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|
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// Calculate the priority of the allocation (the priority of the plugin that will clear it up - 1) |
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TInt priorityOfAllocation = iConfig->GetPluginConfig(aPluginId).CalculatePluginPriority(*iOomWindowGroupList) - 1; |
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|
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StartFreeSomeRamL(aBytesRequested + iGoodThreshold, priorityOfAllocation); |
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} |
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|
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void CMemoryMonitor::GetFreeMemory(TInt& aCurrentFreeMemory) |
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{ |
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FUNC_LOG; |
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|
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// may cause some extra load but allows more precise action |
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User::CompressAllHeaps(); |
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|
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HAL::Get( HALData::EMemoryRAMFree, aCurrentFreeMemory ); |
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|
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TRACES1("CMemoryMonitor::GetFreeMemory: Free RAM now %d", aCurrentFreeMemory); |
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} |
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#ifndef CLIENT_REQUEST_QUEUE |
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TInt CMemoryMonitor::WatchdogStatusStatusChanged(TAny* aPtr) |
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{ |
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FUNC_LOG; |
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|
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CMemoryMonitor* self = STATIC_CAST(CMemoryMonitor*,aPtr); |
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if (self) |
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self->HandleWatchdogStatusCallBack(); |
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return KErrNone; |
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} |
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|
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// --------------------------------------------------------- |
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// |
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// --------------------------------------------------------- |
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// |
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void CMemoryMonitor::HandleWatchdogStatusCallBack() |
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{ |
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FUNC_LOG; |
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|
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// Someone has set the key to request some free memory. |
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TInt memoryRequested = 0; |
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iWatchdogStatusProperty.Get(memoryRequested); |
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|
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// Try to free the RAM. |
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if (memoryRequested >= 1) |
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{ |
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iOOMWatcher->Cancel(); // Pause memory notifys. |
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TRAP_IGNORE(RequestFreeMemoryPandSL(memoryRequested + iLowThreshold)); // This call could take a few seconds to do its stuff. |
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iOOMWatcher->Start(); // Restarts memory monitoring. |
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} |
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// Set the key back to KOomWatchDogStatusIdle to indicate we're done. |
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iWatchdogStatusProperty.Set(KOomWatchDogStatusIdle); |
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} |
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#endif //CLIENT_REQUEST_QUEUE |
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|
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void CMemoryMonitor::AppNotExiting(TInt aWgId) |
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{ |
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FUNC_LOG; |
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|
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iOomActionList->AppNotExiting(aWgId); |
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} |
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|
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|
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void CMemoryMonitor::RefreshThresholds() |
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{ |
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FUNC_LOG; |
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|
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iOomWindowGroupList->Refresh(); |
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|
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// Calculate the desired good threshold, this could be the globally configured value... |
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iGoodThreshold = CMemoryMonitor::GlobalConfig().iGoodRamThreshold; |
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iLowThreshold = CMemoryMonitor::GlobalConfig().iLowRamThreshold; |
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TRACES2("CMemoryMonitor::RefreshThresholds: Global Good Threshold = %d, Global Low Threshold = %d", iGoodThreshold, iLowThreshold); |
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|
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#ifdef _DEBUG |
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TRACES("CMemoryMonitor::RefreshThresholds: Dumping Window Group List"); |
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TInt wgIndex = iOomWindowGroupList->Count() - 1; |
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while (wgIndex >= 0) |
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{ |
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TInt32 appId = iOomWindowGroupList->AppId(wgIndex, ETrue); |
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TInt wgId = iOomWindowGroupList->WgId(wgIndex).iId; |
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TInt parentId = iOomWindowGroupList->WgId(wgIndex).iId; |
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TRACES4("CMemoryMonitor::RefreshThresholds: wgIndex=%d, oom uid=%x, wgId(child)=%d, parentId=%d", wgIndex, appId, wgId, parentId); |
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wgIndex--; |
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} |
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#endif |
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|
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// The global value can be overridden by an app specific value |
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// Find the application config entry for the foreground application |
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if (iOomWindowGroupList->Count()) |
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{ |
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TUint foregroundAppId = iOomWindowGroupList->AppId(0, ETrue); |
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TUid foregroundAppUid = TUid::Uid(foregroundAppId); |
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|
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if ( (foregroundAppUid == KUidPenInputServer || foregroundAppUid == KUidFastSwap) && |
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iOomWindowGroupList->Count() > 1 ) |
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{ |
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// pen input server puts itself to the foreground when the web browser is active |
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// fast swap should not reset the thresholds for the app behind it |
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foregroundAppId = iOomWindowGroupList->AppId(1, ETrue); |
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} |
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392 |
|
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// If this application configuration overrides the good_ram_threshold then set it |
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if (iConfig->GetApplicationConfig(foregroundAppId).iGoodRamThreshold != KOomThresholdUnset) |
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{ |
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iGoodThreshold = iConfig->GetApplicationConfig(foregroundAppId).iGoodRamThreshold; |
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TRACES2("CMemoryMonitor::RefreshThresholds: For foreground app %x, Good Threshold = %d", foregroundAppId, iGoodThreshold); |
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} |
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// If this application configuration overrides the low_ram_threshold then set it |
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if (iConfig->GetApplicationConfig(foregroundAppId).iLowRamThreshold != KOomThresholdUnset) |
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401 |
{ |
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iLowThreshold = iConfig->GetApplicationConfig(foregroundAppId).iLowRamThreshold; |
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TRACES2("CMemoryMonitor::RefreshThresholds: For foreground app %x, Low Threshold = %d", foregroundAppId, iLowThreshold); |
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404 |
} |
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405 |
|
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} |
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} |
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408 |
|
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// SetMemoryMonitorStatusProperty - updates the property value only if it has changed |
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void CMemoryMonitor::SetMemoryMonitorStatusProperty(const TMemoryMonitorStatusPropertyValues aValue) |
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{ |
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if (iLastMemoryMonitorStatusProperty != aValue) |
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{ |
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TInt err = RProperty::Set(KOomMemoryMonitorStatusPropertyCategory, KOomMemoryMonitorStatusPropertyKey, aValue); |
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TRACES1("CMemoryMonitor::SetMemoryMonitorStatusProperty: err = %d", err); |
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iLastMemoryMonitorStatusProperty = aValue; |
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} |
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} |
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|
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void CMemoryMonitor::ResetTargets() |
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{ |
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FUNC_LOG; |
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|
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//we reset the target when a memory free operation completes, to deal with the case |
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//where the operation was initiated with a target larger than the current good threshold |
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iCurrentTarget = iGoodThreshold; |
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iOomActionList->SetCurrentTarget(iCurrentTarget); |
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} |
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|
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void CMemoryMonitor::SetPriorityBusy(TInt aWgId) |
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{ |
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FUNC_LOG; |
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|
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iOomWindowGroupList->SetPriorityBusy(aWgId); |
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} |
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|
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void CMemoryMonitor::SetPriorityNormal(TInt aWgId) |
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{ |
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FUNC_LOG; |
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|
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iOomWindowGroupList->SetPriorityNormal(aWgId); |
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} |
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|
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void CMemoryMonitor::SetPriorityHigh(TInt aWgId) |
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{ |
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iOomWindowGroupList->SetPriorityHigh(aWgId); |
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} |
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|
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TActionTriggerType CMemoryMonitor::ActionTrigger() const |
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{ |
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return iActionTrigger; |
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} |
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|
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#ifdef CLIENT_REQUEST_QUEUE |
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TInt CMemoryMonitor::GoodThreshold() const |
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{ |
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return iGoodThreshold; |
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} |
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TInt CMemoryMonitor::LowThreshold() const |
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{ |
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return iLowThreshold; |
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} |
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|
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void CMemoryMonitor::ActionsCompleted(TInt aBytesFree, TBool aMemoryGood) |
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{ |
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iQueue->ActionsCompleted(aBytesFree, aMemoryGood); |
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} |
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#endif //CLIENT_REQUEST_QUEUE |