1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32test\misc\d_kerncorestas.cpp

    15 // 

    16 //

    17 

    18 #include "d_TestKernCoreStats.h"

    19 

    20 #include <kernel/kernel.h>

    21 #include <kernel/kerncorestats.h>

    22 

    23 

    24 class DTestKernCoreStatsFactory : public DLogicalDevice

    25         {

    26 public:

    27         DTestKernCoreStatsFactory();

    28         ~DTestKernCoreStatsFactory();

    29         virtual TInt Install();

    30         virtual void GetCaps(TDes8& aDes) const;

    31         virtual TInt Create(DLogicalChannelBase*& aChannel);

    32         };

    33 

    34 class DTestKernCoreStatsChannel : public DLogicalChannelBase

    35         {

    36 public:

    37         DTestKernCoreStatsChannel();

    38         virtual ~DTestKernCoreStatsChannel();

    39         TInt Request(TInt aFunction, TAny* a1, TAny* a2);

    40         virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion&

    41 aVer);

    42 private:

    43 	TInt GetStats(TAny* aBuffer);

    44 	TInt Configure(TInt aMode);

    45 	TInt DumpInfo();

    46 private:

    47 	TInt iLength;

    48         };

    49 

    50 

    51 DECLARE_STANDARD_LDD()

    52         {

    53         return new DTestKernCoreStatsFactory;

    54         }

    55 

    56 DTestKernCoreStatsFactory::DTestKernCoreStatsFactory()

    57         {

    58         }

    59 

    60 DTestKernCoreStatsFactory::~DTestKernCoreStatsFactory()

    61         {

    62         }

    63 

    64 TInt DTestKernCoreStatsFactory::Install()

    65         {

    66         return SetName(&KTestKernCoreStatsName);

    67         }

    68 

    69 

    70 void DTestKernCoreStatsFactory::GetCaps(TDes8&) const

    71         {

    72         }

    73 

    74 

    75 TInt DTestKernCoreStatsFactory::Create(DLogicalChannelBase*& aChannel)

    76         {

    77         aChannel=new DTestKernCoreStatsChannel();

    78         if(!aChannel)

    79                 return KErrNoMemory;

    80 

    81         return KErrNone;

    82         }

    83 

    84 DTestKernCoreStatsChannel::DTestKernCoreStatsChannel()

    85 	{

    86 	}

    87 

    88 

    89 DTestKernCoreStatsChannel::~DTestKernCoreStatsChannel()

    90 	{

    91 	}

    92 

    93 TInt DTestKernCoreStatsChannel::DoCreate(TInt, const TDesC8*, const TVersion&)

    94         {

    95         return KErrNone;

    96         }

    97 

    98 TInt DTestKernCoreStatsChannel::Request(TInt aFunction, TAny* a1, TAny*)

    99         {

   100         switch (aFunction)

   101                 {

   102                 case RTestKernCoreStats::ERequestGetStats:

   103                         return GetStats( (TAny*) a1);

   104                 case RTestKernCoreStats::ERequestConfigure:

   105                         return Configure( (TInt) a1);

   106                 case RTestKernCoreStats::ERequestDumpInfo:

   107                         return DumpInfo();

   108                 default:

   109                         return KErrNotSupported;

   110                 }

   111         }

   112 

   113 

   114 TInt DTestKernCoreStatsChannel::GetStats(TAny* aBuffer)

   115 	{

   116 	NKern::ThreadEnterCS();

   117 	

   118 	if (iLength==0)

   119 		return KErrNone;

   120 	

   121 	TAny* tempBuff = Kern::Alloc(iLength);

   122 	if (!tempBuff)

   123 		{

   124 		NKern::ThreadLeaveCS();

   125 		return KErrNoMemory;

   126 		}

   127 

   128 	TInt r = KernCoreStats::Stats(tempBuff);

   129 

   130 

   131 	if (r==KErrNone)

   132 		kumemput(aBuffer, tempBuff, iLength);

   133 

   134 	Kern::Free(tempBuff);

   135 	NKern::ThreadLeaveCS();

   136 

   137 	return r;

   138 	}

   139 

   140 TInt DTestKernCoreStatsChannel::Configure(TInt aMode)

   141 	{

   142 

   143 	NKern::ThreadEnterCS();

   144 	TInt cores = NKern::NumberOfCpus();

   145 

   146 	TInt len = 0;

   147 	len+= (aMode & KStatsCoreTotalTimeInIdle)?		sizeof(TUint)*cores :0;

   148 	len+= (aMode & KStatsTimeCrossIdleAndActive)?		sizeof(TUint)*(cores+1) :0;

   149 	len+= (aMode & KStatsCoreNumTimesInIdle)?		sizeof(TUint)*cores :0;

   150 	len+= (aMode & KStatsNumEvents)?			sizeof(TUint) :0;

   151 	len+= (aMode & KStatsReadyStateChanges)?		sizeof(TUint)*2:0;

   152 	len+= (aMode & KStatsNumTimeSliceExpire)?		sizeof(TUint):0;

   153 

   154 	iLength=len;

   155 	Kern::Printf("KernCoreStats packet length = %d", len);

   156 	TInt r =  KernCoreStats::Configure(aMode);

   157 	NKern::ThreadLeaveCS();

   158 	return r;

   159 	}

   160 

   161 

   162 TInt DTestKernCoreStatsChannel::DumpInfo()

   163 	{

   164 

   165 	//KernCoreStats::Engage(0);

   166 

   167 	return iLength;

   168 	}