os/kernelhwsrv/kerneltest/e32test/bench/d_prof.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 // Copyright (c) 1997-2009 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 the License "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\bench\d_prof.cpp
    15 // LDD for thread time profiling
    16 // 
    17 //
    18 
    19 
    20 #ifndef __WINS__
    21 #include "platform.h"
    22 #else
    23 #include <kernel/kernel.h>
    24 #endif
    25 #include "d_prof.h"
    26 
    27 const TInt KMajorVersionNumber=0;
    28 const TInt KMinorVersionNumber=1;
    29 const TInt KBuildVersionNumber=1;
    30 
    31 class DProfile;
    32 
    33 class DProfileFactory : public DLogicalDevice
    34 //
    35 // Profile LDD factory
    36 //
    37 	{
    38 public:
    39 	DProfileFactory();
    40 	virtual TInt Install();						//overriding pure virtual
    41 	virtual void GetCaps(TDes8& aDes) const;	//overriding pure virtual
    42 	virtual DLogicalChannel* CreateL();			//overriding pure virtual
    43 	};
    44 
    45 class DProfile : public DLogicalChannel
    46 //
    47 // Profile logical channel
    48 //
    49 	{
    50 public:
    51 	DProfile(DLogicalDevice* aLogicalDevice);
    52 	~DProfile();
    53 protected:
    54 	virtual void DoCancel(TInt aReqNo);						//overriding pure virtual
    55 	virtual void DoRequest(TInt aReqNo,TAny* a1,TAny* a2);	//overriding pure virtual
    56 	virtual void DoCreateL(TInt aUnit,CBase* aPdd,const TDesC* anInfo,const TVersion& aVer);
    57 	virtual TInt DoControl(TInt aFunction,TAny *a1,TAny *a2);
    58 	};
    59 
    60 DECLARE_STANDARD_LDD()
    61 	{
    62     return new DProfileFactory;
    63     }
    64 
    65 DProfileFactory::DProfileFactory()
    66 //
    67 // Constructor
    68 //
    69     {
    70     iVersion=TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);
    71     //iParseMask=0;//No units, no info, no PDD
    72     //iUnitsMask=0;//Only one thing
    73     }
    74 
    75 DLogicalChannel* DProfileFactory::CreateL()
    76 //
    77 // Create a new DProfile on this logical device
    78 //
    79     {
    80     return(new(ELeave) DProfile(this));
    81     }
    82 
    83 TInt DProfileFactory::Install()
    84 //
    85 // Install the LDD - overriding pure virtual
    86 //
    87     {
    88     TPtrC name=_L("Profile");
    89     return(SetName(&name));
    90     }
    91 
    92 void DProfileFactory::GetCaps(TDes8& aDes) const
    93 //
    94 // Get capabilities - overriding pure virtual
    95 //
    96     {
    97     TCapsProfileV01 b;
    98     b.iVersion=TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);
    99     Kern::InfoCopy(aDes,(TUint8*)&b,sizeof(b));
   100     }
   101 
   102 DProfile::DProfile(DLogicalDevice* aLogicalDevice)
   103 //
   104 // Constructor
   105 //
   106     : DLogicalChannel(aLogicalDevice)
   107     {
   108     }
   109 
   110 void DProfile::DoCreateL(TInt /*aUnit*/,CBase* /*aPdd*/,const TDesC* /*anInfo*/,const TVersion& aVer)
   111 //
   112 // Create channel
   113 //
   114     {
   115 
   116     if (!User::QueryVersionSupported(TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber),aVer))
   117     	User::Leave(KErrNotSupported);
   118 	}
   119 
   120 DProfile::~DProfile()
   121 //
   122 // Destructor
   123 //
   124     {
   125     }
   126 
   127 void DProfile::DoCancel(TInt /*aReqNo*/)
   128 //
   129 // Cancel an outstanding request - overriding pure virtual
   130 //
   131     {
   132 	// not used
   133 	}
   134 
   135 void DProfile::DoRequest(TInt /*aReqNo*/, TAny* /*a1*/, TAny* /*a2*/)
   136 //
   137 // Asynchronous requests - overriding pure virtual
   138 //
   139     {
   140 	// not used
   141     }
   142 
   143 LOCAL_C void Reset()
   144 	{
   145 	CObjectCon& threads=*Kern::Threads();
   146 	TInt i;
   147 	TInt c=threads.Count();
   148 	for (i=0; i<c; i++)
   149 		{
   150 		DPlatThread *pT=(DPlatThread*)threads[i];
   151 		pT->iTotalCpuTime=0;
   152 		pT->iMaxContinuousCpuTime=0;
   153 		pT->iLastYieldTotal=0;
   154 		pT->iMaxTimeBeforeYield=0;
   155 		}
   156 	}
   157 
   158 LOCAL_C TInt Read(TInt aHandle, TProfileData& aData)
   159 	{
   160 	DPlatThread *pT=(DPlatThread*)Kern::ThreadFromHandle(aHandle);
   161 	if (!pT)
   162 		return KErrArgument;
   163 	aData.iTotalCpuTime=(pT->iTotalCpuTime * 125)>>6;
   164 	aData.iMaxContinuousCpuTime=(pT->iMaxContinuousCpuTime * 125)>>6;
   165 	aData.iMaxTimeBeforeYield=(pT->iMaxTimeBeforeYield * 125)>>6;
   166 	return KErrNone;
   167 	}
   168 
   169 #if defined(__MARM__)
   170 TInt DProfile::DoControl(TInt aFunction, TAny* a1, TAny* a2)
   171 	{
   172 	TInt r=KErrNone;
   173 	switch (aFunction)
   174 		{
   175 		case RProfile::EControlResetProfile:
   176 			Reset();
   177 			break;
   178 		case RProfile::EControlReadProfile:
   179 			r=Read(TInt(a1),*(TProfileData*)a2);
   180 			break;
   181 		default:
   182 			r=KErrNotSupported;
   183 			break;
   184 		}
   185 	return r;
   186 	}
   187 #else
   188 TInt DProfile::DoControl(TInt /*aFunction*/, TAny* /*a1*/, TAny* /*a2*/)
   189 	{
   190 
   191 	return KErrNotSupported;
   192 	}
   193 #endif
   194