// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

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

 // which accompanies this distribution, and is available

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

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // e32test\bench\d_kernasmfnc.cpp

 // 

 //

 #include <e32cmn.h>

 #include <e32cmn_private.h>

 #include <kernel/kern_priv.h>

 #include "d_kernbm.h"

 #include "d_kernasmbm.h"

 TUint8* UserPtr;		// pointer to user-side buffer

 TUint8* KernelPtr;	// pointer to kernel-side buffer

 NFastMutex* FastMutex;

 NFastSemaphore* FastSem;

 DThread* Thread;

 void DfcFunc(TAny*)

 	{

 	}

 TDfc Dfc(DfcFunc, NULL, Kern::DfcQue0(), 3);

 TPriList<TPriListLink, 64> PriList;

 _LIT(KObjectName, "This is a valid object name.");

 TBitMapAllocator* Bma;

 TInt BitmapList[32];

 const TUint8* CharData = (const TUint8*) "Here's some char data to compare with memicmp";

 // Allocate a 32-byte aligned block

 TAny* AllocAligned(TUint aSize)

 	{

 	TUint mem = (TUint)Kern::Alloc(aSize + 32 + 4);

 	if (!mem)

 		return NULL;

 	TUint* ptr = (TUint*) ALIGN_ADDR(mem + 4);

 	ptr[-1] = mem;

 	return ptr;

 	}

 // Free a block allocated by AllocAligned

 void FreeAligned(TAny* ptr)

 	{

 	Kern::Free((TAny*)((TUint*)ptr)[-1]);

 	}

 TBitMapAllocator* AllocAlignedBMA(TInt aSize, TBool aState)

 	{

 	TInt nmapw=(aSize+31)>>5;

 	TInt memsz=sizeof(TBitMapAllocator)+(nmapw-1)*sizeof(TUint32);

 	TBitMapAllocator* pA=(TBitMapAllocator*)AllocAligned(memsz);

 	if (pA)

 		new(pA) TBitMapAllocator(aSize, aState);

 	return pA;

 	}

 TInt ThreadFunc(TAny* aPtr)

 	{

 	return KErrNone;

 	}

 TInt InitData()

 	{

 	KernelPtr = (TUint8*)AllocAligned(KKernAsmBmBufferSize);

 	if (!KernelPtr)

 		return KErrNoMemory;

 	Bma = AllocAlignedBMA(256, ETrue);

 	if (!Bma)

 		return KErrNoMemory;

 	FastSem = (NFastSemaphore*) AllocAligned(sizeof(NFastSemaphore));

 	if (!FastSem)

 		return KErrNoMemory;

 	new (FastSem) NFastSemaphore;

 	NKern::FSSetOwner(FastSem, NULL);

 	FastMutex = (NFastMutex*) AllocAligned(sizeof(FastMutex));

 	if (!FastMutex)

 		return KErrNoMemory;

 	new (FastMutex) NFastMutex;

 	SThreadCreateInfo info;

 	info.iType=EThreadSupervisor;

 	info.iFunction=ThreadFunc;

 	info.iPtr=NULL;

 	info.iSupervisorStack=NULL;

 	info.iSupervisorStackSize=0;	// zero means use default value

 	info.iInitialThreadPriority=NKern::CurrentThread()->iPriority;

 	info.iName.Set(_L("bmthread2"));

 	info.iTotalSize = sizeof(info);

 	NKern::ThreadEnterCS();

 	TInt r = Kern::ThreadCreate(info);

 	NKern::ThreadLeaveCS();

 	if (r != KErrNone)

 		return r;

 	Thread = (DThread*)info.iHandle;

 	return KErrNone;

 	}

 void CloseData()

 	{

 	FreeAligned(KernelPtr); KernelPtr = NULL;

 	FreeAligned(Bma); Bma = NULL;

 	FreeAligned(FastSem); FastSem = NULL;

 	FreeAligned(FastMutex); FastMutex = NULL;

 	Kern::ThreadResume(*Thread); Thread = NULL; // thread will now exit

 	}

 // 1.     Functions that have C++ equivalents

 // 1.1    NKern

 // 1.1.1  DFCs

 DEFINE_BENCHMARK(Dfc_DoEnqueCancel,

 				 NKern::Lock(),

 				 Dfc.DoEnque(); Dfc.Cancel(),

 				 NKern::Unlock());

 DEFINE_BENCHMARK(Dfc_AddCancel,

 				 NKern::Lock(),

 				 Dfc.Add(); Dfc.Cancel(),

 				 NKern::Unlock());

 // Not exported: TDfc::DoEnqueFinal, TDfc::ThreadFunction

 // 1.1.2  Fast mutex

 DEFINE_BENCHMARK(NKern_LockUnlockSystem,

 				 ,

 				 NKern::LockSystem(); NKern::UnlockSystem(),

 				 );

 DEFINE_BENCHMARK(NFastMutex_WaitSignal,

 				 NKern::Lock(),

 				 FastMutex->Wait(); FastMutex->Signal(),

 				 NKern::Unlock());  // no contention

 DEFINE_BENCHMARK(NKern_FMWaitSignal,

 				 ,

 				 NKern::FMWait(FastMutex); NKern::FMSignal(FastMutex),

 				 );  // no contention

 // Benchmark that exercises contention for fast mutex

 DEFINE_THREADED_BENCHMARK(NFastMutex_ThreadSwitch,

 						  -1,

 						  Kern::ThreadResume(*iThread2),

 						  NKern::FSWait(FastSem);   NKern::FMWait(FastMutex); NKern::FMSignal(FastMutex),

   						  NKern::FMWait(FastMutex); NKern::FSSignal(FastSem); NKern::FMSignal(FastMutex),

   						  );

 // Benchmark thread switching with suspend/resume for comparison

 DEFINE_THREADED_BENCHMARK(Kern_ThreadSwitch,

 						  1,

 						  ,

 						  Kern::ThreadResume(*iThread2),

 						  Kern::ThreadSuspend(*iThread2, 1),

 						  Kern::ThreadResume(*iThread2));

 // 1.1.3  Fast semaphore

 DEFINE_BENCHMARK(NFastSem_Wait,

 				 NKern::Lock(); FastSem->SignalN(aParams.iIts * 10),

 				 FastSem->Wait(),

 				 NKern::Unlock());

 DEFINE_BENCHMARK(NFastSem_Signal,

 				 NKern::Lock(),

 				 FastSem->Signal(),

 				 FastSem->Reset(); NKern::Unlock());

 DEFINE_BENCHMARK(NFastSem_SignalN,

 				 NKern::Lock(),

 				 FastSem->SignalN(1),

 				 FastSem->Reset(); NKern::Unlock());

 DEFINE_BENCHMARK(NFastSem_Reset,

 				 NKern::Lock(),

 				 FastSem->Reset(),

 				 NKern::Unlock());

 // NFastSemaphore::WaitCancel not exported

 DEFINE_THREADED_BENCHMARK(NFastSem_ThreadSwitch,

 						  -1,

 						  Kern::ThreadResume(*iThread2),

 						  NKern::FSWait(FastSem),

 						  NKern::FSSignal(FastSem),

 						  );

 DEFINE_BENCHMARK(NKern_WaitForAnyReq,

 				 NKern::ThreadRequestSignal(NULL, aParams.iIts * 10),

 				 NKern::WaitForAnyRequest(),

 				 );

 DEFINE_BENCHMARK(NKern_ThreadReqSignal,

 				 NThread* t = &Thread->iNThread; NKern::Lock(),

 				 NKern::ThreadRequestSignal(t),

 				 t->iRequestSemaphore.Reset();NKern::Unlock());

 DEFINE_BENCHMARK(NKern_ThreadReqSignal2,

 				 NThread* t = &Thread->iNThread,

 				 NKern::FMWait(FastMutex); NKern::ThreadRequestSignal(t, FastMutex),

 				 NKern::Lock(); t->iRequestSemaphore.Reset(); NKern::Unlock(););

 // 1.1.4  Timers

 DEFINE_BENCHMARK(NTimer_OneShot,

 				 NTimer timer,

 				 timer.OneShot(100); timer.Cancel(),

 				 );

 DEFINE_BENCHMARK(NTimer_Again,

 				 NTimer timer,

 				 timer.Again(100); timer.Cancel(),

 				 );

 // Not exported:

 //	  NTimerQ::Add

 //	  NTimerQ::AddFinal

 //	  NTimerQ::DfcFn

 //	  NTimerQ::Dfc

 // Not tested:

 //	  NTimerQ::IdleTime

 // 1.1.5  Priority list

 DEFINE_BENCHMARK(TPriList_AddRemove,

 				 TPriListLink link(15),

 				 PriList.Add(&link); PriList.Remove(&link),

 				 );

 DEFINE_BENCHMARK(TPriList_AddRemove2,

 				 TPriListLink link(15); TPriListLink link2(15); PriList.Add(&link2),

 				 PriList.Add(&link); PriList.Remove(&link),

 				 PriList.Remove(&link2));

 DEFINE_BENCHMARK(TPriList_First,

 				 TPriListLink link(15); PriList.Add(&link),

 				 PriList.First(),

 				 PriList.Remove(&link));

 DEFINE_BENCHMARK(TPriList_HighestPri,

 				 TPriListLink link(15); PriList.Add(&link),

 				 PriList.First(),

 				 PriList.Remove(&link));

 DEFINE_BENCHMARK(TPriList_ChangePri,

 				 TPriListLink link(15); PriList.Add(&link); TInt pri = 15,

 				 pri ^= 32; PriList.ChangePriority(&link, pri),

 				 PriList.Remove(&link));

 // 1.2 Kern

 DEFINE_BENCHMARK(Kern_ValidateFullName,

 				 ,

 				 Kern::ValidateFullName(KObjectName),

 				 );

 // 1.3. klib

 DEFINE_BENCHMARK(TBitMapAlloc_Ctor,

 				 ,

 				 new (Bma) TBitMapAllocator(256, ETrue),

 				 );

 DEFINE_BENCHMARK(TBitMapAlloc_AllocFree1,

 				 ,

 				 Bma->Alloc(17, 119); Bma->Free(17, 119),

 				 );

 DEFINE_BENCHMARK(TBitMapAlloc_AllocFree2,

 				 Bma->Alloc(0, 119),

 				 Bma->Free(Bma->Alloc()),

 				 Bma->Free(0, 119));

 DEFINE_BENCHMARK(TBitMapAlloc_SelectFree,

 				 ,

 				 Bma->SelectiveFree(0, 153),

 				 );

 DEFINE_BENCHMARK(TBitMapAlloc_NotFree,

 				 ,

 				 Bma->NotFree(0, 119),

 				 );

 DEFINE_BENCHMARK(TBitMapAlloc_NotAlloc,

 				 ,

 				 Bma->NotAllocated(0, 119),

 				 );

 DEFINE_BENCHMARK(TBitMapAlloc_AllocList,

 				 ,

 				 Bma->AllocList(32, BitmapList); Bma->Free(0, 32),

 				 );

 DEFINE_BENCHMARK(TBitMapAlloc_AllocAligned,

 				 Bma->Alloc(0, 35); TInt a = 0; TInt b=0,

 				 Bma->AllocAligned(64, 3, 0, EFalse, a, b),

 				 Bma->Free(0, 35));

 DEFINE_BENCHMARK(Kern_ValidateName,

 				 ,

 				 Kern::ValidateName(KObjectName),

 				 );

 DEFINE_BENCHMARK(memicmp,

 				 ,

 				 memicmp(CharData, CharData, 49),

 				 );

 // 2.	Functions that have no C++ equivalent

 // 2.1. NKern

 DEFINE_BENCHMARK(NKern_LockedInc,

 				 TInt i,

 				 NKern::LockedInc(i),

 				 );

 DEFINE_BENCHMARK(NKern_LockedDec,

 				 TInt i,

 				 NKern::LockedDec(i),

 				 );

 DEFINE_BENCHMARK(NKern_LockedAdd,

 				 TInt i,

 				 NKern::LockedAdd(i, 0),

 				 );

 DEFINE_BENCHMARK(NKern_LockedSetClear,

 				 TUint32 i,

 				 NKern::LockedSetClear(i, 0, 0),

 				 );

 DEFINE_BENCHMARK(NKern_LockedSetClear8,

 				 TUint8 i,

 				 NKern::LockedSetClear8(i, 0, 0),

 				 );

 DEFINE_BENCHMARK(NKern_SafeInc,

 				 TInt i = 0,

 				 NKern::SafeInc(i),

 				 );

 DEFINE_BENCHMARK(NKern_SafeDec,

 				 TInt i = KMaxTInt,

 				 NKern::SafeDec(i),

 				 );

 DEFINE_BENCHMARK(NKern_SafeSwap,

 				 TAny* i,

 				 NKern::SafeSwap(0, i),

 				 );

 DEFINE_BENCHMARK(NKern_SafeSwap8,

 				 TUint8 i,

 				 NKern::SafeSwap8(0, i),

 				 );

 DEFINE_BENCHMARK(NKern_LockUnlock,

 				 ,

 				 NKern::Lock(); NKern::Unlock(),

 				 );

 DEFINE_BENCHMARK(NKern_DisableInts1,

 				 ,

 				 NKern::RestoreInterrupts(NKern::DisableInterrupts(1)),

 				 );

 DEFINE_BENCHMARK(NKern_DisableInts2,

 				 ,

 				 NKern::RestoreInterrupts(NKern::DisableInterrupts(2)),

 				 );

 // 2.2 Kern

 DEFINE_BENCHMARK(Kern_NanoWait,

 				 ,

 				 Kern::NanoWait(1000),

 				 );  // expect 1uS!

 DEFINE_BENCHMARK(Kern_KUSafeInc,

 				 umemset(UserPtr, 1, sizeof(TInt)),

 				 Kern::KUSafeInc(*(TInt*)UserPtr),

 				 );

 DEFINE_BENCHMARK(Kern_KUSafeDec,

 				 umemset(UserPtr, KMaxTInt8, sizeof(TInt)),

 				 Kern::KUSafeDec(*(TInt*)UserPtr),

 				 );

 DEFINE_BENCHMARK(DThread_ObjectFromHandle,

 				 DThread* thread = &Kern::CurrentThread(),

 				 thread->ObjectFromHandle(1),

 				 );

 DEFINE_BENCHMARK(Kern_ObjectFromHandle,

 				 DThread* thread = &Kern::CurrentThread(),

 				 Kern::ObjectFromHandle(thread, 1, -1),

 				 );

 DEFINE_BENCHMARK(Kern_KUSafeRead,

 				 TUint8 buf[128],

 				 Kern::KUSafeRead(UserPtr, buf, 128),

 				 );

 DEFINE_BENCHMARK(Kern_SafeRead,

 				 TUint8 buf[128],

 				 Kern::SafeRead(KernelPtr, buf, 128),

 				 );

 DEFINE_BENCHMARK(Kern_KUSafeWrite,

 				 TUint8 buf[128],

 				 Kern::KUSafeWrite(UserPtr, buf, 128),

 				 );

 DEFINE_BENCHMARK(Kern_SafeWrite,

 				 TUint8 buf[128],

 				 Kern::SafeWrite(KernelPtr, buf, 128),

 				 );

 DEFINE_BENCHMARK(Kern_SafeRead4,

 				 TUint8 buf[128],

 				 Kern::SafeRead(KernelPtr, buf, 4),

 				 );

 DEFINE_BENCHMARK(Kern_SafeRead8,

 				 TUint8 buf[128],

 				 Kern::SafeRead(KernelPtr, buf, 8),

 				 );

 // 2.3 klib

 DEFINE_BENCHMARK(umemput32_16,

 				 ,

 				 umemput32(UserPtr, KernelPtr, 16),

 				 );

 DEFINE_BENCHMARK(umemput32_4,

 				 ,

 				 umemput32(UserPtr, KernelPtr, 4),

 				 );

 DEFINE_MEMORY_BENCHMARK(umemput32_64K,

 						4,

 						KernelPtr,

 						UserPtr,

 						,

 						umemput32(dest, src, 65536),

 						);

 DEFINE_BENCHMARK(umemput_32,

 				 ,

 				 umemput(UserPtr, KernelPtr, 32),

 				 );

 DEFINE_BENCHMARK(umemput_40,

 				 ,

 				 umemput(UserPtr, KernelPtr, 40),

 				 );

 DEFINE_MEMORY_BENCHMARK(umemput_64K,

 						1,

 						KernelPtr,

 						UserPtr,

 						,

 						umemput(dest, src, 65536),

 						);

 DEFINE_BENCHMARK(umemget32_32,

 				 ,

 				 umemget32(KernelPtr, UserPtr, 32),

 				 );

 DEFINE_MEMORY_BENCHMARK(umemget32_64K,

 						4,

 						UserPtr,

 						KernelPtr,

 						,

 						umemget32(dest, src, 65536),

 						);

 DEFINE_BENCHMARK(umemget_7,

 				 ,

 				 umemget(KernelPtr, UserPtr, 7),

 				 );

 DEFINE_MEMORY_BENCHMARK(umemget_64K,

 						1,

 						UserPtr,

 						KernelPtr,

 						,

 						umemget(dest, src, 65536),

 						);

 DEFINE_BENCHMARK(umemset_64K,

 				 ,

 				 umemset(UserPtr, 23, 65536),

 				 );

 // Not exported:

 //   K::ObjectFromHandle(TInt /*aHandle*/)

 //   K::ObjectFromHandle(TInt /*aHandle*/, TInt /*aType*/)

 //   ExecHandler::LockedInc

 //   ExecHandler::LockedDec

 //   ExecHandler::SafeInc

 //   ExecHandler::SafeDec