--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/bench/d_kernasmfnc.cpp Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,528 @@
+// 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