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// Copyright (c) 2005-2009 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 the License "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:
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// e32test\bench\d_kernasmfnc.cpp
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//
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//
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#include <e32cmn.h>
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#include <e32cmn_private.h>
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#include <kernel/kern_priv.h>
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#include "d_kernbm.h"
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#include "d_kernasmbm.h"
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TUint8* UserPtr; // pointer to user-side buffer
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TUint8* KernelPtr; // pointer to kernel-side buffer
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NFastMutex* FastMutex;
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NFastSemaphore* FastSem;
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DThread* Thread;
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void DfcFunc(TAny*)
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{
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}
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TDfc Dfc(DfcFunc, NULL, Kern::DfcQue0(), 3);
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TPriList<TPriListLink, 64> PriList;
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_LIT(KObjectName, "This is a valid object name.");
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TBitMapAllocator* Bma;
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TInt BitmapList[32];
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const TUint8* CharData = (const TUint8*) "Here's some char data to compare with memicmp";
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// Allocate a 32-byte aligned block
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TAny* AllocAligned(TUint aSize)
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{
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TUint mem = (TUint)Kern::Alloc(aSize + 32 + 4);
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if (!mem)
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return NULL;
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TUint* ptr = (TUint*) ALIGN_ADDR(mem + 4);
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ptr[-1] = mem;
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return ptr;
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}
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// Free a block allocated by AllocAligned
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void FreeAligned(TAny* ptr)
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{
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Kern::Free((TAny*)((TUint*)ptr)[-1]);
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}
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TBitMapAllocator* AllocAlignedBMA(TInt aSize, TBool aState)
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{
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TInt nmapw=(aSize+31)>>5;
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TInt memsz=sizeof(TBitMapAllocator)+(nmapw-1)*sizeof(TUint32);
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TBitMapAllocator* pA=(TBitMapAllocator*)AllocAligned(memsz);
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if (pA)
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new(pA) TBitMapAllocator(aSize, aState);
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return pA;
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}
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TInt ThreadFunc(TAny* aPtr)
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{
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return KErrNone;
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}
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TInt InitData()
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{
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KernelPtr = (TUint8*)AllocAligned(KKernAsmBmBufferSize);
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if (!KernelPtr)
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return KErrNoMemory;
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Bma = AllocAlignedBMA(256, ETrue);
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if (!Bma)
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return KErrNoMemory;
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FastSem = (NFastSemaphore*) AllocAligned(sizeof(NFastSemaphore));
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if (!FastSem)
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return KErrNoMemory;
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new (FastSem) NFastSemaphore;
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NKern::FSSetOwner(FastSem, NULL);
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FastMutex = (NFastMutex*) AllocAligned(sizeof(FastMutex));
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if (!FastMutex)
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return KErrNoMemory;
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new (FastMutex) NFastMutex;
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SThreadCreateInfo info;
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info.iType=EThreadSupervisor;
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info.iFunction=ThreadFunc;
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info.iPtr=NULL;
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info.iSupervisorStack=NULL;
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info.iSupervisorStackSize=0; // zero means use default value
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info.iInitialThreadPriority=NKern::CurrentThread()->iPriority;
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info.iName.Set(_L("bmthread2"));
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info.iTotalSize = sizeof(info);
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NKern::ThreadEnterCS();
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TInt r = Kern::ThreadCreate(info);
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NKern::ThreadLeaveCS();
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if (r != KErrNone)
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return r;
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Thread = (DThread*)info.iHandle;
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return KErrNone;
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}
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void CloseData()
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{
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FreeAligned(KernelPtr); KernelPtr = NULL;
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FreeAligned(Bma); Bma = NULL;
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FreeAligned(FastSem); FastSem = NULL;
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FreeAligned(FastMutex); FastMutex = NULL;
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Kern::ThreadResume(*Thread); Thread = NULL; // thread will now exit
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}
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// 1. Functions that have C++ equivalents
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// 1.1 NKern
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// 1.1.1 DFCs
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DEFINE_BENCHMARK(Dfc_DoEnqueCancel,
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NKern::Lock(),
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Dfc.DoEnque(); Dfc.Cancel(),
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NKern::Unlock());
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DEFINE_BENCHMARK(Dfc_AddCancel,
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NKern::Lock(),
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Dfc.Add(); Dfc.Cancel(),
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NKern::Unlock());
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// Not exported: TDfc::DoEnqueFinal, TDfc::ThreadFunction
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// 1.1.2 Fast mutex
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DEFINE_BENCHMARK(NKern_LockUnlockSystem,
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NKern::LockSystem(); NKern::UnlockSystem(),
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);
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DEFINE_BENCHMARK(NFastMutex_WaitSignal,
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NKern::Lock(),
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FastMutex->Wait(); FastMutex->Signal(),
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NKern::Unlock()); // no contention
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DEFINE_BENCHMARK(NKern_FMWaitSignal,
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NKern::FMWait(FastMutex); NKern::FMSignal(FastMutex),
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); // no contention
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// Benchmark that exercises contention for fast mutex
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DEFINE_THREADED_BENCHMARK(NFastMutex_ThreadSwitch,
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-1,
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Kern::ThreadResume(*iThread2),
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NKern::FSWait(FastSem); NKern::FMWait(FastMutex); NKern::FMSignal(FastMutex),
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NKern::FMWait(FastMutex); NKern::FSSignal(FastSem); NKern::FMSignal(FastMutex),
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);
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// Benchmark thread switching with suspend/resume for comparison
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DEFINE_THREADED_BENCHMARK(Kern_ThreadSwitch,
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1,
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Kern::ThreadResume(*iThread2),
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Kern::ThreadSuspend(*iThread2, 1),
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Kern::ThreadResume(*iThread2));
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// 1.1.3 Fast semaphore
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DEFINE_BENCHMARK(NFastSem_Wait,
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NKern::Lock(); FastSem->SignalN(aParams.iIts * 10),
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FastSem->Wait(),
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NKern::Unlock());
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DEFINE_BENCHMARK(NFastSem_Signal,
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NKern::Lock(),
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FastSem->Signal(),
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FastSem->Reset(); NKern::Unlock());
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DEFINE_BENCHMARK(NFastSem_SignalN,
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NKern::Lock(),
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FastSem->SignalN(1),
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FastSem->Reset(); NKern::Unlock());
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DEFINE_BENCHMARK(NFastSem_Reset,
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NKern::Lock(),
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FastSem->Reset(),
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NKern::Unlock());
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// NFastSemaphore::WaitCancel not exported
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DEFINE_THREADED_BENCHMARK(NFastSem_ThreadSwitch,
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-1,
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Kern::ThreadResume(*iThread2),
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NKern::FSWait(FastSem),
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NKern::FSSignal(FastSem),
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);
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DEFINE_BENCHMARK(NKern_WaitForAnyReq,
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NKern::ThreadRequestSignal(NULL, aParams.iIts * 10),
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NKern::WaitForAnyRequest(),
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);
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DEFINE_BENCHMARK(NKern_ThreadReqSignal,
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NThread* t = &Thread->iNThread; NKern::Lock(),
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NKern::ThreadRequestSignal(t),
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t->iRequestSemaphore.Reset();NKern::Unlock());
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DEFINE_BENCHMARK(NKern_ThreadReqSignal2,
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NThread* t = &Thread->iNThread,
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NKern::FMWait(FastMutex); NKern::ThreadRequestSignal(t, FastMutex),
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NKern::Lock(); t->iRequestSemaphore.Reset(); NKern::Unlock(););
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// 1.1.4 Timers
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DEFINE_BENCHMARK(NTimer_OneShot,
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NTimer timer,
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timer.OneShot(100); timer.Cancel(),
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);
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DEFINE_BENCHMARK(NTimer_Again,
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NTimer timer,
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timer.Again(100); timer.Cancel(),
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);
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// Not exported:
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// NTimerQ::Add
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// NTimerQ::AddFinal
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// NTimerQ::DfcFn
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// NTimerQ::Dfc
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// Not tested:
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// NTimerQ::IdleTime
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// 1.1.5 Priority list
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DEFINE_BENCHMARK(TPriList_AddRemove,
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TPriListLink link(15),
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PriList.Add(&link); PriList.Remove(&link),
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);
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DEFINE_BENCHMARK(TPriList_AddRemove2,
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TPriListLink link(15); TPriListLink link2(15); PriList.Add(&link2),
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PriList.Add(&link); PriList.Remove(&link),
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PriList.Remove(&link2));
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DEFINE_BENCHMARK(TPriList_First,
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TPriListLink link(15); PriList.Add(&link),
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PriList.First(),
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PriList.Remove(&link));
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DEFINE_BENCHMARK(TPriList_HighestPri,
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TPriListLink link(15); PriList.Add(&link),
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PriList.First(),
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PriList.Remove(&link));
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DEFINE_BENCHMARK(TPriList_ChangePri,
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TPriListLink link(15); PriList.Add(&link); TInt pri = 15,
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pri ^= 32; PriList.ChangePriority(&link, pri),
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PriList.Remove(&link));
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// 1.2 Kern
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DEFINE_BENCHMARK(Kern_ValidateFullName,
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,
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Kern::ValidateFullName(KObjectName),
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);
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// 1.3. klib
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DEFINE_BENCHMARK(TBitMapAlloc_Ctor,
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,
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new (Bma) TBitMapAllocator(256, ETrue),
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);
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DEFINE_BENCHMARK(TBitMapAlloc_AllocFree1,
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,
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Bma->Alloc(17, 119); Bma->Free(17, 119),
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);
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DEFINE_BENCHMARK(TBitMapAlloc_AllocFree2,
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Bma->Alloc(0, 119),
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Bma->Free(Bma->Alloc()),
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Bma->Free(0, 119));
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DEFINE_BENCHMARK(TBitMapAlloc_SelectFree,
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Bma->SelectiveFree(0, 153),
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);
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DEFINE_BENCHMARK(TBitMapAlloc_NotFree,
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,
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Bma->NotFree(0, 119),
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);
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DEFINE_BENCHMARK(TBitMapAlloc_NotAlloc,
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,
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Bma->NotAllocated(0, 119),
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);
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DEFINE_BENCHMARK(TBitMapAlloc_AllocList,
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,
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Bma->AllocList(32, BitmapList); Bma->Free(0, 32),
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);
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DEFINE_BENCHMARK(TBitMapAlloc_AllocAligned,
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Bma->Alloc(0, 35); TInt a = 0; TInt b=0,
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Bma->AllocAligned(64, 3, 0, EFalse, a, b),
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Bma->Free(0, 35));
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DEFINE_BENCHMARK(Kern_ValidateName,
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,
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Kern::ValidateName(KObjectName),
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);
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DEFINE_BENCHMARK(memicmp,
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,
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memicmp(CharData, CharData, 49),
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);
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// 2. Functions that have no C++ equivalent
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// 2.1. NKern
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DEFINE_BENCHMARK(NKern_LockedInc,
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TInt i,
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NKern::LockedInc(i),
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);
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DEFINE_BENCHMARK(NKern_LockedDec,
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TInt i,
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NKern::LockedDec(i),
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);
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DEFINE_BENCHMARK(NKern_LockedAdd,
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TInt i,
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NKern::LockedAdd(i, 0),
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);
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DEFINE_BENCHMARK(NKern_LockedSetClear,
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TUint32 i,
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NKern::LockedSetClear(i, 0, 0),
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);
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DEFINE_BENCHMARK(NKern_LockedSetClear8,
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TUint8 i,
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NKern::LockedSetClear8(i, 0, 0),
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);
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DEFINE_BENCHMARK(NKern_SafeInc,
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TInt i = 0,
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NKern::SafeInc(i),
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);
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DEFINE_BENCHMARK(NKern_SafeDec,
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TInt i = KMaxTInt,
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NKern::SafeDec(i),
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);
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DEFINE_BENCHMARK(NKern_SafeSwap,
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TAny* i,
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NKern::SafeSwap(0, i),
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);
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DEFINE_BENCHMARK(NKern_SafeSwap8,
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TUint8 i,
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NKern::SafeSwap8(0, i),
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);
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DEFINE_BENCHMARK(NKern_LockUnlock,
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,
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NKern::Lock(); NKern::Unlock(),
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);
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DEFINE_BENCHMARK(NKern_DisableInts1,
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,
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NKern::RestoreInterrupts(NKern::DisableInterrupts(1)),
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);
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DEFINE_BENCHMARK(NKern_DisableInts2,
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,
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NKern::RestoreInterrupts(NKern::DisableInterrupts(2)),
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);
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// 2.2 Kern
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DEFINE_BENCHMARK(Kern_NanoWait,
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,
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Kern::NanoWait(1000),
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); // expect 1uS!
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DEFINE_BENCHMARK(Kern_KUSafeInc,
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umemset(UserPtr, 1, sizeof(TInt)),
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Kern::KUSafeInc(*(TInt*)UserPtr),
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);
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DEFINE_BENCHMARK(Kern_KUSafeDec,
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umemset(UserPtr, KMaxTInt8, sizeof(TInt)),
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Kern::KUSafeDec(*(TInt*)UserPtr),
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);
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DEFINE_BENCHMARK(DThread_ObjectFromHandle,
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DThread* thread = &Kern::CurrentThread(),
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thread->ObjectFromHandle(1),
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);
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DEFINE_BENCHMARK(Kern_ObjectFromHandle,
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DThread* thread = &Kern::CurrentThread(),
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Kern::ObjectFromHandle(thread, 1, -1),
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);
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DEFINE_BENCHMARK(Kern_KUSafeRead,
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TUint8 buf[128],
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Kern::KUSafeRead(UserPtr, buf, 128),
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);
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DEFINE_BENCHMARK(Kern_SafeRead,
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TUint8 buf[128],
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Kern::SafeRead(KernelPtr, buf, 128),
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);
|
|
432 |
|
|
433 |
DEFINE_BENCHMARK(Kern_KUSafeWrite,
|
|
434 |
TUint8 buf[128],
|
|
435 |
Kern::KUSafeWrite(UserPtr, buf, 128),
|
|
436 |
);
|
|
437 |
|
|
438 |
DEFINE_BENCHMARK(Kern_SafeWrite,
|
|
439 |
TUint8 buf[128],
|
|
440 |
Kern::SafeWrite(KernelPtr, buf, 128),
|
|
441 |
);
|
|
442 |
|
|
443 |
DEFINE_BENCHMARK(Kern_SafeRead4,
|
|
444 |
TUint8 buf[128],
|
|
445 |
Kern::SafeRead(KernelPtr, buf, 4),
|
|
446 |
);
|
|
447 |
|
|
448 |
DEFINE_BENCHMARK(Kern_SafeRead8,
|
|
449 |
TUint8 buf[128],
|
|
450 |
Kern::SafeRead(KernelPtr, buf, 8),
|
|
451 |
);
|
|
452 |
|
|
453 |
// 2.3 klib
|
|
454 |
|
|
455 |
DEFINE_BENCHMARK(umemput32_16,
|
|
456 |
,
|
|
457 |
umemput32(UserPtr, KernelPtr, 16),
|
|
458 |
);
|
|
459 |
|
|
460 |
DEFINE_BENCHMARK(umemput32_4,
|
|
461 |
,
|
|
462 |
umemput32(UserPtr, KernelPtr, 4),
|
|
463 |
);
|
|
464 |
|
|
465 |
DEFINE_MEMORY_BENCHMARK(umemput32_64K,
|
|
466 |
4,
|
|
467 |
KernelPtr,
|
|
468 |
UserPtr,
|
|
469 |
,
|
|
470 |
umemput32(dest, src, 65536),
|
|
471 |
);
|
|
472 |
|
|
473 |
DEFINE_BENCHMARK(umemput_32,
|
|
474 |
,
|
|
475 |
umemput(UserPtr, KernelPtr, 32),
|
|
476 |
);
|
|
477 |
|
|
478 |
DEFINE_BENCHMARK(umemput_40,
|
|
479 |
,
|
|
480 |
umemput(UserPtr, KernelPtr, 40),
|
|
481 |
);
|
|
482 |
|
|
483 |
DEFINE_MEMORY_BENCHMARK(umemput_64K,
|
|
484 |
1,
|
|
485 |
KernelPtr,
|
|
486 |
UserPtr,
|
|
487 |
,
|
|
488 |
umemput(dest, src, 65536),
|
|
489 |
);
|
|
490 |
|
|
491 |
DEFINE_BENCHMARK(umemget32_32,
|
|
492 |
,
|
|
493 |
umemget32(KernelPtr, UserPtr, 32),
|
|
494 |
);
|
|
495 |
|
|
496 |
DEFINE_MEMORY_BENCHMARK(umemget32_64K,
|
|
497 |
4,
|
|
498 |
UserPtr,
|
|
499 |
KernelPtr,
|
|
500 |
,
|
|
501 |
umemget32(dest, src, 65536),
|
|
502 |
);
|
|
503 |
|
|
504 |
DEFINE_BENCHMARK(umemget_7,
|
|
505 |
,
|
|
506 |
umemget(KernelPtr, UserPtr, 7),
|
|
507 |
);
|
|
508 |
|
|
509 |
DEFINE_MEMORY_BENCHMARK(umemget_64K,
|
|
510 |
1,
|
|
511 |
UserPtr,
|
|
512 |
KernelPtr,
|
|
513 |
,
|
|
514 |
umemget(dest, src, 65536),
|
|
515 |
);
|
|
516 |
|
|
517 |
DEFINE_BENCHMARK(umemset_64K,
|
|
518 |
,
|
|
519 |
umemset(UserPtr, 23, 65536),
|
|
520 |
);
|
|
521 |
|
|
522 |
// Not exported:
|
|
523 |
// K::ObjectFromHandle(TInt /*aHandle*/)
|
|
524 |
// K::ObjectFromHandle(TInt /*aHandle*/, TInt /*aType*/)
|
|
525 |
// ExecHandler::LockedInc
|
|
526 |
// ExecHandler::LockedDec
|
|
527 |
// ExecHandler::SafeInc
|
|
528 |
// ExecHandler::SafeDec
|