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// Copyright (c) 2010-2010 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\power\t_frqchg.cpp
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//
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//
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#define __E32TEST_EXTENSION__
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#include <e32test.h>
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#include <e32math.h>
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#include <e32atomics.h>
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#include <hal.h>
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#include "d_frqchg.h"
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#include <e32svr.h>
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#include "u32std.h"
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RFrqChg Driver;
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RTest test(_L("T_FRQCHG"));
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// test will fail if slice is > (expected+KSliceDeltaPercent%of expexted)
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// or < (expected-KSliceDeltaPercent%expected)
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const TInt KSliceDeltaPercent = 5;
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// test will fail for global timer based timestamps if interval measured
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// is > (expected+KTimeStampDeltaPercent%of expexted)
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// or < (expected-KTimeStampDeltaPercent%expected)
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const TInt KTimeStampDeltaPercent = 5;
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TInt RealToRatio(SRatio& aRatio, const TRealX& aReal)
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{
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aRatio.iSpare1 = 0;
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aRatio.iSpare2 = 0;
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if (aReal.iSign || aReal.IsZero() || aReal.IsNaN())
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{
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aRatio.iM = 0;
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aRatio.iX = 0;
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return (aReal.IsZero()) ? KErrNone : KErrNotSupported;
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}
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TRealX rx(aReal);
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TRealX rr(rx);
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rr.iExp -= 32;
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rr.iMantLo = 0;
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rr.iMantHi = 0x80000000u;
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rx += rr; // rounding
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TInt exp = rx.iExp - 32767 - 31;
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if (exp < -32768)
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{
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aRatio.iM = 0;
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aRatio.iX = 0;
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return KErrUnderflow;
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}
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if (exp > 32767)
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{
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aRatio.iM = 0xffffffffu;
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aRatio.iX = 32767;
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return KErrOverflow;
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}
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aRatio.iM = rx.iMantHi;
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aRatio.iX = (TInt16)exp;
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return KErrNone;
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}
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TInt RatioToReal(TRealX& a, const SRatio& aRatio)
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{
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a.iSign = 0;
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a.iFlag = 0;
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a.iMantLo = 0;
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a.iMantHi = aRatio.iM;
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if (!aRatio.iM)
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{
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a.SetZero();
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return KErrNone;
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}
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TInt exp = aRatio.iX + 31 + 32767;
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if (exp > 65534)
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{
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a.SetInfinite(EFalse);
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}
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else
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{
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a.iExp = (TUint16)exp;
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}
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return KErrNone;
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}
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TInt RatioSetValue(TRealX& a, TUint32 aInt, TInt aDivisorExp)
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{
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a.Set(TUint(aInt));
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TInt exp = a.iExp;
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exp -= aDivisorExp;
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if (exp<1)
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{
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a.SetZero();
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return KErrUnderflow;
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}
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if (exp>65534)
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{
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a.SetInfinite(EFalse);
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return KErrOverflow;
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}
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a.iExp = (TInt16)exp;
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return KErrNone;
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}
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TInt RatioReciprocal(SRatio& aRatio)
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{
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TRealX rx;
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TInt r = RatioToReal(rx, aRatio);
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if (r != KErrNone)
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return r;
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rx = TRealX(1) / rx;
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return RealToRatio(aRatio, rx);
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}
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TInt RatioMult(const SRatio& aRatio, TUint32& aInt32)
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{
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TRealX rx;
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TInt r = RatioToReal(rx, aRatio);
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if (r != KErrNone)
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return r;
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r = rx.MultEq(TRealX((TUint)aInt32));
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if (r != KErrNone)
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return r;
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if (rx.IsZero())
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{
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aInt32 = 0;
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return KErrNone;
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}
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rx.AddEq(TRealX(0.5));
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if (rx<TRealX(1))
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{
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aInt32 = 0;
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return KErrUnderflow;
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}
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if (rx.iExp > 32767+31)
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{
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aInt32 = ~0u;
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return KErrOverflow;
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}
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aInt32 = rx.operator TUint();
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return KErrNone;
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}
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void RatioPrint(const char* aTitle, const SRatio& aRatio)
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{
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TPtrC8 t8((const TUint8*)aTitle);
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TBuf<256> t16;
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t16.Copy(t8);
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test.Printf(_L("%S: %08x %04x\n"), &t16, aRatio.iM, TUint16(aRatio.iX));
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}
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void RatioPrint2(const char* aTitle, const SRatio& aR1, const SRatio& aR2)
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{
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TPtrC8 t8((const TUint8*)aTitle);
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TBuf<256> t16;
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t16.Copy(t8);
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test.Printf(_L("%S: %08x %04x %08x %04x\n"), &t16, aR1.iM, TUint16(aR1.iX), aR2.iM, TUint16(aR2.iX));
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}
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void TestEqual(const SRatio& aActual, const SRatio& aExpected)
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{
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if (aActual.iM==aExpected.iM && aActual.iX==aExpected.iX)
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return;
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RatioPrint("Actual", aActual);
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RatioPrint("Expected", aExpected);
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test(0);
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}
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const TUint32 MultTestIntegers[] =
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{
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0u, 1u, 2u, 3u, 5u, 7u, 11u, 13u, 17u, 19u, 23u, 29u, 31u, 37u, 41u, 43u, 47u,
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50u, 51u, 53u, 59u, 61u, 63u, 67u, 71u, 72u, 81u, 100u, 127u, 133u, 187u, 200u,
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4u, 8u, 16u, 32u, 64u, 128u, 256u, 512u, 1024u, 2048u, 4096u, 8192u, 16384u,
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32768u, 65536u, 131072u, 262144u, 524288u, 1048576u, 2097152u, 4194304u, 8388608u,
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16777216u, 33554432u, 67108864u, 134217728u, 268435456u, 536870912u, 1073741824u,
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2147483648u, 4294967295u,
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9u, 27u, 243u, 729u, 2187u, 6561u, 19683u, 59049u, 177147u, 531441u, 1594323u,
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4782969u, 14348907u, 43046721u, 129140163u, 387420489u, 1162261467u, 3486784401u,
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25u, 125u, 625u, 3125u, 15625u, 78125u, 390625u, 1953125u, 9765625u,
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48828125u, 244140625u, 1220703125u,
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49u, 343u, 2401u, 16807u, 117649u, 823543u, 5764801u, 40353607u, 282475249u, 1977326743u
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};
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void Test1M(const SRatio& aRatio)
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{
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SRatio ratio = aRatio;
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const TInt N = sizeof(MultTestIntegers)/sizeof(MultTestIntegers[0]);
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test.Printf(_L("Testing %d integers\n"), N);
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TInt i;
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for (i=0; i<N; ++i)
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{
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TUint32 I = MultTestIntegers[i];
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TUint32 I0 = I;
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TUint32 I1 = I;
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TInt r0 = RatioMult(aRatio, I0);
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TInt r1 = Driver.RatioMult(ratio, I1);
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if (r0!=KErrNone || r1!=KErrNone)
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{
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if (r0!=r1)
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{
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test.Printf(_L("Return code mismatch r0=%d r1=%d (I=%08x I0=%08x I1=%08x)\n"), r0, r1, I, I0, I1);
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test(0);
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}
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}
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else if (I0!=I1)
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{
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test.Printf(_L("Result mismatch I=%08x I0=%08x I1=%08x\n"), I, I0, I1);
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}
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}
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}
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void Test1(TUint32 aInt, TInt aDivisorExp)
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{
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TRealX realx;
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SRatio r0x;
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SRatio r0;
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SRatio r1x;
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SRatio r1;
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TInt r;
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test.Printf(_L("Test1 %08x %d\n"), aInt, aDivisorExp);
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r = RatioSetValue(realx, aInt, aDivisorExp);
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test_KErrNone(r);
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r = RealToRatio(r0x, realx);
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test_KErrNone(r);
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r = Driver.RatioSet(r0, aInt, aDivisorExp);
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RatioPrint2("R0X,R0", r0x, r0);
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TestEqual(r0, r0x);
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Test1M(r0);
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r1x = r0x;
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r = RatioReciprocal(r1x);
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test_KErrNone(r);
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r1 = r0;
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r = Driver.RatioReciprocal(r1);
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test_KErrNone(r);
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RatioPrint2("R1X,R1", r1x, r1);
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TestEqual(r1, r1x);
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Test1M(r1);
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}
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void TestRatios()
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{
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Test1(1,0);
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Test1(3,0);
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Test1(0xb504f334u,32);
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Test1(0xc90fdaa2u,30);
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Test1(10,0);
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Test1(0xcccccccd,35);
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Test1(100,0);
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Test1(0xa3d70a3d,38);
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}
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class CircBuf
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{
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public:
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static CircBuf* New(TInt aSlots);
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CircBuf();
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~CircBuf();
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TInt TryPut(TUint32 aIn);
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void Reset();
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public:
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volatile TUint32* iBufBase;
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TUint32 iSlotCount;
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volatile TUint32 iPutIndex;
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};
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CircBuf* CircBuf::New(TInt aSlots)
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{
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test(TUint32(aSlots-1)<65536);
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CircBuf* p = new CircBuf();
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p->iSlotCount = aSlots;
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p->iPutIndex = 0;
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p->iBufBase = (TUint32*)User::Alloc(aSlots*sizeof(TUint32));
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if (!p->iBufBase)
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{
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delete p;
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p = 0;
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}
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__e32_memory_barrier();
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return p;
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}
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CircBuf::CircBuf()
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{
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iBufBase = 0;
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}
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CircBuf::~CircBuf()
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{
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User::Free((TAny*)iBufBase);
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}
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TInt CircBuf::TryPut(TUint32 aIn)
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{
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TUint32 orig = __e32_atomic_tau_rlx32(&iPutIndex, iSlotCount, 0, 1);
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if (orig == iSlotCount)
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return KErrOverflow;
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iBufBase[orig] = aIn;
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return KErrNone;
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}
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void CircBuf::Reset()
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{
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__e32_atomic_store_ord32(&iPutIndex, 0);
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}
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class CTimesliceTestThread : public CBase
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{
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public:
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CTimesliceTestThread();
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~CTimesliceTestThread();
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static CTimesliceTestThread* New(TUint32 aId, TInt aCpu, TInt aSlice, CircBuf* aBuf);
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void Start();
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void Wait();
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TBool Finished();
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TInt Construct(TUint32 aId, TInt aCpu, TInt aSlice, CircBuf* aBuf);
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static TInt ThreadFunc(TAny*);
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public:
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RThread iThread;
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TRequestStatus iExitStatus;
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TUint32 iId;
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CircBuf* iBuf;
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TUint32 iFreq;
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TUint32 iThresh;
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TUint32 iThresh2;
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TInt iCpu;
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TInt iSlice;
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};
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CTimesliceTestThread::CTimesliceTestThread()
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{
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iThread.SetHandle(0);
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}
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CTimesliceTestThread::~CTimesliceTestThread()
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{
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if (iThread.Handle())
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{
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if (iThread.ExitType() == EExitPending)
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{
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iThread.Kill(0);
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Wait();
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}
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CLOSE_AND_WAIT(iThread);
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}
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}
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TInt CTimesliceTestThread::Construct(TUint32 aId, TInt aCpu, TInt aSlice, CircBuf* aBuf)
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{
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iId = aId;
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iCpu = aCpu;
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iSlice = aSlice;
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iBuf = aBuf;
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TInt r = HAL::Get(HAL::EFastCounterFrequency, (TInt&)iFreq);
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if (r!=KErrNone)
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return r;
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iThresh = iFreq / 3000;
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if (iThresh < 10)
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iThresh = 10;
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iThresh2 = iFreq;
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TBuf<16> name = _L("TSThrd");
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name.AppendNum(iId);
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r = iThread.Create(name, &ThreadFunc, 0x1000, NULL, this);
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if (r!=KErrNone)
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return r;
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iThread.Logon(iExitStatus);
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if (iExitStatus != KRequestPending)
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{
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iThread.Kill(0);
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iThread.Close();
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iThread.SetHandle(0);
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return iExitStatus.Int();
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}
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return KErrNone;
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}
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CTimesliceTestThread* CTimesliceTestThread::New(TUint32 aId, TInt aCpu, TInt aSlice, CircBuf* aBuf)
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{
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CTimesliceTestThread* p = new CTimesliceTestThread;
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if (p)
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{
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TInt r = p->Construct(aId, aCpu, aSlice, aBuf);
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if (r != KErrNone)
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{
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delete p;
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p = 0;
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}
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}
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return p;
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}
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void CTimesliceTestThread::Start()
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{
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iThread.Resume();
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}
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TBool CTimesliceTestThread::Finished()
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{
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|
410 |
return (KRequestPending!=iExitStatus.Int());
|
|
411 |
}
|
|
412 |
|
|
413 |
void CTimesliceTestThread::Wait()
|
|
414 |
{
|
|
415 |
User::WaitForRequest(iExitStatus);
|
|
416 |
}
|
|
417 |
|
|
418 |
TInt CTimesliceTestThread::ThreadFunc(TAny* aPtr)
|
|
419 |
{
|
|
420 |
CTimesliceTestThread& a = *(CTimesliceTestThread*)aPtr;
|
|
421 |
Driver.SetCurrentThreadCpu(a.iCpu);
|
|
422 |
Driver.SetCurrentThreadPriority(63);
|
|
423 |
Driver.SetCurrentThreadTimeslice(a.iSlice);
|
|
424 |
User::AfterHighRes(100000);
|
|
425 |
TUint id = a.iId;
|
|
426 |
TUint32 last_interval_begin = User::FastCounter();
|
|
427 |
TUint32 last_seen_time = User::FastCounter();
|
|
428 |
FOREVER
|
|
429 |
{
|
|
430 |
TUint32 nfc = User::FastCounter();
|
|
431 |
TUint32 delta = nfc - last_seen_time;
|
|
432 |
TUint32 interval_length = last_seen_time - last_interval_begin;
|
|
433 |
if (delta > a.iThresh || interval_length > a.iThresh2)
|
|
434 |
{
|
|
435 |
last_interval_begin = nfc;
|
|
436 |
TUint32 x = (id<<30) | (interval_length&0x3fffffffu);
|
|
437 |
TInt r = a.iBuf->TryPut(x);
|
|
438 |
if (r != KErrNone)
|
|
439 |
break;
|
|
440 |
}
|
|
441 |
last_seen_time = nfc;
|
|
442 |
}
|
|
443 |
return KErrNone;
|
|
444 |
}
|
|
445 |
|
|
446 |
CircBuf* RunTimesliceTest(TInt aCpu, TInt aSlice, TInt aCount, TInt aInterfere = 0)
|
|
447 |
{
|
|
448 |
TUint32 oldaff = 0;
|
|
449 |
TUint32 interfereAffinity = 0;
|
|
450 |
TUint tellKernel = 0x80000000u;
|
|
451 |
|
|
452 |
CircBuf* buf = CircBuf::New(aCount);
|
|
453 |
test(buf != 0);
|
|
454 |
CTimesliceTestThread* t0 = CTimesliceTestThread::New(0, aCpu, aSlice, buf);
|
|
455 |
test(t0 != 0);
|
|
456 |
CTimesliceTestThread* t1 = CTimesliceTestThread::New(1, aCpu, aSlice, buf);
|
|
457 |
test(t1 != 0);
|
|
458 |
|
|
459 |
if (aInterfere)
|
|
460 |
{
|
|
461 |
if (aInterfere < 0)
|
|
462 |
{
|
|
463 |
tellKernel = 0;
|
|
464 |
}
|
|
465 |
TInt r = UserSvr::HalFunction(EHalGroupKernel, EKernelHalNumLogicalCpus, 0, 0);
|
|
466 |
test(r>0);
|
|
467 |
interfereAffinity = (0x80000000 | ((0x1<<r)-1)) & ~0x2; // all except core 1
|
|
468 |
if (0x80000001 == interfereAffinity)
|
|
469 |
{
|
|
470 |
interfereAffinity = 0; // dual core system (not doing this fails affinity check later)
|
|
471 |
}
|
|
472 |
|
|
473 |
Driver.SetCurrentThreadCpu(interfereAffinity , &oldaff); // move away from core 1 (doesn't hurt though not much difference gained)
|
|
474 |
Driver.SetCurrentThreadPriority(63); // changing prescaler requires running on core 1 so priority needs to
|
|
475 |
} // match test threads
|
|
476 |
|
|
477 |
|
|
478 |
t0->Start();
|
|
479 |
t1->Start();
|
|
480 |
if (aInterfere)
|
|
481 |
{
|
|
482 |
TInt prescale = 1;
|
|
483 |
while (!t0->Finished() || !t1->Finished())
|
|
484 |
{
|
|
485 |
User::AfterHighRes(23000);
|
|
486 |
Driver.SetLocalTimerPrescaler((1u<<1)|tellKernel, prescale);
|
|
487 |
prescale++;
|
|
488 |
if (prescale > 4)
|
|
489 |
{
|
|
490 |
prescale = 0;
|
|
491 |
}
|
|
492 |
}
|
|
493 |
}
|
|
494 |
|
|
495 |
t0->Wait();
|
|
496 |
t1->Wait();
|
|
497 |
|
|
498 |
delete t0;
|
|
499 |
delete t1;
|
|
500 |
if (aInterfere)
|
|
501 |
{
|
|
502 |
TUint32 aff;
|
|
503 |
Driver.SetLocalTimerPrescaler((1u<<1)|0x80000000u, -1);
|
|
504 |
RThread().SetPriority(EPriorityNormal);
|
|
505 |
Driver.SetCurrentThreadCpu(oldaff,&aff);
|
|
506 |
test_Equal(aff,interfereAffinity);
|
|
507 |
}
|
|
508 |
return buf;
|
|
509 |
}
|
|
510 |
|
|
511 |
TUint32 ticks_to_us(TUint32 aTicks, TUint32 aF)
|
|
512 |
{
|
|
513 |
TUint64 x = TUint64(aTicks) * TUint64(1000000);
|
|
514 |
TUint64 f64 = aF;
|
|
515 |
x += (f64>>1);
|
|
516 |
x /= f64;
|
|
517 |
return I64LOW(x);
|
|
518 |
}
|
|
519 |
|
|
520 |
void DisplayBuffer(CircBuf* aBuf, TUint32 aSlice )
|
|
521 |
{
|
|
522 |
TUint32 f;
|
|
523 |
TInt r = HAL::Get(HAL::EFastCounterFrequency, (TInt&)f);
|
|
524 |
test_KErrNone(r);
|
|
525 |
TUint32* p = (TUint32*)aBuf->iBufBase;
|
|
526 |
TInt c = aBuf->iSlotCount;
|
|
527 |
TInt i;
|
|
528 |
TInt lid = -1;
|
|
529 |
TUint32 min = ~0u;
|
|
530 |
TUint32 max = 0;
|
|
531 |
TUint32 totivus = 0;
|
|
532 |
TBool firstchg = ETrue;
|
|
533 |
for (i=0; i<c; ++i)
|
|
534 |
{
|
|
535 |
TUint32 x = p[i];
|
|
536 |
TUint32 id = x>>30;
|
|
537 |
TUint32 iv = (x<<2)>>2;
|
|
538 |
TUint32 ivus = ticks_to_us(iv,f);
|
|
539 |
if (lid >= 0)
|
|
540 |
{
|
|
541 |
if (lid == (TInt)id)
|
|
542 |
totivus += ivus;
|
|
543 |
else
|
|
544 |
{
|
|
545 |
if (!firstchg)
|
|
546 |
{
|
|
547 |
if (totivus < min)
|
|
548 |
min = totivus;
|
|
549 |
if (totivus > max)
|
|
550 |
max = totivus;
|
|
551 |
}
|
|
552 |
else
|
|
553 |
firstchg = EFalse;
|
|
554 |
totivus = ivus;
|
|
555 |
}
|
|
556 |
}
|
|
557 |
lid = (TInt)id;
|
|
558 |
test.Printf(_L("ID: %1d IV: %10d (=%10dus) TIV %10dus\n"), id, iv, ivus, totivus);
|
|
559 |
}
|
|
560 |
|
|
561 |
if (aSlice > 0)
|
|
562 |
{
|
|
563 |
// check timeslices where within acceptable ranges
|
|
564 |
TUint32 sliceError = KSliceDeltaPercent*aSlice/100;
|
|
565 |
test_Compare(max,<,aSlice+sliceError);
|
|
566 |
test_Compare(min,>,aSlice-sliceError);
|
|
567 |
}
|
|
568 |
test.Printf(_L("RANGE %d-%dus (%dus)\n"), min, max, max-min);
|
|
569 |
}
|
|
570 |
|
|
571 |
void TT()
|
|
572 |
{
|
|
573 |
test.Printf(_L("Timeslicing test ...\n"));
|
|
574 |
CircBuf* b = RunTimesliceTest(1, 50000, 100);
|
|
575 |
test.Next(_L("Baseline - expecting normal"));
|
|
576 |
DisplayBuffer(b,50000u);
|
|
577 |
delete b;
|
|
578 |
|
|
579 |
Driver.SetLocalTimerPrescaler(1u<<1, 1);
|
|
580 |
b = RunTimesliceTest(1, 50000, 100);
|
|
581 |
test.Next(_L("expecting double"));
|
|
582 |
DisplayBuffer(b,100000u);
|
|
583 |
delete b;
|
|
584 |
|
|
585 |
Driver.SetLocalTimerPrescaler(1u<<1|0x80000000u, 1);
|
|
586 |
test.Next(_L("expecting normal again"));
|
|
587 |
b = RunTimesliceTest(1, 50000, 100);
|
|
588 |
DisplayBuffer(b,50000u);
|
|
589 |
delete b;
|
|
590 |
|
|
591 |
test.Next(_L("expecting half"));
|
|
592 |
Driver.SetLocalTimerPrescaler(1u<<1, -1);
|
|
593 |
b = RunTimesliceTest(1, 50000, 100);
|
|
594 |
DisplayBuffer(b,25000u);
|
|
595 |
delete b;
|
|
596 |
|
|
597 |
Driver.SetLocalTimerPrescaler(1u<<1|0x80000000u, -1);
|
|
598 |
test.Next(_L("expecting normal again"));
|
|
599 |
b = RunTimesliceTest(1, 50000, 100);
|
|
600 |
DisplayBuffer(b,50000u);
|
|
601 |
delete b;
|
|
602 |
|
|
603 |
b = RunTimesliceTest(1, 50000, 200 ,-1);
|
|
604 |
test.Next(_L("expecting random"));
|
|
605 |
DisplayBuffer(b,0u); // timeslices should be fairly random on this run
|
|
606 |
|
|
607 |
b = RunTimesliceTest(1, 50000, 200 ,1);
|
|
608 |
test.Next(_L("expecting normal again"));
|
|
609 |
DisplayBuffer(b,50000u);
|
|
610 |
delete b;
|
|
611 |
}
|
|
612 |
|
|
613 |
struct SGTRecord
|
|
614 |
{
|
|
615 |
TUint64 iTSInterval;
|
|
616 |
TUint64 iGTInterval;
|
|
617 |
};
|
|
618 |
|
|
619 |
|
|
620 |
SGTRecord* RunGTTest(TInt aCount, TInt aWait)
|
|
621 |
{
|
|
622 |
TUint64 lastgt,lastts,gt,ts;
|
|
623 |
|
|
624 |
SGTRecord* res = new SGTRecord[aCount];
|
|
625 |
test(res!=0);
|
|
626 |
|
|
627 |
|
|
628 |
TInt r = Driver.ReadGlobalTimerAndTimestamp(lastgt,lastts);
|
|
629 |
test_Equal(r,KErrNone);
|
|
630 |
|
|
631 |
for (TInt i = 0; i < aCount; i++)
|
|
632 |
{
|
|
633 |
User::AfterHighRes(aWait);
|
|
634 |
|
|
635 |
TInt r = Driver.ReadGlobalTimerAndTimestamp(gt,ts);
|
|
636 |
test_Equal(r,KErrNone);
|
|
637 |
res[i].iGTInterval = gt-lastgt;
|
|
638 |
lastgt = gt;
|
|
639 |
res[i].iTSInterval = ts-lastts;
|
|
640 |
lastts = ts;
|
|
641 |
}
|
|
642 |
|
|
643 |
return res;
|
|
644 |
}
|
|
645 |
|
|
646 |
void DisplayGTResults(SGTRecord* aRec, TInt aCount, TUint32 aFreq, TUint64 aExpectedTSInterval, TUint64 aExpectedGTInterval)
|
|
647 |
{
|
|
648 |
SGTRecord max = { 0ul , 0ul };
|
|
649 |
SGTRecord min = { KMaxTUint64 , KMaxTUint64 };
|
|
650 |
|
|
651 |
TUint64 errgt = (aExpectedGTInterval*KTimeStampDeltaPercent)/100;
|
|
652 |
TUint64 errts = (aExpectedTSInterval*KTimeStampDeltaPercent)/100;
|
|
653 |
|
|
654 |
|
|
655 |
for (TInt i = 0 ; i < aCount; i++)
|
|
656 |
{
|
|
657 |
test.Printf(_L("gt interval : %Lu (gtticks) %Lu (us)\n"),
|
|
658 |
aRec[i].iGTInterval,
|
|
659 |
aRec[i].iTSInterval*1000000u/TUint64(aFreq));
|
|
660 |
|
|
661 |
if (max.iTSInterval < aRec[i].iTSInterval)
|
|
662 |
{
|
|
663 |
max.iTSInterval = aRec[i].iTSInterval;
|
|
664 |
}
|
|
665 |
if (max.iGTInterval < aRec[i].iGTInterval)
|
|
666 |
{
|
|
667 |
max.iGTInterval = aRec[i].iGTInterval;
|
|
668 |
}
|
|
669 |
|
|
670 |
if (min.iTSInterval > aRec[i].iTSInterval)
|
|
671 |
{
|
|
672 |
min.iTSInterval = aRec[i].iTSInterval;
|
|
673 |
}
|
|
674 |
if (min.iGTInterval > aRec[i].iGTInterval)
|
|
675 |
{
|
|
676 |
min.iGTInterval = aRec[i].iGTInterval;
|
|
677 |
}
|
|
678 |
}
|
|
679 |
|
|
680 |
test.Printf(_L("RANGE Global Timer %Lu-%Lu ticks (%Lu ticks)\n"),
|
|
681 |
min.iGTInterval, max.iGTInterval, max.iGTInterval-min.iGTInterval);
|
|
682 |
|
|
683 |
test.Printf(_L("RANGE Timestamp %Lu-%Lu us (%Lu us)\n"),
|
|
684 |
(1000000u*min.iGTInterval)/TUint64(aFreq), (1000000u*max.iGTInterval)/TUint64(aFreq),
|
|
685 |
(1000000u*max.iGTInterval)/TUint64(aFreq) - (1000000u*min.iGTInterval)/TUint64(aFreq));
|
|
686 |
|
|
687 |
if (errts)
|
|
688 |
{
|
|
689 |
test_Compare(max.iTSInterval,<,aExpectedTSInterval+errts);
|
|
690 |
test_Compare(min.iTSInterval,>,aExpectedTSInterval);
|
|
691 |
}
|
|
692 |
|
|
693 |
if (errgt)
|
|
694 |
{
|
|
695 |
test_Compare(max.iGTInterval,<,aExpectedGTInterval+errgt);
|
|
696 |
test_Compare(min.iGTInterval,>,aExpectedGTInterval);
|
|
697 |
}
|
|
698 |
|
|
699 |
}
|
|
700 |
|
|
701 |
void GTT()
|
|
702 |
{
|
|
703 |
test.Printf(_L("Global timer tests ...\n"));
|
|
704 |
TUint64 gt,ts;
|
|
705 |
|
|
706 |
TInt r = Driver.ReadGlobalTimerAndTimestamp(gt,ts);
|
|
707 |
if (KErrNotSupported == r )
|
|
708 |
{
|
|
709 |
test.Printf(_L("Global timer not supported in this plaform, skipping GT tests\n"));
|
|
710 |
return;
|
|
711 |
}
|
|
712 |
|
|
713 |
TUint32 f;
|
|
714 |
r = HAL::Get(HAL::EFastCounterFrequency, (TInt&)f);
|
|
715 |
test_KErrNone(r);
|
|
716 |
TInt wait = 100000; // 100ms
|
|
717 |
TInt count = 10;
|
|
718 |
|
|
719 |
TUint64 expectedTs = (TUint64(f)*TUint64(wait))/1000000u;
|
|
720 |
TUint64 expectedGtOrig = expectedTs;
|
|
721 |
|
|
722 |
SGTRecord* rec;
|
|
723 |
for (TInt i = 0; i < 10; i++)
|
|
724 |
{
|
|
725 |
TUint64 expectedGt = expectedGtOrig/(i+1);
|
|
726 |
r = Driver.SetGlobalTimerPrescaler(i);
|
|
727 |
test_KErrNone(r);
|
|
728 |
rec = RunGTTest(count, wait);
|
|
729 |
test.Printf(_L("expectedTS %Lu expectedGT %Lu\n"),expectedTs,expectedGt);
|
|
730 |
DisplayGTResults(rec,count, f, expectedTs , expectedGt);
|
|
731 |
delete rec;
|
|
732 |
}
|
|
733 |
|
|
734 |
r = Driver.SetGlobalTimerPrescaler(-1); // back to default
|
|
735 |
test_KErrNone(r);
|
|
736 |
}
|
|
737 |
|
|
738 |
void RunTests()
|
|
739 |
{
|
|
740 |
TestRatios();
|
|
741 |
if (Driver.FrqChgTestPresent()!=KErrNone)
|
|
742 |
{
|
|
743 |
test.Printf(_L("Frequency Change not supported on this platform\n"));
|
|
744 |
return;
|
|
745 |
}
|
|
746 |
TT();
|
|
747 |
GTT();
|
|
748 |
}
|
|
749 |
|
|
750 |
GLDEF_C TInt E32Main()
|
|
751 |
{
|
|
752 |
test.Title();
|
|
753 |
test.Start(_L("Testing"));
|
|
754 |
TInt r = User::LoadLogicalDevice(KLddName);
|
|
755 |
if (r==KErrNotFound)
|
|
756 |
{
|
|
757 |
test.Printf(_L("Test not supported on this platform\n"));
|
|
758 |
}
|
|
759 |
else
|
|
760 |
{
|
|
761 |
if (r!=KErrNone)
|
|
762 |
{
|
|
763 |
test_Equal(KErrAlreadyExists, r);
|
|
764 |
}
|
|
765 |
r = Driver.Open();
|
|
766 |
test_KErrNone(r);
|
|
767 |
RunTests();
|
|
768 |
Driver.Close();
|
|
769 |
}
|
|
770 |
|
|
771 |
test.End();
|
|
772 |
r = User::FreeLogicalDevice(KLddName);
|
|
773 |
test_KErrNone(r);
|
|
774 |
return KErrNone;
|
|
775 |
}
|