author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:57:14 +0300 | |
branch | RCL_3 |
changeset 23 | 26645d81f48d |
parent 0 | 08ec8eefde2f |
child 24 | cc28652e0254 |
permissions | -rw-r--r-- |
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// Copyright (c) 2007-2009 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 "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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// Ost Performance Tests API Test Object |
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// |
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/** |
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@file te_perfapicall.cpp |
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@internalTechnology |
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@prototype |
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*/ |
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#include "te_perfapicall.h" |
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#include "te_apirunconfig.h" |
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#include "te_perftracetester.h" |
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#include "te_lightlogger.h" |
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#include "te_instrumentationpoints.h" //for TUptTraceCalls::IsKernelTrace |
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#include "te_perfstackinfo.h" |
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CApiCallTest::CApiCallTest() |
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{ |
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} |
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CApiCallTest::~CApiCallTest() |
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{ |
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} |
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/** This user-side method uses takes the parameters passed by the user to carry out a single API call test run |
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@param aApiId is the API call method or API printf method, passed as an enum. (NB: enum is different for user vs kernel printf calls, and for static and nonstatic etc.) |
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@param aUptPc is the TBool specifying the Program Counter parameter to pass to the UTrace API |
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@param aUptContext is the TBool specifying the Context parameter to pass to the UTrace API |
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@param aSizeOfUptData is the size in bytes of the Data field being used in the relevant API calls containing a data field, passed as a TInt |
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@param aTestPrimary is the boolean specifying whether to test the Primary filter setting (ETrue does test the primary filter, EFalse doesn't) |
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@param aTestSecondary is the boolean specifying whether to test the Secondary filter setting (ETrue does test the secondary filter, EFalse doesn't) |
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@param aTestUTraceULoggerMatch is the boolean specifying whether the filter settings in ULogger match the filter parameters assigned to the Trace points (ETrue matches, EFalse doesn't match) |
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@param aTestMinimumExecution is the boolean specifying whether to test the minimum execution time for the API call |
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ETrue = minimum execution time, i.e. cached trace |
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EFalse = typical execution time, i.e. uncached trace |
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@return ApiTestResult is the API Call test result struct object returned to the calling program, which contains all the test results from the relevent test run |
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*/ |
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TInt CApiCallTest::DoTestL(const TApiRunConfig& /*aApiRunConfig*/, TApiTestResult& /*aApiTestResult*/) |
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{ |
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TInt error = KErrNotSupported; |
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//create a dummy time variable to be used for the baseline measurement |
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//TUint64 baselinetime = 0; |
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//now run tests to fill the results variables |
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__TEST_LOG("member functions initialised"); |
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//Sorry, I cut out all the functionality here and stuck it in the methods below... |
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//I needed to know where the errors came from... |
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//err = HeapUsage(iApiTestResult->iApiHeapUsage); |
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__TEST_LOG("all trace ok - stack ERR IS"); |
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__TEST_LOGNUM(error); |
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//return the results of the API call tests to the calling program |
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return error; |
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} |
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TInt CApiCallTest::CachedTraceTimeL(TApiRunConfig& aApiRunConfig, TApiTestResult& aApiTestResult) |
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{ |
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TInt error = KErrNotSupported; |
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//create a dummy time variable to be used for the baseline measurement |
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TInt32 baselinetime = 0; |
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//carry out the APIcall tests as required by the user |
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__TEST_LOG("about to carry out cache trace"); |
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if(aApiRunConfig.iDoMinExecution) |
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{ |
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CachedTraceBaselineTimeL(aApiRunConfig, baselinetime); |
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__TEST_LOG("cache baseline"); |
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__TEST_LOGNUM(baselinetime); |
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error = CachedTraceTimeL(aApiRunConfig, aApiTestResult.iMinimumExecutionTime, baselinetime); |
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__TEST_LOG("cache"); |
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__TEST_LOGNUM(aApiTestResult.iMinimumExecutionTime); |
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} |
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return error; |
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} |
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TInt CApiCallTest::NonCachedTraceTimeL(TApiRunConfig& aApiRunConfig, TApiTestResult& aApiTestResult) |
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{ |
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TInt error = KErrNotSupported; |
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//create a dummy time variable to be used for the baseline measurement |
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TInt32 baselinetime = 0; |
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__TEST_LOG("about to carry out non cache trace"); |
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if(aApiRunConfig.iDoTypicalExecution) |
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{ |
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NonCachedTraceBaselineTimeL(aApiRunConfig, baselinetime); |
0
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__TEST_LOG("noncache baseline"); |
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__TEST_LOGNUM(baselinetime); |
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error = NonCachedTraceTimeL(aApiRunConfig, aApiTestResult.iTypicalExecutionTime, baselinetime); |
0
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__TEST_LOG("noncache"); |
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__TEST_LOGNUM(aApiTestResult.iTypicalExecutionTime); |
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} |
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return error; |
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} |
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115 |
|
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TInt CApiCallTest::StackUsageL(TApiRunConfig& aApiRunConfig, TApiTestResult& aApiTestResult) |
0
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{ |
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__TEST_LOG("about to carry out stack usage trace"); |
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TInt error = StackUsageL(aApiRunConfig, aApiTestResult.iRunResults.iApiStackUsage); |
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if(aApiTestResult.iRunResults.iApiStackUsage == KErrNotSupported && !error) |
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error = KErrNotSupported; |
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return error; |
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} |
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124 |
|
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/** This user-side method is used to ensure that the cache has been flushed for calculating the API typical execution times |
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@return KErrNone if command was prepared correctly and a system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::FlushTheCache() |
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{ |
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//Put in empty call of certain size to flush the cache |
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TInt err=0; |
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/* |
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#ifndef __WINSCW__ |
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err=Te_Flush_The_Cache(); |
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#endif |
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*/ |
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return err; |
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} |
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139 |
|
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/** This user-side method calculates the minimum execution baseline time taken for a single commented API call. |
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@param aMinimumExecutionBaselineTime is the minimum execution baseline time taken for the commented API call, calculated in nanoseconds |
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@return KErrNone if command was prepared correctly and a system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::CachedTraceBaselineTimeL(TApiRunConfig& aApiRunConfig, TInt32& aMinimumExecutionBaselineTime) |
0
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{ |
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//****NB: update this routine to something more maintainable |
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TUptTraceTester timer; |
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TInt error = KErrNone; |
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|
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TApiRunResults apiRunResults; |
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TRunConfigurer::Init(apiRunResults); |
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TInt originalApiId = aApiRunConfig.iApiId; |
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if(TUptTraceCalls::IsKernelTrace(originalApiId)) |
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aApiRunConfig.iApiId = UPTKernelBaseline; |
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else |
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aApiRunConfig.iApiId = UPTBaseline; |
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aApiRunConfig.iDoTrace=EFalse; |
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aApiRunConfig.iDoStack=EFalse; |
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aApiRunConfig.iDoFlush=EFalse; |
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|
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error = timer.TimeTraceL(aApiRunConfig, apiRunResults); |
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|
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aApiRunConfig.iApiId = originalApiId; |
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aMinimumExecutionBaselineTime = apiRunResults.iApiTraceTime; |
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return error; |
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|
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} |
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|
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/** This user-side method calculates the minimum execution time taken for a single API call. |
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@param aMinimumExecutionTime is the minimum execution time taken for the API call, calculated in nanoseconds |
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@param aMinimumExecutionBaselineTime is the minimum execution baseline time taken for commented API call, calculated in nanoseconds |
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@return KErrNone if command was prepared correctly and a system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::CachedTraceTimeL(TApiRunConfig& aApiRunConfig, TInt32& aMinimumExecutionTime, TInt32& aMinimumExecutionBaselineTime) |
0
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{ |
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//NB!!! any changes to this routine and you have to update the baseline calculation as well |
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TUptTraceTester timer; |
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|
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TInt err =KErrNone; |
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TApiRunResults apiRunResults; |
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TRunConfigurer::Init(apiRunResults); |
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aApiRunConfig.iDoTrace=ETrue; |
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aApiRunConfig.iDoStack=EFalse; |
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aApiRunConfig.iDoFlush=EFalse; |
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|
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err=timer.TimeTraceL(aApiRunConfig, apiRunResults); |
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|
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aMinimumExecutionTime = apiRunResults.iApiTraceTime - aMinimumExecutionBaselineTime; |
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|
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return err; |
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} |
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|
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/** This user-side method calculates the typical execution baseline time taken for a single commented API call. |
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@param aTypicalExecutionBaselineTime is the typical execution baseline time taken for the API call, calculated in nanoseconds |
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@return KErrNone if command was prepared correctly and a system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::NonCachedTraceBaselineTimeL(TApiRunConfig& aApiRunConfig, TInt32& aTypicalExecutionBaselineTime) |
0
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{ |
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//****NB: update this routine to something more maintainable |
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TUptTraceTester timer; |
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|
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TInt error = KErrNone; |
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|
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TApiRunResults apiRunResults; |
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TRunConfigurer::Init(apiRunResults); |
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TInt originalApiId = aApiRunConfig.iApiId; |
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if(TUptTraceCalls::IsKernelTrace(originalApiId)) |
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aApiRunConfig.iApiId = UPTKernelBaseline; |
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else |
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aApiRunConfig.iApiId = UPTBaseline; |
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aApiRunConfig.iDoTrace = EFalse; |
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aApiRunConfig.iDoStack = EFalse; |
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aApiRunConfig.iDoFlush = ETrue; |
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|
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error=timer.TimeTraceL(aApiRunConfig, apiRunResults); |
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|
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aApiRunConfig.iApiId = originalApiId; |
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aTypicalExecutionBaselineTime = apiRunResults.iApiTraceTime; |
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return error; |
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} |
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|
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/** This user-side method calculates the typical execution time taken for a single API call. |
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@param aTypicalExecutionTime is the typical execution time taken for the API call, calculated in nanoseconds |
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@return KErrNone if command was prepared correctly and a system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::NonCachedTraceTimeL(TApiRunConfig& aApiRunConfig, TInt32& aTypicalExecutionTime, TInt32& aTypicalExecutionBaselineTime) |
0
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{ |
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|
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TUptTraceTester timer; |
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|
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TInt err =KErrNone; |
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TApiRunResults apiRunResults; |
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TRunConfigurer::Init(apiRunResults); |
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aApiRunConfig.iDoTrace=ETrue; |
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aApiRunConfig.iDoStack=EFalse; |
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aApiRunConfig.iDoFlush=ETrue; |
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|
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err=timer.TimeTraceL(aApiRunConfig, apiRunResults); |
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|
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aTypicalExecutionTime = apiRunResults.iApiTraceTime - aTypicalExecutionBaselineTime; |
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|
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return err; |
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|
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} |
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|
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/*A test function available for use by TestStackUsage() |
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* */ |
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void foo() |
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{ |
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volatile int gt[100]; //expect 400 bytes stack use - i.e. 100 words of 4bytes each |
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for(int i=0; i<100;++i) |
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gt[i] = i; |
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} |
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|
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|
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/** This calculates the typical stack usage for a single API call. |
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* This is only done on hardware, but this is taken care of in the |
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* actual stack usage methods. For emulator the result will always be 0. |
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* |
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* @return KErrNone if command was prepared correctly and a system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::StackUsageL(TApiRunConfig& aApiRunConfig, TInt& aApiStackUsage) |
0
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{ |
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/* |
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PSEUDOCODE |
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1) initiate a variable forced to the cleanup stack |
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static volatile int foo = 0; |
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2) initiate a pointer to this variable |
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int* p=&foo; |
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3) now fill the stack from this point to 0K with e.g. DEADBEEF bitpattern |
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memid=(foo, p, 0xDEADBEEF); |
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4) (note will wind the pointer on to p = p & 0xFFFC000 (0k) |
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5) take a copy of this bitmap pattern (memcopy (foo)); |
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6) take pointer back to foo |
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7) execute UTrace(...) |
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8) take a copy of the new bitmap patterm (memcopy (foo)); |
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9) compare the bitmap pattern from 5) and 9) to give stack usage |
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10) verify this result with Lauterbach |
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*/ |
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TUptTraceTester tracecall; |
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|
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TInt err=KErrNone; |
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TApiRunResults apiRunResults; |
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TRunConfigurer::Init(apiRunResults); |
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aApiRunConfig.iDoTrace=ETrue; |
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aApiRunConfig.iDoStack=ETrue; |
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aApiRunConfig.iDoFlush=EFalse; //not really needed but kept for consistency |
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|
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|
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err = tracecall.SendTraceL(aApiRunConfig, apiRunResults); |
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aApiStackUsage = apiRunResults.iApiStackUsage; |
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return err; |
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} |
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|
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/** This user-side method calculates the typical heap usage for a single API call. (Expected to be zero, but included for sanity) |
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@return KErrNone if command was prepared correctly and a system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::HeapUsage(TInt& aApiHeapUsage) |
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{ |
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aApiHeapUsage=-1; |
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return KErrNone; |
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} |
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/** This sanity test method is executed at the start of the test run to verify that UPT methods in |
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this class are stable before any of the performance tests are carried out |
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@return KErrNone if command was prepared correctly and system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::Test() |
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{ |
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TInt err=TestStackUsage(); |
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return err; |
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} |
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/** This sanity test method is executed in Test() to verify that UPT StackUsageL() method in |
0
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this class are stable before any of the stack size performance tests are carried out |
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@return KErrNone if command was prepared correctly and system wide error code otherwise. |
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*/ |
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TInt CApiCallTest::TestStackUsage() |
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{ |
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TInt err=KErrNone; |
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#ifndef __WINSCW__ |
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err=KErrGeneral; |
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TInt32 stackBase=0; |
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TInt32 before=0; |
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TInt fooSize=400; |
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TBool doStack=ETrue; |
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|
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//TTeUptStackInfo::MarkInitialStack(doStack, stackBase, before); |
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__MARK_INITIAL_STACK(doStack, stackBase, before); |
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foo(); |
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// TTeUptStackInfo::ReturnStackSize(doStack, stackBase, before, fooSize); |
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__RETURN_STACK_SIZE(doStack, stackBase, before, fooSize); |
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|
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if(fooSize==400) |
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err=KErrNone; |
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else |
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err=fooSize; |
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#endif |
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|
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return err; |
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} |
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|
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