llmetricperformancetester.h
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- /**
- * @file LLMetricPerformanceTester.h
- * @brief LLMetricPerformanceTester class definition
- *
- * $LicenseInfo:firstyear=2004&license=viewergpl$
- *
- * Copyright (c) 2004-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
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- */
- #ifndef LL_METRICPERFORMANCETESTER_H
- #define LL_METRICPERFORMANCETESTER_H
- class LLMetricPerformanceTester
- {
- public:
- //
- //name passed to the constructor is a unique string for each tester.
- //an error is reported if the name is already used by some other tester.
- //
- LLMetricPerformanceTester(std::string name, BOOL use_default_performance_analysis) ;
- virtual ~LLMetricPerformanceTester();
- //
- //return the name of the tester
- //
- std::string getName() const { return mName ;}
- //
- //return the number of the test metrics in this tester
- //
- S32 getNumOfMetricStrings() const { return mMetricStrings.size() ;}
- //
- //return the metric string at the index
- //
- const std::string& getMetricString(U32 index) const ;
- //
- //this function to compare the test results.
- //by default, it compares the test results against the baseline one by one, item by item,
- //in the increasing order of the LLSD label counter, starting from the first one.
- //you can define your own way to analyze performance by passing FALSE to "use_default_performance_analysis",
- //and implement two abstract virtual functions below: loadTestSession(...) and compareTestSessions(...).
- //
- void analyzePerformance(std::ofstream* os, LLSD* base, LLSD* current) ;
- protected:
- //
- //insert metric strings used in the tester.
- //
- void addMetricString(std::string str) ;
- //
- //increase LLSD label by 1
- //
- void incLabel() ;
- //
- //the function to write a set of test results to the log LLSD.
- //
- void outputTestResults() ;
- //
- //compare the test results.
- //you can write your own to overwrite the default one.
- //
- virtual void compareTestResults(std::ofstream* os, std::string metric_string, S32 v_base, S32 v_current) ;
- virtual void compareTestResults(std::ofstream* os, std::string metric_string, F32 v_base, F32 v_current) ;
- //
- //for performance analysis use
- //it defines an interface for the two abstract virtual functions loadTestSession(...) and compareTestSessions(...).
- //please make your own test session class derived from it.
- //
- class LLTestSession
- {
- public:
- virtual ~LLTestSession() ;
- };
- //
- //load a test session for log LLSD
- //you need to implement it only when you define your own way to analyze performance.
- //otherwise leave it empty.
- //
- virtual LLMetricPerformanceTester::LLTestSession* loadTestSession(LLSD* log) = 0 ;
- //
- //compare the base session and the target session
- //you need to implement it only when you define your own way to analyze performance.
- //otherwise leave it empty.
- //
- virtual void compareTestSessions(std::ofstream* os) = 0 ;
- //
- //the function to write a set of test results to the log LLSD.
- //you have to write you own version of this function.
- //
- virtual void outputTestRecord(LLSD* sd) = 0 ;
- private:
- void preOutputTestResults(LLSD* sd) ;
- void postOutputTestResults(LLSD* sd) ;
- void prePerformanceAnalysis() ;
- protected:
- //
- //the unique name string of the tester
- //
- std::string mName ;
- //
- //the current label counter for the log LLSD
- //
- std::string mCurLabel ;
- S32 mCount ;
- BOOL mUseDefaultPerformanceAnalysis ;
- LLTestSession* mBaseSessionp ;
- LLTestSession* mCurrentSessionp ;
- //metrics strings
- std::vector< std::string > mMetricStrings ;
- //static members
- private:
- static void addTester(LLMetricPerformanceTester* tester) ;
- public:
- typedef std::map< std::string, LLMetricPerformanceTester* > name_tester_map_t;
- static name_tester_map_t sTesterMap ;
- static LLMetricPerformanceTester* getTester(std::string label) ;
- static BOOL hasMetricPerformanceTesters() {return !sTesterMap.empty() ;}
- static void initClass() ;
- static void cleanClass() ;
- };
- #endif