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Diffstat (limited to 'indra/llcommon/llmetricperformancetester.h')
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1 files changed, 206 insertions, 0 deletions
diff --git a/indra/llcommon/llmetricperformancetester.h b/indra/llcommon/llmetricperformancetester.h new file mode 100644 index 0000000000..925010ac96 --- /dev/null +++ b/indra/llcommon/llmetricperformancetester.h @@ -0,0 +1,206 @@ +/** + * @file llmetricperformancetester.h + * @brief LLMetricPerformanceTesterBasic and LLMetricPerformanceTesterWithSession classes definition + * + * $LicenseInfo:firstyear=2004&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LL_METRICPERFORMANCETESTER_H +#define LL_METRICPERFORMANCETESTER_H + +const std::string DEFAULT_METRIC_NAME("metric"); + +/** + * @class LLMetricPerformanceTesterBasic + * @brief Performance Metric Base Class + */ +class LL_COMMON_API LLMetricPerformanceTesterBasic +{ +public: + /** + * @brief Creates a basic tester instance. + * @param[in] name - Unique string identifying this tester instance. + */ + LLMetricPerformanceTesterBasic(std::string name); + virtual ~LLMetricPerformanceTesterBasic(); + + /** + * @return Returns true if the instance has been added to the tester map. + * Need to be tested after creation of a tester instance so to know if the tester is correctly handled. + * A tester might not be added to the map if another tester with the same name already exists. + */ + BOOL isValid() const { return mValidInstance; } + + /** + * @brief Write a set of test results to the log LLSD. + */ + void outputTestResults() ; + + /** + * @brief Compare the test results. + * By default, compares the test results against the baseline one by one, item by item, + * in the increasing order of the LLSD record counter, starting from the first one. + */ + virtual void analyzePerformance(std::ofstream* os, LLSD* base, LLSD* current) ; + + /** + * @return Returns the number of the test metrics in this tester instance. + */ + S32 getNumberOfMetrics() const { return mMetricStrings.size() ;} + /** + * @return Returns the metric name at index + * @param[in] index - Index on the list of metrics managed by this tester instance. + */ + std::string getMetricName(S32 index) const { return mMetricStrings[index] ;} + +protected: + /** + * @return Returns the name of this tester instance. + */ + std::string getTesterName() const { return mName ;} + + /** + * @brief Insert a new metric to be managed by this tester instance. + * @param[in] str - Unique string identifying the new metric. + */ + void addMetric(std::string str) ; + + /** + * @brief Compare test results, provided in 2 flavors: compare integers and compare floats. + * @param[out] os - Formatted output string holding the compared values. + * @param[in] metric_string - Name of the metric. + * @param[in] v_base - Base value of the metric. + * @param[in] v_current - Current value of the metric. + */ + 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) ; + + /** + * @brief Reset internal record count. Count starts with 1. + */ + void resetCurrentCount() { mCount = 1; } + /** + * @brief Increment internal record count. + */ + void incrementCurrentCount() { mCount++; } + /** + * @return Returns the label to be used for the current count. It's "TesterName"-"Count". + */ + std::string getCurrentLabelName() const { return llformat("%s-%d", mName.c_str(), mCount) ;} + + /** + * @brief Write a test record to the LLSD. Implementers need to overload this method. + * @param[out] sd - The LLSD record to store metric data into. + */ + virtual void outputTestRecord(LLSD* sd) = 0 ; + +private: + void preOutputTestResults(LLSD* sd) ; + void postOutputTestResults(LLSD* sd) ; + + std::string mName ; // Name of this tester instance + S32 mCount ; // Current record count + BOOL mValidInstance; // TRUE if the instance is managed by the map + std::vector< std::string > mMetricStrings ; // Metrics strings + +// Static members managing the collection of testers +public: + // Map of all the tester instances in use + typedef std::map< std::string, LLMetricPerformanceTesterBasic* > name_tester_map_t; + static name_tester_map_t sTesterMap ; + + /** + * @return Returns a pointer to the tester + * @param[in] name - Name of the tester instance queried. + */ + static LLMetricPerformanceTesterBasic* getTester(std::string name) ; + + /** + * @return Returns TRUE if that metric *or* the default catch all metric has been requested to be logged + * @param[in] name - Name of the tester queried. + */ + static BOOL isMetricLogRequested(std::string name); + + /** + * @return Returns TRUE if there's a tester defined, FALSE otherwise. + */ + static BOOL hasMetricPerformanceTesters() { return !sTesterMap.empty() ;} + /** + * @brief Delete all testers and reset the tester map + */ + static void cleanClass() ; + +private: + // Add a tester to the map. Returns false if adding fails. + static BOOL addTester(LLMetricPerformanceTesterBasic* tester) ; +}; + +/** + * @class LLMetricPerformanceTesterWithSession + * @brief Performance Metric Class with custom session + */ +class LL_COMMON_API LLMetricPerformanceTesterWithSession : public LLMetricPerformanceTesterBasic +{ +public: + /** + * @param[in] name - Unique string identifying this tester instance. + */ + LLMetricPerformanceTesterWithSession(std::string name); + virtual ~LLMetricPerformanceTesterWithSession(); + + /** + * @brief Compare the test results. + * This will be loading the base and current sessions and compare them using the virtual + * abstract methods loadTestSession() and compareTestSessions() + */ + virtual void analyzePerformance(std::ofstream* os, LLSD* base, LLSD* current) ; + +protected: + /** + * @class LLMetricPerformanceTesterWithSession::LLTestSession + * @brief Defines an interface for the two abstract virtual functions loadTestSession() and compareTestSessions() + */ + class LL_COMMON_API LLTestSession + { + public: + virtual ~LLTestSession() ; + }; + + /** + * @brief Convert an LLSD log into a test session. + * @param[in] log - The LLSD record + * @return Returns the record as a test session + */ + virtual LLMetricPerformanceTesterWithSession::LLTestSession* loadTestSession(LLSD* log) = 0; + + /** + * @brief Compare the base session and the target session. Assumes base and current sessions have been loaded. + * @param[out] os - The comparison result as a standard stream + */ + virtual void compareTestSessions(std::ofstream* os) = 0; + + LLTestSession* mBaseSessionp; + LLTestSession* mCurrentSessionp; +}; + +#endif + |