1 //===-- Metric.h ------------------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef __PerfTestDriver__Metric__ 11 #define __PerfTestDriver__Metric__ 12 13 #include <vector> 14 #include <string> 15 #include <mach/task_info.h> 16 17 namespace lldb_perf { 18 19 class MemoryStats; 20 21 template <class ValueType> 22 class Metric 23 { 24 public: 25 enum class StandardDeviationMode 26 { 27 eSample, 28 ePopulation 29 }; 30 31 Metric (); 32 Metric (const char*, const char* = NULL); 33 34 void 35 Append (ValueType v); 36 37 ValueType 38 GetAverage () const; 39 40 size_t 41 GetCount () const; 42 43 ValueType 44 GetSum () const; 45 46 ValueType 47 GetStandardDeviation (StandardDeviationMode mode = StandardDeviationMode::ePopulation) const; 48 49 const char* 50 GetName () const 51 { 52 if (m_name.empty()) 53 return NULL; 54 return m_name.c_str(); 55 } 56 57 const char* 58 GetDescription () const 59 { 60 if (m_description.empty()) 61 return NULL; 62 return m_description.c_str(); 63 } 64 65 private: 66 std::string m_name; 67 std::string m_description; 68 std::vector<ValueType> m_dataset; 69 }; 70 } 71 72 #endif /* defined(__PerfTestDriver__Metric__) */ 73
