1 | #pragma once |
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2 | |
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3 | // #define CFA_STATS_ARRAY 10000 |
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4 | // #define __CFA_NO_STATISTICS__ |
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5 | |
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6 | #include <stdint.h> |
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7 | |
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8 | enum { |
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9 | CFA_STATS_READY_Q = 0x01, |
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10 | CFA_STATS_IO = 0x02, |
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11 | }; |
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12 | |
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13 | #if defined(__CFA_NO_STATISTICS__) |
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14 | struct __stats_t; |
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15 | static inline void __init_stats( struct __stats_t * ) {} |
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16 | static inline void __tally_stats( struct __stats_t *, struct __stats_t * ) {} |
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17 | static inline void __print_stats( struct __stats_t *, int, const char *, const char *, void * ) {} |
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18 | #else |
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19 | struct __stats_readyQ_pop_t { |
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20 | // number of attemps at poping something |
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21 | volatile uint64_t attempt; |
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22 | |
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23 | // number of successes at poping |
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24 | volatile uint64_t success; |
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25 | }; |
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26 | |
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27 | struct __attribute__((aligned(64))) __stats_readyQ_t { |
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28 | // Push statistic |
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29 | struct { |
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30 | struct { |
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31 | // number of attemps at pushing something to preferred queues |
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32 | volatile uint64_t attempt; |
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33 | |
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34 | // number of successes at pushing to preferred queues |
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35 | volatile uint64_t success; |
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36 | } |
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37 | // Stats for local queue within cluster |
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38 | local, |
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39 | |
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40 | // Stats for non-local queues within cluster |
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41 | share, |
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42 | |
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43 | // Stats from outside cluster |
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44 | extrn; |
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45 | } push; |
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46 | |
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47 | // Pop statistic |
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48 | struct { |
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49 | // pop from local queue |
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50 | __stats_readyQ_pop_t local; |
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51 | |
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52 | // pop before looking at local queue |
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53 | __stats_readyQ_pop_t help; |
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54 | |
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55 | // pop from some other queue |
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56 | __stats_readyQ_pop_t steal; |
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57 | |
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58 | // pop when searching queues sequentially |
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59 | __stats_readyQ_pop_t search; |
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60 | } pop; |
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61 | |
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62 | struct { |
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63 | volatile uint64_t migration; |
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64 | volatile uint64_t extunpark; |
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65 | volatile int64_t threads; // number of threads in the system, includes only local change |
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66 | volatile int64_t cthreads; // number of threads in the system, includes only local change |
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67 | struct { |
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68 | volatile uint64_t yield; |
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69 | volatile uint64_t rllfwd; |
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70 | } preempt; |
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71 | } threads; |
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72 | struct { |
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73 | volatile uint64_t halts; |
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74 | volatile uint64_t cancels; |
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75 | volatile uint64_t early; |
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76 | volatile uint64_t wakes; |
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77 | volatile uint64_t seen; |
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78 | volatile uint64_t exits; |
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79 | } sleep; |
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80 | }; |
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81 | |
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82 | #if defined(CFA_HAVE_LINUX_IO_URING_H) |
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83 | struct __attribute__((aligned(64))) __stats_io_t{ |
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84 | struct { |
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85 | volatile uint64_t fast; |
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86 | volatile uint64_t slow; |
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87 | volatile uint64_t fail; |
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88 | volatile uint64_t revoke; |
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89 | volatile uint64_t block; |
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90 | } alloc; |
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91 | struct { |
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92 | volatile uint64_t fast; |
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93 | volatile uint64_t slow; |
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94 | volatile uint64_t eagr; |
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95 | volatile uint64_t nblk; |
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96 | volatile uint64_t extr; |
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97 | } submit; |
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98 | struct { |
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99 | volatile uint64_t external; |
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100 | volatile uint64_t signal; |
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101 | volatile uint64_t dirty; |
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102 | volatile uint64_t full; |
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103 | volatile uint64_t idle; |
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104 | volatile uint64_t eager; |
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105 | } flush; |
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106 | struct { |
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107 | volatile uint64_t drain; |
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108 | volatile uint64_t completed; |
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109 | volatile uint64_t locked; |
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110 | volatile uint64_t helped; |
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111 | volatile uint64_t flush; |
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112 | volatile uint64_t submitted; |
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113 | struct { |
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114 | volatile uint64_t busy; |
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115 | } errors; |
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116 | } calls; |
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117 | struct { |
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118 | volatile uint64_t sleeps; |
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119 | } poller; |
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120 | struct { |
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121 | volatile uint64_t sockread; |
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122 | volatile uint64_t epllread; |
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123 | volatile uint64_t sockwrite; |
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124 | volatile uint64_t epllwrite; |
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125 | } ops; |
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126 | }; |
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127 | #endif |
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128 | |
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129 | #if defined(CFA_STATS_ARRAY) |
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130 | struct __stats_elem_t { |
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131 | long long int ts; |
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132 | int64_t value; |
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133 | }; |
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134 | #endif |
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135 | |
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136 | struct __attribute__((aligned(64))) __stats_t { |
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137 | __stats_readyQ_t ready; |
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138 | #if defined(CFA_HAVE_LINUX_IO_URING_H) |
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139 | __stats_io_t io; |
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140 | #endif |
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141 | |
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142 | #if defined(CFA_STATS_ARRAY) |
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143 | struct { |
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144 | __stats_elem_t * values; |
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145 | volatile size_t cnt; |
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146 | } array; |
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147 | #endif |
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148 | |
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149 | }; |
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150 | |
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151 | void __init_stats ( struct __stats_t * ); |
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152 | void __tally_stats( struct __stats_t *, struct __stats_t * ); |
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153 | void __print_stats( struct __stats_t *, int, const char *, const char *, void * ); |
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154 | #if defined(CFA_STATS_ARRAY) |
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155 | void __push_stat ( struct __stats_t *, int64_t value, bool external, const char * name, void * handle); |
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156 | void __flush_stat( struct __stats_t *, const char *, void * ); |
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157 | #else |
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158 | static inline void __push_stat ( struct __stats_t *, int64_t, bool, const char *, void * ) {} |
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159 | static inline void __flush_stat( struct __stats_t *, const char *, void * ) {} |
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160 | #endif |
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161 | #endif |
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162 | |
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