1 | #pragma once |
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2 | |
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3 | #include <stdint.h> |
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4 | |
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5 | enum { |
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6 | CFA_STATS_READY_Q = 0x01, |
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7 | CFA_STATS_IO = 0x02, |
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8 | }; |
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9 | |
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10 | #if defined(__CFA_NO_STATISTICS__) |
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11 | struct __stats_t; |
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12 | static inline void __init_stats( struct __stats_t * ) {} |
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13 | static inline void __tally_stats( struct __stats_t *, struct __stats_t * ) {} |
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14 | static inline void __print_stats( struct __stats_t *, int, const char *, const char *, void * ) {} |
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15 | #else |
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16 | |
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17 | struct __attribute__((aligned(64))) __stats_readQ_t { |
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18 | struct { |
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19 | // Push statistic |
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20 | struct { |
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21 | // number of attemps at pushing something |
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22 | volatile uint64_t attempt; |
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23 | |
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24 | // number of successes at pushing |
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25 | volatile uint64_t success; |
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26 | |
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27 | // number of attemps at pushing something to preferred queues |
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28 | volatile uint64_t local; |
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29 | |
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30 | // number of successes at pushing to preferred queues |
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31 | volatile uint64_t lsuccess; |
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32 | } push; |
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33 | |
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34 | // Pop statistic |
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35 | struct { |
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36 | // number of reads of the mask |
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37 | // picking an empty __cfa_readyQ_mask_t counts here |
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38 | // but not as an attempt |
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39 | volatile uint64_t probe; |
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40 | |
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41 | // number of attemps at poping something |
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42 | volatile uint64_t attempt; |
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43 | |
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44 | // number of successes at poping |
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45 | volatile uint64_t success; |
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46 | |
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47 | // number of attemps at poping something to preferred queues |
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48 | volatile uint64_t local; |
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49 | |
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50 | // number of successes at poping to preferred queues |
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51 | volatile uint64_t lsuccess; |
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52 | } pop; |
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53 | } pick; |
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54 | struct { |
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55 | volatile uint64_t migration; |
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56 | } threads; |
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57 | struct { |
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58 | volatile uint64_t halts; |
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59 | volatile uint64_t cancels; |
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60 | volatile uint64_t wakes; |
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61 | volatile uint64_t exits; |
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62 | } sleep; |
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63 | }; |
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64 | |
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65 | #if defined(CFA_HAVE_LINUX_IO_URING_H) |
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66 | struct __attribute__((aligned(64))) __stats_io_t{ |
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67 | struct { |
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68 | struct { |
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69 | volatile uint64_t rdy; |
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70 | volatile uint64_t csm; |
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71 | volatile uint64_t avl; |
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72 | volatile uint64_t cnt; |
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73 | } submit_avg; |
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74 | struct { |
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75 | volatile uint64_t val; |
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76 | volatile uint64_t cnt; |
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77 | volatile uint64_t block; |
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78 | } look_avg; |
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79 | struct { |
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80 | volatile uint64_t val; |
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81 | volatile uint64_t cnt; |
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82 | volatile uint64_t block; |
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83 | } alloc_avg; |
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84 | volatile uint64_t helped; |
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85 | volatile uint64_t leader; |
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86 | volatile uint64_t busy; |
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87 | } submit_q; |
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88 | struct { |
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89 | struct { |
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90 | volatile uint64_t val; |
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91 | volatile uint64_t cnt; |
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92 | } completed_avg; |
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93 | volatile uint64_t blocks; |
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94 | } complete_q; |
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95 | }; |
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96 | #endif |
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97 | |
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98 | struct __attribute__((aligned(128))) __stats_t { |
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99 | __stats_readQ_t ready; |
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100 | #if defined(CFA_HAVE_LINUX_IO_URING_H) |
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101 | __stats_io_t io; |
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102 | #endif |
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103 | }; |
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104 | |
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105 | void __init_stats ( struct __stats_t * ); |
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106 | void __tally_stats( struct __stats_t *, struct __stats_t * ); |
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107 | void __print_stats( struct __stats_t *, int, const char *, const char *, void * ); |
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108 | #endif |
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109 | |
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