git.m6w6.name Git - m6w6/libmemcached/blob - src/bin/contrib/memaslap/ms_stats.h

   1 /*
   2     +--------------------------------------------------------------------+
   3     | libmemcached - C/C++ Client Library for memcached                  |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted under the terms of the BSD license.    |
   7     | You should have received a copy of the license in a bundled file   |
   8     | named LICENSE; in case you did not receive a copy you can review   |
   9     | the terms online at: https://opensource.org/licenses/BSD-3-Clause  |
  10     +--------------------------------------------------------------------+
  11     | Copyright (c) 2006-2014 Brian Aker   https://datadifferential.com/ |
  12     | Copyright (c) 2020 Michael Wallner   <mike@php.net>                |
  13     +--------------------------------------------------------------------+
  14 */
  15
  16 #ifndef MS_STAT_H
  17 #define MS_STAT_H
  18
  19 #include <math.h>
  20 #include <unistd.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <stdint.h>
  24 #include <string.h>
  25
  26 #ifdef __cplusplus
  27 extern "C" {
  28 #endif
  29
  30 /* statistic structure of response time */
  31 typedef struct {
  32   char *name;
  33   uint64_t total_time;
  34   uint64_t min_time;
  35   uint64_t max_time;
  36   uint64_t get_miss;
  37   uint64_t dist[65];
  38   double squares;
  39   double log_product;
  40
  41   uint64_t period_min_time;
  42   uint64_t period_max_time;
  43   uint64_t pre_get_miss;
  44   uint64_t pre_events;
  45   uint64_t pre_total_time;
  46   uint64_t pre_squares;
  47   double pre_log_product;
  48 } ms_stat_t;
  49
  50 /* initialize statistic */
  51 void ms_init_stats(ms_stat_t *stat, const char *name);
  52
  53 /* record one event */
  54 void ms_record_event(ms_stat_t *stat, uint64_t time, int get_miss);
  55
  56 /* dump the statistics */
  57 void ms_dump_stats(ms_stat_t *stat);
  58
  59 /* dump the format statistics */
  60 void ms_dump_format_stats(ms_stat_t *stat, int run_time, int freq, int obj_size);
  61
  62 #ifdef __cplusplus
  63 }
  64 #endif
  65
  66 #endif /* MS_STAT_H */