git.m6w6.name Git - m6w6/libmemcached/blob - clients/ms_stats.h

   1 /*
   2  * File:   ms_stats.h
   3  * Author: Mingqiang Zhuang
   4  *
   5  * Created on March 25, 2009
   6  *
   7  * (c) Copyright 2009, Schooner Information Technology, Inc.
   8  * http://www.schoonerinfotech.com/
   9  *
  10  */
  11 #ifndef MS_STAT_H
  12 #define MS_STAT_H
  13
  14 #include <math.h>
  15 #include <unistd.h>
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <stdint.h>
  19 #include <string.h>
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 /* statistic structure of response time */
  26 typedef struct
  27 {
  28   char *name;
  29   uint64_t total_time;
  30   uint64_t min_time;
  31   uint64_t max_time;
  32   uint64_t get_miss;
  33   uint64_t dist[65];
  34   double squares;
  35   double log_product;
  36
  37   uint64_t period_min_time;
  38   uint64_t period_max_time;
  39   uint64_t pre_get_miss;
  40   uint64_t pre_events;
  41   uint64_t pre_total_time;
  42   uint64_t pre_squares;
  43   double pre_log_product;
  44 } ms_stat_t;
  45
  46 /* initialize statistic */
  47 void ms_init_stats(ms_stat_t *stat, const char *name);
  48
  49
  50 /* record one event */
  51 void ms_record_event(ms_stat_t *stat, uint64_t time, int get_miss);
  52
  53
  54 /* dump the statistics */
  55 void ms_dump_stats(ms_stat_t *stat);
  56
  57
  58 /* dump the format statistics */
  59 void ms_dump_format_stats(ms_stat_t *stat,
  60                           int run_time,
  61                           int freq,
  62                           int obj_size);
  63
  64
  65 #ifdef __cplusplus
  66 }
  67 #endif
  68
  69 #endif  /* MS_STAT_H */