git.m6w6.name Git - awesomized/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     char *      name;
  28     uint64_t    total_time;
  29     uint64_t    min_time;
  30     uint64_t    max_time;
  31     uint64_t    get_miss;
  32     uint64_t    dist[65];
  33     double      squares;
  34     double      log_product;
  35
  36     uint64_t    period_min_time;
  37     uint64_t    period_max_time;
  38     uint64_t    pre_get_miss;
  39     uint64_t    pre_events;
  40     uint64_t    pre_total_time;
  41     uint64_t    pre_squares;
  42     double      pre_log_product;
  43 } ms_stat_t;
  44
  45 /* initialize statistic */
  46 void ms_init_stats(ms_stat_t *stat, const char *name);
  47
  48 /* record one event */
  49 void ms_record_event(ms_stat_t *stat, uint64_t time, int get_miss);
  50
  51 /* dump the statistics */
  52 void ms_dump_stats(ms_stat_t *stat);
  53
  54 /* dump the format statistics */
  55 void ms_dump_format_stats(ms_stat_t *stat, int run_time,
  56                           int freq, int obj_size);
  57
  58 #ifdef __cplusplus
  59 }
  60 #endif
  61
  62 #endif  /* MS_STAT_H */