src/StatCounters.h

   1 /*
   2  * Copyright (C) 1996-2014 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef STATCOUNTERS_H_
  10 #define STATCOUNTERS_H_
  11
  12 #include "StatHist.h"
  13
  14 #if USE_CACHE_DIGESTS
  15 /** statistics for cache digests and other hit "predictors" */
  16 class CacheDigestGuessStats
  17 {
  18 public:
  19     int trueHits;
  20     int falseHits;
  21     int trueMisses;
  22     int falseMisses;
  23     int closeHits;     /// \todo: temporary remove it later
  24 };
  25 #endif
  26
  27 /** General collection of process-wide statistics.
  28  *
  29  * \note if you add a field to StatCounters,
  30  * you MUST sync statCountersInitSpecial, statCountersClean, and statCountersCopy
  31  */
  32 class StatCounters
  33 {
  34 public:
  35     struct {
  36         int clients;
  37         int requests;
  38         int hits;
  39         int mem_hits;
  40         int disk_hits;
  41         int errors;
  42         kb_t kbytes_in;
  43         kb_t kbytes_out;
  44         kb_t hit_kbytes_out;
  45         StatHist missSvcTime;
  46         StatHist nearMissSvcTime;
  47         StatHist nearHitSvcTime;
  48         StatHist hitSvcTime;
  49         StatHist allSvcTime;
  50     } client_http;
  51
  52     struct {
  53
  54         struct {
  55             int requests;
  56             int errors;
  57             kb_t kbytes_in;
  58             kb_t kbytes_out;
  59         } all , http, ftp, other;
  60     } server;
  61
  62     struct {
  63         int pkts_sent;
  64         int queries_sent;
  65         int replies_sent;
  66         int pkts_recv;
  67         int queries_recv;
  68         int replies_recv;
  69         int hits_sent;
  70         int hits_recv;
  71         int replies_queued;
  72         int replies_dropped;
  73         kb_t kbytes_sent;
  74         kb_t q_kbytes_sent;
  75         kb_t r_kbytes_sent;
  76         kb_t kbytes_recv;
  77         kb_t q_kbytes_recv;
  78         kb_t r_kbytes_recv;
  79         StatHist querySvcTime;
  80         StatHist replySvcTime;
  81         int query_timeouts;
  82         int times_used;
  83     } icp;
  84
  85     struct {
  86         int pkts_sent;
  87         int pkts_recv;
  88     } htcp;
  89
  90     struct {
  91         int requests;
  92     } unlink;
  93
  94     struct {
  95         StatHist svcTime;
  96     } dns;
  97
  98     struct {
  99         int times_used;
 100         kb_t kbytes_sent;
 101         kb_t kbytes_recv;
 102         kb_t memory;
 103         int msgs_sent;
 104         int msgs_recv;
 105 #if USE_CACHE_DIGESTS
 106
 107         CacheDigestGuessStats guess;
 108 #endif
 109
 110         StatHist on_xition_count;
 111     } cd;
 112
 113     struct {
 114         int times_used;
 115     } netdb;
 116     int page_faults;
 117     unsigned long int select_loops;
 118     int select_fds;
 119     double select_time;
 120     double cputime;
 121
 122     struct timeval timestamp;
 123     StatHist comm_udp_incoming;
 124     StatHist comm_dns_incoming;
 125     StatHist comm_tcp_incoming;
 126     StatHist select_fds_hist;
 127
 128     struct {
 129         struct {
 130             int opens;
 131             int closes;
 132             int reads;
 133             int writes;
 134             int seeks;
 135             int unlinks;
 136         } disk;
 137
 138         struct {
 139             int accepts;
 140             int sockets;
 141             int connects;
 142             int binds;
 143             int closes;
 144             int reads;
 145             int writes;
 146             int recvfroms;
 147             int sendtos;
 148         } sock;
 149         int selects;
 150     } syscalls;
 151     int aborted_requests;
 152
 153     struct {
 154         int files_cleaned;
 155         int outs;
 156         int ins;
 157     } swap;
 158
 159 private:
 160 };
 161
 162 extern StatCounters statCounter;
 163
 164 #endif /* STATCOUNTERS_H_ */