src/rx/rx_stats.h

   1 /*
   2  * Copyright (c) 2010 Your File System Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 /* rx_stats.h
  26  *
  27  * These are internal structures used by the rx statistics code. Nothing
  28  * in this file should be visible outside the RX module.
  29  */
  30
  31 /* We memcpy between rx_statisticsAtomic and rx_statistics, so the two
  32  * structures must have the same elements, and sizeof(rx_atomic_t) must
  33  * equal sizeof(int)
  34  */
  35
  36 struct rx_statisticsAtomic {    /* Atomic version of rx_statistics */
  37     rx_atomic_t packetRequests;
  38     rx_atomic_t receivePktAllocFailures;
  39     rx_atomic_t sendPktAllocFailures;
  40     rx_atomic_t specialPktAllocFailures;
  41     rx_atomic_t socketGreedy;
  42     rx_atomic_t bogusPacketOnRead;
  43     int bogusHost;
  44     rx_atomic_t noPacketOnRead;
  45     rx_atomic_t noPacketBuffersOnRead;
  46     rx_atomic_t selects;
  47     rx_atomic_t sendSelects;
  48     rx_atomic_t packetsRead[RX_N_PACKET_TYPES];
  49     rx_atomic_t dataPacketsRead;
  50     rx_atomic_t ackPacketsRead;
  51     rx_atomic_t dupPacketsRead;
  52     rx_atomic_t spuriousPacketsRead;
  53     rx_atomic_t packetsSent[RX_N_PACKET_TYPES];
  54     rx_atomic_t ackPacketsSent;
  55     rx_atomic_t pingPacketsSent;
  56     rx_atomic_t abortPacketsSent;
  57     rx_atomic_t busyPacketsSent;
  58     rx_atomic_t dataPacketsSent;
  59     rx_atomic_t dataPacketsReSent;
  60     rx_atomic_t dataPacketsPushed;
  61     rx_atomic_t ignoreAckedPacket;
  62     struct clock totalRtt;
  63     struct clock minRtt;
  64     struct clock maxRtt;
  65     rx_atomic_t nRttSamples;
  66     rx_atomic_t nServerConns;
  67     rx_atomic_t nClientConns;
  68     rx_atomic_t nPeerStructs;
  69     rx_atomic_t nCallStructs;
  70     rx_atomic_t nFreeCallStructs;
  71     rx_atomic_t netSendFailures;
  72     rx_atomic_t fatalErrors;
  73     rx_atomic_t ignorePacketDally;
  74     rx_atomic_t receiveCbufPktAllocFailures;
  75     rx_atomic_t sendCbufPktAllocFailures;
  76     rx_atomic_t nBusies;
  77     rx_atomic_t spares[4];
  78 };
  79
  80 #if defined(RX_ENABLE_LOCKS)
  81 extern afs_kmutex_t rx_stats_mutex;
  82 #endif
  83
  84 extern struct rx_statisticsAtomic rx_stats;
  85
  86 extern void rxi_ResetStatistics(void);