doxygen-test/rx__stats_8h_source.html

00001 /*
00002  * Copyright (c) 2010 Your File System Inc. All rights reserved.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions
00006  * are met:
00007  * 1. Redistributions of source code must retain the above copyright
00008  *    notice, this list of conditions and the following disclaimer.
00009  * 2. Redistributions in binary form must reproduce the above copyright
00010  *    notice, this list of conditions and the following disclaimer in the
00011  *    documentation and/or other materials provided with the distribution.
00012  *
00013  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
00014  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00015  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00016  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00017  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00018  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00019  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00020  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00021  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00022  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00023  */
00024
00025 /* rx_stats.h
00026  *
00027  * These are internal structures used by the rx statistics code. Nothing
00028  * in this file should be visible outside the RX module.
00029  */
00030
00031 /* We memcpy between rx_statisticsAtomic and rx_statistics, so the two
00032  * structures must have the same elements, and sizeof(rx_atomic_t) must
00033  * equal sizeof(int)
00034  */
00035
00036 struct rx_statisticsAtomic {    /* Atomic version of rx_statistics */
00037     rx_atomic_t packetRequests;
00038     rx_atomic_t receivePktAllocFailures;
00039     rx_atomic_t sendPktAllocFailures;
00040     rx_atomic_t specialPktAllocFailures;
00041     rx_atomic_t socketGreedy;
00042     rx_atomic_t bogusPacketOnRead;
00043     int bogusHost;
00044     rx_atomic_t noPacketOnRead;
00045     rx_atomic_t noPacketBuffersOnRead;
00046     rx_atomic_t selects;
00047     rx_atomic_t sendSelects;
00048     rx_atomic_t packetsRead[RX_N_PACKET_TYPES];
00049     rx_atomic_t dataPacketsRead;
00050     rx_atomic_t ackPacketsRead;
00051     rx_atomic_t dupPacketsRead;
00052     rx_atomic_t spuriousPacketsRead;
00053     rx_atomic_t packetsSent[RX_N_PACKET_TYPES];
00054     rx_atomic_t ackPacketsSent;
00055     rx_atomic_t pingPacketsSent;
00056     rx_atomic_t abortPacketsSent;
00057     rx_atomic_t busyPacketsSent;
00058     rx_atomic_t dataPacketsSent;
00059     rx_atomic_t dataPacketsReSent;
00060     rx_atomic_t dataPacketsPushed;
00061     rx_atomic_t ignoreAckedPacket;
00062     struct clock totalRtt;
00063     struct clock minRtt;
00064     struct clock maxRtt;
00065     rx_atomic_t nRttSamples;
00066     rx_atomic_t nServerConns;
00067     rx_atomic_t nClientConns;
00068     rx_atomic_t nPeerStructs;
00069     rx_atomic_t nCallStructs;
00070     rx_atomic_t nFreeCallStructs;
00071     rx_atomic_t netSendFailures;
00072     rx_atomic_t fatalErrors;
00073     rx_atomic_t ignorePacketDally;
00074     rx_atomic_t receiveCbufPktAllocFailures;
00075     rx_atomic_t sendCbufPktAllocFailures;
00076     rx_atomic_t nBusies;
00077     rx_atomic_t spares[4];
00078 };
00079
00080 #if defined(RX_ENABLE_LOCKS)
00081 extern afs_kmutex_t rx_stats_mutex;
00082 #endif
00083
00084 extern struct rx_statisticsAtomic rx_stats;
00085
00086 extern void rxi_ResetStatistics(void);