src/dev/etherdevice.cc

   1 /*
   2  * Copyright (c) 2004-2005 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * 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  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Nathan Binkert
  29  *          Lisa Hsu
  30  */
  31
  32 #include "dev/etherdevice.hh"
  33 #include "sim/stats.hh"
  34
  35 void
  36 EtherDevice::regStats()
  37 {
  38     txBytes
  39         .name(name() + ".txBytes")
  40         .desc("Bytes Transmitted")
  41         .prereq(txBytes)
  42         ;
  43
  44     rxBytes
  45         .name(name() + ".rxBytes")
  46         .desc("Bytes Received")
  47         .prereq(rxBytes)
  48         ;
  49
  50     txPackets
  51         .name(name() + ".txPackets")
  52         .desc("Number of Packets Transmitted")
  53         .prereq(txBytes)
  54         ;
  55
  56     rxPackets
  57         .name(name() + ".rxPackets")
  58         .desc("Number of Packets Received")
  59         .prereq(rxBytes)
  60         ;
  61
  62     txIpChecksums
  63         .name(name() + ".txIpChecksums")
  64         .desc("Number of tx IP Checksums done by device")
  65         .precision(0)
  66         .prereq(txBytes)
  67         ;
  68
  69     rxIpChecksums
  70         .name(name() + ".rxIpChecksums")
  71         .desc("Number of rx IP Checksums done by device")
  72         .precision(0)
  73         .prereq(rxBytes)
  74         ;
  75
  76     txTcpChecksums
  77         .name(name() + ".txTcpChecksums")
  78         .desc("Number of tx TCP Checksums done by device")
  79         .precision(0)
  80         .prereq(txBytes)
  81         ;
  82
  83     rxTcpChecksums
  84         .name(name() + ".rxTcpChecksums")
  85         .desc("Number of rx TCP Checksums done by device")
  86         .precision(0)
  87         .prereq(rxBytes)
  88         ;
  89
  90     txUdpChecksums
  91         .name(name() + ".txUdpChecksums")
  92         .desc("Number of tx UDP Checksums done by device")
  93         .precision(0)
  94         .prereq(txBytes)
  95         ;
  96
  97     rxUdpChecksums
  98         .name(name() + ".rxUdpChecksums")
  99         .desc("Number of rx UDP Checksums done by device")
 100         .precision(0)
 101         .prereq(rxBytes)
 102         ;
 103
 104     descDmaReads
 105         .name(name() + ".descDMAReads")
 106         .desc("Number of descriptors the device read w/ DMA")
 107         .precision(0)
 108         ;
 109
 110     descDmaWrites
 111         .name(name() + ".descDMAWrites")
 112         .desc("Number of descriptors the device wrote w/ DMA")
 113         .precision(0)
 114         ;
 115
 116     descDmaRdBytes
 117         .name(name() + ".descDmaReadBytes")
 118         .desc("number of descriptor bytes read w/ DMA")
 119         .precision(0)
 120         ;
 121
 122    descDmaWrBytes
 123         .name(name() + ".descDmaWriteBytes")
 124         .desc("number of descriptor bytes write w/ DMA")
 125         .precision(0)
 126         ;
 127
 128     txBandwidth
 129         .name(name() + ".txBandwidth")
 130         .desc("Transmit Bandwidth (bits/s)")
 131         .precision(0)
 132         .prereq(txBytes)
 133         ;
 134
 135     rxBandwidth
 136         .name(name() + ".rxBandwidth")
 137         .desc("Receive Bandwidth (bits/s)")
 138         .precision(0)
 139         .prereq(rxBytes)
 140         ;
 141
 142     totBandwidth
 143         .name(name() + ".totBandwidth")
 144         .desc("Total Bandwidth (bits/s)")
 145         .precision(0)
 146         .prereq(totBytes)
 147         ;
 148
 149     totPackets
 150         .name(name() + ".totPackets")
 151         .desc("Total Packets")
 152         .precision(0)
 153         .prereq(totBytes)
 154         ;
 155
 156     totBytes
 157         .name(name() + ".totBytes")
 158         .desc("Total Bytes")
 159         .precision(0)
 160         .prereq(totBytes)
 161         ;
 162
 163     totPacketRate
 164         .name(name() + ".totPPS")
 165         .desc("Total Tranmission Rate (packets/s)")
 166         .precision(0)
 167         .prereq(totBytes)
 168         ;
 169
 170     txPacketRate
 171         .name(name() + ".txPPS")
 172         .desc("Packet Tranmission Rate (packets/s)")
 173         .precision(0)
 174         .prereq(txBytes)
 175         ;
 176
 177     rxPacketRate
 178         .name(name() + ".rxPPS")
 179         .desc("Packet Reception Rate (packets/s)")
 180         .precision(0)
 181         .prereq(rxBytes)
 182         ;
 183
 184     postedSwi
 185         .name(name() + ".postedSwi")
 186         .desc("number of software interrupts posted to CPU")
 187         .precision(0)
 188         ;
 189
 190     totalSwi
 191         .name(name() + ".totalSwi")
 192         .desc("total number of Swi written to ISR")
 193         .precision(0)
 194         ;
 195
 196     coalescedSwi
 197         .name(name() + ".coalescedSwi")
 198         .desc("average number of Swi's coalesced into each post")
 199         .precision(0)
 200         ;
 201
 202     postedRxIdle
 203         .name(name() + ".postedRxIdle")
 204         .desc("number of rxIdle interrupts posted to CPU")
 205         .precision(0)
 206         ;
 207
 208     totalRxIdle
 209         .name(name() + ".totalRxIdle")
 210         .desc("total number of RxIdle written to ISR")
 211         .precision(0)
 212         ;
 213
 214     coalescedRxIdle
 215         .name(name() + ".coalescedRxIdle")
 216         .desc("average number of RxIdle's coalesced into each post")
 217         .precision(0)
 218         ;
 219
 220     postedRxOk
 221         .name(name() + ".postedRxOk")
 222         .desc("number of RxOk interrupts posted to CPU")
 223         .precision(0)
 224         ;
 225
 226     totalRxOk
 227         .name(name() + ".totalRxOk")
 228         .desc("total number of RxOk written to ISR")
 229         .precision(0)
 230         ;
 231
 232     coalescedRxOk
 233         .name(name() + ".coalescedRxOk")
 234         .desc("average number of RxOk's coalesced into each post")
 235         .precision(0)
 236         ;
 237
 238     postedRxDesc
 239         .name(name() + ".postedRxDesc")
 240         .desc("number of RxDesc interrupts posted to CPU")
 241         .precision(0)
 242         ;
 243
 244     totalRxDesc
 245         .name(name() + ".totalRxDesc")
 246         .desc("total number of RxDesc written to ISR")
 247         .precision(0)
 248         ;
 249
 250     coalescedRxDesc
 251         .name(name() + ".coalescedRxDesc")
 252         .desc("average number of RxDesc's coalesced into each post")
 253         .precision(0)
 254         ;
 255
 256     postedTxOk
 257         .name(name() + ".postedTxOk")
 258         .desc("number of TxOk interrupts posted to CPU")
 259         .precision(0)
 260         ;
 261
 262     totalTxOk
 263         .name(name() + ".totalTxOk")
 264         .desc("total number of TxOk written to ISR")
 265         .precision(0)
 266         ;
 267
 268     coalescedTxOk
 269         .name(name() + ".coalescedTxOk")
 270         .desc("average number of TxOk's coalesced into each post")
 271         .precision(0)
 272         ;
 273
 274     postedTxIdle
 275         .name(name() + ".postedTxIdle")
 276         .desc("number of TxIdle interrupts posted to CPU")
 277         .precision(0)
 278         ;
 279
 280     totalTxIdle
 281         .name(name() + ".totalTxIdle")
 282         .desc("total number of TxIdle written to ISR")
 283         .precision(0)
 284         ;
 285
 286     coalescedTxIdle
 287         .name(name() + ".coalescedTxIdle")
 288         .desc("average number of TxIdle's coalesced into each post")
 289         .precision(0)
 290         ;
 291
 292     postedTxDesc
 293         .name(name() + ".postedTxDesc")
 294         .desc("number of TxDesc interrupts posted to CPU")
 295         .precision(0)
 296         ;
 297
 298     totalTxDesc
 299         .name(name() + ".totalTxDesc")
 300         .desc("total number of TxDesc written to ISR")
 301         .precision(0)
 302         ;
 303
 304     coalescedTxDesc
 305         .name(name() + ".coalescedTxDesc")
 306         .desc("average number of TxDesc's coalesced into each post")
 307         .precision(0)
 308         ;
 309
 310     postedRxOrn
 311         .name(name() + ".postedRxOrn")
 312         .desc("number of RxOrn posted to CPU")
 313         .precision(0)
 314         ;
 315
 316     totalRxOrn
 317         .name(name() + ".totalRxOrn")
 318         .desc("total number of RxOrn written to ISR")
 319         .precision(0)
 320         ;
 321
 322     coalescedRxOrn
 323         .name(name() + ".coalescedRxOrn")
 324         .desc("average number of RxOrn's coalesced into each post")
 325         .precision(0)
 326         ;
 327
 328     coalescedTotal
 329         .name(name() + ".coalescedTotal")
 330         .desc("average number of interrupts coalesced into each post")
 331         .precision(0)
 332         ;
 333
 334     postedInterrupts
 335         .name(name() + ".postedInterrupts")
 336         .desc("number of posts to CPU")
 337         .precision(0)
 338         ;
 339
 340     droppedPackets
 341         .name(name() + ".droppedPackets")
 342         .desc("number of packets dropped")
 343         .precision(0)
 344         ;
 345
 346     coalescedSwi = totalSwi / postedInterrupts;
 347     coalescedRxIdle = totalRxIdle / postedInterrupts;
 348     coalescedRxOk = totalRxOk / postedInterrupts;
 349     coalescedRxDesc = totalRxDesc / postedInterrupts;
 350     coalescedTxOk = totalTxOk / postedInterrupts;
 351     coalescedTxIdle = totalTxIdle / postedInterrupts;
 352     coalescedTxDesc = totalTxDesc / postedInterrupts;
 353     coalescedRxOrn = totalRxOrn / postedInterrupts;
 354
 355     coalescedTotal = (totalSwi + totalRxIdle + totalRxOk + totalRxDesc +
 356                       totalTxOk + totalTxIdle + totalTxDesc +
 357                       totalRxOrn) / postedInterrupts;
 358
 359     txBandwidth = txBytes * Stats::constant(8) / simSeconds;
 360     rxBandwidth = rxBytes * Stats::constant(8) / simSeconds;
 361     totBandwidth = txBandwidth + rxBandwidth;
 362     totBytes = txBytes + rxBytes;
 363     totPackets = txPackets + rxPackets;
 364
 365     txPacketRate = txPackets / simSeconds;
 366     rxPacketRate = rxPackets / simSeconds;
 367 }