src/dev/net/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/net/etherdevice.hh"
  33
  34 #include "sim/stats.hh"
  35
  36 void
  37 EtherDevice::regStats()
  38 {
  39     PciDevice::regStats();
  40
  41     txBytes
  42         .name(name() + ".txBytes")
  43         .desc("Bytes Transmitted")
  44         .prereq(txBytes)
  45         ;
  46
  47     rxBytes
  48         .name(name() + ".rxBytes")
  49         .desc("Bytes Received")
  50         .prereq(rxBytes)
  51         ;
  52
  53     txPackets
  54         .name(name() + ".txPackets")
  55         .desc("Number of Packets Transmitted")
  56         .prereq(txBytes)
  57         ;
  58
  59     rxPackets
  60         .name(name() + ".rxPackets")
  61         .desc("Number of Packets Received")
  62         .prereq(rxBytes)
  63         ;
  64
  65     txIpChecksums
  66         .name(name() + ".txIpChecksums")
  67         .desc("Number of tx IP Checksums done by device")
  68         .precision(0)
  69         .prereq(txBytes)
  70         ;
  71
  72     rxIpChecksums
  73         .name(name() + ".rxIpChecksums")
  74         .desc("Number of rx IP Checksums done by device")
  75         .precision(0)
  76         .prereq(rxBytes)
  77         ;
  78
  79     txTcpChecksums
  80         .name(name() + ".txTcpChecksums")
  81         .desc("Number of tx TCP Checksums done by device")
  82         .precision(0)
  83         .prereq(txBytes)
  84         ;
  85
  86     rxTcpChecksums
  87         .name(name() + ".rxTcpChecksums")
  88         .desc("Number of rx TCP Checksums done by device")
  89         .precision(0)
  90         .prereq(rxBytes)
  91         ;
  92
  93     txUdpChecksums
  94         .name(name() + ".txUdpChecksums")
  95         .desc("Number of tx UDP Checksums done by device")
  96         .precision(0)
  97         .prereq(txBytes)
  98         ;
  99
 100     rxUdpChecksums
 101         .name(name() + ".rxUdpChecksums")
 102         .desc("Number of rx UDP Checksums done by device")
 103         .precision(0)
 104         .prereq(rxBytes)
 105         ;
 106
 107     descDmaReads
 108         .name(name() + ".descDMAReads")
 109         .desc("Number of descriptors the device read w/ DMA")
 110         .precision(0)
 111         ;
 112
 113     descDmaWrites
 114         .name(name() + ".descDMAWrites")
 115         .desc("Number of descriptors the device wrote w/ DMA")
 116         .precision(0)
 117         ;
 118
 119     descDmaRdBytes
 120         .name(name() + ".descDmaReadBytes")
 121         .desc("number of descriptor bytes read w/ DMA")
 122         .precision(0)
 123         ;
 124
 125     descDmaWrBytes
 126         .name(name() + ".descDmaWriteBytes")
 127         .desc("number of descriptor bytes write w/ DMA")
 128         .precision(0)
 129         ;
 130
 131     txBandwidth
 132         .name(name() + ".txBandwidth")
 133         .desc("Transmit Bandwidth (bits/s)")
 134         .precision(0)
 135         .prereq(txBytes)
 136         ;
 137
 138     rxBandwidth
 139         .name(name() + ".rxBandwidth")
 140         .desc("Receive Bandwidth (bits/s)")
 141         .precision(0)
 142         .prereq(rxBytes)
 143         ;
 144
 145     totBandwidth
 146         .name(name() + ".totBandwidth")
 147         .desc("Total Bandwidth (bits/s)")
 148         .precision(0)
 149         .prereq(totBytes)
 150         ;
 151
 152     totPackets
 153         .name(name() + ".totPackets")
 154         .desc("Total Packets")
 155         .precision(0)
 156         .prereq(totBytes)
 157         ;
 158
 159     totBytes
 160         .name(name() + ".totBytes")
 161         .desc("Total Bytes")
 162         .precision(0)
 163         .prereq(totBytes)
 164         ;
 165
 166     totPacketRate
 167         .name(name() + ".totPPS")
 168         .desc("Total Tranmission Rate (packets/s)")
 169         .precision(0)
 170         .prereq(totBytes)
 171         ;
 172
 173     txPacketRate
 174         .name(name() + ".txPPS")
 175         .desc("Packet Tranmission Rate (packets/s)")
 176         .precision(0)
 177         .prereq(txBytes)
 178         ;
 179
 180     rxPacketRate
 181         .name(name() + ".rxPPS")
 182         .desc("Packet Reception Rate (packets/s)")
 183         .precision(0)
 184         .prereq(rxBytes)
 185         ;
 186
 187     postedSwi
 188         .name(name() + ".postedSwi")
 189         .desc("number of software interrupts posted to CPU")
 190         .precision(0)
 191         ;
 192
 193     totalSwi
 194         .name(name() + ".totalSwi")
 195         .desc("total number of Swi written to ISR")
 196         .precision(0)
 197         ;
 198
 199     coalescedSwi
 200         .name(name() + ".coalescedSwi")
 201         .desc("average number of Swi's coalesced into each post")
 202         .precision(0)
 203         ;
 204
 205     postedRxIdle
 206         .name(name() + ".postedRxIdle")
 207         .desc("number of rxIdle interrupts posted to CPU")
 208         .precision(0)
 209         ;
 210
 211     totalRxIdle
 212         .name(name() + ".totalRxIdle")
 213         .desc("total number of RxIdle written to ISR")
 214         .precision(0)
 215         ;
 216
 217     coalescedRxIdle
 218         .name(name() + ".coalescedRxIdle")
 219         .desc("average number of RxIdle's coalesced into each post")
 220         .precision(0)
 221         ;
 222
 223     postedRxOk
 224         .name(name() + ".postedRxOk")
 225         .desc("number of RxOk interrupts posted to CPU")
 226         .precision(0)
 227         ;
 228
 229     totalRxOk
 230         .name(name() + ".totalRxOk")
 231         .desc("total number of RxOk written to ISR")
 232         .precision(0)
 233         ;
 234
 235     coalescedRxOk
 236         .name(name() + ".coalescedRxOk")
 237         .desc("average number of RxOk's coalesced into each post")
 238         .precision(0)
 239         ;
 240
 241     postedRxDesc
 242         .name(name() + ".postedRxDesc")
 243         .desc("number of RxDesc interrupts posted to CPU")
 244         .precision(0)
 245         ;
 246
 247     totalRxDesc
 248         .name(name() + ".totalRxDesc")
 249         .desc("total number of RxDesc written to ISR")
 250         .precision(0)
 251         ;
 252
 253     coalescedRxDesc
 254         .name(name() + ".coalescedRxDesc")
 255         .desc("average number of RxDesc's coalesced into each post")
 256         .precision(0)
 257         ;
 258
 259     postedTxOk
 260         .name(name() + ".postedTxOk")
 261         .desc("number of TxOk interrupts posted to CPU")
 262         .precision(0)
 263         ;
 264
 265     totalTxOk
 266         .name(name() + ".totalTxOk")
 267         .desc("total number of TxOk written to ISR")
 268         .precision(0)
 269         ;
 270
 271     coalescedTxOk
 272         .name(name() + ".coalescedTxOk")
 273         .desc("average number of TxOk's coalesced into each post")
 274         .precision(0)
 275         ;
 276
 277     postedTxIdle
 278         .name(name() + ".postedTxIdle")
 279         .desc("number of TxIdle interrupts posted to CPU")
 280         .precision(0)
 281         ;
 282
 283     totalTxIdle
 284         .name(name() + ".totalTxIdle")
 285         .desc("total number of TxIdle written to ISR")
 286         .precision(0)
 287         ;
 288
 289     coalescedTxIdle
 290         .name(name() + ".coalescedTxIdle")
 291         .desc("average number of TxIdle's coalesced into each post")
 292         .precision(0)
 293         ;
 294
 295     postedTxDesc
 296         .name(name() + ".postedTxDesc")
 297         .desc("number of TxDesc interrupts posted to CPU")
 298         .precision(0)
 299         ;
 300
 301     totalTxDesc
 302         .name(name() + ".totalTxDesc")
 303         .desc("total number of TxDesc written to ISR")
 304         .precision(0)
 305         ;
 306
 307     coalescedTxDesc
 308         .name(name() + ".coalescedTxDesc")
 309         .desc("average number of TxDesc's coalesced into each post")
 310         .precision(0)
 311         ;
 312
 313     postedRxOrn
 314         .name(name() + ".postedRxOrn")
 315         .desc("number of RxOrn posted to CPU")
 316         .precision(0)
 317         ;
 318
 319     totalRxOrn
 320         .name(name() + ".totalRxOrn")
 321         .desc("total number of RxOrn written to ISR")
 322         .precision(0)
 323         ;
 324
 325     coalescedRxOrn
 326         .name(name() + ".coalescedRxOrn")
 327         .desc("average number of RxOrn's coalesced into each post")
 328         .precision(0)
 329         ;
 330
 331     coalescedTotal
 332         .name(name() + ".coalescedTotal")
 333         .desc("average number of interrupts coalesced into each post")
 334         .precision(0)
 335         ;
 336
 337     postedInterrupts
 338         .name(name() + ".postedInterrupts")
 339         .desc("number of posts to CPU")
 340         .precision(0)
 341         ;
 342
 343     droppedPackets
 344         .name(name() + ".droppedPackets")
 345         .desc("number of packets dropped")
 346         .precision(0)
 347         ;
 348
 349     coalescedSwi = totalSwi / postedInterrupts;
 350     coalescedRxIdle = totalRxIdle / postedInterrupts;
 351     coalescedRxOk = totalRxOk / postedInterrupts;
 352     coalescedRxDesc = totalRxDesc / postedInterrupts;
 353     coalescedTxOk = totalTxOk / postedInterrupts;
 354     coalescedTxIdle = totalTxIdle / postedInterrupts;
 355     coalescedTxDesc = totalTxDesc / postedInterrupts;
 356     coalescedRxOrn = totalRxOrn / postedInterrupts;
 357
 358     coalescedTotal = (totalSwi + totalRxIdle + totalRxOk + totalRxDesc +
 359                       totalTxOk + totalTxIdle + totalTxDesc +
 360                       totalRxOrn) / postedInterrupts;
 361
 362     txBandwidth = txBytes * Stats::constant(8) / simSeconds;
 363     rxBandwidth = rxBytes * Stats::constant(8) / simSeconds;
 364     totBandwidth = txBandwidth + rxBandwidth;
 365     totBytes = txBytes + rxBytes;
 366     totPackets = txPackets + rxPackets;
 367
 368     txPacketRate = txPackets / simSeconds;
 369     rxPacketRate = rxPackets / simSeconds;
 370     totPacketRate = totPackets / simSeconds;
 371 }