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authorNathan Binkert <nate@binkert.org>2008-06-17 22:22:44 -0700
committerNathan Binkert <nate@binkert.org>2008-06-17 22:22:44 -0700
commit1099a9838abcb158b47714c800a9666eb82c97ea (patch)
tree8dc6583a868b38c8219e5cec820ebab1cd53e533 /src/dev/etherdevice.cc
parent87d03d00cd204346efb162c89375be724707e5a6 (diff)
downloadgem5-1099a9838abcb158b47714c800a9666eb82c97ea.tar.xz
Ethernet: share statistics between all ethernet devices and apply some
of those statistics to the e1000 model.
Diffstat (limited to 'src/dev/etherdevice.cc')
-rw-r--r--src/dev/etherdevice.cc367
1 files changed, 367 insertions, 0 deletions
diff --git a/src/dev/etherdevice.cc b/src/dev/etherdevice.cc
new file mode 100644
index 000000000..5341c02c4
--- /dev/null
+++ b/src/dev/etherdevice.cc
@@ -0,0 +1,367 @@
+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Nathan Binkert
+ * Lisa Hsu
+ */
+
+#include "dev/etherdevice.hh"
+#include "sim/stats.hh"
+
+void
+EtherDevice::regStats()
+{
+ txBytes
+ .name(name() + ".txBytes")
+ .desc("Bytes Transmitted")
+ .prereq(txBytes)
+ ;
+
+ rxBytes
+ .name(name() + ".rxBytes")
+ .desc("Bytes Received")
+ .prereq(rxBytes)
+ ;
+
+ txPackets
+ .name(name() + ".txPackets")
+ .desc("Number of Packets Transmitted")
+ .prereq(txBytes)
+ ;
+
+ rxPackets
+ .name(name() + ".rxPackets")
+ .desc("Number of Packets Received")
+ .prereq(rxBytes)
+ ;
+
+ txIpChecksums
+ .name(name() + ".txIpChecksums")
+ .desc("Number of tx IP Checksums done by device")
+ .precision(0)
+ .prereq(txBytes)
+ ;
+
+ rxIpChecksums
+ .name(name() + ".rxIpChecksums")
+ .desc("Number of rx IP Checksums done by device")
+ .precision(0)
+ .prereq(rxBytes)
+ ;
+
+ txTcpChecksums
+ .name(name() + ".txTcpChecksums")
+ .desc("Number of tx TCP Checksums done by device")
+ .precision(0)
+ .prereq(txBytes)
+ ;
+
+ rxTcpChecksums
+ .name(name() + ".rxTcpChecksums")
+ .desc("Number of rx TCP Checksums done by device")
+ .precision(0)
+ .prereq(rxBytes)
+ ;
+
+ txUdpChecksums
+ .name(name() + ".txUdpChecksums")
+ .desc("Number of tx UDP Checksums done by device")
+ .precision(0)
+ .prereq(txBytes)
+ ;
+
+ rxUdpChecksums
+ .name(name() + ".rxUdpChecksums")
+ .desc("Number of rx UDP Checksums done by device")
+ .precision(0)
+ .prereq(rxBytes)
+ ;
+
+ descDmaReads
+ .name(name() + ".descDMAReads")
+ .desc("Number of descriptors the device read w/ DMA")
+ .precision(0)
+ ;
+
+ descDmaWrites
+ .name(name() + ".descDMAWrites")
+ .desc("Number of descriptors the device wrote w/ DMA")
+ .precision(0)
+ ;
+
+ descDmaRdBytes
+ .name(name() + ".descDmaReadBytes")
+ .desc("number of descriptor bytes read w/ DMA")
+ .precision(0)
+ ;
+
+ descDmaWrBytes
+ .name(name() + ".descDmaWriteBytes")
+ .desc("number of descriptor bytes write w/ DMA")
+ .precision(0)
+ ;
+
+ txBandwidth
+ .name(name() + ".txBandwidth")
+ .desc("Transmit Bandwidth (bits/s)")
+ .precision(0)
+ .prereq(txBytes)
+ ;
+
+ rxBandwidth
+ .name(name() + ".rxBandwidth")
+ .desc("Receive Bandwidth (bits/s)")
+ .precision(0)
+ .prereq(rxBytes)
+ ;
+
+ totBandwidth
+ .name(name() + ".totBandwidth")
+ .desc("Total Bandwidth (bits/s)")
+ .precision(0)
+ .prereq(totBytes)
+ ;
+
+ totPackets
+ .name(name() + ".totPackets")
+ .desc("Total Packets")
+ .precision(0)
+ .prereq(totBytes)
+ ;
+
+ totBytes
+ .name(name() + ".totBytes")
+ .desc("Total Bytes")
+ .precision(0)
+ .prereq(totBytes)
+ ;
+
+ totPacketRate
+ .name(name() + ".totPPS")
+ .desc("Total Tranmission Rate (packets/s)")
+ .precision(0)
+ .prereq(totBytes)
+ ;
+
+ txPacketRate
+ .name(name() + ".txPPS")
+ .desc("Packet Tranmission Rate (packets/s)")
+ .precision(0)
+ .prereq(txBytes)
+ ;
+
+ rxPacketRate
+ .name(name() + ".rxPPS")
+ .desc("Packet Reception Rate (packets/s)")
+ .precision(0)
+ .prereq(rxBytes)
+ ;
+
+ postedSwi
+ .name(name() + ".postedSwi")
+ .desc("number of software interrupts posted to CPU")
+ .precision(0)
+ ;
+
+ totalSwi
+ .name(name() + ".totalSwi")
+ .desc("total number of Swi written to ISR")
+ .precision(0)
+ ;
+
+ coalescedSwi
+ .name(name() + ".coalescedSwi")
+ .desc("average number of Swi's coalesced into each post")
+ .precision(0)
+ ;
+
+ postedRxIdle
+ .name(name() + ".postedRxIdle")
+ .desc("number of rxIdle interrupts posted to CPU")
+ .precision(0)
+ ;
+
+ totalRxIdle
+ .name(name() + ".totalRxIdle")
+ .desc("total number of RxIdle written to ISR")
+ .precision(0)
+ ;
+
+ coalescedRxIdle
+ .name(name() + ".coalescedRxIdle")
+ .desc("average number of RxIdle's coalesced into each post")
+ .precision(0)
+ ;
+
+ postedRxOk
+ .name(name() + ".postedRxOk")
+ .desc("number of RxOk interrupts posted to CPU")
+ .precision(0)
+ ;
+
+ totalRxOk
+ .name(name() + ".totalRxOk")
+ .desc("total number of RxOk written to ISR")
+ .precision(0)
+ ;
+
+ coalescedRxOk
+ .name(name() + ".coalescedRxOk")
+ .desc("average number of RxOk's coalesced into each post")
+ .precision(0)
+ ;
+
+ postedRxDesc
+ .name(name() + ".postedRxDesc")
+ .desc("number of RxDesc interrupts posted to CPU")
+ .precision(0)
+ ;
+
+ totalRxDesc
+ .name(name() + ".totalRxDesc")
+ .desc("total number of RxDesc written to ISR")
+ .precision(0)
+ ;
+
+ coalescedRxDesc
+ .name(name() + ".coalescedRxDesc")
+ .desc("average number of RxDesc's coalesced into each post")
+ .precision(0)
+ ;
+
+ postedTxOk
+ .name(name() + ".postedTxOk")
+ .desc("number of TxOk interrupts posted to CPU")
+ .precision(0)
+ ;
+
+ totalTxOk
+ .name(name() + ".totalTxOk")
+ .desc("total number of TxOk written to ISR")
+ .precision(0)
+ ;
+
+ coalescedTxOk
+ .name(name() + ".coalescedTxOk")
+ .desc("average number of TxOk's coalesced into each post")
+ .precision(0)
+ ;
+
+ postedTxIdle
+ .name(name() + ".postedTxIdle")
+ .desc("number of TxIdle interrupts posted to CPU")
+ .precision(0)
+ ;
+
+ totalTxIdle
+ .name(name() + ".totalTxIdle")
+ .desc("total number of TxIdle written to ISR")
+ .precision(0)
+ ;
+
+ coalescedTxIdle
+ .name(name() + ".coalescedTxIdle")
+ .desc("average number of TxIdle's coalesced into each post")
+ .precision(0)
+ ;
+
+ postedTxDesc
+ .name(name() + ".postedTxDesc")
+ .desc("number of TxDesc interrupts posted to CPU")
+ .precision(0)
+ ;
+
+ totalTxDesc
+ .name(name() + ".totalTxDesc")
+ .desc("total number of TxDesc written to ISR")
+ .precision(0)
+ ;
+
+ coalescedTxDesc
+ .name(name() + ".coalescedTxDesc")
+ .desc("average number of TxDesc's coalesced into each post")
+ .precision(0)
+ ;
+
+ postedRxOrn
+ .name(name() + ".postedRxOrn")
+ .desc("number of RxOrn posted to CPU")
+ .precision(0)
+ ;
+
+ totalRxOrn
+ .name(name() + ".totalRxOrn")
+ .desc("total number of RxOrn written to ISR")
+ .precision(0)
+ ;
+
+ coalescedRxOrn
+ .name(name() + ".coalescedRxOrn")
+ .desc("average number of RxOrn's coalesced into each post")
+ .precision(0)
+ ;
+
+ coalescedTotal
+ .name(name() + ".coalescedTotal")
+ .desc("average number of interrupts coalesced into each post")
+ .precision(0)
+ ;
+
+ postedInterrupts
+ .name(name() + ".postedInterrupts")
+ .desc("number of posts to CPU")
+ .precision(0)
+ ;
+
+ droppedPackets
+ .name(name() + ".droppedPackets")
+ .desc("number of packets dropped")
+ .precision(0)
+ ;
+
+ coalescedSwi = totalSwi / postedInterrupts;
+ coalescedRxIdle = totalRxIdle / postedInterrupts;
+ coalescedRxOk = totalRxOk / postedInterrupts;
+ coalescedRxDesc = totalRxDesc / postedInterrupts;
+ coalescedTxOk = totalTxOk / postedInterrupts;
+ coalescedTxIdle = totalTxIdle / postedInterrupts;
+ coalescedTxDesc = totalTxDesc / postedInterrupts;
+ coalescedRxOrn = totalRxOrn / postedInterrupts;
+
+ coalescedTotal = (totalSwi + totalRxIdle + totalRxOk + totalRxDesc +
+ totalTxOk + totalTxIdle + totalTxDesc +
+ totalRxOrn) / postedInterrupts;
+
+ txBandwidth = txBytes * Stats::constant(8) / simSeconds;
+ rxBandwidth = rxBytes * Stats::constant(8) / simSeconds;
+ totBandwidth = txBandwidth + rxBandwidth;
+ totBytes = txBytes + rxBytes;
+ totPackets = txPackets + rxPackets;
+
+ txPacketRate = txPackets / simSeconds;
+ rxPacketRate = rxPackets / simSeconds;
+}