1/* |
2 * Copyright (c) 2012-2013, 2015, 2018-2019 ARM Limited |
3 * Copyright (c) 2016 Google Inc. 4 * Copyright (c) 2017, Centre National de la Recherche Scientifique 5 * All rights reserved. 6 * 7 * The license below extends only to copyright in the software and shall 8 * not be construed as granting a license to any other intellectual 9 * property including but not limited to intellectual property relating 10 * to a hardware implementation of the functionality of the software --- 39 unchanged lines hidden (view full) --- 50 51CommMonitor::CommMonitor(Params* params) 52 : SimObject(params), 53 masterPort(name() + "-master", *this), 54 slavePort(name() + "-slave", *this), 55 samplePeriodicEvent([this]{ samplePeriodic(); }, name()), 56 samplePeriodTicks(params->sample_period), 57 samplePeriod(params->sample_period / SimClock::Float::s), |
58 stats(this, params) |
59{ 60 DPRINTF(CommMonitor, 61 "Created monitor %s with sample period %d ticks (%f ms)\n", 62 name(), samplePeriodTicks, samplePeriod * 1E3); 63} 64 65CommMonitor* 66CommMonitorParams::create() --- 35 unchanged lines hidden (view full) --- 102} 103 104void 105CommMonitor::recvFunctionalSnoop(PacketPtr pkt) 106{ 107 slavePort.sendFunctionalSnoop(pkt); 108} 109 |
110CommMonitor::MonitorStats::MonitorStats(Stats::Group *parent, 111 const CommMonitorParams *params) 112 : Stats::Group(parent), 113 114 disableBurstLengthHists(params->disable_burst_length_hists), 115 ADD_STAT(readBurstLengthHist, 116 "Histogram of burst lengths of transmitted packets"), 117 ADD_STAT(writeBurstLengthHist, 118 "Histogram of burst lengths of transmitted packets"), 119 120 disableBandwidthHists(params->disable_bandwidth_hists), 121 readBytes(0), 122 ADD_STAT(readBandwidthHist, 123 "Histogram of read bandwidth per sample period (bytes/s)"), 124 ADD_STAT(totalReadBytes, "Number of bytes read"), 125 ADD_STAT(averageReadBandwidth, "Average read bandwidth (bytes/s)", 126 totalReadBytes / simSeconds), 127 128 writtenBytes(0), 129 ADD_STAT(writeBandwidthHist, "Histogram of write bandwidth (bytes/s)"), 130 ADD_STAT(totalWrittenBytes, "Number of bytes written"), 131 ADD_STAT(averageWriteBandwidth, "Average write bandwidth (bytes/s)", 132 totalWrittenBytes / simSeconds), 133 134 disableLatencyHists(params->disable_latency_hists), 135 ADD_STAT(readLatencyHist, "Read request-response latency"), 136 ADD_STAT(writeLatencyHist, "Write request-response latency"), 137 138 disableITTDists(params->disable_itt_dists), 139 ADD_STAT(ittReadRead, "Read-to-read inter transaction time"), 140 ADD_STAT(ittWriteWrite , "Write-to-write inter transaction time"), 141 ADD_STAT(ittReqReq, "Request-to-request inter transaction time"), 142 timeOfLastRead(0), timeOfLastWrite(0), timeOfLastReq(0), 143 144 disableOutstandingHists(params->disable_outstanding_hists), 145 ADD_STAT(outstandingReadsHist, "Outstanding read transactions"), 146 outstandingReadReqs(0), 147 ADD_STAT(outstandingWritesHist, "Outstanding write transactions"), 148 outstandingWriteReqs(0), 149 150 disableTransactionHists(params->disable_transaction_hists), 151 ADD_STAT(readTransHist, 152 "Histogram of read transactions per sample period"), 153 readTrans(0), 154 ADD_STAT(writeTransHist, 155 "Histogram of write transactions per sample period"), 156 writeTrans(0), 157 158 disableAddrDists(params->disable_addr_dists), 159 readAddrMask(params->read_addr_mask), 160 writeAddrMask(params->write_addr_mask), 161 ADD_STAT(readAddrDist, "Read address distribution"), 162 ADD_STAT(writeAddrDist, "Write address distribution") 163{ 164 using namespace Stats; 165 166 readBurstLengthHist 167 .init(params->burst_length_bins) 168 .flags(disableBurstLengthHists ? nozero : pdf); 169 170 writeBurstLengthHist 171 .init(params->burst_length_bins) 172 .flags(disableBurstLengthHists ? nozero : pdf); 173 174 // Stats based on received responses 175 readBandwidthHist 176 .init(params->bandwidth_bins) 177 .flags(disableBandwidthHists ? nozero : pdf); 178 179 averageReadBandwidth 180 .flags(disableBandwidthHists ? nozero : pdf); 181 182 totalReadBytes 183 .flags(disableBandwidthHists ? nozero : pdf); 184 185 // Stats based on successfully sent requests 186 writeBandwidthHist 187 .init(params->bandwidth_bins) 188 .flags(disableBandwidthHists ? (pdf | nozero) : pdf); 189 190 averageWriteBandwidth 191 .flags(disableBandwidthHists ? nozero : pdf); 192 193 totalWrittenBytes 194 .flags(disableBandwidthHists ? nozero : pdf); 195 196 197 readLatencyHist 198 .init(params->latency_bins) 199 .flags(disableLatencyHists ? nozero : pdf); 200 201 writeLatencyHist 202 .init(params->latency_bins) 203 .flags(disableLatencyHists ? nozero : pdf); 204 205 ittReadRead 206 .init(1, params->itt_max_bin, params->itt_max_bin / 207 params->itt_bins) 208 .flags(disableITTDists ? nozero : pdf); 209 210 ittWriteWrite 211 .init(1, params->itt_max_bin, params->itt_max_bin / 212 params->itt_bins) 213 .flags(disableITTDists ? nozero : pdf); 214 215 ittReqReq 216 .init(1, params->itt_max_bin, params->itt_max_bin / 217 params->itt_bins) 218 .flags(disableITTDists ? nozero : pdf); 219 220 outstandingReadsHist 221 .init(params->outstanding_bins) 222 .flags(disableOutstandingHists ? nozero : pdf); 223 224 outstandingWritesHist 225 .init(params->outstanding_bins) 226 .flags(disableOutstandingHists ? nozero : pdf); 227 228 readTransHist 229 .init(params->transaction_bins) 230 .flags(disableTransactionHists ? nozero : pdf); 231 232 writeTransHist 233 .init(params->transaction_bins) 234 .flags(disableTransactionHists ? nozero : pdf); 235 236 readAddrDist 237 .init(0) 238 .flags(disableAddrDists ? nozero : pdf); 239 240 writeAddrDist 241 .init(0) 242 .flags(disableAddrDists ? nozero : pdf); 243} 244 |
245void 246CommMonitor::MonitorStats::updateReqStats( 247 const ProbePoints::PacketInfo& pkt_info, bool is_atomic, 248 bool expects_response) 249{ 250 if (pkt_info.cmd.isRead()) { 251 // Increment number of observed read transactions 252 if (!disableTransactionHists) --- 257 unchanged lines hidden (view full) --- 510 511void 512CommMonitor::recvRangeChange() 513{ 514 slavePort.sendRangeChange(); 515} 516 517void |
518CommMonitor::samplePeriodic() 519{ 520 // the periodic stats update runs on the granularity of sample 521 // periods, but in combination with this there may also be a 522 // external resets and dumps of the stats (through schedStatEvent) 523 // causing the stats themselves to capture less than a sample 524 // period 525 --- 34 unchanged lines hidden --- |