comm_monitor.cc (14084:9e60f14d5f0d) | comm_monitor.cc (14208:1c8f93faf08f) |
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1/* | 1/* |
2 * Copyright (c) 2012-2013, 2015, 2018 ARM Limited | 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), | 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(params) | 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 | 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 |
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110void 111CommMonitor::MonitorStats::updateReqStats( 112 const ProbePoints::PacketInfo& pkt_info, bool is_atomic, 113 bool expects_response) 114{ 115 if (pkt_info.cmd.isRead()) { 116 // Increment number of observed read transactions 117 if (!disableTransactionHists) --- 257 unchanged lines hidden (view full) --- 375 376void 377CommMonitor::recvRangeChange() 378{ 379 slavePort.sendRangeChange(); 380} 381 382void | 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 |
383CommMonitor::regStats() 384{ 385 SimObject::regStats(); 386 387 // Initialise all the monitor stats 388 using namespace Stats; 389 390 stats.readBurstLengthHist 391 .init(params()->burst_length_bins) 392 .name(name() + ".readBurstLengthHist") 393 .desc("Histogram of burst lengths of transmitted packets") 394 .flags(stats.disableBurstLengthHists ? nozero : pdf); 395 396 stats.writeBurstLengthHist 397 .init(params()->burst_length_bins) 398 .name(name() + ".writeBurstLengthHist") 399 .desc("Histogram of burst lengths of transmitted packets") 400 .flags(stats.disableBurstLengthHists ? nozero : pdf); 401 402 // Stats based on received responses 403 stats.readBandwidthHist 404 .init(params()->bandwidth_bins) 405 .name(name() + ".readBandwidthHist") 406 .desc("Histogram of read bandwidth per sample period (bytes/s)") 407 .flags(stats.disableBandwidthHists ? nozero : pdf); 408 409 stats.averageReadBW 410 .name(name() + ".averageReadBandwidth") 411 .desc("Average read bandwidth (bytes/s)") 412 .flags(stats.disableBandwidthHists ? nozero : pdf); 413 414 stats.totalReadBytes 415 .name(name() + ".totalReadBytes") 416 .desc("Number of bytes read") 417 .flags(stats.disableBandwidthHists ? nozero : pdf); 418 419 stats.averageReadBW = stats.totalReadBytes / simSeconds; 420 421 // Stats based on successfully sent requests 422 stats.writeBandwidthHist 423 .init(params()->bandwidth_bins) 424 .name(name() + ".writeBandwidthHist") 425 .desc("Histogram of write bandwidth (bytes/s)") 426 .flags(stats.disableBandwidthHists ? (pdf | nozero) : pdf); 427 428 stats.averageWriteBW 429 .name(name() + ".averageWriteBandwidth") 430 .desc("Average write bandwidth (bytes/s)") 431 .flags(stats.disableBandwidthHists ? nozero : pdf); 432 433 stats.totalWrittenBytes 434 .name(name() + ".totalWrittenBytes") 435 .desc("Number of bytes written") 436 .flags(stats.disableBandwidthHists ? nozero : pdf); 437 438 stats.averageWriteBW = stats.totalWrittenBytes / simSeconds; 439 440 stats.readLatencyHist 441 .init(params()->latency_bins) 442 .name(name() + ".readLatencyHist") 443 .desc("Read request-response latency") 444 .flags(stats.disableLatencyHists ? nozero : pdf); 445 446 stats.writeLatencyHist 447 .init(params()->latency_bins) 448 .name(name() + ".writeLatencyHist") 449 .desc("Write request-response latency") 450 .flags(stats.disableLatencyHists ? nozero : pdf); 451 452 stats.ittReadRead 453 .init(1, params()->itt_max_bin, params()->itt_max_bin / 454 params()->itt_bins) 455 .name(name() + ".ittReadRead") 456 .desc("Read-to-read inter transaction time") 457 .flags(stats.disableITTDists ? nozero : pdf); 458 459 stats.ittWriteWrite 460 .init(1, params()->itt_max_bin, params()->itt_max_bin / 461 params()->itt_bins) 462 .name(name() + ".ittWriteWrite") 463 .desc("Write-to-write inter transaction time") 464 .flags(stats.disableITTDists ? nozero : pdf); 465 466 stats.ittReqReq 467 .init(1, params()->itt_max_bin, params()->itt_max_bin / 468 params()->itt_bins) 469 .name(name() + ".ittReqReq") 470 .desc("Request-to-request inter transaction time") 471 .flags(stats.disableITTDists ? nozero : pdf); 472 473 stats.outstandingReadsHist 474 .init(params()->outstanding_bins) 475 .name(name() + ".outstandingReadsHist") 476 .desc("Outstanding read transactions") 477 .flags(stats.disableOutstandingHists ? nozero : pdf); 478 479 stats.outstandingWritesHist 480 .init(params()->outstanding_bins) 481 .name(name() + ".outstandingWritesHist") 482 .desc("Outstanding write transactions") 483 .flags(stats.disableOutstandingHists ? nozero : pdf); 484 485 stats.readTransHist 486 .init(params()->transaction_bins) 487 .name(name() + ".readTransHist") 488 .desc("Histogram of read transactions per sample period") 489 .flags(stats.disableTransactionHists ? nozero : pdf); 490 491 stats.writeTransHist 492 .init(params()->transaction_bins) 493 .name(name() + ".writeTransHist") 494 .desc("Histogram of write transactions per sample period") 495 .flags(stats.disableTransactionHists ? nozero : pdf); 496 497 stats.readAddrDist 498 .init(0) 499 .name(name() + ".readAddrDist") 500 .desc("Read address distribution") 501 .flags(stats.disableAddrDists ? nozero : pdf); 502 503 stats.writeAddrDist 504 .init(0) 505 .name(name() + ".writeAddrDist") 506 .desc("Write address distribution") 507 .flags(stats.disableAddrDists ? nozero : pdf); 508} 509 510void | |
511CommMonitor::samplePeriodic() 512{ 513 // the periodic stats update runs on the granularity of sample 514 // periods, but in combination with this there may also be a 515 // external resets and dumps of the stats (through schedStatEvent) 516 // causing the stats themselves to capture less than a sample 517 // period 518 --- 34 unchanged lines hidden --- | 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 --- |