comm_monitor.hh (13892:0182a0601f66) comm_monitor.hh (14208:1c8f93faf08f)
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

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75 /**
76 * Constructor based on the Python params
77 *
78 * @param params Python parameters
79 */
80 CommMonitor(Params* params);
81
82 void init() override;
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

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75 /**
76 * Constructor based on the Python params
77 *
78 * @param params Python parameters
79 */
80 CommMonitor(Params* params);
81
82 void init() override;
83 void regStats() override;
84 void startup() override;
85 void regProbePoints() override;
86
87 public: // SimObject interfaces
88 Port &getPort(const std::string &if_name,
89 PortID idx=InvalidPortID) override;
90
91 private:

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270
271 void recvRespRetry();
272
273 void recvRangeChange();
274
275 bool tryTiming(PacketPtr pkt);
276
277 /** Stats declarations, all in a struct for convenience. */
83 void startup() override;
84 void regProbePoints() override;
85
86 public: // SimObject interfaces
87 Port &getPort(const std::string &if_name,
88 PortID idx=InvalidPortID) override;
89
90 private:

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269
270 void recvRespRetry();
271
272 void recvRangeChange();
273
274 bool tryTiming(PacketPtr pkt);
275
276 /** Stats declarations, all in a struct for convenience. */
278 struct MonitorStats
277 struct MonitorStats : public Stats::Group
279 {
278 {
280
281 /** Disable flag for burst length histograms **/
282 bool disableBurstLengthHists;
283
284 /** Histogram of read burst lengths */
285 Stats::Histogram readBurstLengthHist;
286
287 /** Histogram of write burst lengths */
288 Stats::Histogram writeBurstLengthHist;
289
290 /** Disable flag for the bandwidth histograms */
291 bool disableBandwidthHists;
292
293 /**
294 * Histogram for read bandwidth per sample window. The
295 * internal counter is an unsigned int rather than a stat.
296 */
297 unsigned int readBytes;
298 Stats::Histogram readBandwidthHist;
279 /** Disable flag for burst length histograms **/
280 bool disableBurstLengthHists;
281
282 /** Histogram of read burst lengths */
283 Stats::Histogram readBurstLengthHist;
284
285 /** Histogram of write burst lengths */
286 Stats::Histogram writeBurstLengthHist;
287
288 /** Disable flag for the bandwidth histograms */
289 bool disableBandwidthHists;
290
291 /**
292 * Histogram for read bandwidth per sample window. The
293 * internal counter is an unsigned int rather than a stat.
294 */
295 unsigned int readBytes;
296 Stats::Histogram readBandwidthHist;
299 Stats::Formula averageReadBW;
300 Stats::Scalar totalReadBytes;
297 Stats::Scalar totalReadBytes;
298 Stats::Formula averageReadBandwidth;
301
302 /**
303 * Histogram for write bandwidth per sample window. The
304 * internal counter is an unsigned int rather than a stat.
305 */
306 unsigned int writtenBytes;
307 Stats::Histogram writeBandwidthHist;
299
300 /**
301 * Histogram for write bandwidth per sample window. The
302 * internal counter is an unsigned int rather than a stat.
303 */
304 unsigned int writtenBytes;
305 Stats::Histogram writeBandwidthHist;
308 Stats::Formula averageWriteBW;
309 Stats::Scalar totalWrittenBytes;
306 Stats::Scalar totalWrittenBytes;
307 Stats::Formula averageWriteBandwidth;
310
311 /** Disable flag for latency histograms. */
312 bool disableLatencyHists;
313
314 /** Histogram of read request-to-response latencies */
315 Stats::Histogram readLatencyHist;
316
317 /** Histogram of write request-to-response latencies */

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384 */
385 Stats::SparseHistogram writeAddrDist;
386
387 /**
388 * Create the monitor stats and initialise all the members
389 * that are not statistics themselves, but used to control the
390 * stats or track values during a sample period.
391 */
308
309 /** Disable flag for latency histograms. */
310 bool disableLatencyHists;
311
312 /** Histogram of read request-to-response latencies */
313 Stats::Histogram readLatencyHist;
314
315 /** Histogram of write request-to-response latencies */

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382 */
383 Stats::SparseHistogram writeAddrDist;
384
385 /**
386 * Create the monitor stats and initialise all the members
387 * that are not statistics themselves, but used to control the
388 * stats or track values during a sample period.
389 */
392 MonitorStats(const CommMonitorParams* params) :
393 disableBurstLengthHists(params->disable_burst_length_hists),
394 disableBandwidthHists(params->disable_bandwidth_hists),
395 readBytes(0), writtenBytes(0),
396 disableLatencyHists(params->disable_latency_hists),
397 disableITTDists(params->disable_itt_dists),
398 timeOfLastRead(0), timeOfLastWrite(0), timeOfLastReq(0),
399 disableOutstandingHists(params->disable_outstanding_hists),
400 outstandingReadReqs(0), outstandingWriteReqs(0),
401 disableTransactionHists(params->disable_transaction_hists),
402 readTrans(0), writeTrans(0),
403 disableAddrDists(params->disable_addr_dists),
404 readAddrMask(params->read_addr_mask),
405 writeAddrMask(params->write_addr_mask)
406 { }
390 MonitorStats(Stats::Group *parent, const CommMonitorParams* params);
407
408 void updateReqStats(const ProbePoints::PacketInfo& pkt, bool is_atomic,
409 bool expects_response);
410 void updateRespStats(const ProbePoints::PacketInfo& pkt, Tick latency,
411 bool is_atomic);
412 };
413
414 /** This function is called periodically at the end of each time bin */

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392 void updateReqStats(const ProbePoints::PacketInfo& pkt, bool is_atomic,
393 bool expects_response);
394 void updateRespStats(const ProbePoints::PacketInfo& pkt, Tick latency,
395 bool is_atomic);
396 };
397
398 /** This function is called periodically at the end of each time bin */

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