Sequencer.cc revision 10089
16145Snate@binkert.org/* 26145Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36145Snate@binkert.org * All rights reserved. 46145Snate@binkert.org * 56145Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66145Snate@binkert.org * modification, are permitted provided that the following conditions are 76145Snate@binkert.org * met: redistributions of source code must retain the above copyright 86145Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96145Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106145Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116145Snate@binkert.org * documentation and/or other materials provided with the distribution; 126145Snate@binkert.org * neither the name of the copyright holders nor the names of its 136145Snate@binkert.org * contributors may be used to endorse or promote products derived from 146145Snate@binkert.org * this software without specific prior written permission. 156145Snate@binkert.org * 166145Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145Snate@binkert.org */ 286145Snate@binkert.org 298229Snate@binkert.org#include "base/misc.hh" 307056Snate@binkert.org#include "base/str.hh" 318615Snilay@cs.wisc.edu#include "config/the_isa.hh" 328615Snilay@cs.wisc.edu#if THE_ISA == X86_ISA 338615Snilay@cs.wisc.edu#include "arch/x86/insts/microldstop.hh" 348615Snilay@cs.wisc.edu#endif // X86_ISA 357632SBrad.Beckmann@amd.com#include "cpu/testers/rubytest/RubyTester.hh" 368232Snate@binkert.org#include "debug/MemoryAccess.hh" 378232Snate@binkert.org#include "debug/ProtocolTrace.hh" 388615Snilay@cs.wisc.edu#include "debug/RubySequencer.hh" 399104Shestness@cs.utexas.edu#include "debug/RubyStats.hh" 408615Snilay@cs.wisc.edu#include "mem/protocol/PrefetchBit.hh" 418615Snilay@cs.wisc.edu#include "mem/protocol/RubyAccessMode.hh" 427039Snate@binkert.org#include "mem/ruby/common/Global.hh" 437039Snate@binkert.org#include "mem/ruby/profiler/Profiler.hh" 448229Snate@binkert.org#include "mem/ruby/slicc_interface/RubyRequest.hh" 456154Snate@binkert.org#include "mem/ruby/system/Sequencer.hh" 466154Snate@binkert.org#include "mem/ruby/system/System.hh" 477550SBrad.Beckmann@amd.com#include "mem/packet.hh" 486876Ssteve.reinhardt@amd.com 497055Snate@binkert.orgusing namespace std; 507055Snate@binkert.org 516876Ssteve.reinhardt@amd.comSequencer * 526876Ssteve.reinhardt@amd.comRubySequencerParams::create() 536285Snate@binkert.org{ 546876Ssteve.reinhardt@amd.com return new Sequencer(this); 556285Snate@binkert.org} 567039Snate@binkert.org 576876Ssteve.reinhardt@amd.comSequencer::Sequencer(const Params *p) 5810012Snilay@cs.wisc.edu : RubyPort(p), m_IncompleteTimes(MachineType_NUM), deadlockCheckEvent(this) 596876Ssteve.reinhardt@amd.com{ 606876Ssteve.reinhardt@amd.com m_outstanding_count = 0; 616285Snate@binkert.org 626876Ssteve.reinhardt@amd.com m_instCache_ptr = p->icache; 636876Ssteve.reinhardt@amd.com m_dataCache_ptr = p->dcache; 646876Ssteve.reinhardt@amd.com m_max_outstanding_requests = p->max_outstanding_requests; 656876Ssteve.reinhardt@amd.com m_deadlock_threshold = p->deadlock_threshold; 666899SBrad.Beckmann@amd.com 676876Ssteve.reinhardt@amd.com assert(m_max_outstanding_requests > 0); 686876Ssteve.reinhardt@amd.com assert(m_deadlock_threshold > 0); 696876Ssteve.reinhardt@amd.com assert(m_instCache_ptr != NULL); 706876Ssteve.reinhardt@amd.com assert(m_dataCache_ptr != NULL); 718171Stushar@csail.mit.edu 728171Stushar@csail.mit.edu m_usingNetworkTester = p->using_network_tester; 736145Snate@binkert.org} 746145Snate@binkert.org 757039Snate@binkert.orgSequencer::~Sequencer() 767039Snate@binkert.org{ 776145Snate@binkert.org} 786145Snate@binkert.org 797039Snate@binkert.orgvoid 807039Snate@binkert.orgSequencer::wakeup() 817039Snate@binkert.org{ 829342SAndreas.Sandberg@arm.com assert(getDrainState() != Drainable::Draining); 839245Shestness@cs.wisc.edu 847039Snate@binkert.org // Check for deadlock of any of the requests 859501Snilay@cs.wisc.edu Cycles current_time = curCycle(); 866145Snate@binkert.org 877039Snate@binkert.org // Check across all outstanding requests 887039Snate@binkert.org int total_outstanding = 0; 896285Snate@binkert.org 907455Snate@binkert.org RequestTable::iterator read = m_readRequestTable.begin(); 917455Snate@binkert.org RequestTable::iterator read_end = m_readRequestTable.end(); 927455Snate@binkert.org for (; read != read_end; ++read) { 937455Snate@binkert.org SequencerRequest* request = read->second; 947455Snate@binkert.org if (current_time - request->issue_time < m_deadlock_threshold) 957455Snate@binkert.org continue; 967455Snate@binkert.org 977805Snilay@cs.wisc.edu panic("Possible Deadlock detected. Aborting!\n" 987921SBrad.Beckmann@amd.com "version: %d request.paddr: 0x%x m_readRequestTable: %d " 997805Snilay@cs.wisc.edu "current time: %u issue_time: %d difference: %d\n", m_version, 1008615Snilay@cs.wisc.edu Address(request->pkt->getAddr()), m_readRequestTable.size(), 1019467Smalek.musleh@gmail.com current_time * clockPeriod(), request->issue_time * clockPeriod(), 1029467Smalek.musleh@gmail.com (current_time * clockPeriod()) - (request->issue_time * clockPeriod())); 1036145Snate@binkert.org } 1046145Snate@binkert.org 1057455Snate@binkert.org RequestTable::iterator write = m_writeRequestTable.begin(); 1067455Snate@binkert.org RequestTable::iterator write_end = m_writeRequestTable.end(); 1077455Snate@binkert.org for (; write != write_end; ++write) { 1087455Snate@binkert.org SequencerRequest* request = write->second; 1097455Snate@binkert.org if (current_time - request->issue_time < m_deadlock_threshold) 1107455Snate@binkert.org continue; 1117455Snate@binkert.org 1127805Snilay@cs.wisc.edu panic("Possible Deadlock detected. Aborting!\n" 1137921SBrad.Beckmann@amd.com "version: %d request.paddr: 0x%x m_writeRequestTable: %d " 1147805Snilay@cs.wisc.edu "current time: %u issue_time: %d difference: %d\n", m_version, 1158615Snilay@cs.wisc.edu Address(request->pkt->getAddr()), m_writeRequestTable.size(), 1169467Smalek.musleh@gmail.com current_time * clockPeriod(), request->issue_time * clockPeriod(), 1179467Smalek.musleh@gmail.com (current_time * clockPeriod()) - (request->issue_time * clockPeriod())); 1186145Snate@binkert.org } 1196285Snate@binkert.org 1207039Snate@binkert.org total_outstanding += m_writeRequestTable.size(); 1217039Snate@binkert.org total_outstanding += m_readRequestTable.size(); 1226145Snate@binkert.org 1237039Snate@binkert.org assert(m_outstanding_count == total_outstanding); 1247039Snate@binkert.org 1257039Snate@binkert.org if (m_outstanding_count > 0) { 1267039Snate@binkert.org // If there are still outstanding requests, keep checking 1279465Snilay@cs.wisc.edu schedule(deadlockCheckEvent, clockEdge(m_deadlock_threshold)); 1287039Snate@binkert.org } 1296145Snate@binkert.org} 1306145Snate@binkert.org 13110012Snilay@cs.wisc.eduvoid Sequencer::resetStats() 1329598Snilay@cs.wisc.edu{ 13310012Snilay@cs.wisc.edu m_latencyHist.reset(); 13410012Snilay@cs.wisc.edu m_hitLatencyHist.reset(); 13510012Snilay@cs.wisc.edu m_missLatencyHist.reset(); 1369773Snilay@cs.wisc.edu for (int i = 0; i < RubyRequestType_NUM; i++) { 13710012Snilay@cs.wisc.edu m_typeLatencyHist[i]->reset(); 13810012Snilay@cs.wisc.edu m_hitTypeLatencyHist[i]->reset(); 13910012Snilay@cs.wisc.edu m_missTypeLatencyHist[i]->reset(); 1409773Snilay@cs.wisc.edu for (int j = 0; j < MachineType_NUM; j++) { 14110012Snilay@cs.wisc.edu m_hitTypeMachLatencyHist[i][j]->reset(); 14210012Snilay@cs.wisc.edu m_missTypeMachLatencyHist[i][j]->reset(); 1439773Snilay@cs.wisc.edu } 1449773Snilay@cs.wisc.edu } 1459773Snilay@cs.wisc.edu 14610012Snilay@cs.wisc.edu for (int i = 0; i < MachineType_NUM; i++) { 14710012Snilay@cs.wisc.edu m_missMachLatencyHist[i]->reset(); 14810012Snilay@cs.wisc.edu m_hitMachLatencyHist[i]->reset(); 1499773Snilay@cs.wisc.edu 15010012Snilay@cs.wisc.edu m_IssueToInitialDelayHist[i]->reset(); 15110012Snilay@cs.wisc.edu m_InitialToForwardDelayHist[i]->reset(); 15210012Snilay@cs.wisc.edu m_ForwardToFirstResponseDelayHist[i]->reset(); 15310012Snilay@cs.wisc.edu m_FirstResponseToCompletionDelayHist[i]->reset(); 1549773Snilay@cs.wisc.edu 1559773Snilay@cs.wisc.edu m_IncompleteTimes[i] = 0; 1569773Snilay@cs.wisc.edu } 1579598Snilay@cs.wisc.edu} 1589598Snilay@cs.wisc.edu 1597039Snate@binkert.orgvoid 1607039Snate@binkert.orgSequencer::printProgress(ostream& out) const 1617039Snate@binkert.org{ 1627039Snate@binkert.org#if 0 1637039Snate@binkert.org int total_demand = 0; 1647039Snate@binkert.org out << "Sequencer Stats Version " << m_version << endl; 1659171Snilay@cs.wisc.edu out << "Current time = " << g_system_ptr->getTime() << endl; 1667039Snate@binkert.org out << "---------------" << endl; 1677039Snate@binkert.org out << "outstanding requests" << endl; 1686145Snate@binkert.org 1697455Snate@binkert.org out << "proc " << m_Read 1707455Snate@binkert.org << " version Requests = " << m_readRequestTable.size() << endl; 1716145Snate@binkert.org 1727039Snate@binkert.org // print the request table 1737455Snate@binkert.org RequestTable::iterator read = m_readRequestTable.begin(); 1747455Snate@binkert.org RequestTable::iterator read_end = m_readRequestTable.end(); 1757455Snate@binkert.org for (; read != read_end; ++read) { 1767455Snate@binkert.org SequencerRequest* request = read->second; 1777039Snate@binkert.org out << "\tRequest[ " << i << " ] = " << request->type 1787039Snate@binkert.org << " Address " << rkeys[i] 1797039Snate@binkert.org << " Posted " << request->issue_time 1807039Snate@binkert.org << " PF " << PrefetchBit_No << endl; 1816145Snate@binkert.org total_demand++; 1827039Snate@binkert.org } 1836145Snate@binkert.org 1847455Snate@binkert.org out << "proc " << m_version 1857455Snate@binkert.org << " Write Requests = " << m_writeRequestTable.size << endl; 1866285Snate@binkert.org 1877039Snate@binkert.org // print the request table 1887455Snate@binkert.org RequestTable::iterator write = m_writeRequestTable.begin(); 1897455Snate@binkert.org RequestTable::iterator write_end = m_writeRequestTable.end(); 1907455Snate@binkert.org for (; write != write_end; ++write) { 1917455Snate@binkert.org SequencerRequest* request = write->second; 1927039Snate@binkert.org out << "\tRequest[ " << i << " ] = " << request.getType() 1937039Snate@binkert.org << " Address " << wkeys[i] 1947039Snate@binkert.org << " Posted " << request.getTime() 1957039Snate@binkert.org << " PF " << request.getPrefetch() << endl; 1967039Snate@binkert.org if (request.getPrefetch() == PrefetchBit_No) { 1977039Snate@binkert.org total_demand++; 1987039Snate@binkert.org } 1997039Snate@binkert.org } 2007039Snate@binkert.org 2017039Snate@binkert.org out << endl; 2027039Snate@binkert.org 2037039Snate@binkert.org out << "Total Number Outstanding: " << m_outstanding_count << endl 2047039Snate@binkert.org << "Total Number Demand : " << total_demand << endl 2057039Snate@binkert.org << "Total Number Prefetches : " << m_outstanding_count - total_demand 2067039Snate@binkert.org << endl << endl << endl; 2077039Snate@binkert.org#endif 2086145Snate@binkert.org} 2096145Snate@binkert.org 2106145Snate@binkert.org// Insert the request on the correct request table. Return true if 2116145Snate@binkert.org// the entry was already present. 2128615Snilay@cs.wisc.eduRequestStatus 2138615Snilay@cs.wisc.eduSequencer::insertRequest(PacketPtr pkt, RubyRequestType request_type) 2147039Snate@binkert.org{ 2158641Snate@binkert.org assert(m_outstanding_count == 2168641Snate@binkert.org (m_writeRequestTable.size() + m_readRequestTable.size())); 2176145Snate@binkert.org 2187039Snate@binkert.org // See if we should schedule a deadlock check 2199342SAndreas.Sandberg@arm.com if (!deadlockCheckEvent.scheduled() && 2209342SAndreas.Sandberg@arm.com getDrainState() != Drainable::Draining) { 2219465Snilay@cs.wisc.edu schedule(deadlockCheckEvent, clockEdge(m_deadlock_threshold)); 2227039Snate@binkert.org } 2236145Snate@binkert.org 2248615Snilay@cs.wisc.edu Address line_addr(pkt->getAddr()); 2257039Snate@binkert.org line_addr.makeLineAddress(); 2269224Sandreas.hansson@arm.com // Create a default entry, mapping the address to NULL, the cast is 2279224Sandreas.hansson@arm.com // there to make gcc 4.4 happy 2289224Sandreas.hansson@arm.com RequestTable::value_type default_entry(line_addr, 2299224Sandreas.hansson@arm.com (SequencerRequest*) NULL); 2309224Sandreas.hansson@arm.com 2318615Snilay@cs.wisc.edu if ((request_type == RubyRequestType_ST) || 2328615Snilay@cs.wisc.edu (request_type == RubyRequestType_RMW_Read) || 2338615Snilay@cs.wisc.edu (request_type == RubyRequestType_RMW_Write) || 2348615Snilay@cs.wisc.edu (request_type == RubyRequestType_Load_Linked) || 2358615Snilay@cs.wisc.edu (request_type == RubyRequestType_Store_Conditional) || 2368615Snilay@cs.wisc.edu (request_type == RubyRequestType_Locked_RMW_Read) || 2378615Snilay@cs.wisc.edu (request_type == RubyRequestType_Locked_RMW_Write) || 2388615Snilay@cs.wisc.edu (request_type == RubyRequestType_FLUSH)) { 2398615Snilay@cs.wisc.edu 2408615Snilay@cs.wisc.edu // Check if there is any outstanding read request for the same 2418615Snilay@cs.wisc.edu // cache line. 2428615Snilay@cs.wisc.edu if (m_readRequestTable.count(line_addr) > 0) { 24310012Snilay@cs.wisc.edu m_store_waiting_on_load++; 2448615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2458615Snilay@cs.wisc.edu } 2468615Snilay@cs.wisc.edu 2477455Snate@binkert.org pair<RequestTable::iterator, bool> r = 2489224Sandreas.hansson@arm.com m_writeRequestTable.insert(default_entry); 2498615Snilay@cs.wisc.edu if (r.second) { 2508615Snilay@cs.wisc.edu RequestTable::iterator i = r.first; 2519465Snilay@cs.wisc.edu i->second = new SequencerRequest(pkt, request_type, curCycle()); 2528615Snilay@cs.wisc.edu m_outstanding_count++; 2538615Snilay@cs.wisc.edu } else { 2548615Snilay@cs.wisc.edu // There is an outstanding write request for the cache line 25510012Snilay@cs.wisc.edu m_store_waiting_on_store++; 2568615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2578615Snilay@cs.wisc.edu } 2588615Snilay@cs.wisc.edu } else { 2598615Snilay@cs.wisc.edu // Check if there is any outstanding write request for the same 2608615Snilay@cs.wisc.edu // cache line. 2618615Snilay@cs.wisc.edu if (m_writeRequestTable.count(line_addr) > 0) { 26210012Snilay@cs.wisc.edu m_load_waiting_on_store++; 2638615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2648615Snilay@cs.wisc.edu } 2657039Snate@binkert.org 2667455Snate@binkert.org pair<RequestTable::iterator, bool> r = 2679224Sandreas.hansson@arm.com m_readRequestTable.insert(default_entry); 2687039Snate@binkert.org 2698615Snilay@cs.wisc.edu if (r.second) { 2708615Snilay@cs.wisc.edu RequestTable::iterator i = r.first; 2719465Snilay@cs.wisc.edu i->second = new SequencerRequest(pkt, request_type, curCycle()); 2728615Snilay@cs.wisc.edu m_outstanding_count++; 2738615Snilay@cs.wisc.edu } else { 2748615Snilay@cs.wisc.edu // There is an outstanding read request for the cache line 27510012Snilay@cs.wisc.edu m_load_waiting_on_load++; 2768615Snilay@cs.wisc.edu return RequestStatus_Aliased; 2777039Snate@binkert.org } 2786145Snate@binkert.org } 2796145Snate@binkert.org 28010012Snilay@cs.wisc.edu m_outstandReqHist.sample(m_outstanding_count); 2818641Snate@binkert.org assert(m_outstanding_count == 2828641Snate@binkert.org (m_writeRequestTable.size() + m_readRequestTable.size())); 2836145Snate@binkert.org 2848615Snilay@cs.wisc.edu return RequestStatus_Ready; 2856145Snate@binkert.org} 2866145Snate@binkert.org 2877039Snate@binkert.orgvoid 2887455Snate@binkert.orgSequencer::markRemoved() 2897455Snate@binkert.org{ 2907455Snate@binkert.org m_outstanding_count--; 2917455Snate@binkert.org assert(m_outstanding_count == 2927455Snate@binkert.org m_writeRequestTable.size() + m_readRequestTable.size()); 2937455Snate@binkert.org} 2947455Snate@binkert.org 2957455Snate@binkert.orgvoid 2967039Snate@binkert.orgSequencer::removeRequest(SequencerRequest* srequest) 2977039Snate@binkert.org{ 2987039Snate@binkert.org assert(m_outstanding_count == 2997039Snate@binkert.org m_writeRequestTable.size() + m_readRequestTable.size()); 3006145Snate@binkert.org 3018615Snilay@cs.wisc.edu Address line_addr(srequest->pkt->getAddr()); 3027039Snate@binkert.org line_addr.makeLineAddress(); 3038615Snilay@cs.wisc.edu if ((srequest->m_type == RubyRequestType_ST) || 3048615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_RMW_Read) || 3058615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_RMW_Write) || 3068615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Load_Linked) || 3078615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Store_Conditional) || 3088615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Locked_RMW_Read) || 3098615Snilay@cs.wisc.edu (srequest->m_type == RubyRequestType_Locked_RMW_Write)) { 3107455Snate@binkert.org m_writeRequestTable.erase(line_addr); 3117039Snate@binkert.org } else { 3127455Snate@binkert.org m_readRequestTable.erase(line_addr); 3137039Snate@binkert.org } 3146285Snate@binkert.org 3157455Snate@binkert.org markRemoved(); 3166145Snate@binkert.org} 3176145Snate@binkert.org 3189563Sgope@wisc.eduvoid 3199563Sgope@wisc.eduSequencer::invalidateSC(const Address& address) 3209563Sgope@wisc.edu{ 3219563Sgope@wisc.edu RequestTable::iterator i = m_writeRequestTable.find(address); 3229563Sgope@wisc.edu if (i != m_writeRequestTable.end()) { 3239563Sgope@wisc.edu SequencerRequest* request = i->second; 3249563Sgope@wisc.edu // The controller has lost the coherence permissions, hence the lock 3259563Sgope@wisc.edu // on the cache line maintained by the cache should be cleared. 3269563Sgope@wisc.edu if (request->m_type == RubyRequestType_Store_Conditional) { 3279563Sgope@wisc.edu m_dataCache_ptr->clearLocked(address); 3289563Sgope@wisc.edu } 3299563Sgope@wisc.edu } 3309563Sgope@wisc.edu} 3319563Sgope@wisc.edu 3327560SBrad.Beckmann@amd.combool 3337560SBrad.Beckmann@amd.comSequencer::handleLlsc(const Address& address, SequencerRequest* request) 3347550SBrad.Beckmann@amd.com{ 3357560SBrad.Beckmann@amd.com // 3367560SBrad.Beckmann@amd.com // The success flag indicates whether the LLSC operation was successful. 3377560SBrad.Beckmann@amd.com // LL ops will always succeed, but SC may fail if the cache line is no 3387560SBrad.Beckmann@amd.com // longer locked. 3397560SBrad.Beckmann@amd.com // 3407560SBrad.Beckmann@amd.com bool success = true; 3418615Snilay@cs.wisc.edu if (request->m_type == RubyRequestType_Store_Conditional) { 3427550SBrad.Beckmann@amd.com if (!m_dataCache_ptr->isLocked(address, m_version)) { 3437550SBrad.Beckmann@amd.com // 3447550SBrad.Beckmann@amd.com // For failed SC requests, indicate the failure to the cpu by 3457550SBrad.Beckmann@amd.com // setting the extra data to zero. 3467550SBrad.Beckmann@amd.com // 3478615Snilay@cs.wisc.edu request->pkt->req->setExtraData(0); 3487560SBrad.Beckmann@amd.com success = false; 3497550SBrad.Beckmann@amd.com } else { 3507550SBrad.Beckmann@amd.com // 3517550SBrad.Beckmann@amd.com // For successful SC requests, indicate the success to the cpu by 3527550SBrad.Beckmann@amd.com // setting the extra data to one. 3537550SBrad.Beckmann@amd.com // 3548615Snilay@cs.wisc.edu request->pkt->req->setExtraData(1); 3557550SBrad.Beckmann@amd.com } 3567560SBrad.Beckmann@amd.com // 3577560SBrad.Beckmann@amd.com // Independent of success, all SC operations must clear the lock 3587560SBrad.Beckmann@amd.com // 3597550SBrad.Beckmann@amd.com m_dataCache_ptr->clearLocked(address); 3608615Snilay@cs.wisc.edu } else if (request->m_type == RubyRequestType_Load_Linked) { 3617550SBrad.Beckmann@amd.com // 3627550SBrad.Beckmann@amd.com // Note: To fully follow Alpha LLSC semantics, should the LL clear any 3637550SBrad.Beckmann@amd.com // previously locked cache lines? 3647550SBrad.Beckmann@amd.com // 3657550SBrad.Beckmann@amd.com m_dataCache_ptr->setLocked(address, m_version); 3668615Snilay@cs.wisc.edu } else if ((m_dataCache_ptr->isTagPresent(address)) && 3678615Snilay@cs.wisc.edu (m_dataCache_ptr->isLocked(address, m_version))) { 3687550SBrad.Beckmann@amd.com // 3697550SBrad.Beckmann@amd.com // Normal writes should clear the locked address 3707550SBrad.Beckmann@amd.com // 3717550SBrad.Beckmann@amd.com m_dataCache_ptr->clearLocked(address); 3727550SBrad.Beckmann@amd.com } 3737560SBrad.Beckmann@amd.com return success; 3747550SBrad.Beckmann@amd.com} 3757550SBrad.Beckmann@amd.com 3767550SBrad.Beckmann@amd.comvoid 3779773Snilay@cs.wisc.eduSequencer::recordMissLatency(const Cycles cycles, const RubyRequestType type, 3789773Snilay@cs.wisc.edu const MachineType respondingMach, 3799773Snilay@cs.wisc.edu bool isExternalHit, Cycles issuedTime, 3809773Snilay@cs.wisc.edu Cycles initialRequestTime, 3819773Snilay@cs.wisc.edu Cycles forwardRequestTime, 3829773Snilay@cs.wisc.edu Cycles firstResponseTime, Cycles completionTime) 3837039Snate@binkert.org{ 38410012Snilay@cs.wisc.edu m_latencyHist.sample(cycles); 38510012Snilay@cs.wisc.edu m_typeLatencyHist[type]->sample(cycles); 3869773Snilay@cs.wisc.edu 3879773Snilay@cs.wisc.edu if (isExternalHit) { 38810012Snilay@cs.wisc.edu m_missLatencyHist.sample(cycles); 38910012Snilay@cs.wisc.edu m_missTypeLatencyHist[type]->sample(cycles); 3909773Snilay@cs.wisc.edu 3919773Snilay@cs.wisc.edu if (respondingMach != MachineType_NUM) { 39210012Snilay@cs.wisc.edu m_missMachLatencyHist[respondingMach]->sample(cycles); 39310012Snilay@cs.wisc.edu m_missTypeMachLatencyHist[type][respondingMach]->sample(cycles); 3949773Snilay@cs.wisc.edu 3959773Snilay@cs.wisc.edu if ((issuedTime <= initialRequestTime) && 3969773Snilay@cs.wisc.edu (initialRequestTime <= forwardRequestTime) && 3979773Snilay@cs.wisc.edu (forwardRequestTime <= firstResponseTime) && 3989773Snilay@cs.wisc.edu (firstResponseTime <= completionTime)) { 3999773Snilay@cs.wisc.edu 40010012Snilay@cs.wisc.edu m_IssueToInitialDelayHist[respondingMach]->sample( 4019773Snilay@cs.wisc.edu initialRequestTime - issuedTime); 40210012Snilay@cs.wisc.edu m_InitialToForwardDelayHist[respondingMach]->sample( 4039773Snilay@cs.wisc.edu forwardRequestTime - initialRequestTime); 40410012Snilay@cs.wisc.edu m_ForwardToFirstResponseDelayHist[respondingMach]->sample( 4059773Snilay@cs.wisc.edu firstResponseTime - forwardRequestTime); 40610012Snilay@cs.wisc.edu m_FirstResponseToCompletionDelayHist[respondingMach]->sample( 4079773Snilay@cs.wisc.edu completionTime - firstResponseTime); 4089773Snilay@cs.wisc.edu } else { 4099773Snilay@cs.wisc.edu m_IncompleteTimes[respondingMach]++; 4109773Snilay@cs.wisc.edu } 4119773Snilay@cs.wisc.edu } 4129773Snilay@cs.wisc.edu } else { 41310012Snilay@cs.wisc.edu m_hitLatencyHist.sample(cycles); 41410012Snilay@cs.wisc.edu m_hitTypeLatencyHist[type]->sample(cycles); 4159773Snilay@cs.wisc.edu 4169773Snilay@cs.wisc.edu if (respondingMach != MachineType_NUM) { 41710012Snilay@cs.wisc.edu m_hitMachLatencyHist[respondingMach]->sample(cycles); 41810012Snilay@cs.wisc.edu m_hitTypeMachLatencyHist[type][respondingMach]->sample(cycles); 4199773Snilay@cs.wisc.edu } 4209773Snilay@cs.wisc.edu } 4217546SBrad.Beckmann@amd.com} 4227546SBrad.Beckmann@amd.com 4237546SBrad.Beckmann@amd.comvoid 4249773Snilay@cs.wisc.eduSequencer::writeCallback(const Address& address, DataBlock& data, 4259773Snilay@cs.wisc.edu const bool externalHit, const MachineType mach, 4269773Snilay@cs.wisc.edu const Cycles initialRequestTime, 4279773Snilay@cs.wisc.edu const Cycles forwardRequestTime, 4289773Snilay@cs.wisc.edu const Cycles firstResponseTime) 4297565SBrad.Beckmann@amd.com{ 4307039Snate@binkert.org assert(address == line_address(address)); 4317455Snate@binkert.org assert(m_writeRequestTable.count(line_address(address))); 4326145Snate@binkert.org 4337455Snate@binkert.org RequestTable::iterator i = m_writeRequestTable.find(address); 4347455Snate@binkert.org assert(i != m_writeRequestTable.end()); 4357455Snate@binkert.org SequencerRequest* request = i->second; 4366145Snate@binkert.org 4377455Snate@binkert.org m_writeRequestTable.erase(i); 4387455Snate@binkert.org markRemoved(); 4396846Spdudnik@cs.wisc.edu 4408615Snilay@cs.wisc.edu assert((request->m_type == RubyRequestType_ST) || 4418615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_ATOMIC) || 4428615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_RMW_Read) || 4438615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_RMW_Write) || 4448615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Load_Linked) || 4458615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Store_Conditional) || 4468615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Locked_RMW_Read) || 4478615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_Locked_RMW_Write) || 4488615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_FLUSH)); 4498184Ssomayeh@cs.wisc.edu 4507550SBrad.Beckmann@amd.com // 4517550SBrad.Beckmann@amd.com // For Alpha, properly handle LL, SC, and write requests with respect to 4527550SBrad.Beckmann@amd.com // locked cache blocks. 4537550SBrad.Beckmann@amd.com // 4548171Stushar@csail.mit.edu // Not valid for Network_test protocl 4558171Stushar@csail.mit.edu // 4568171Stushar@csail.mit.edu bool success = true; 4578171Stushar@csail.mit.edu if(!m_usingNetworkTester) 4588171Stushar@csail.mit.edu success = handleLlsc(address, request); 4597550SBrad.Beckmann@amd.com 4608615Snilay@cs.wisc.edu if (request->m_type == RubyRequestType_Locked_RMW_Read) { 4617039Snate@binkert.org m_controller->blockOnQueue(address, m_mandatory_q_ptr); 4628615Snilay@cs.wisc.edu } else if (request->m_type == RubyRequestType_Locked_RMW_Write) { 4637039Snate@binkert.org m_controller->unblock(address); 4647039Snate@binkert.org } 4656863Sdrh5@cs.wisc.edu 4669773Snilay@cs.wisc.edu hitCallback(request, data, success, mach, externalHit, 4677565SBrad.Beckmann@amd.com initialRequestTime, forwardRequestTime, firstResponseTime); 4686145Snate@binkert.org} 4696145Snate@binkert.org 4707039Snate@binkert.orgvoid 4719773Snilay@cs.wisc.eduSequencer::readCallback(const Address& address, DataBlock& data, 4729773Snilay@cs.wisc.edu bool externalHit, const MachineType mach, 4739507Snilay@cs.wisc.edu Cycles initialRequestTime, 4749507Snilay@cs.wisc.edu Cycles forwardRequestTime, 4759507Snilay@cs.wisc.edu Cycles firstResponseTime) 4767565SBrad.Beckmann@amd.com{ 4777039Snate@binkert.org assert(address == line_address(address)); 4787455Snate@binkert.org assert(m_readRequestTable.count(line_address(address))); 4796145Snate@binkert.org 4807455Snate@binkert.org RequestTable::iterator i = m_readRequestTable.find(address); 4817455Snate@binkert.org assert(i != m_readRequestTable.end()); 4827455Snate@binkert.org SequencerRequest* request = i->second; 4837455Snate@binkert.org 4847455Snate@binkert.org m_readRequestTable.erase(i); 4857455Snate@binkert.org markRemoved(); 4866145Snate@binkert.org 4878615Snilay@cs.wisc.edu assert((request->m_type == RubyRequestType_LD) || 4888615Snilay@cs.wisc.edu (request->m_type == RubyRequestType_IFETCH)); 4896285Snate@binkert.org 4909773Snilay@cs.wisc.edu hitCallback(request, data, true, mach, externalHit, 4917565SBrad.Beckmann@amd.com initialRequestTime, forwardRequestTime, firstResponseTime); 4926145Snate@binkert.org} 4936145Snate@binkert.org 4947039Snate@binkert.orgvoid 4959773Snilay@cs.wisc.eduSequencer::hitCallback(SequencerRequest* srequest, DataBlock& data, 4969773Snilay@cs.wisc.edu bool llscSuccess, 4979773Snilay@cs.wisc.edu const MachineType mach, const bool externalHit, 4989773Snilay@cs.wisc.edu const Cycles initialRequestTime, 4999773Snilay@cs.wisc.edu const Cycles forwardRequestTime, 5009773Snilay@cs.wisc.edu const Cycles firstResponseTime) 5017039Snate@binkert.org{ 5028615Snilay@cs.wisc.edu PacketPtr pkt = srequest->pkt; 5038615Snilay@cs.wisc.edu Address request_address(pkt->getAddr()); 5048615Snilay@cs.wisc.edu Address request_line_address(pkt->getAddr()); 5057039Snate@binkert.org request_line_address.makeLineAddress(); 5068615Snilay@cs.wisc.edu RubyRequestType type = srequest->m_type; 5079507Snilay@cs.wisc.edu Cycles issued_time = srequest->issue_time; 5086145Snate@binkert.org 5097039Snate@binkert.org // Set this cache entry to the most recently used 5107039Snate@binkert.org if (type == RubyRequestType_IFETCH) { 5118828Snilay@cs.wisc.edu m_instCache_ptr->setMRU(request_line_address); 5127039Snate@binkert.org } else { 5138828Snilay@cs.wisc.edu m_dataCache_ptr->setMRU(request_line_address); 5147039Snate@binkert.org } 5156145Snate@binkert.org 5169465Snilay@cs.wisc.edu assert(curCycle() >= issued_time); 5179773Snilay@cs.wisc.edu Cycles total_latency = curCycle() - issued_time; 5186145Snate@binkert.org 5199773Snilay@cs.wisc.edu // Profile the latency for all demand accesses. 5209773Snilay@cs.wisc.edu recordMissLatency(total_latency, type, mach, externalHit, issued_time, 5219773Snilay@cs.wisc.edu initialRequestTime, forwardRequestTime, 5229773Snilay@cs.wisc.edu firstResponseTime, curCycle()); 5236285Snate@binkert.org 5249773Snilay@cs.wisc.edu DPRINTFR(ProtocolTrace, "%15s %3s %10s%20s %6s>%-6s %s %d cycles\n", 5259773Snilay@cs.wisc.edu curTick(), m_version, "Seq", 5269773Snilay@cs.wisc.edu llscSuccess ? "Done" : "SC_Failed", "", "", 5279773Snilay@cs.wisc.edu request_address, total_latency); 5286285Snate@binkert.org 5297039Snate@binkert.org // update the data 5308688Snilay@cs.wisc.edu if (g_system_ptr->m_warmup_enabled) { 5318688Snilay@cs.wisc.edu assert(pkt->getPtr<uint8_t>(false) != NULL); 5328688Snilay@cs.wisc.edu data.setData(pkt->getPtr<uint8_t>(false), 5338688Snilay@cs.wisc.edu request_address.getOffset(), pkt->getSize()); 5348688Snilay@cs.wisc.edu } else if (pkt->getPtr<uint8_t>(true) != NULL) { 5357039Snate@binkert.org if ((type == RubyRequestType_LD) || 5367039Snate@binkert.org (type == RubyRequestType_IFETCH) || 5377039Snate@binkert.org (type == RubyRequestType_RMW_Read) || 5387908Shestness@cs.utexas.edu (type == RubyRequestType_Locked_RMW_Read) || 5397907Shestness@cs.utexas.edu (type == RubyRequestType_Load_Linked)) { 5408615Snilay@cs.wisc.edu memcpy(pkt->getPtr<uint8_t>(true), 5418615Snilay@cs.wisc.edu data.getData(request_address.getOffset(), pkt->getSize()), 5428615Snilay@cs.wisc.edu pkt->getSize()); 5437039Snate@binkert.org } else { 5448615Snilay@cs.wisc.edu data.setData(pkt->getPtr<uint8_t>(true), 5458615Snilay@cs.wisc.edu request_address.getOffset(), pkt->getSize()); 5467039Snate@binkert.org } 5476285Snate@binkert.org } else { 5487039Snate@binkert.org DPRINTF(MemoryAccess, 5497039Snate@binkert.org "WARNING. Data not transfered from Ruby to M5 for type %s\n", 5507039Snate@binkert.org RubyRequestType_to_string(type)); 5517039Snate@binkert.org } 5527023SBrad.Beckmann@amd.com 5537039Snate@binkert.org // If using the RubyTester, update the RubyTester sender state's 5547039Snate@binkert.org // subBlock with the recieved data. The tester will later access 5557039Snate@binkert.org // this state. 5567039Snate@binkert.org if (m_usingRubyTester) { 5577039Snate@binkert.org RubyTester::SenderState* testerSenderState = 55810089Sandreas.hansson@arm.com pkt->findNextSenderState<RubyTester::SenderState>(); 55910089Sandreas.hansson@arm.com assert(testerSenderState); 5609542Sandreas.hansson@arm.com testerSenderState->subBlock.mergeFrom(data); 5617039Snate@binkert.org } 5627023SBrad.Beckmann@amd.com 5637039Snate@binkert.org delete srequest; 5648688Snilay@cs.wisc.edu 5658688Snilay@cs.wisc.edu if (g_system_ptr->m_warmup_enabled) { 5669632Sjthestness@gmail.com assert(pkt->req); 5679632Sjthestness@gmail.com delete pkt->req; 5688688Snilay@cs.wisc.edu delete pkt; 5698688Snilay@cs.wisc.edu g_system_ptr->m_cache_recorder->enqueueNextFetchRequest(); 5708688Snilay@cs.wisc.edu } else if (g_system_ptr->m_cooldown_enabled) { 5718688Snilay@cs.wisc.edu delete pkt; 5728688Snilay@cs.wisc.edu g_system_ptr->m_cache_recorder->enqueueNextFlushRequest(); 5738688Snilay@cs.wisc.edu } else { 5748688Snilay@cs.wisc.edu ruby_hit_callback(pkt); 5758688Snilay@cs.wisc.edu } 5766285Snate@binkert.org} 5776285Snate@binkert.org 5787039Snate@binkert.orgbool 5797039Snate@binkert.orgSequencer::empty() const 5807039Snate@binkert.org{ 5817455Snate@binkert.org return m_writeRequestTable.empty() && m_readRequestTable.empty(); 5826145Snate@binkert.org} 5836145Snate@binkert.org 5847039Snate@binkert.orgRequestStatus 5858615Snilay@cs.wisc.eduSequencer::makeRequest(PacketPtr pkt) 5867039Snate@binkert.org{ 5878615Snilay@cs.wisc.edu if (m_outstanding_count >= m_max_outstanding_requests) { 5888615Snilay@cs.wisc.edu return RequestStatus_BufferFull; 5898615Snilay@cs.wisc.edu } 5908615Snilay@cs.wisc.edu 5918615Snilay@cs.wisc.edu RubyRequestType primary_type = RubyRequestType_NULL; 5928615Snilay@cs.wisc.edu RubyRequestType secondary_type = RubyRequestType_NULL; 5938615Snilay@cs.wisc.edu 5948615Snilay@cs.wisc.edu if (pkt->isLLSC()) { 5958615Snilay@cs.wisc.edu // 5968615Snilay@cs.wisc.edu // Alpha LL/SC instructions need to be handled carefully by the cache 5978615Snilay@cs.wisc.edu // coherence protocol to ensure they follow the proper semantics. In 5988615Snilay@cs.wisc.edu // particular, by identifying the operations as atomic, the protocol 5998615Snilay@cs.wisc.edu // should understand that migratory sharing optimizations should not 6008615Snilay@cs.wisc.edu // be performed (i.e. a load between the LL and SC should not steal 6018615Snilay@cs.wisc.edu // away exclusive permission). 6028615Snilay@cs.wisc.edu // 6038615Snilay@cs.wisc.edu if (pkt->isWrite()) { 6048615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing SC\n"); 6058615Snilay@cs.wisc.edu primary_type = RubyRequestType_Store_Conditional; 6068615Snilay@cs.wisc.edu } else { 6078615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing LL\n"); 6088615Snilay@cs.wisc.edu assert(pkt->isRead()); 6098615Snilay@cs.wisc.edu primary_type = RubyRequestType_Load_Linked; 6108615Snilay@cs.wisc.edu } 6118615Snilay@cs.wisc.edu secondary_type = RubyRequestType_ATOMIC; 6128615Snilay@cs.wisc.edu } else if (pkt->req->isLocked()) { 6138615Snilay@cs.wisc.edu // 6148615Snilay@cs.wisc.edu // x86 locked instructions are translated to store cache coherence 6158615Snilay@cs.wisc.edu // requests because these requests should always be treated as read 6168615Snilay@cs.wisc.edu // exclusive operations and should leverage any migratory sharing 6178615Snilay@cs.wisc.edu // optimization built into the protocol. 6188615Snilay@cs.wisc.edu // 6198615Snilay@cs.wisc.edu if (pkt->isWrite()) { 6208615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing Locked RMW Write\n"); 6218615Snilay@cs.wisc.edu primary_type = RubyRequestType_Locked_RMW_Write; 6228615Snilay@cs.wisc.edu } else { 6238615Snilay@cs.wisc.edu DPRINTF(RubySequencer, "Issuing Locked RMW Read\n"); 6248615Snilay@cs.wisc.edu assert(pkt->isRead()); 6258615Snilay@cs.wisc.edu primary_type = RubyRequestType_Locked_RMW_Read; 6268615Snilay@cs.wisc.edu } 6278615Snilay@cs.wisc.edu secondary_type = RubyRequestType_ST; 6288615Snilay@cs.wisc.edu } else { 6298615Snilay@cs.wisc.edu if (pkt->isRead()) { 6308615Snilay@cs.wisc.edu if (pkt->req->isInstFetch()) { 6318615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_IFETCH; 6328615Snilay@cs.wisc.edu } else { 6338615Snilay@cs.wisc.edu#if THE_ISA == X86_ISA 6348615Snilay@cs.wisc.edu uint32_t flags = pkt->req->getFlags(); 6358615Snilay@cs.wisc.edu bool storeCheck = flags & 6368615Snilay@cs.wisc.edu (TheISA::StoreCheck << TheISA::FlagShift); 6378615Snilay@cs.wisc.edu#else 6388615Snilay@cs.wisc.edu bool storeCheck = false; 6398615Snilay@cs.wisc.edu#endif // X86_ISA 6408615Snilay@cs.wisc.edu if (storeCheck) { 6418615Snilay@cs.wisc.edu primary_type = RubyRequestType_RMW_Read; 6428615Snilay@cs.wisc.edu secondary_type = RubyRequestType_ST; 6438615Snilay@cs.wisc.edu } else { 6448615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_LD; 6458615Snilay@cs.wisc.edu } 6468615Snilay@cs.wisc.edu } 6478615Snilay@cs.wisc.edu } else if (pkt->isWrite()) { 6488615Snilay@cs.wisc.edu // 6498615Snilay@cs.wisc.edu // Note: M5 packets do not differentiate ST from RMW_Write 6508615Snilay@cs.wisc.edu // 6518615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_ST; 6528615Snilay@cs.wisc.edu } else if (pkt->isFlush()) { 6538615Snilay@cs.wisc.edu primary_type = secondary_type = RubyRequestType_FLUSH; 6548615Snilay@cs.wisc.edu } else { 6558615Snilay@cs.wisc.edu panic("Unsupported ruby packet type\n"); 6568615Snilay@cs.wisc.edu } 6578615Snilay@cs.wisc.edu } 6588615Snilay@cs.wisc.edu 6598615Snilay@cs.wisc.edu RequestStatus status = insertRequest(pkt, primary_type); 6607039Snate@binkert.org if (status != RequestStatus_Ready) 6617039Snate@binkert.org return status; 6626349Spdudnik@gmail.com 6638615Snilay@cs.wisc.edu issueRequest(pkt, secondary_type); 6646145Snate@binkert.org 6657039Snate@binkert.org // TODO: issue hardware prefetches here 6667039Snate@binkert.org return RequestStatus_Issued; 6676145Snate@binkert.org} 6686145Snate@binkert.org 6697039Snate@binkert.orgvoid 6708615Snilay@cs.wisc.eduSequencer::issueRequest(PacketPtr pkt, RubyRequestType secondary_type) 6717039Snate@binkert.org{ 6729216Sandreas.hansson@arm.com assert(pkt != NULL); 6738615Snilay@cs.wisc.edu int proc_id = -1; 6749216Sandreas.hansson@arm.com if (pkt->req->hasContextId()) { 6758615Snilay@cs.wisc.edu proc_id = pkt->req->contextId(); 6767039Snate@binkert.org } 6776285Snate@binkert.org 6788615Snilay@cs.wisc.edu // If valid, copy the pc to the ruby request 6798615Snilay@cs.wisc.edu Addr pc = 0; 6808615Snilay@cs.wisc.edu if (pkt->req->hasPC()) { 6818615Snilay@cs.wisc.edu pc = pkt->req->getPC(); 6827039Snate@binkert.org } 6836285Snate@binkert.org 6849508Snilay@cs.wisc.edu RubyRequest *msg = new RubyRequest(clockEdge(), pkt->getAddr(), 6858615Snilay@cs.wisc.edu pkt->getPtr<uint8_t>(true), 6868615Snilay@cs.wisc.edu pkt->getSize(), pc, secondary_type, 6878615Snilay@cs.wisc.edu RubyAccessMode_Supervisor, pkt, 6888188SLisa.Hsu@amd.com PrefetchBit_No, proc_id); 6896285Snate@binkert.org 6908266Sksewell@umich.edu DPRINTFR(ProtocolTrace, "%15s %3s %10s%20s %6s>%-6s %s %s\n", 6918266Sksewell@umich.edu curTick(), m_version, "Seq", "Begin", "", "", 6928615Snilay@cs.wisc.edu msg->getPhysicalAddress(), 6938615Snilay@cs.wisc.edu RubyRequestType_to_string(secondary_type)); 6946285Snate@binkert.org 6959499Snilay@cs.wisc.edu Cycles latency(0); // initialzed to an null value 6966285Snate@binkert.org 6978615Snilay@cs.wisc.edu if (secondary_type == RubyRequestType_IFETCH) 6987039Snate@binkert.org latency = m_instCache_ptr->getLatency(); 6997039Snate@binkert.org else 7007039Snate@binkert.org latency = m_dataCache_ptr->getLatency(); 7016285Snate@binkert.org 7027039Snate@binkert.org // Send the message to the cache controller 7037039Snate@binkert.org assert(latency > 0); 7046145Snate@binkert.org 7057039Snate@binkert.org assert(m_mandatory_q_ptr != NULL); 7067039Snate@binkert.org m_mandatory_q_ptr->enqueue(msg, latency); 7076145Snate@binkert.org} 7086145Snate@binkert.org 7097455Snate@binkert.orgtemplate <class KEY, class VALUE> 7107455Snate@binkert.orgstd::ostream & 7117455Snate@binkert.orgoperator<<(ostream &out, const m5::hash_map<KEY, VALUE> &map) 7127455Snate@binkert.org{ 7137455Snate@binkert.org typename m5::hash_map<KEY, VALUE>::const_iterator i = map.begin(); 7147455Snate@binkert.org typename m5::hash_map<KEY, VALUE>::const_iterator end = map.end(); 7157455Snate@binkert.org 7167455Snate@binkert.org out << "["; 7177455Snate@binkert.org for (; i != end; ++i) 7187455Snate@binkert.org out << " " << i->first << "=" << i->second; 7197455Snate@binkert.org out << " ]"; 7207455Snate@binkert.org 7217455Snate@binkert.org return out; 7227455Snate@binkert.org} 7237455Snate@binkert.org 7247039Snate@binkert.orgvoid 7257039Snate@binkert.orgSequencer::print(ostream& out) const 7267039Snate@binkert.org{ 7277039Snate@binkert.org out << "[Sequencer: " << m_version 7287039Snate@binkert.org << ", outstanding requests: " << m_outstanding_count 7297039Snate@binkert.org << ", read request table: " << m_readRequestTable 7307039Snate@binkert.org << ", write request table: " << m_writeRequestTable 7317039Snate@binkert.org << "]"; 7327039Snate@binkert.org} 7337039Snate@binkert.org 7347039Snate@binkert.org// this can be called from setState whenever coherence permissions are 7357039Snate@binkert.org// upgraded when invoked, coherence violations will be checked for the 7367039Snate@binkert.org// given block 7377039Snate@binkert.orgvoid 7387039Snate@binkert.orgSequencer::checkCoherence(const Address& addr) 7397039Snate@binkert.org{ 7406145Snate@binkert.org#ifdef CHECK_COHERENCE 7417039Snate@binkert.org g_system_ptr->checkGlobalCoherenceInvariant(addr); 7426145Snate@binkert.org#endif 7436145Snate@binkert.org} 7448717Snilay@cs.wisc.edu 7458717Snilay@cs.wisc.eduvoid 7469104Shestness@cs.utexas.eduSequencer::recordRequestType(SequencerRequestType requestType) { 7479104Shestness@cs.utexas.edu DPRINTF(RubyStats, "Recorded statistic: %s\n", 7489104Shestness@cs.utexas.edu SequencerRequestType_to_string(requestType)); 7499104Shestness@cs.utexas.edu} 7509104Shestness@cs.utexas.edu 7519104Shestness@cs.utexas.edu 7529104Shestness@cs.utexas.eduvoid 7538717Snilay@cs.wisc.eduSequencer::evictionCallback(const Address& address) 7548717Snilay@cs.wisc.edu{ 7558717Snilay@cs.wisc.edu ruby_eviction_callback(address); 7568717Snilay@cs.wisc.edu} 75710012Snilay@cs.wisc.edu 75810012Snilay@cs.wisc.eduvoid 75910012Snilay@cs.wisc.eduSequencer::regStats() 76010012Snilay@cs.wisc.edu{ 76110012Snilay@cs.wisc.edu m_store_waiting_on_load 76210012Snilay@cs.wisc.edu .name(name() + ".store_waiting_on_load") 76310012Snilay@cs.wisc.edu .desc("Number of times a store aliased with a pending load") 76410012Snilay@cs.wisc.edu .flags(Stats::nozero); 76510012Snilay@cs.wisc.edu m_store_waiting_on_store 76610012Snilay@cs.wisc.edu .name(name() + ".store_waiting_on_store") 76710012Snilay@cs.wisc.edu .desc("Number of times a store aliased with a pending store") 76810012Snilay@cs.wisc.edu .flags(Stats::nozero); 76910012Snilay@cs.wisc.edu m_load_waiting_on_load 77010012Snilay@cs.wisc.edu .name(name() + ".load_waiting_on_load") 77110012Snilay@cs.wisc.edu .desc("Number of times a load aliased with a pending load") 77210012Snilay@cs.wisc.edu .flags(Stats::nozero); 77310012Snilay@cs.wisc.edu m_load_waiting_on_store 77410012Snilay@cs.wisc.edu .name(name() + ".load_waiting_on_store") 77510012Snilay@cs.wisc.edu .desc("Number of times a load aliased with a pending store") 77610012Snilay@cs.wisc.edu .flags(Stats::nozero); 77710012Snilay@cs.wisc.edu 77810012Snilay@cs.wisc.edu // These statistical variables are not for display. 77910012Snilay@cs.wisc.edu // The profiler will collate these across different 78010012Snilay@cs.wisc.edu // sequencers and display those collated statistics. 78110012Snilay@cs.wisc.edu m_outstandReqHist.init(10); 78210012Snilay@cs.wisc.edu m_latencyHist.init(10); 78310012Snilay@cs.wisc.edu m_hitLatencyHist.init(10); 78410012Snilay@cs.wisc.edu m_missLatencyHist.init(10); 78510012Snilay@cs.wisc.edu 78610012Snilay@cs.wisc.edu for (int i = 0; i < RubyRequestType_NUM; i++) { 78710012Snilay@cs.wisc.edu m_typeLatencyHist.push_back(new Stats::Histogram()); 78810012Snilay@cs.wisc.edu m_typeLatencyHist[i]->init(10); 78910012Snilay@cs.wisc.edu 79010012Snilay@cs.wisc.edu m_hitTypeLatencyHist.push_back(new Stats::Histogram()); 79110012Snilay@cs.wisc.edu m_hitTypeLatencyHist[i]->init(10); 79210012Snilay@cs.wisc.edu 79310012Snilay@cs.wisc.edu m_missTypeLatencyHist.push_back(new Stats::Histogram()); 79410012Snilay@cs.wisc.edu m_missTypeLatencyHist[i]->init(10); 79510012Snilay@cs.wisc.edu } 79610012Snilay@cs.wisc.edu 79710012Snilay@cs.wisc.edu for (int i = 0; i < MachineType_NUM; i++) { 79810012Snilay@cs.wisc.edu m_hitMachLatencyHist.push_back(new Stats::Histogram()); 79910012Snilay@cs.wisc.edu m_hitMachLatencyHist[i]->init(10); 80010012Snilay@cs.wisc.edu 80110012Snilay@cs.wisc.edu m_missMachLatencyHist.push_back(new Stats::Histogram()); 80210012Snilay@cs.wisc.edu m_missMachLatencyHist[i]->init(10); 80310012Snilay@cs.wisc.edu 80410012Snilay@cs.wisc.edu m_IssueToInitialDelayHist.push_back(new Stats::Histogram()); 80510012Snilay@cs.wisc.edu m_IssueToInitialDelayHist[i]->init(10); 80610012Snilay@cs.wisc.edu 80710012Snilay@cs.wisc.edu m_InitialToForwardDelayHist.push_back(new Stats::Histogram()); 80810012Snilay@cs.wisc.edu m_InitialToForwardDelayHist[i]->init(10); 80910012Snilay@cs.wisc.edu 81010012Snilay@cs.wisc.edu m_ForwardToFirstResponseDelayHist.push_back(new Stats::Histogram()); 81110012Snilay@cs.wisc.edu m_ForwardToFirstResponseDelayHist[i]->init(10); 81210012Snilay@cs.wisc.edu 81310012Snilay@cs.wisc.edu m_FirstResponseToCompletionDelayHist.push_back(new Stats::Histogram()); 81410012Snilay@cs.wisc.edu m_FirstResponseToCompletionDelayHist[i]->init(10); 81510012Snilay@cs.wisc.edu } 81610012Snilay@cs.wisc.edu 81710012Snilay@cs.wisc.edu for (int i = 0; i < RubyRequestType_NUM; i++) { 81810012Snilay@cs.wisc.edu m_hitTypeMachLatencyHist.push_back(std::vector<Stats::Histogram *>()); 81910012Snilay@cs.wisc.edu m_missTypeMachLatencyHist.push_back(std::vector<Stats::Histogram *>()); 82010012Snilay@cs.wisc.edu 82110012Snilay@cs.wisc.edu for (int j = 0; j < MachineType_NUM; j++) { 82210012Snilay@cs.wisc.edu m_hitTypeMachLatencyHist[i].push_back(new Stats::Histogram()); 82310012Snilay@cs.wisc.edu m_hitTypeMachLatencyHist[i][j]->init(10); 82410012Snilay@cs.wisc.edu 82510012Snilay@cs.wisc.edu m_missTypeMachLatencyHist[i].push_back(new Stats::Histogram()); 82610012Snilay@cs.wisc.edu m_missTypeMachLatencyHist[i][j]->init(10); 82710012Snilay@cs.wisc.edu } 82810012Snilay@cs.wisc.edu } 82910012Snilay@cs.wisc.edu} 830