RubyTester.cc revision 8232
1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * Copyright (c) 2009 Advanced Micro Devices, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; 10 * redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution; 13 * neither the name of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#include "base/misc.hh" 31#include "cpu/testers/rubytest/Check.hh" 32#include "cpu/testers/rubytest/RubyTester.hh" 33#include "debug/RubyTest.hh" 34#include "mem/ruby/common/Global.hh" 35#include "mem/ruby/common/SubBlock.hh" 36#include "mem/ruby/eventqueue/RubyEventQueue.hh" 37#include "mem/ruby/system/System.hh" 38#include "sim/sim_exit.hh" 39 40RubyTester::RubyTester(const Params *p) 41 : MemObject(p), checkStartEvent(this), 42 m_checks_to_complete(p->checks_to_complete), 43 m_deadlock_threshold(p->deadlock_threshold), 44 m_wakeup_frequency(p->wakeup_frequency), 45 m_check_flush(p->check_flush) 46{ 47 m_checks_completed = 0; 48 49 // add the check start event to the event queue 50 schedule(checkStartEvent, 1); 51} 52 53RubyTester::~RubyTester() 54{ 55 delete m_checkTable_ptr; 56 for (int i = 0; i < ports.size(); i++) 57 delete ports[i]; 58} 59 60void 61RubyTester::init() 62{ 63 assert(ports.size() > 0); 64 65 m_last_progress_vector.resize(ports.size()); 66 for (int i = 0; i < m_last_progress_vector.size(); i++) { 67 m_last_progress_vector[i] = 0; 68 } 69 70 m_num_cpu_sequencers = ports.size(); 71 72 m_checkTable_ptr = new CheckTable(m_num_cpu_sequencers, this); 73} 74 75Port * 76RubyTester::getPort(const std::string &if_name, int idx) 77{ 78 if (if_name != "cpuPort") { 79 panic("RubyTester::getPort: unknown port %s requested", if_name); 80 } 81 82 if (idx >= (int)ports.size()) { 83 ports.resize(idx + 1); 84 } 85 86 if (ports[idx] != NULL) { 87 panic("RubyTester::getPort: port %d already assigned", idx); 88 } 89 90 CpuPort *port = new CpuPort(csprintf("%s-port%d", name(), idx), this, idx); 91 92 ports[idx] = port; 93 return port; 94} 95 96Tick 97RubyTester::CpuPort::recvAtomic(PacketPtr pkt) 98{ 99 panic("RubyTester::CpuPort::recvAtomic() not implemented!\n"); 100 return 0; 101} 102 103bool 104RubyTester::CpuPort::recvTiming(PacketPtr pkt) 105{ 106 // retrieve the subblock and call hitCallback 107 RubyTester::SenderState* senderState = 108 safe_cast<RubyTester::SenderState*>(pkt->senderState); 109 SubBlock* subblock = senderState->subBlock; 110 assert(subblock != NULL); 111 112 // pop the sender state from the packet 113 pkt->senderState = senderState->saved; 114 115 tester->hitCallback(idx, subblock); 116 117 // Now that the tester has completed, delete the senderState 118 // (includes sublock) and the packet, then return 119 delete senderState; 120 delete pkt->req; 121 delete pkt; 122 return true; 123} 124 125Port* 126RubyTester::getCpuPort(int idx) 127{ 128 assert(idx >= 0 && idx < ports.size()); 129 130 return ports[idx]; 131} 132 133void 134RubyTester::hitCallback(NodeID proc, SubBlock* data) 135{ 136 // Mark that we made progress 137 m_last_progress_vector[proc] = g_eventQueue_ptr->getTime(); 138 139 DPRINTF(RubyTest, "completed request for proc: %d\n", proc); 140 DPRINTF(RubyTest, "addr: 0x%x, size: %d, data: ", 141 data->getAddress(), data->getSize()); 142 for (int byte = 0; byte < data->getSize(); byte++) { 143 DPRINTF(RubyTest, "%d", data->getByte(byte)); 144 } 145 DPRINTF(RubyTest, "\n"); 146 147 // This tells us our store has 'completed' or for a load gives us 148 // back the data to make the check 149 Check* check_ptr = m_checkTable_ptr->getCheck(data->getAddress()); 150 assert(check_ptr != NULL); 151 check_ptr->performCallback(proc, data); 152} 153 154void 155RubyTester::wakeup() 156{ 157 if (m_checks_completed < m_checks_to_complete) { 158 // Try to perform an action or check 159 Check* check_ptr = m_checkTable_ptr->getRandomCheck(); 160 assert(check_ptr != NULL); 161 check_ptr->initiate(); 162 163 checkForDeadlock(); 164 165 schedule(checkStartEvent, curTick() + m_wakeup_frequency); 166 } else { 167 exitSimLoop("Ruby Tester completed"); 168 } 169} 170 171void 172RubyTester::checkForDeadlock() 173{ 174 int size = m_last_progress_vector.size(); 175 Time current_time = g_eventQueue_ptr->getTime(); 176 for (int processor = 0; processor < size; processor++) { 177 if ((current_time - m_last_progress_vector[processor]) > 178 m_deadlock_threshold) { 179 panic("Deadlock detected: current_time: %d last_progress_time: %d " 180 "difference: %d processor: %d\n", 181 current_time, m_last_progress_vector[processor], 182 current_time - m_last_progress_vector[processor], processor); 183 } 184 } 185} 186 187void 188RubyTester::print(std::ostream& out) const 189{ 190 out << "[RubyTester]" << std::endl; 191} 192 193RubyTester * 194RubyTesterParams::create() 195{ 196 return new RubyTester(this); 197} 198