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Diffstat (limited to 'src/mem/ruby/tester/DetermInvGenerator.cc')
| -rw-r--r-- | src/mem/ruby/tester/DetermInvGenerator.cc | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/src/mem/ruby/tester/DetermInvGenerator.cc b/src/mem/ruby/tester/DetermInvGenerator.cc deleted file mode 100644 index bf1f3c3d1..000000000 --- a/src/mem/ruby/tester/DetermInvGenerator.cc +++ /dev/null @@ -1,220 +0,0 @@ - -/* - * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * $Id$ - * - */ - -// This Deterministic Generator generates GETS request for all nodes in the system -// then Invalidates them with a GETX. The GETS and GETX request are generated one -// at a time in round-robin fashion 0...1...2...etc. - -#include "mem/ruby/common/Global.hh" -#include "mem/ruby/tester/DetermInvGenerator.hh" -#include "mem/protocol/DetermInvGeneratorStatus.hh" -#include "mem/ruby/tester/DeterministicDriver.hh" -#include "mem/ruby/tester/Tester_Globals.hh" -//#include "DMAController.hh" -#include "mem/ruby/libruby.hh" - -DetermInvGenerator::DetermInvGenerator(NodeID node, DeterministicDriver& driver) : - m_driver(driver) -{ - m_status = DetermInvGeneratorStatus_Thinking; - m_last_transition = 0; - m_node = node; - m_address = Address(9999); // initiate to a NULL value - m_counter = 0; - // don't know exactly when this node needs to request so just guess randomly - m_driver.eventQueue->scheduleEvent(this, 1+(random() % 200)); -} - -DetermInvGenerator::~DetermInvGenerator() -{ -} - -void DetermInvGenerator::wakeup() -{ - DEBUG_EXPR(TESTER_COMP, MedPrio, m_node); - DEBUG_EXPR(TESTER_COMP, MedPrio, m_status); - - // determine if this node is next for the load round robin request - if (m_status == DetermInvGeneratorStatus_Thinking) { - // is a load ready and waiting and are my transactions insync with global transactions - if (m_driver.isLoadReady(m_node) && m_counter == m_driver.getStoresCompleted()) { - pickLoadAddress(); - m_status = DetermInvGeneratorStatus_Load_Pending; // Load Pending - m_last_transition = m_driver.eventQueue->getTime(); - initiateLoad(); // GETS - } else { // I'll check again later - m_driver.eventQueue->scheduleEvent(this, thinkTime()); - } - } else if (m_status == DetermInvGeneratorStatus_Load_Complete) { - if (m_driver.isStoreReady(m_node, m_address)) { // do a store in this transaction or start the next one - if (m_driver.isLoadReady((0), m_address)) { // everyone is in S for this address i.e. back to node 0 - m_status = DetermInvGeneratorStatus_Store_Pending; - m_last_transition = m_driver.eventQueue->getTime(); - initiateStore(); // GETX - } else { // I'm next, I just have to wait for all loads to complete - m_driver.eventQueue->scheduleEvent(this, thinkTime()); - } - } else { // I'm not next to store, go back to thinking - m_status = DetermInvGeneratorStatus_Thinking; - m_driver.eventQueue->scheduleEvent(this, thinkTime()); - } - } else { - WARN_EXPR(m_status); - ERROR_MSG("Invalid status"); - } - -} - -void DetermInvGenerator::performCallback(NodeID proc, Address address) -{ - assert(proc == m_node); - assert(address == m_address); - - DEBUG_EXPR(TESTER_COMP, LowPrio, proc); - DEBUG_EXPR(TESTER_COMP, LowPrio, m_status); - DEBUG_EXPR(TESTER_COMP, LowPrio, address); - - if (m_status == DetermInvGeneratorStatus_Load_Pending) { - m_driver.recordLoadLatency(m_driver.eventQueue->getTime() - m_last_transition); - //NodeID firstByte = data.readByte(); // dummy read - - m_driver.loadCompleted(m_node, address); - - if (!m_driver.isStoreReady(m_node, m_address)) { // if we don't have to store, we are done for this transaction - m_counter++; - } - if (m_counter < m_driver.m_tester_length) { - m_status = DetermInvGeneratorStatus_Load_Complete; - m_last_transition = m_driver.eventQueue->getTime(); - m_driver.eventQueue->scheduleEvent(this, waitTime()); - } else { - m_driver.reportDone(); - m_status = DetermInvGeneratorStatus_Done; - m_last_transition = m_driver.eventQueue->getTime(); - } - - } else if (m_status == DetermInvGeneratorStatus_Store_Pending) { - m_driver.recordStoreLatency(m_driver.eventQueue->getTime() - m_last_transition); - //data.writeByte(m_node); - m_driver.storeCompleted(m_node, address); // advance the store queue - - m_counter++; - if (m_counter < m_driver.m_tester_length) { - m_status = DetermInvGeneratorStatus_Thinking; - m_last_transition = m_driver.eventQueue->getTime(); - m_driver.eventQueue->scheduleEvent(this, waitTime()); - } else { - m_driver.reportDone(); - m_status = DetermInvGeneratorStatus_Done; - m_last_transition = m_driver.eventQueue->getTime(); - } - } else { - WARN_EXPR(m_status); - ERROR_MSG("Invalid status"); - } - - DEBUG_EXPR(TESTER_COMP, LowPrio, proc); - DEBUG_EXPR(TESTER_COMP, LowPrio, m_status); - DEBUG_EXPR(TESTER_COMP, LowPrio, address); - -} - -int DetermInvGenerator::thinkTime() const -{ - return m_driver.m_think_time; -} - -int DetermInvGenerator::waitTime() const -{ - return m_driver.m_wait_time; -} - -int DetermInvGenerator::holdTime() const -{ - assert(0); -} - -void DetermInvGenerator::pickLoadAddress() -{ - assert(m_status == DetermInvGeneratorStatus_Thinking); - - m_address = m_driver.getNextLoadAddr(m_node); -} - -void DetermInvGenerator::initiateLoad() -{ - DEBUG_MSG(TESTER_COMP, MedPrio, "initiating Load"); - // sequencer()->makeRequest(CacheMsg(m_address, m_address, CacheRequestType_LD, Address(1), AccessModeType_UserMode, 1, PrefetchBit_No, Address(0), 0 /* only 1 SMT thread */)); - uint8_t * read_data = new uint8_t[64]; - - char name [] = "Sequencer_"; - char port_name [13]; - sprintf(port_name, "%s%d", name, m_node); - - int64_t request_id = libruby_issue_request(libruby_get_port_by_name(port_name), RubyRequest(m_address.getAddress(), read_data, 64, 0, RubyRequestType_LD, RubyAccessMode_Supervisor)); - - //delete [] read_data; - - ASSERT(m_driver.requests.find(request_id) == m_driver.requests.end()); - m_driver.requests.insert(make_pair(request_id, make_pair(m_node, m_address))); - -} - -void DetermInvGenerator::initiateStore() -{ - DEBUG_MSG(TESTER_COMP, MedPrio, "initiating Store"); - // sequencer()->makeRequest(CacheMsg(m_address, m_address, CacheRequestType_ST, Address(3), AccessModeType_UserMode, 1, PrefetchBit_No, Address(0), 0 /* only 1 SMT thread */)); - uint8_t *write_data = new uint8_t[64]; - for(int i=0; i < 64; i++) { - write_data[i] = m_node; - } - - char name [] = "Sequencer_"; - char port_name [13]; - sprintf(port_name, "%s%d", name, m_node); - - int64_t request_id = libruby_issue_request(libruby_get_port_by_name(port_name), RubyRequest(m_address.getAddress(), write_data, 64, 0, RubyRequestType_ST, RubyAccessMode_Supervisor)); - - //delete [] write_data; - - ASSERT(m_driver.requests.find(request_id) == m_driver.requests.end()); - m_driver.requests.insert(make_pair(request_id, make_pair(m_node, m_address))); - -} - -void DetermInvGenerator::print(ostream& out) const -{ - out << "[DetermInvGenerator]" << endl; -} - |