StoreTrace.cc revision 11793
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 297048Snate@binkert.org#include "mem/ruby/profiler/StoreTrace.hh" 3011793Sbrandon.potter@amd.com 319171Snilay@cs.wisc.edu#include "sim/core.hh" 326145Snate@binkert.org 337055Snate@binkert.orgusing namespace std; 347055Snate@binkert.org 357048Snate@binkert.orgbool StoreTrace::s_init = false; // Total number of store lifetimes of 367048Snate@binkert.org // all lines 3711061Snilay@cs.wisc.eduint64_t StoreTrace::s_total_samples = 0; // Total number of store 387048Snate@binkert.org // lifetimes of all lines 396145Snate@binkert.orgHistogram* StoreTrace::s_store_count_ptr = NULL; 406145Snate@binkert.orgHistogram* StoreTrace::s_store_first_to_stolen_ptr = NULL; 416145Snate@binkert.orgHistogram* StoreTrace::s_store_last_to_stolen_ptr = NULL; 426145Snate@binkert.orgHistogram* StoreTrace::s_store_first_to_last_ptr = NULL; 436145Snate@binkert.org 4411025Snilay@cs.wisc.eduStoreTrace::StoreTrace(Addr addr) 457048Snate@binkert.org : m_store_count(-1), m_store_first_to_stolen(-1), 467048Snate@binkert.org m_store_last_to_stolen(-1), m_store_first_to_last(-1) 476145Snate@binkert.org{ 487048Snate@binkert.org StoreTrace::initSummary(); 497048Snate@binkert.org m_addr = addr; 507048Snate@binkert.org m_total_samples = 0; 517048Snate@binkert.org 527048Snate@binkert.org // Really -1 isn't valid, so this will trigger the initilization code 537048Snate@binkert.org m_last_writer = -1; 547048Snate@binkert.org m_stores_this_interval = 0; 556145Snate@binkert.org} 566145Snate@binkert.org 576145Snate@binkert.orgStoreTrace::~StoreTrace() 586145Snate@binkert.org{ 596145Snate@binkert.org} 606145Snate@binkert.org 617048Snate@binkert.orgvoid 627048Snate@binkert.orgStoreTrace::print(ostream& out) const 636145Snate@binkert.org{ 647048Snate@binkert.org out << m_addr 657048Snate@binkert.org << " total_samples: " << m_total_samples << endl 667048Snate@binkert.org << "store_count: " << m_store_count << endl 677048Snate@binkert.org << "store_first_to_stolen: " << m_store_first_to_stolen << endl 687048Snate@binkert.org << "store_last_to_stolen: " << m_store_last_to_stolen << endl 697048Snate@binkert.org << "store_first_to_last: " << m_store_first_to_last << endl; 706145Snate@binkert.org} 716145Snate@binkert.org 727048Snate@binkert.orgvoid 737048Snate@binkert.orgStoreTrace::initSummary() 746145Snate@binkert.org{ 757048Snate@binkert.org if (!s_init) { 767048Snate@binkert.org s_total_samples = 0; 777048Snate@binkert.org s_store_count_ptr = new Histogram(-1); 787048Snate@binkert.org s_store_first_to_stolen_ptr = new Histogram(-1); 797048Snate@binkert.org s_store_last_to_stolen_ptr = new Histogram(-1); 807048Snate@binkert.org s_store_first_to_last_ptr = new Histogram(-1); 817048Snate@binkert.org } 827048Snate@binkert.org s_init = true; 836145Snate@binkert.org} 846145Snate@binkert.org 857048Snate@binkert.orgvoid 867048Snate@binkert.orgStoreTrace::printSummary(ostream& out) 876145Snate@binkert.org{ 887048Snate@binkert.org out << "total_samples: " << s_total_samples << endl; 897048Snate@binkert.org out << "store_count: " << (*s_store_count_ptr) << endl; 907048Snate@binkert.org out << "store_first_to_stolen: " << (*s_store_first_to_stolen_ptr) << endl; 917048Snate@binkert.org out << "store_last_to_stolen: " << (*s_store_last_to_stolen_ptr) << endl; 927048Snate@binkert.org out << "store_first_to_last: " << (*s_store_first_to_last_ptr) << endl; 936145Snate@binkert.org} 946145Snate@binkert.org 957048Snate@binkert.orgvoid 967048Snate@binkert.orgStoreTrace::clearSummary() 976145Snate@binkert.org{ 987048Snate@binkert.org StoreTrace::initSummary(); 997048Snate@binkert.org s_total_samples = 0; 1007048Snate@binkert.org s_store_count_ptr->clear(); 1017048Snate@binkert.org s_store_first_to_stolen_ptr->clear(); 1027048Snate@binkert.org s_store_last_to_stolen_ptr->clear(); 1037048Snate@binkert.org s_store_first_to_last_ptr->clear(); 1046145Snate@binkert.org} 1056145Snate@binkert.org 1067048Snate@binkert.orgvoid 1077048Snate@binkert.orgStoreTrace::store(NodeID node) 1086145Snate@binkert.org{ 1099171Snilay@cs.wisc.edu Tick current = curTick(); 1106145Snate@binkert.org 1117048Snate@binkert.org assert((m_last_writer == -1) || (m_last_writer == node)); 1126145Snate@binkert.org 1137048Snate@binkert.org m_last_writer = node; 1147048Snate@binkert.org if (m_last_writer == -1) { 1157048Snate@binkert.org assert(m_stores_this_interval == 0); 1167048Snate@binkert.org } 1176145Snate@binkert.org 1187048Snate@binkert.org if (m_stores_this_interval == 0) { 1197048Snate@binkert.org // A new proessor just wrote the line, so reset the stats 1207048Snate@binkert.org m_first_store = current; 1217048Snate@binkert.org } 1226145Snate@binkert.org 1237048Snate@binkert.org m_last_store = current; 1247048Snate@binkert.org m_stores_this_interval++; 1256145Snate@binkert.org} 1266145Snate@binkert.org 1277048Snate@binkert.orgvoid 1287048Snate@binkert.orgStoreTrace::downgrade(NodeID node) 1296145Snate@binkert.org{ 1307048Snate@binkert.org if (node == m_last_writer) { 13110302Snilay@cs.wisc.edu Tick current = curTick(); 1327048Snate@binkert.org assert(m_stores_this_interval != 0); 1337048Snate@binkert.org assert(m_last_store != 0); 1347048Snate@binkert.org assert(m_first_store != 0); 1357048Snate@binkert.org assert(m_last_writer != -1); 1366145Snate@binkert.org 1377048Snate@binkert.org // Per line stats 1387048Snate@binkert.org m_store_first_to_stolen.add(current - m_first_store); 1397048Snate@binkert.org m_store_count.add(m_stores_this_interval); 1407048Snate@binkert.org m_store_last_to_stolen.add(current - m_last_store); 1417048Snate@binkert.org m_store_first_to_last.add(m_last_store - m_first_store); 1427048Snate@binkert.org m_total_samples++; 1436145Snate@binkert.org 1447048Snate@binkert.org // Global stats 1457048Snate@binkert.org assert(s_store_first_to_stolen_ptr != NULL); 1467048Snate@binkert.org s_store_first_to_stolen_ptr->add(current - m_first_store); 1477048Snate@binkert.org s_store_count_ptr->add(m_stores_this_interval); 1487048Snate@binkert.org s_store_last_to_stolen_ptr->add(current - m_last_store); 1497048Snate@binkert.org s_store_first_to_last_ptr->add(m_last_store - m_first_store); 1507048Snate@binkert.org s_total_samples++; 1516145Snate@binkert.org 1527048Snate@binkert.org // Initilize for next go round 1537048Snate@binkert.org m_stores_this_interval = 0; 1547048Snate@binkert.org m_last_store = 0; 1557048Snate@binkert.org m_first_store = 0; 1567048Snate@binkert.org m_last_writer = -1; 1577048Snate@binkert.org } 1586145Snate@binkert.org} 159