a49b1df3f0
This patch does several things. First, the counter for fully busy cycles for a controller is now kept with in the controller, instead of being part of the profiler. Second, the topology class no longer keeps an array of controllers which was only used for printing stats. Instead, ruby system will now ask each controller to print the stats. Thirdly, the statistical variable for recording how many different types were created is being moved in to the controller from the profiler. Note that for printing, the profiler will collate results from different controllers.
750 lines
25 KiB
C++
750 lines
25 KiB
C++
/*
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* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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This file has been modified by Kevin Moore and Dan Nussbaum of the
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Scalable Systems Research Group at Sun Microsystems Laboratories
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(http://research.sun.com/scalable/) to support the Adaptive
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Transactional Memory Test Platform (ATMTP).
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Please send email to atmtp-interest@sun.com with feedback, questions, or
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to request future announcements about ATMTP.
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----------------------------------------------------------------------
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File modification date: 2008-02-23
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----------------------------------------------------------------------
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*/
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// Allows use of times() library call, which determines virtual runtime
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#include <sys/resource.h>
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#include <sys/times.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <algorithm>
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#include <fstream>
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#include "base/stl_helpers.hh"
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#include "base/str.hh"
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#include "mem/protocol/MachineType.hh"
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#include "mem/protocol/RubyRequest.hh"
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#include "mem/ruby/network/Network.hh"
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#include "mem/ruby/profiler/AddressProfiler.hh"
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#include "mem/ruby/profiler/Profiler.hh"
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#include "mem/ruby/system/System.hh"
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using namespace std;
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using m5::stl_helpers::operator<<;
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static double process_memory_total();
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static double process_memory_resident();
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Profiler::Profiler(const Params *p)
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: SimObject(p), m_event(this)
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{
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m_inst_profiler_ptr = NULL;
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m_address_profiler_ptr = NULL;
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m_real_time_start_time = time(NULL); // Not reset in clearStats()
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m_stats_period = 1000000; // Default
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m_periodic_output_file_ptr = &cerr;
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m_hot_lines = p->hot_lines;
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m_all_instructions = p->all_instructions;
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m_num_of_sequencers = p->num_of_sequencers;
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m_hot_lines = false;
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m_all_instructions = false;
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m_address_profiler_ptr = new AddressProfiler(m_num_of_sequencers);
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m_address_profiler_ptr->setHotLines(m_hot_lines);
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m_address_profiler_ptr->setAllInstructions(m_all_instructions);
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if (m_all_instructions) {
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m_inst_profiler_ptr = new AddressProfiler(m_num_of_sequencers);
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m_inst_profiler_ptr->setHotLines(m_hot_lines);
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m_inst_profiler_ptr->setAllInstructions(m_all_instructions);
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}
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p->ruby_system->registerProfiler(this);
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}
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Profiler::~Profiler()
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{
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if (m_periodic_output_file_ptr != &cerr) {
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delete m_periodic_output_file_ptr;
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}
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}
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void
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Profiler::wakeup()
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{
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// FIXME - avoid the repeated code
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vector<int64_t> perProcCycleCount(m_num_of_sequencers);
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for (int i = 0; i < m_num_of_sequencers; i++) {
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perProcCycleCount[i] =
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g_system_ptr->getTime() - m_cycles_executed_at_start[i] + 1;
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// The +1 allows us to avoid division by zero
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}
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ostream &out = *m_periodic_output_file_ptr;
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out << "ruby_cycles: " << g_system_ptr->getTime()-m_ruby_start << endl
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<< "mbytes_resident: " << process_memory_resident() << endl
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<< "mbytes_total: " << process_memory_total() << endl;
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if (process_memory_total() > 0) {
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out << "resident_ratio: "
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<< process_memory_resident() / process_memory_total() << endl;
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}
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out << "miss_latency: " << m_allMissLatencyHistogram << endl;
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out << endl;
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if (m_all_instructions) {
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m_inst_profiler_ptr->printStats(out);
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}
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//g_system_ptr->getNetwork()->printStats(out);
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schedule(m_event, g_system_ptr->clockEdge(Cycles(m_stats_period)));
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}
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void
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Profiler::setPeriodicStatsFile(const string& filename)
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{
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cout << "Recording periodic statistics to file '" << filename << "' every "
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<< m_stats_period << " Ruby cycles" << endl;
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if (m_periodic_output_file_ptr != &cerr) {
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delete m_periodic_output_file_ptr;
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}
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m_periodic_output_file_ptr = new ofstream(filename.c_str());
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schedule(m_event, g_system_ptr->clockEdge(Cycles(1)));
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}
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void
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Profiler::setPeriodicStatsInterval(int64_t period)
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{
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cout << "Recording periodic statistics every " << m_stats_period
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<< " Ruby cycles" << endl;
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m_stats_period = period;
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schedule(m_event, g_system_ptr->clockEdge(Cycles(1)));
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}
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void
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Profiler::print(ostream& out) const
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{
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out << "[Profiler]";
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}
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void
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Profiler::printRequestProfile(ostream &out)
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{
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out << "Request vs. RubySystem State Profile" << endl;
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out << "--------------------------------" << endl;
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out << endl;
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map<string, uint64_t> m_requestProfileMap;
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uint64_t m_requests = 0;
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for (uint32_t i = 0; i < MachineType_NUM; i++) {
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for (map<uint32_t, AbstractController*>::iterator it =
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g_abs_controls[i].begin();
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it != g_abs_controls[i].end(); ++it) {
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AbstractController *ctr = (*it).second;
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map<string, uint64_t> mp = ctr->getRequestProfileMap();
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for (map<string, uint64_t>::iterator jt = mp.begin();
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jt != mp.end(); ++jt) {
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map<string, uint64_t>::iterator kt =
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m_requestProfileMap.find((*jt).first);
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if (kt != m_requestProfileMap.end()) {
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(*kt).second += (*jt).second;
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} else {
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m_requestProfileMap[(*jt).first] = (*jt).second;
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}
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}
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m_requests += ctr->getRequestCount();
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}
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}
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map<string, uint64_t>::const_iterator i = m_requestProfileMap.begin();
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map<string, uint64_t>::const_iterator end = m_requestProfileMap.end();
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for (; i != end; ++i) {
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const string &key = i->first;
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uint64_t count = i->second;
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double percent = (100.0 * double(count)) / double(m_requests);
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vector<string> items;
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tokenize(items, key, ':');
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vector<string>::iterator j = items.begin();
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vector<string>::iterator end = items.end();
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for (; j != end; ++i)
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out << setw(10) << *j;
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out << setw(11) << count;
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out << setw(14) << percent << endl;
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}
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out << endl;
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}
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void
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Profiler::printStats(ostream& out, bool short_stats)
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{
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out << endl;
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if (short_stats) {
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out << "SHORT ";
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}
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out << "Profiler Stats" << endl;
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out << "--------------" << endl;
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time_t real_time_current = time(NULL);
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double seconds = difftime(real_time_current, m_real_time_start_time);
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double minutes = seconds / 60.0;
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double hours = minutes / 60.0;
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double days = hours / 24.0;
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Time ruby_cycles = g_system_ptr->getTime()-m_ruby_start;
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if (!short_stats) {
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out << "Elapsed_time_in_seconds: " << seconds << endl;
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out << "Elapsed_time_in_minutes: " << minutes << endl;
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out << "Elapsed_time_in_hours: " << hours << endl;
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out << "Elapsed_time_in_days: " << days << endl;
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out << endl;
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}
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// print the virtual runtimes as well
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struct tms vtime;
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times(&vtime);
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seconds = (vtime.tms_utime + vtime.tms_stime) / 100.0;
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minutes = seconds / 60.0;
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hours = minutes / 60.0;
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days = hours / 24.0;
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out << "Virtual_time_in_seconds: " << seconds << endl;
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out << "Virtual_time_in_minutes: " << minutes << endl;
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out << "Virtual_time_in_hours: " << hours << endl;
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out << "Virtual_time_in_days: " << days << endl;
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out << endl;
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out << "Ruby_current_time: " << g_system_ptr->getTime() << endl;
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out << "Ruby_start_time: " << m_ruby_start << endl;
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out << "Ruby_cycles: " << ruby_cycles << endl;
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out << endl;
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if (!short_stats) {
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out << "mbytes_resident: " << process_memory_resident() << endl;
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out << "mbytes_total: " << process_memory_total() << endl;
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if (process_memory_total() > 0) {
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out << "resident_ratio: "
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<< process_memory_resident()/process_memory_total() << endl;
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}
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out << endl;
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}
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vector<int64_t> perProcCycleCount(m_num_of_sequencers);
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for (int i = 0; i < m_num_of_sequencers; i++) {
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perProcCycleCount[i] =
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g_system_ptr->getTime() - m_cycles_executed_at_start[i] + 1;
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// The +1 allows us to avoid division by zero
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}
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out << "ruby_cycles_executed: " << perProcCycleCount << endl;
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out << endl;
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if (!short_stats) {
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out << "Busy Controller Counts:" << endl;
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for (uint32_t i = 0; i < MachineType_NUM; i++) {
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uint32_t size = MachineType_base_count((MachineType)i);
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for (uint32_t j = 0; j < size; j++) {
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MachineID machID;
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machID.type = (MachineType)i;
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machID.num = j;
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AbstractController *ctr =
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(*(g_abs_controls[i].find(j))).second;
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out << machID << ":" << ctr->getFullyBusyCycles() << " ";
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if ((j + 1) % 8 == 0) {
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out << endl;
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}
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}
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out << endl;
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}
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out << endl;
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out << "Busy Bank Count:" << m_busyBankCount << endl;
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out << endl;
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out << "sequencer_requests_outstanding: "
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<< m_sequencer_requests << endl;
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out << endl;
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}
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if (!short_stats) {
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out << "All Non-Zero Cycle Demand Cache Accesses" << endl;
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out << "----------------------------------------" << endl;
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out << "miss_latency: " << m_allMissLatencyHistogram << endl;
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for (int i = 0; i < m_missLatencyHistograms.size(); i++) {
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if (m_missLatencyHistograms[i].size() > 0) {
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out << "miss_latency_" << RubyRequestType(i) << ": "
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<< m_missLatencyHistograms[i] << endl;
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}
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}
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for (int i = 0; i < m_machLatencyHistograms.size(); i++) {
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if (m_machLatencyHistograms[i].size() > 0) {
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out << "miss_latency_" << GenericMachineType(i) << ": "
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<< m_machLatencyHistograms[i] << endl;
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}
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}
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out << "miss_latency_wCC_issue_to_initial_request: "
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<< m_wCCIssueToInitialRequestHistogram << endl;
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out << "miss_latency_wCC_initial_forward_request: "
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<< m_wCCInitialRequestToForwardRequestHistogram << endl;
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out << "miss_latency_wCC_forward_to_first_response: "
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<< m_wCCForwardRequestToFirstResponseHistogram << endl;
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out << "miss_latency_wCC_first_response_to_completion: "
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<< m_wCCFirstResponseToCompleteHistogram << endl;
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out << "imcomplete_wCC_Times: " << m_wCCIncompleteTimes << endl;
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out << "miss_latency_dir_issue_to_initial_request: "
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<< m_dirIssueToInitialRequestHistogram << endl;
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out << "miss_latency_dir_initial_forward_request: "
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<< m_dirInitialRequestToForwardRequestHistogram << endl;
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out << "miss_latency_dir_forward_to_first_response: "
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<< m_dirForwardRequestToFirstResponseHistogram << endl;
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out << "miss_latency_dir_first_response_to_completion: "
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<< m_dirFirstResponseToCompleteHistogram << endl;
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out << "imcomplete_dir_Times: " << m_dirIncompleteTimes << endl;
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for (int i = 0; i < m_missMachLatencyHistograms.size(); i++) {
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for (int j = 0; j < m_missMachLatencyHistograms[i].size(); j++) {
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if (m_missMachLatencyHistograms[i][j].size() > 0) {
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out << "miss_latency_" << RubyRequestType(i)
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<< "_" << GenericMachineType(j) << ": "
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<< m_missMachLatencyHistograms[i][j] << endl;
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}
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}
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}
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out << endl;
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out << "All Non-Zero Cycle SW Prefetch Requests" << endl;
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out << "------------------------------------" << endl;
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out << "prefetch_latency: " << m_allSWPrefetchLatencyHistogram << endl;
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for (int i = 0; i < m_SWPrefetchLatencyHistograms.size(); i++) {
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if (m_SWPrefetchLatencyHistograms[i].size() > 0) {
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out << "prefetch_latency_" << RubyRequestType(i) << ": "
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<< m_SWPrefetchLatencyHistograms[i] << endl;
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}
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}
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for (int i = 0; i < m_SWPrefetchMachLatencyHistograms.size(); i++) {
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if (m_SWPrefetchMachLatencyHistograms[i].size() > 0) {
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out << "prefetch_latency_" << GenericMachineType(i) << ": "
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<< m_SWPrefetchMachLatencyHistograms[i] << endl;
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}
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}
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out << "prefetch_latency_L2Miss:"
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<< m_SWPrefetchL2MissLatencyHistogram << endl;
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if (m_all_sharing_histogram.size() > 0) {
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out << "all_sharing: " << m_all_sharing_histogram << endl;
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out << "read_sharing: " << m_read_sharing_histogram << endl;
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out << "write_sharing: " << m_write_sharing_histogram << endl;
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out << "all_sharing_percent: ";
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m_all_sharing_histogram.printPercent(out);
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out << endl;
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out << "read_sharing_percent: ";
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m_read_sharing_histogram.printPercent(out);
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out << endl;
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out << "write_sharing_percent: ";
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m_write_sharing_histogram.printPercent(out);
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out << endl;
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int64 total_miss = m_cache_to_cache + m_memory_to_cache;
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out << "all_misses: " << total_miss << endl;
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out << "cache_to_cache_misses: " << m_cache_to_cache << endl;
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out << "memory_to_cache_misses: " << m_memory_to_cache << endl;
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out << "cache_to_cache_percent: "
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<< 100.0 * (double(m_cache_to_cache) / double(total_miss))
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<< endl;
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out << "memory_to_cache_percent: "
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<< 100.0 * (double(m_memory_to_cache) / double(total_miss))
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<< endl;
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out << endl;
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}
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if (m_outstanding_requests.size() > 0) {
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out << "outstanding_requests: ";
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m_outstanding_requests.printPercent(out);
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out << endl;
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out << endl;
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}
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}
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if (!short_stats) {
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printRequestProfile(out);
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out << "filter_action: " << m_filter_action_histogram << endl;
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if (!m_all_instructions) {
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m_address_profiler_ptr->printStats(out);
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}
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if (m_all_instructions) {
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m_inst_profiler_ptr->printStats(out);
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}
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out << endl;
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out << "Message Delayed Cycles" << endl;
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out << "----------------------" << endl;
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out << "Total_delay_cycles: " << m_delayedCyclesHistogram << endl;
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out << "Total_nonPF_delay_cycles: "
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<< m_delayedCyclesNonPFHistogram << endl;
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for (int i = 0; i < m_delayedCyclesVCHistograms.size(); i++) {
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out << " virtual_network_" << i << "_delay_cycles: "
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<< m_delayedCyclesVCHistograms[i] << endl;
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}
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printResourceUsage(out);
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}
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}
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void
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Profiler::printResourceUsage(ostream& out) const
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{
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out << endl;
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out << "Resource Usage" << endl;
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out << "--------------" << endl;
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int64_t pagesize = getpagesize(); // page size in bytes
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out << "page_size: " << pagesize << endl;
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rusage usage;
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getrusage (RUSAGE_SELF, &usage);
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out << "user_time: " << usage.ru_utime.tv_sec << endl;
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out << "system_time: " << usage.ru_stime.tv_sec << endl;
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out << "page_reclaims: " << usage.ru_minflt << endl;
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out << "page_faults: " << usage.ru_majflt << endl;
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out << "swaps: " << usage.ru_nswap << endl;
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out << "block_inputs: " << usage.ru_inblock << endl;
|
|
out << "block_outputs: " << usage.ru_oublock << endl;
|
|
}
|
|
|
|
void
|
|
Profiler::clearStats()
|
|
{
|
|
m_ruby_start = g_system_ptr->getTime();
|
|
m_real_time_start_time = time(NULL);
|
|
|
|
m_cycles_executed_at_start.resize(m_num_of_sequencers);
|
|
for (int i = 0; i < m_num_of_sequencers; i++) {
|
|
if (g_system_ptr == NULL) {
|
|
m_cycles_executed_at_start[i] = 0;
|
|
} else {
|
|
m_cycles_executed_at_start[i] = g_system_ptr->getTime();
|
|
}
|
|
}
|
|
|
|
m_busyBankCount = 0;
|
|
|
|
m_delayedCyclesHistogram.clear();
|
|
m_delayedCyclesNonPFHistogram.clear();
|
|
int size = Network::getNumberOfVirtualNetworks();
|
|
m_delayedCyclesVCHistograms.resize(size);
|
|
for (int i = 0; i < size; i++) {
|
|
m_delayedCyclesVCHistograms[i].clear();
|
|
}
|
|
|
|
m_missLatencyHistograms.resize(RubyRequestType_NUM);
|
|
for (int i = 0; i < m_missLatencyHistograms.size(); i++) {
|
|
m_missLatencyHistograms[i].clear(200);
|
|
}
|
|
m_machLatencyHistograms.resize(GenericMachineType_NUM+1);
|
|
for (int i = 0; i < m_machLatencyHistograms.size(); i++) {
|
|
m_machLatencyHistograms[i].clear(200);
|
|
}
|
|
m_missMachLatencyHistograms.resize(RubyRequestType_NUM);
|
|
for (int i = 0; i < m_missLatencyHistograms.size(); i++) {
|
|
m_missMachLatencyHistograms[i].resize(GenericMachineType_NUM+1);
|
|
for (int j = 0; j < m_missMachLatencyHistograms[i].size(); j++) {
|
|
m_missMachLatencyHistograms[i][j].clear(200);
|
|
}
|
|
}
|
|
m_allMissLatencyHistogram.clear(200);
|
|
m_wCCIssueToInitialRequestHistogram.clear(200);
|
|
m_wCCInitialRequestToForwardRequestHistogram.clear(200);
|
|
m_wCCForwardRequestToFirstResponseHistogram.clear(200);
|
|
m_wCCFirstResponseToCompleteHistogram.clear(200);
|
|
m_wCCIncompleteTimes = 0;
|
|
m_dirIssueToInitialRequestHistogram.clear(200);
|
|
m_dirInitialRequestToForwardRequestHistogram.clear(200);
|
|
m_dirForwardRequestToFirstResponseHistogram.clear(200);
|
|
m_dirFirstResponseToCompleteHistogram.clear(200);
|
|
m_dirIncompleteTimes = 0;
|
|
|
|
m_SWPrefetchLatencyHistograms.resize(RubyRequestType_NUM);
|
|
for (int i = 0; i < m_SWPrefetchLatencyHistograms.size(); i++) {
|
|
m_SWPrefetchLatencyHistograms[i].clear(200);
|
|
}
|
|
m_SWPrefetchMachLatencyHistograms.resize(GenericMachineType_NUM+1);
|
|
for (int i = 0; i < m_SWPrefetchMachLatencyHistograms.size(); i++) {
|
|
m_SWPrefetchMachLatencyHistograms[i].clear(200);
|
|
}
|
|
m_allSWPrefetchLatencyHistogram.clear(200);
|
|
|
|
m_sequencer_requests.clear();
|
|
m_read_sharing_histogram.clear();
|
|
m_write_sharing_histogram.clear();
|
|
m_all_sharing_histogram.clear();
|
|
m_cache_to_cache = 0;
|
|
m_memory_to_cache = 0;
|
|
|
|
m_outstanding_requests.clear();
|
|
m_outstanding_persistent_requests.clear();
|
|
|
|
// Flush the prefetches through the system - used so that there
|
|
// are no outstanding requests after stats are cleared
|
|
//g_eventQueue_ptr->triggerAllEvents();
|
|
|
|
// update the start time
|
|
m_ruby_start = g_system_ptr->getTime();
|
|
}
|
|
|
|
void
|
|
Profiler::addAddressTraceSample(const RubyRequest& msg, NodeID id)
|
|
{
|
|
if (msg.getType() != RubyRequestType_IFETCH) {
|
|
// Note: The following line should be commented out if you
|
|
// want to use the special profiling that is part of the GS320
|
|
// protocol
|
|
|
|
// NOTE: Unless PROFILE_HOT_LINES is enabled, nothing will be
|
|
// profiled by the AddressProfiler
|
|
m_address_profiler_ptr->
|
|
addTraceSample(msg.getLineAddress(), msg.getProgramCounter(),
|
|
msg.getType(), msg.getAccessMode(), id, false);
|
|
}
|
|
}
|
|
|
|
void
|
|
Profiler::profileSharing(const Address& addr, AccessType type,
|
|
NodeID requestor, const Set& sharers,
|
|
const Set& owner)
|
|
{
|
|
Set set_contacted(owner);
|
|
if (type == AccessType_Write) {
|
|
set_contacted.addSet(sharers);
|
|
}
|
|
set_contacted.remove(requestor);
|
|
int number_contacted = set_contacted.count();
|
|
|
|
if (type == AccessType_Write) {
|
|
m_write_sharing_histogram.add(number_contacted);
|
|
} else {
|
|
m_read_sharing_histogram.add(number_contacted);
|
|
}
|
|
m_all_sharing_histogram.add(number_contacted);
|
|
|
|
if (number_contacted == 0) {
|
|
m_memory_to_cache++;
|
|
} else {
|
|
m_cache_to_cache++;
|
|
}
|
|
}
|
|
|
|
void
|
|
Profiler::profileMsgDelay(uint32_t virtualNetwork, Time delayCycles)
|
|
{
|
|
assert(virtualNetwork < m_delayedCyclesVCHistograms.size());
|
|
m_delayedCyclesHistogram.add(delayCycles);
|
|
m_delayedCyclesVCHistograms[virtualNetwork].add(delayCycles);
|
|
if (virtualNetwork != 0) {
|
|
m_delayedCyclesNonPFHistogram.add(delayCycles);
|
|
}
|
|
}
|
|
|
|
void
|
|
Profiler::profilePFWait(Time waitTime)
|
|
{
|
|
m_prefetchWaitHistogram.add(waitTime);
|
|
}
|
|
|
|
void
|
|
Profiler::bankBusy()
|
|
{
|
|
m_busyBankCount++;
|
|
}
|
|
|
|
// non-zero cycle demand request
|
|
void
|
|
Profiler::missLatency(Time cycles,
|
|
RubyRequestType type,
|
|
const GenericMachineType respondingMach)
|
|
{
|
|
m_allMissLatencyHistogram.add(cycles);
|
|
m_missLatencyHistograms[type].add(cycles);
|
|
m_machLatencyHistograms[respondingMach].add(cycles);
|
|
m_missMachLatencyHistograms[type][respondingMach].add(cycles);
|
|
}
|
|
|
|
void
|
|
Profiler::missLatencyWcc(Time issuedTime,
|
|
Time initialRequestTime,
|
|
Time forwardRequestTime,
|
|
Time firstResponseTime,
|
|
Time completionTime)
|
|
{
|
|
if ((issuedTime <= initialRequestTime) &&
|
|
(initialRequestTime <= forwardRequestTime) &&
|
|
(forwardRequestTime <= firstResponseTime) &&
|
|
(firstResponseTime <= completionTime)) {
|
|
m_wCCIssueToInitialRequestHistogram.add(initialRequestTime - issuedTime);
|
|
|
|
m_wCCInitialRequestToForwardRequestHistogram.add(forwardRequestTime -
|
|
initialRequestTime);
|
|
|
|
m_wCCForwardRequestToFirstResponseHistogram.add(firstResponseTime -
|
|
forwardRequestTime);
|
|
|
|
m_wCCFirstResponseToCompleteHistogram.add(completionTime -
|
|
firstResponseTime);
|
|
} else {
|
|
m_wCCIncompleteTimes++;
|
|
}
|
|
}
|
|
|
|
void
|
|
Profiler::missLatencyDir(Time issuedTime,
|
|
Time initialRequestTime,
|
|
Time forwardRequestTime,
|
|
Time firstResponseTime,
|
|
Time completionTime)
|
|
{
|
|
if ((issuedTime <= initialRequestTime) &&
|
|
(initialRequestTime <= forwardRequestTime) &&
|
|
(forwardRequestTime <= firstResponseTime) &&
|
|
(firstResponseTime <= completionTime)) {
|
|
m_dirIssueToInitialRequestHistogram.add(initialRequestTime - issuedTime);
|
|
|
|
m_dirInitialRequestToForwardRequestHistogram.add(forwardRequestTime -
|
|
initialRequestTime);
|
|
|
|
m_dirForwardRequestToFirstResponseHistogram.add(firstResponseTime -
|
|
forwardRequestTime);
|
|
|
|
m_dirFirstResponseToCompleteHistogram.add(completionTime -
|
|
firstResponseTime);
|
|
} else {
|
|
m_dirIncompleteTimes++;
|
|
}
|
|
}
|
|
|
|
// non-zero cycle prefetch request
|
|
void
|
|
Profiler::swPrefetchLatency(Time cycles,
|
|
RubyRequestType type,
|
|
const GenericMachineType respondingMach)
|
|
{
|
|
m_allSWPrefetchLatencyHistogram.add(cycles);
|
|
m_SWPrefetchLatencyHistograms[type].add(cycles);
|
|
m_SWPrefetchMachLatencyHistograms[respondingMach].add(cycles);
|
|
if (respondingMach == GenericMachineType_Directory ||
|
|
respondingMach == GenericMachineType_NUM) {
|
|
m_SWPrefetchL2MissLatencyHistogram.add(cycles);
|
|
}
|
|
}
|
|
|
|
// Helper function
|
|
static double
|
|
process_memory_total()
|
|
{
|
|
// 4kB page size, 1024*1024 bytes per MB,
|
|
const double MULTIPLIER = 4096.0 / (1024.0 * 1024.0);
|
|
ifstream proc_file;
|
|
proc_file.open("/proc/self/statm");
|
|
int total_size_in_pages = 0;
|
|
int res_size_in_pages = 0;
|
|
proc_file >> total_size_in_pages;
|
|
proc_file >> res_size_in_pages;
|
|
return double(total_size_in_pages) * MULTIPLIER; // size in megabytes
|
|
}
|
|
|
|
static double
|
|
process_memory_resident()
|
|
{
|
|
// 4kB page size, 1024*1024 bytes per MB,
|
|
const double MULTIPLIER = 4096.0 / (1024.0 * 1024.0);
|
|
ifstream proc_file;
|
|
proc_file.open("/proc/self/statm");
|
|
int total_size_in_pages = 0;
|
|
int res_size_in_pages = 0;
|
|
proc_file >> total_size_in_pages;
|
|
proc_file >> res_size_in_pages;
|
|
return double(res_size_in_pages) * MULTIPLIER; // size in megabytes
|
|
}
|
|
|
|
void
|
|
Profiler::rubyWatch(int id)
|
|
{
|
|
uint64 tr = 0;
|
|
Address watch_address = Address(tr);
|
|
|
|
DPRINTFN("%7s %3s RUBY WATCH %d\n", g_system_ptr->getTime(), id,
|
|
watch_address);
|
|
|
|
// don't care about success or failure
|
|
m_watch_address_set.insert(watch_address);
|
|
}
|
|
|
|
bool
|
|
Profiler::watchAddress(Address addr)
|
|
{
|
|
return m_watch_address_set.count(addr) > 0;
|
|
}
|
|
|
|
Profiler *
|
|
RubyProfilerParams::create()
|
|
{
|
|
return new Profiler(this);
|
|
}
|