1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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42 ----------------------------------------------------------------------
43*/
44
45// Allows use of times() library call, which determines virtual runtime
46#include <sys/resource.h>
47#include <sys/times.h>
48
49#include <algorithm>
50#include <fstream>
51
52#include "base/stl_helpers.hh"
53#include "base/str.hh"
54#include "mem/protocol/CacheMsg.hh"
55#include "mem/protocol/MachineType.hh"
56#include "mem/protocol/Protocol.hh"
57#include "mem/ruby/network/Network.hh"
58#include "mem/ruby/profiler/AddressProfiler.hh"
59#include "mem/ruby/profiler/Profiler.hh"
60#include "mem/ruby/system/System.hh"
61#include "mem/ruby/system/System.hh"
62
63using namespace std;
64using m5::stl_helpers::operator<<;
65
66static double process_memory_total();
67static double process_memory_resident();
68
69Profiler::Profiler(const Params *p)
70 : SimObject(p)
71{
72 m_inst_profiler_ptr = NULL;
73 m_address_profiler_ptr = NULL;

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690 m_SWPrefetchLatencyHistograms[type].add(cycles);
691 m_SWPrefetchMachLatencyHistograms[respondingMach].add(cycles);
692 if (respondingMach == GenericMachineType_Directory ||
693 respondingMach == GenericMachineType_NUM) {
694 m_SWPrefetchL2MissLatencyHistogram.add(cycles);
695 }
696}
697
698// Helper function
699static double
700process_memory_total()
701{
702 // 4kB page size, 1024*1024 bytes per MB,
703 const double MULTIPLIER = 4096.0 / (1024.0 * 1024.0);
704 ifstream proc_file;
705 proc_file.open("/proc/self/statm");

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724 return double(res_size_in_pages) * MULTIPLIER; // size in megabytes
725}
726
727void
728Profiler::rubyWatch(int id)
729{
730 uint64 tr = 0;
731 Address watch_address = Address(tr);
732
733 DPRINTFN("%7s %3s RUBY WATCH %d\n", g_eventQueue_ptr->getTime(), id,
734 watch_address);
735
736 // don't care about success or failure
737 m_watch_address_set.insert(watch_address);
738}
739
740bool
741Profiler::watchAddress(Address addr)
742{
743 return m_watch_address_set.count(addr) > 0;
744}
745
746Profiler *
747RubyProfilerParams::create()
748{
749 return new Profiler(this);
750}