src/mem/ruby/profiler/AccessTraceForAddress.cc

   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;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include "mem/ruby/common/Histogram.hh"
  30 #include "mem/ruby/profiler/AccessTraceForAddress.hh"
  31
  32 AccessTraceForAddress::~AccessTraceForAddress()
  33 {
  34     if (m_histogram_ptr) {
  35         delete m_histogram_ptr;
  36         m_histogram_ptr = NULL;
  37     }
  38 }
  39
  40 void
  41 AccessTraceForAddress::print(std::ostream& out) const
  42 {
  43     out << m_addr;
  44
  45     if (m_histogram_ptr == NULL) {
  46         out << " " << m_total;
  47         out << " | " << m_loads;
  48         out << " " << m_stores;
  49         out << " " << m_atomics;
  50         out << " | " << m_user;
  51         out << " " << m_total-m_user;
  52         out << " | " << m_sharing;
  53         out << " | " << m_touched_by.count();
  54     } else {
  55         assert(m_total == 0);
  56         out << " " << (*m_histogram_ptr);
  57     }
  58 }
  59
  60 void
  61 AccessTraceForAddress::update(RubyRequestType type,
  62                               RubyAccessMode access_mode, NodeID cpu,
  63                               bool sharing_miss)
  64 {
  65     m_touched_by.add(cpu);
  66     m_total++;
  67     if(type == RubyRequestType_ATOMIC) {
  68         m_atomics++;
  69     } else if(type == RubyRequestType_LD){
  70         m_loads++;
  71     } else if (type == RubyRequestType_ST){
  72         m_stores++;
  73     } else {
  74         //  ERROR_MSG("Trying to add invalid access to trace");
  75     }
  76
  77     if (access_mode == RubyAccessMode_User) {
  78         m_user++;
  79     }
  80
  81     if (sharing_miss) {
  82         m_sharing++;
  83     }
  84 }
  85
  86 int
  87 AccessTraceForAddress::getTotal() const
  88 {
  89     if (m_histogram_ptr == NULL) {
  90         return m_total;
  91     } else {
  92         return m_histogram_ptr->getTotal();
  93     }
  94 }
  95
  96 void
  97 AccessTraceForAddress::addSample(int value)
  98 {
  99     assert(m_total == 0);
 100     if (m_histogram_ptr == NULL) {
 101         m_histogram_ptr = new Histogram;
 102     }
 103     m_histogram_ptr->add(value);
 104 }