1 | /* -*- c++ -*- |
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2 | * |
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3 | * SOCLIB_LGPL_HEADER_BEGIN |
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4 | * |
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5 | * This file is part of SoCLib, GNU LGPLv2.1. |
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6 | * |
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7 | * SoCLib is free software; you can redistribute it and/or modify it |
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8 | * under the terms of the GNU Lesser General Public License as published |
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9 | * by the Free Software Foundation; version 2.1 of the License. |
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10 | * |
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11 | * SoCLib is distributed in the hope that it will be useful, but |
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12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | * Lesser General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU Lesser General Public |
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17 | * License along with SoCLib; if not, write to the Free Software |
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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19 | * 02110-1301 USA |
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20 | * |
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21 | * SOCLIB_LGPL_HEADER_END |
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22 | * |
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23 | * Copyright (c) UPMC, Lip6 |
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24 | * Ghassan Almaless <ghassan.almaless@lip6.fr>, 2011 |
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25 | * |
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26 | * Maintainers: Ghassan |
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27 | */ |
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28 | |
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29 | #include "vci_profiler.h" |
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30 | #include <cstring> |
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31 | #include <iostream> |
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32 | #include "vci_buffers.h" |
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33 | #include <iostream> |
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34 | #include <iomanip> |
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35 | #include <cassert> |
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36 | #include <vector> |
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37 | |
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38 | namespace soclib { |
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39 | namespace caba { |
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40 | |
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41 | #define tmpl(...) template<typename vci_param, typename iss_t> __VA_ARGS__ VciProfiler<vci_param, iss_t> |
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42 | |
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43 | #define ABS(x) (((x) < 0) ? -(x) : (x)) |
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44 | |
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45 | #define VCI_iRD_CMD 4 |
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46 | #define VCI_iTLB_RD_CMD 5 |
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47 | #define VCI_iTLB_LL_CMD 6 |
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48 | #define VCI_iTLB_SC_CMD 7 |
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49 | #define VCI_DTLB_RD_CMD 8 |
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50 | #define VCI_DTLB_LL_CMD 9 |
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51 | #define VCI_DTLB_SC_CMD 10 |
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52 | |
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53 | #define _CMD_ITLB 0x1 |
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54 | #define _CMD_DTLB 0x2 |
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55 | #define _CMD_USR 0x4 |
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56 | |
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57 | static const char* vci_cmd_names[VCI_CMD_NR] = {"SC_CMD ", |
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58 | "RD_CMD ", |
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59 | "WR_CMD ", |
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60 | "LL_CMD ", |
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61 | "iRD_CMD", |
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62 | "iTLB_RD_CMD", |
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63 | "iTLB_LL_CMD", |
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64 | "iTLB_SC_CMD", |
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65 | "DTLB_RD_CMD", |
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66 | "DTLB_LL_CMD", |
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67 | "DTLB_SC_CMD"}; |
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68 | |
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69 | tmpl(void)::print_stats() |
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70 | { |
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71 | unsigned long local_cntr; |
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72 | unsigned long total_cost; |
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73 | unsigned long total_flits; |
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74 | unsigned long total_rflits; |
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75 | unsigned long total_estmtd_enrg; |
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76 | std::ostream &output = m_l1->m_log; |
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77 | |
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78 | if(m_period == 0) |
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79 | return; |
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80 | |
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81 | total_cost = 0; |
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82 | total_flits = 0; |
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83 | total_rflits = 0; |
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84 | total_estmtd_enrg = 0; |
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85 | |
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86 | local_cntr = m_access_cntr - m_remote_cntr; |
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87 | |
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88 | output << name() << " Cycles: " << std::dec << m_tm_now << std::endl |
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89 | << "Access_Rate = " << (double) m_access_cntr / m_cycles_cntr << std::endl |
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90 | << "Remote_% = " << (double) m_remote_cntr / m_access_cntr << std::endl |
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91 | << "LL_% = " << (double) m_cmd_tbl[vci_param::CMD_LOCKED_READ].trans / m_access_cntr << std::endl |
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92 | << "SC_% = " << (double) m_cmd_tbl[vci_param::CMD_STORE_COND].trans / m_access_cntr << std::endl; |
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93 | |
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94 | for(long i = 0; i < VCI_CMD_NR; i++) |
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95 | { |
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96 | |
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97 | local_cntr = m_cmd_tbl[i].distance * m_cmd_tbl[i].rflits; |
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98 | |
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99 | output << vci_cmd_names[i] << " [" |
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100 | << m_cmd_tbl[i].trans << ", " |
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101 | << m_cmd_tbl[i].remote << ", " |
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102 | << m_cmd_tbl[i].trans - m_cmd_tbl[i].remote << ", " |
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103 | << m_cmd_tbl[i].cost << ", " |
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104 | << m_cmd_tbl[i].rcost << ", " |
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105 | << m_cmd_tbl[i].cost - m_cmd_tbl[i].rcost << ", " |
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106 | << m_cmd_tbl[i].limit1 << ", " |
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107 | << m_cmd_tbl[i].limit2 << ", " |
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108 | << m_cmd_tbl[i].rmax_cost << ", " |
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109 | << m_cmd_tbl[i].rmax_time << ", " |
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110 | << m_cmd_tbl[i].lmax_cost << ", " |
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111 | << m_cmd_tbl[i].lmax_time << ", " |
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112 | << m_cmd_tbl[i].flits << ", " |
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113 | << m_cmd_tbl[i].rflits << ", " << std::hex |
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114 | << m_cmd_tbl[i].raddr << ", " << std::dec |
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115 | << m_cmd_tbl[i].distance << "," |
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116 | << m_cmd_tbl[i].d1_limit << "," |
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117 | << m_cmd_tbl[i].d2_limit << "," |
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118 | << m_cmd_tbl[i].max_dist << "," |
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119 | << local_cntr << "]" << std::endl; |
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120 | |
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121 | total_cost += m_cmd_tbl[i].cost; |
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122 | total_flits += m_cmd_tbl[i].flits; |
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123 | total_rflits += m_cmd_tbl[i].rflits; |
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124 | total_estmtd_enrg += local_cntr; |
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125 | } |
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126 | |
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127 | output << "Total_CMDs = " << m_access_cntr << std::endl |
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128 | << "Total_Cost = " << total_cost << std::endl |
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129 | << "Total_Flits = " << total_flits << std::endl |
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130 | << "Total_Remote_Flits = " << total_rflits << std::endl |
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131 | << "Total_Estmtd_Enrg = " << total_estmtd_enrg << std::endl; |
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132 | } |
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133 | |
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134 | tmpl(void)::clear_stats() |
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135 | { |
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136 | memset(m_cmd_tbl, 0, sizeof(m_cmd_tbl)); |
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137 | m_access_cntr = 0; |
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138 | m_remote_cntr = 0; |
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139 | m_cycles_cntr = 0; |
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140 | } |
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141 | |
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142 | |
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143 | tmpl(void)::set_limits(unsigned long limit1, unsigned long limit2) |
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144 | { |
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145 | m_limit1 = limit1; |
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146 | m_limit2 = limit2; |
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147 | } |
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148 | |
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149 | tmpl(void)::set_L1_cache(VciCcVCacheWrapper2V1<vci_param, iss_t> *l1) |
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150 | { |
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151 | m_l1 = l1; |
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152 | } |
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153 | |
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154 | |
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155 | tmpl()::VciProfiler( |
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156 | sc_core::sc_module_name insname, |
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157 | size_t index, |
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158 | size_t x_id, |
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159 | size_t y_id, |
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160 | size_t x_width, |
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161 | size_t y_width, |
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162 | size_t addr_width) |
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163 | : BaseModule(insname), |
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164 | p_resetn("resetn"), |
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165 | p_clk("clk"), |
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166 | p_vci("vci") |
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167 | { |
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168 | clear_stats(); |
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169 | m_index = index; |
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170 | m_x = x_id; |
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171 | m_y = y_id; |
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172 | m_xWidth = x_width; |
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173 | m_yWidth = y_width; |
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174 | m_width = x_width + y_width; |
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175 | m_bits = addr_width; |
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176 | m_tm_now = 0; |
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177 | m_tm_start = 0; |
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178 | m_isPending = false; |
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179 | m_isCMDPending = false; |
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180 | m_isPeriod = false; |
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181 | m_isDebug = false; |
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182 | m_last_cmd = 0; |
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183 | m_limit1 = 0; |
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184 | m_limit2 = 0; |
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185 | m_d1_limit = 0; |
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186 | m_d2_limit = 0; |
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187 | m_period = 0; |
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188 | m_debug_cntr = 0; |
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189 | m_threshold = 1000000; |
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190 | |
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191 | char *ptr = getenv("TSAR_PROFILER_PERIOD"); |
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192 | |
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193 | if(ptr != NULL) |
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194 | m_period = atol(ptr); |
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195 | |
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196 | ptr = getenv("TSAR_PROFILER_THRESHOLD"); |
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197 | |
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198 | if(ptr != NULL) |
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199 | m_threshold = atol(ptr); |
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200 | |
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201 | ptr = getenv("TSAR_PROFILER_DEBUG"); |
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202 | |
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203 | if(ptr != NULL) |
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204 | m_isDebug = (atol(ptr) != 0) ? true : false; |
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205 | |
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206 | ptr = getenv("TSAR_PROFILER_LIMIT1"); |
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207 | |
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208 | if(ptr != NULL) |
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209 | m_limit1 = atol(ptr); |
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210 | |
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211 | ptr = getenv("TSAR_PROFILER_LIMIT2"); |
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212 | |
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213 | if(ptr != NULL) |
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214 | m_limit2 = atol(ptr); |
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215 | |
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216 | ptr = getenv("TSAR_PROFILER_D1_LIMIT"); |
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217 | |
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218 | if(ptr != NULL) |
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219 | m_d1_limit = atol(ptr); |
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220 | |
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221 | ptr = getenv("TSAR_PROFILER_D2_LIMIT"); |
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222 | |
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223 | if(ptr != NULL) |
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224 | m_d2_limit = atol(ptr); |
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225 | |
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226 | #if 0 |
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227 | if(m_period != 0) |
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228 | m_log.open(insname, std::ios::out); |
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229 | #endif |
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230 | |
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231 | SC_METHOD(transition); |
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232 | dont_initialize(); |
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233 | sensitive << p_clk.pos(); |
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234 | } |
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235 | |
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236 | tmpl()::~VciProfiler() |
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237 | { |
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238 | } |
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239 | |
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240 | tmpl(void)::transition() |
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241 | { |
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242 | unsigned long cmd; |
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243 | unsigned long shift; |
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244 | unsigned long msb; |
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245 | long x_coord; |
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246 | long y_coord; |
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247 | unsigned long distance; |
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248 | unsigned long cost; |
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249 | bool isUser; |
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250 | |
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251 | std::ostream &output = m_l1->m_log; |
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252 | |
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253 | if(m_period == 0) |
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254 | return; |
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255 | |
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256 | if( p_vci.cmdval.read() && p_vci.cmdack.read() ) |
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257 | { |
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258 | if(m_isPending == false) |
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259 | { |
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260 | m_isCMDPending = true; |
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261 | m_isPending = true; |
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262 | m_tm_start = m_tm_now; |
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263 | cmd = p_vci.cmd.read(); |
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264 | m_access_cntr ++; |
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265 | |
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266 | if((cmd == vci_param::CMD_READ) && (p_vci.trdid.read() > 1)) |
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267 | cmd = VCI_iRD_CMD; |
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268 | |
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269 | else if((cmd == vci_param::CMD_READ) && (p_vci.pktid.read() & _CMD_ITLB)) |
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270 | cmd = VCI_iTLB_RD_CMD; |
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271 | |
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272 | else if((cmd == vci_param::CMD_READ) && (p_vci.pktid.read() & _CMD_DTLB)) |
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273 | cmd = VCI_DTLB_RD_CMD; |
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274 | |
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275 | else if((cmd == vci_param::CMD_LOCKED_READ) && (p_vci.pktid.read() & _CMD_ITLB)) |
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276 | cmd = VCI_iTLB_LL_CMD; |
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277 | |
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278 | else if((cmd == vci_param::CMD_LOCKED_READ) && (p_vci.pktid.read() & _CMD_DTLB)) |
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279 | cmd = VCI_DTLB_LL_CMD; |
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280 | |
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281 | else if((cmd == vci_param::CMD_STORE_COND) && (p_vci.pktid.read() & _CMD_ITLB)) |
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282 | cmd = VCI_iTLB_SC_CMD; |
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283 | |
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284 | else if((cmd == vci_param::CMD_STORE_COND) && (p_vci.pktid.read() & _CMD_DTLB)) |
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285 | cmd = VCI_DTLB_SC_CMD; |
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286 | |
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287 | m_last_cmd = cmd; |
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288 | m_last_addr = p_vci.address.read(); |
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289 | m_cmd_tbl[cmd].trans ++; |
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290 | m_cmd_tbl[cmd].flits += ((p_vci.plen.read() / 4) + 1); |
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291 | |
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292 | shift = m_bits - m_width; |
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293 | msb = m_last_addr >> shift; |
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294 | distance = 0; |
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295 | |
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296 | m_isRemote = (msb == m_index) ? false : true; |
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297 | |
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298 | if(m_isRemote == true) |
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299 | { |
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300 | isUser = (p_vci.pktid.read() & _CMD_USR) ? true : false; |
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301 | m_cmd_tbl[cmd].remote ++; |
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302 | m_remote_cntr ++; |
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303 | x_coord = msb >> m_yWidth; |
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304 | y_coord = msb & ((1 << m_yWidth) - 1); |
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305 | distance = ABS(m_x - x_coord) + ABS(m_y - y_coord); |
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306 | |
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307 | output << ">> " << vci_cmd_names[cmd] |
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308 | << "\t(" << m_x << "," << m_y << ") --> (" |
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309 | << x_coord << "," << y_coord << ")\t[ D: " |
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310 | << distance << " @: " << std::hex << m_last_addr << std::dec |
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311 | << " T: " << m_tm_now << " "<< ((isUser) ? "U" : "K") << " ]" << std::endl; |
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312 | |
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313 | m_cmd_tbl[cmd].rflits += ((p_vci.plen.read() / 4) + 1); |
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314 | m_cmd_tbl[cmd].distance += distance; |
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315 | |
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316 | if(distance > m_cmd_tbl[cmd].max_dist) |
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317 | m_cmd_tbl[cmd].max_dist = distance; |
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318 | |
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319 | if(distance >= m_d2_limit) |
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320 | m_cmd_tbl[cmd].d2_limit ++; |
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321 | else if(distance >= m_d1_limit) |
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322 | m_cmd_tbl[cmd].d1_limit ++; |
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323 | } |
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324 | |
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325 | #if 1 |
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326 | if(m_isDebug) |
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327 | { |
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328 | output << ">>> " << std::dec |
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329 | << "Cycle: "<< m_tm_now |
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330 | << ", Addr " << std::hex << m_last_addr |
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331 | << ", isRemote " << m_isRemote |
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332 | << ", Distance " << distance |
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333 | << ", " << vci_cmd_names[m_last_cmd]; |
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334 | } |
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335 | #endif |
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336 | } |
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337 | |
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338 | if(p_vci.eop.read()) |
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339 | m_isPending = false; |
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340 | } |
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341 | |
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342 | if ( p_vci.rspval.read() && p_vci.rspack.read() ) |
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343 | { |
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344 | if( p_vci.reop.read() ) |
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345 | { |
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346 | m_isCMDPending = false; |
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347 | cost = m_tm_now - m_tm_start; |
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348 | |
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349 | m_cmd_tbl[m_last_cmd].cost += cost; |
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350 | |
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351 | if(m_isRemote == true) |
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352 | m_cmd_tbl[m_last_cmd].rcost += cost; |
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353 | |
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354 | if(cost > m_limit2) |
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355 | m_cmd_tbl[m_last_cmd].limit2 ++; |
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356 | else if(cost > m_limit1) |
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357 | m_cmd_tbl[m_last_cmd].limit1 ++; |
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358 | |
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359 | if(m_isRemote == true) |
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360 | { |
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361 | if(cost > m_cmd_tbl[m_last_cmd].rmax_cost) |
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362 | { |
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363 | m_cmd_tbl[m_last_cmd].rmax_time = m_tm_now; |
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364 | m_cmd_tbl[m_last_cmd].rmax_cost = cost; |
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365 | m_cmd_tbl[m_last_cmd].raddr = m_last_addr; |
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366 | } |
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367 | } |
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368 | else |
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369 | { |
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370 | if(cost > m_cmd_tbl[m_last_cmd].lmax_cost) |
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371 | { |
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372 | m_cmd_tbl[m_last_cmd].lmax_time = m_tm_now; |
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373 | m_cmd_tbl[m_last_cmd].lmax_cost = cost; |
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374 | } |
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375 | } |
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376 | #if 1 |
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377 | if(m_isDebug) |
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378 | { |
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379 | output << " <<< " << std::dec |
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380 | << "Cycle: "<< m_tm_now |
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381 | << ", Cost: " << cost |
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382 | << ", Addr " << std::hex << m_last_addr |
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383 | << ", " << vci_cmd_names[m_last_cmd] |
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384 | << std::endl; |
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385 | } |
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386 | #endif |
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387 | } |
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388 | } |
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389 | |
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390 | m_tm_now ++; |
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391 | m_cycles_cntr ++; |
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392 | |
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393 | #if 1 |
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394 | if((m_isCMDPending == true) && ((m_tm_now - m_tm_start) > m_threshold) && (m_isDebug == false)) |
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395 | { |
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396 | output << "Threshold is reached: " << std::dec |
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397 | << "Tm_now: " << m_tm_now |
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398 | << " Tm_start: " << m_tm_start |
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399 | << " Val: " << m_tm_now - m_tm_start |
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400 | << " Threshold: " << m_threshold |
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401 | << std::endl; |
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402 | |
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403 | m_isDebug = true; |
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404 | } |
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405 | |
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406 | if(m_isDebug == true) |
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407 | { |
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408 | m_l1->print_trace(0); |
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409 | m_debug_cntr ++; |
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410 | } |
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411 | |
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412 | if(m_debug_cntr > 30) |
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413 | { |
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414 | m_isDebug = false; |
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415 | print_stats(); |
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416 | } |
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417 | #endif |
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418 | |
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419 | if((m_period != 0) && ((m_tm_now % m_period) == 0)) |
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420 | { |
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421 | output << "Period reached, " << std::dec |
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422 | << m_period << ", " |
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423 | << m_tm_now << ", " |
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424 | << m_isPeriod << ", " |
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425 | << m_isCMDPending << std::endl; |
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426 | |
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427 | m_isPeriod = true; |
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428 | } |
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429 | |
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430 | if((m_isPeriod == true) && (m_isCMDPending == false)) |
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431 | { |
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432 | print_stats(); |
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433 | clear_stats(); |
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434 | m_isPeriod = false; |
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435 | } |
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436 | } |
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437 | |
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438 | }} |
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439 | |
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440 | // Local Variables: |
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441 | // tab-width: 4 |
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442 | // c-basic-offset: 4 |
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443 | // c-file-offsets:((innamespace . 0)(inline-open . 0)) |
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444 | // indent-tabs-mode: nil |
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445 | // End: |
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446 | |
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447 | // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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448 | |
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