1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /** |
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4 | * @file |
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5 | * |
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6 | * @brief RTEMS Performance Monitoring and Measurement Framework. |
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7 | * |
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8 | * This is a set of print support routines that may be shared between |
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9 | * the RTEMS monitor and direct callers of the capture engine. |
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10 | */ |
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11 | |
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12 | /* |
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13 | * Copyright 2002, 2015 Chris Johns <chrisj@rtems.org> |
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14 | * All rights reserved. |
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15 | * |
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16 | * COPYRIGHT (c) 1989-2014. |
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17 | * On-Line Applications Research Corporation (OAR). |
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18 | * |
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19 | * Redistribution and use in source and binary forms, with or without |
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20 | * modification, are permitted provided that the following conditions |
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21 | * are met: |
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22 | * 1. Redistributions of source code must retain the above copyright |
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23 | * notice, this list of conditions and the following disclaimer. |
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24 | * 2. Redistributions in binary form must reproduce the above copyright |
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25 | * notice, this list of conditions and the following disclaimer in the |
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26 | * documentation and/or other materials provided with the distribution. |
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27 | * |
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28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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29 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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31 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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32 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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33 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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34 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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35 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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36 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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37 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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38 | * POSSIBILITY OF SUCH DAMAGE. |
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39 | */ |
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40 | |
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41 | #ifdef HAVE_CONFIG_H |
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42 | #include "config.h" |
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43 | #endif |
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44 | |
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45 | #include <ctype.h> |
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46 | #include <stdlib.h> |
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47 | #include <stdio.h> |
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48 | #include <string.h> |
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49 | #include <inttypes.h> |
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50 | |
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51 | #include <rtems.h> |
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52 | #include <rtems/monitor.h> |
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53 | #include <rtems/captureimpl.h> |
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54 | |
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55 | /* |
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56 | * Structure used during printing of the capture records. |
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57 | */ |
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58 | |
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59 | typedef struct |
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60 | { |
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61 | const void* recs; /**< Next record to be read. */ |
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62 | size_t read; /**< Number of records read. */ |
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63 | size_t printed; /**< Records been printed. */ |
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64 | bool rec_valid; /**< The record is valid. */ |
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65 | rtems_capture_record rec; /**< The record, copied out. */ |
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66 | } ctrace_per_cpu; |
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67 | |
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68 | /* |
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69 | * Task block size. |
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70 | */ |
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71 | #define CTRACE_TASK_BLOCK_SIZE (64) |
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72 | |
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73 | /** |
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74 | * Task details from the task records used to print task names. |
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75 | */ |
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76 | typedef struct |
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77 | { |
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78 | rtems_name name; |
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79 | rtems_id id; |
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80 | } ctrace_task_name; |
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81 | |
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82 | /** |
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83 | * Structure to hold the tasks variables. |
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84 | */ |
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85 | typedef struct |
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86 | { |
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87 | ctrace_task_name* tasks; |
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88 | size_t size; |
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89 | size_t count; |
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90 | } ctrace_tasks; |
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91 | |
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92 | /* |
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93 | * Global so the records can span more than one trace. |
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94 | */ |
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95 | static ctrace_tasks tasks; |
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96 | |
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97 | /* |
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98 | * Add a name. |
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99 | */ |
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100 | static void |
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101 | ctrace_task_name_add (rtems_id id, const rtems_name name) |
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102 | { |
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103 | if (tasks.tasks == NULL) |
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104 | { |
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105 | tasks.size = CTRACE_TASK_BLOCK_SIZE; |
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106 | tasks.tasks = calloc (tasks.size, sizeof (ctrace_task_name)); |
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107 | } |
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108 | if (tasks.tasks != NULL) |
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109 | { |
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110 | if (rtems_object_id_get_api(id) != OBJECTS_POSIX_API) |
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111 | { |
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112 | size_t t; |
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113 | for (t = 0; t < tasks.count; ++t) |
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114 | { |
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115 | if (tasks.tasks[t].id == id) |
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116 | { |
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117 | tasks.tasks[t].name = name; |
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118 | break; |
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119 | } |
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120 | } |
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121 | if (t == tasks.count) |
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122 | { |
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123 | if (tasks.count >= tasks.size) |
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124 | { |
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125 | tasks.size += CTRACE_TASK_BLOCK_SIZE; |
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126 | tasks.tasks = realloc (tasks.tasks, |
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127 | tasks.size * sizeof (ctrace_task_name)); |
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128 | } |
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129 | if (tasks.tasks != NULL) |
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130 | { |
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131 | tasks.tasks[tasks.count].name = name; |
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132 | tasks.tasks[tasks.count].id = id; |
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133 | ++tasks.count; |
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134 | } |
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135 | } |
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136 | } |
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137 | } |
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138 | } |
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139 | |
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140 | /* |
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141 | * Remove a task name. |
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142 | */ |
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143 | static void |
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144 | ctrace_task_name_remove (rtems_id id) |
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145 | { |
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146 | size_t t; |
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147 | for (t = 0; t < tasks.count; ++t) |
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148 | { |
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149 | if (tasks.tasks[t].id == id) |
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150 | { |
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151 | size_t count = tasks.count - t - 1; |
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152 | if (count != 0) |
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153 | memmove (&tasks.tasks[t], |
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154 | &tasks.tasks[t + 1], |
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155 | sizeof (ctrace_task_name) * count); |
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156 | --tasks.count; |
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157 | break; |
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158 | } |
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159 | } |
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160 | } |
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161 | |
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162 | /* |
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163 | * Find a name. |
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164 | */ |
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165 | static void |
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166 | ctrace_task_name_find (rtems_id id, const rtems_name** name) |
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167 | { |
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168 | size_t t; |
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169 | *name = NULL; |
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170 | for (t = 0; t < tasks.count; ++t) |
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171 | { |
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172 | if (tasks.tasks[t].id == id) |
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173 | { |
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174 | *name = &tasks.tasks[t].name; |
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175 | break; |
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176 | } |
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177 | } |
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178 | } |
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179 | |
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180 | /* |
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181 | * rtems_catpure_print_uptime |
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182 | * |
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183 | * This function prints the nanosecond uptime to stdout. |
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184 | */ |
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185 | void |
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186 | rtems_capture_print_timestamp (uint64_t uptime) |
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187 | { |
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188 | uint32_t hours; |
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189 | uint32_t minutes; |
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190 | uint32_t seconds; |
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191 | uint32_t nanosecs; |
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192 | uint64_t up_secs; |
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193 | |
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194 | up_secs = uptime / 1000000000LLU; |
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195 | minutes = up_secs / 60; |
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196 | hours = minutes / 60; |
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197 | minutes = minutes % 60; |
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198 | seconds = up_secs % 60; |
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199 | nanosecs = uptime % 1000000000; |
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200 | |
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201 | fprintf (stdout, "%5" PRIu32 ":%02" PRIu32 ":%02" PRIu32".%09" PRIu32, |
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202 | hours, minutes, seconds, nanosecs); |
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203 | } |
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204 | |
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205 | void |
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206 | rtems_capture_print_record_task (int cpu, |
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207 | const rtems_capture_record* rec, |
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208 | const rtems_capture_task_record* task_rec) |
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209 | { |
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210 | fprintf(stdout,"%2i ", cpu); |
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211 | rtems_capture_print_timestamp (rec->time); |
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212 | fprintf (stdout, " "); |
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213 | rtems_monitor_dump_id (rec->task_id); |
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214 | if (rtems_object_id_get_api(rec->task_id) != OBJECTS_POSIX_API) |
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215 | { |
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216 | fprintf (stdout, " %c%c%c%c", |
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217 | (char) (task_rec->name >> 24) & 0xff, |
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218 | (char) (task_rec->name >> 16) & 0xff, |
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219 | (char) (task_rec->name >> 8) & 0xff, |
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220 | (char) (task_rec->name >> 0) & 0xff); |
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221 | } |
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222 | else |
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223 | { |
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224 | fprintf (stdout, " ____"); |
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225 | } |
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226 | fprintf(stdout, " %3" PRId32 " %3" PRId32 " ", |
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227 | (rec->events >> RTEMS_CAPTURE_REAL_PRIORITY_EVENT) & 0xff, |
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228 | (rec->events >> RTEMS_CAPTURE_CURR_PRIORITY_EVENT) & 0xff); |
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229 | fprintf (stdout, "%3" PRId32 " %6" PRId32 " TASK_RECORD\n", |
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230 | task_rec->start_priority, |
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231 | task_rec->stack_size); |
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232 | } |
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233 | |
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234 | void |
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235 | rtems_capture_print_record_capture(int cpu, |
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236 | const rtems_capture_record* rec, |
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237 | uint64_t diff, |
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238 | const rtems_name* name) |
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239 | { |
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240 | uint32_t event; |
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241 | int e; |
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242 | |
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243 | event = rec->events >> RTEMS_CAPTURE_EVENT_START; |
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244 | for (e = RTEMS_CAPTURE_EVENT_START; e < RTEMS_CAPTURE_EVENT_END; e++) |
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245 | { |
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246 | if (event & 1) |
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247 | { |
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248 | fprintf(stdout,"%2i ", cpu); |
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249 | rtems_capture_print_timestamp (rec->time); |
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250 | fprintf (stdout, " %12" PRId32 " ", (uint32_t) diff); |
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251 | rtems_monitor_dump_id (rec->task_id); |
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252 | if (name != NULL) |
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253 | { |
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254 | fprintf (stdout, " %c%c%c%c", |
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255 | (char) (*name >> 24) & 0xff, |
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256 | (char) (*name >> 16) & 0xff, |
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257 | (char) (*name >> 8) & 0xff, |
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258 | (char) (*name >> 0) & 0xff); |
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259 | } |
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260 | else |
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261 | { |
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262 | fprintf(stdout, " "); |
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263 | } |
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264 | fprintf(stdout, " %3" PRId32 " %3" PRId32 " %s\n", |
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265 | (rec->events >> RTEMS_CAPTURE_REAL_PRIORITY_EVENT) & 0xff, |
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266 | (rec->events >> RTEMS_CAPTURE_CURR_PRIORITY_EVENT) & 0xff, |
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267 | rtems_capture_event_text (e)); |
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268 | } |
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269 | event >>= 1; |
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270 | } |
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271 | } |
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272 | |
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273 | /* |
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274 | * rtems_capture_print_trace_records |
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275 | * |
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276 | * This function is a monitor command that dumps trace records. |
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277 | */ |
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278 | |
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279 | void |
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280 | rtems_capture_print_trace_records (int total, bool csv) |
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281 | { |
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282 | ctrace_per_cpu* per_cpu; |
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283 | ctrace_per_cpu* cpu; |
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284 | int cpus; |
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285 | rtems_capture_time last_time = 0; |
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286 | int i; |
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287 | |
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288 | cpus = rtems_scheduler_get_processor_maximum (); |
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289 | |
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290 | per_cpu = calloc (cpus, sizeof(*per_cpu)); |
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291 | if (per_cpu == NULL) |
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292 | { |
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293 | fprintf(stdout, "error: no memory\n"); |
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294 | return; |
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295 | } |
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296 | |
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297 | while (total) |
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298 | { |
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299 | const rtems_capture_record* rec_out = NULL; |
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300 | int cpu_out = -1; |
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301 | rtems_capture_time this_time = 0; |
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302 | |
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303 | /* Prime the per_cpu data */ |
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304 | for (i = 0; i < cpus; i++) { |
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305 | cpu = &per_cpu[i]; |
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306 | |
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307 | if (cpu->read == 0) |
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308 | { |
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309 | rtems_status_code sc; |
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310 | sc = rtems_capture_read (i, &cpu->read, &cpu->recs); |
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311 | if (sc != RTEMS_SUCCESSFUL) |
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312 | { |
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313 | fprintf (stdout, |
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314 | "error: trace read failed: %s\n", rtems_status_text (sc)); |
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315 | rtems_capture_flush (0); |
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316 | free (per_cpu); |
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317 | return; |
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318 | } |
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319 | /* Release the buffer if there are no records to read */ |
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320 | if (cpu->read == 0) |
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321 | rtems_capture_release (i, 0); |
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322 | } |
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323 | |
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324 | /* Read the record out from the capture buffer */ |
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325 | if (!cpu->rec_valid && (cpu->read != 0)) |
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326 | { |
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327 | cpu->recs = rtems_capture_record_extract (cpu->recs, |
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328 | &cpu->rec, |
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329 | sizeof (cpu->rec)); |
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330 | cpu->rec_valid = true; |
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331 | } |
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332 | |
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333 | /* Find the next record to print, the earliest recond on any core */ |
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334 | if ((cpu->rec_valid) && ((this_time == 0) || (cpu->rec.time < this_time))) |
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335 | { |
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336 | rec_out = &cpu->rec; |
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337 | cpu_out = i; |
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338 | this_time = rec_out->time; |
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339 | } |
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340 | } |
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341 | |
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342 | /* If we have read all the records abort. */ |
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343 | if (rec_out == NULL) |
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344 | break; |
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345 | |
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346 | cpu = &per_cpu[cpu_out]; |
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347 | |
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348 | /* Print the record */ |
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349 | if (csv) |
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350 | { |
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351 | fprintf(stdout, |
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352 | "%03i,%08" PRIu32 ",%03" PRIu32 |
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353 | ",%03" PRIu32 ",%04" PRIx32 ",%" PRId64 "\n", |
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354 | cpu_out, |
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355 | (uint32_t) rec_out->task_id, |
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356 | (rec_out->events >> RTEMS_CAPTURE_REAL_PRIORITY_EVENT) & 0xff, |
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357 | (rec_out->events >> RTEMS_CAPTURE_CURR_PRIORITY_EVENT) & 0xff, |
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358 | (rec_out->events >> RTEMS_CAPTURE_EVENT_START), |
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359 | (uint64_t) rec_out->time); |
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360 | } |
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361 | else |
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362 | { |
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363 | if ((rec_out->events >> RTEMS_CAPTURE_EVENT_START) == 0) |
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364 | { |
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365 | rtems_capture_task_record task_rec; |
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366 | cpu->recs = rtems_capture_record_extract (cpu->recs, |
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367 | &task_rec, |
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368 | sizeof (task_rec)); |
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369 | ctrace_task_name_add (rec_out->task_id, task_rec.name); |
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370 | rtems_capture_print_record_task (cpu_out, rec_out, &task_rec); |
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371 | } |
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372 | else |
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373 | { |
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374 | rtems_capture_time diff; |
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375 | const rtems_name* name = NULL; |
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376 | if (last_time != 0) |
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377 | diff = rec_out->time - last_time; |
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378 | else |
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379 | diff = 0; |
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380 | last_time = rec_out->time; |
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381 | ctrace_task_name_find (rec_out->task_id, &name); |
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382 | rtems_capture_print_record_capture (cpu_out, rec_out, diff, name); |
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383 | if ((rec_out->events & |
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384 | (RTEMS_CAPTURE_DELETED_BY_EVENT | RTEMS_CAPTURE_DELETED_EVENT)) != 0) |
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385 | ctrace_task_name_remove (rec_out->task_id); |
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386 | } |
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387 | } |
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388 | |
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389 | /* |
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390 | * If we have not printed all the records read increment to the next |
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391 | * record. If we have printed all records release the records printed. |
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392 | */ |
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393 | cpu->rec_valid = false; |
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394 | ++cpu->printed; |
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395 | if (cpu->printed == cpu->read) |
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396 | { |
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397 | rtems_capture_release (cpu_out, cpu->printed); |
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398 | cpu->recs = NULL; |
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399 | cpu->read = 0; |
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400 | cpu->printed = 0; |
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401 | } |
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402 | |
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403 | --total; |
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404 | } |
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405 | |
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406 | /* Finished so release all the records that were printed. */ |
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407 | for (i = 0; i < cpus; i++) |
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408 | { |
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409 | cpu = &per_cpu[i]; |
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410 | if (cpu->read != 0) |
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411 | { |
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412 | rtems_capture_release (i, cpu->printed); |
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413 | } |
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414 | } |
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415 | |
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416 | free(per_cpu); |
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417 | } |
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418 | |
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419 | void |
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420 | rtems_capture_print_watch_list (void) |
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421 | { |
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422 | rtems_capture_control* control = rtems_capture_get_control_list (); |
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423 | rtems_task_priority ceiling = rtems_capture_watch_get_ceiling (); |
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424 | rtems_task_priority floor = rtems_capture_watch_get_floor (); |
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425 | |
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426 | fprintf (stdout, "watch priority ceiling is %" PRId32 "\n", ceiling); |
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427 | fprintf (stdout, "watch priority floor is %" PRId32 "\n", floor); |
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428 | fprintf (stdout, "global watch is %s\n", |
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429 | rtems_capture_watch_global_on () ? "enabled" : "disabled"); |
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430 | fprintf (stdout, "total %" PRId32 "\n", rtems_capture_control_count ()); |
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431 | |
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432 | while (control) |
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433 | { |
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434 | uint32_t flags; |
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435 | int f; |
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436 | int fshowed; |
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437 | int lf; |
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438 | |
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439 | fprintf (stdout, " "); |
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440 | rtems_monitor_dump_id (rtems_capture_control_id (control)); |
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441 | fprintf (stdout, " "); |
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442 | rtems_monitor_dump_name (rtems_capture_control_name (control)); |
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443 | flags = rtems_capture_control_flags (control); |
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444 | fprintf (stdout, " %c%c ", |
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445 | rtems_capture_watch_global_on () ? 'g' : '-', |
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446 | flags & RTEMS_CAPTURE_WATCH ? 'w' : '-'); |
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447 | flags = rtems_capture_control_to_triggers (control); |
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448 | fprintf (stdout, " T:%c%c%c%c%c%c%c", |
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449 | flags & RTEMS_CAPTURE_SWITCH ? 'S' : '-', |
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450 | flags & RTEMS_CAPTURE_CREATE ? 'C' : '-', |
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451 | flags & RTEMS_CAPTURE_START ? 'S' : '-', |
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452 | flags & RTEMS_CAPTURE_RESTART ? 'R' : '-', |
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453 | flags & RTEMS_CAPTURE_DELETE ? 'D' : '-', |
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454 | flags & RTEMS_CAPTURE_BEGIN ? 'B' : '-', |
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455 | flags & RTEMS_CAPTURE_EXITTED ? 'E' : '-'); |
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456 | flags = rtems_capture_control_from_triggers (control); |
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457 | fprintf (stdout, " F:%c%c%c%c%c", |
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458 | flags & RTEMS_CAPTURE_SWITCH ? 'S' : '-', |
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459 | flags & RTEMS_CAPTURE_CREATE ? 'C' : '-', |
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460 | flags & RTEMS_CAPTURE_START ? 'S' : '-', |
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461 | flags & RTEMS_CAPTURE_RESTART ? 'R' : '-', |
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462 | flags & RTEMS_CAPTURE_DELETE ? 'D' : '-'); |
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463 | |
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464 | for (f = 0, fshowed = 0, lf = 1; f < RTEMS_CAPTURE_TRIGGER_TASKS; f++) |
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465 | { |
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466 | if (rtems_capture_control_by_valid (control, f)) |
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467 | { |
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468 | if (lf && ((fshowed % 3) == 0)) |
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469 | { |
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470 | fprintf (stdout, "\n"); |
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471 | lf = 0; |
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472 | } |
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473 | |
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474 | fprintf (stdout, " %2i:", f); |
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475 | rtems_monitor_dump_name (rtems_capture_control_by_name (control, f)); |
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476 | fprintf (stdout, "/"); |
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477 | rtems_monitor_dump_id (rtems_capture_control_by_id (control, f)); |
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478 | flags = rtems_capture_control_by_triggers (control, f); |
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479 | fprintf (stdout, ":%c%c%c%c%c", |
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480 | flags & RTEMS_CAPTURE_SWITCH ? 'S' : '-', |
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481 | flags & RTEMS_CAPTURE_CREATE ? 'C' : '-', |
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482 | flags & RTEMS_CAPTURE_START ? 'S' : '-', |
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483 | flags & RTEMS_CAPTURE_RESTART ? 'R' : '-', |
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484 | flags & RTEMS_CAPTURE_DELETE ? 'D' : '-'); |
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485 | fshowed++; |
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486 | lf = 1; |
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487 | } |
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488 | } |
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489 | |
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490 | if (lf) |
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491 | fprintf (stdout, "\n"); |
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492 | |
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493 | control = rtems_capture_next_control (control); |
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494 | } |
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495 | } |
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