1 | /* |
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2 | * COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org> |
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3 | * |
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4 | * The license and distribution terms for this file may be |
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5 | * found in the file LICENSE in this distribution or at |
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6 | * http://www.rtems.com/license/LICENSE. |
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7 | * |
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8 | * $Id$ |
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9 | */ |
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10 | /** |
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11 | * @file |
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12 | * |
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13 | * @ingroup rtems-rfs |
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14 | * |
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15 | * RTEMS File Systems Trace Support |
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16 | */ |
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17 | |
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18 | #if HAVE_CONFIG_H |
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19 | #include "config.h" |
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20 | #endif |
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21 | |
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22 | #include <string.h> |
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23 | #include <rtems/rfs/rtems-rfs-trace.h> |
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24 | |
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25 | #if RTEMS_RFS_TRACE |
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26 | static rtems_rfs_trace_mask rtems_rfs_trace_flags; |
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27 | |
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28 | bool |
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29 | rtems_rfs_trace (rtems_rfs_trace_mask mask) |
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30 | { |
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31 | bool result = false; |
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32 | if (mask & rtems_rfs_trace_flags) |
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33 | result = true; |
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34 | return result; |
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35 | } |
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36 | |
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37 | rtems_rfs_trace_mask |
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38 | rtems_rfs_trace_set_mask (rtems_rfs_trace_mask mask) |
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39 | { |
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40 | rtems_rfs_trace_mask state = rtems_rfs_trace_flags; |
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41 | rtems_rfs_trace_flags |= mask; |
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42 | return state; |
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43 | } |
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44 | |
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45 | rtems_rfs_trace_mask |
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46 | rtems_rfs_trace_clear_mask (rtems_rfs_trace_mask mask) |
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47 | { |
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48 | rtems_rfs_trace_mask state = rtems_rfs_trace_flags; |
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49 | rtems_rfs_trace_flags &= ~mask; |
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50 | return state; |
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51 | } |
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52 | |
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53 | int |
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54 | rtems_rfs_trace_shell_command (int argc, char *argv[]) |
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55 | { |
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56 | const char* table[] = |
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57 | { |
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58 | "open", |
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59 | "close", |
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60 | "mutex", |
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61 | "buffer-open", |
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62 | "buffer-close", |
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63 | "buffer-sync", |
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64 | "buffer-release", |
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65 | "buffer-chains", |
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66 | "buffer-handle-request", |
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67 | "buffer-handle-release", |
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68 | "buffer-setblksize", |
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69 | "buffers-release", |
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70 | "block-find", |
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71 | "block-map-grow", |
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72 | "block-map-shrink", |
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73 | "group-open", |
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74 | "group-close", |
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75 | "group-bitmaps", |
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76 | "inode-open", |
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77 | "inode-close", |
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78 | "inode-load", |
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79 | "inode-unload", |
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80 | "inode-create", |
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81 | "inode-delete", |
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82 | "link", |
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83 | "unlink", |
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84 | "dir-lookup-ino", |
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85 | "dir-lookup-ino-check", |
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86 | "dir-lookup-ino-found", |
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87 | "dir-add-entry", |
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88 | "dir-del-entry", |
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89 | "dir-read", |
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90 | "dir-empty", |
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91 | "symlink", |
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92 | "symlink-read", |
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93 | "file-open", |
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94 | "file-close", |
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95 | "file-io" |
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96 | }; |
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97 | |
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98 | rtems_rfs_trace_mask set_value = 0; |
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99 | rtems_rfs_trace_mask clear_value = 0; |
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100 | bool set = true; |
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101 | int arg; |
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102 | int t; |
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103 | |
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104 | for (arg = 1; arg < argc; arg++) |
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105 | { |
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106 | if (argv[arg][0] == '-') |
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107 | { |
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108 | switch (argv[arg][1]) |
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109 | { |
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110 | case 'h': |
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111 | printf ("usage: %s [-hl] [set/clear] [flags]\n", argv[0]); |
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112 | return 0; |
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113 | case 'l': |
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114 | printf ("%s: valid flags to set or clear are:\n", argv[0]); |
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115 | for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++) |
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116 | printf (" %s\n", table[t]); |
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117 | return 0; |
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118 | default: |
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119 | printf ("error: unknown option\n"); |
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120 | return 1; |
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121 | } |
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122 | } |
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123 | else |
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124 | { |
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125 | if (strcmp (argv[arg], "set") == 0) |
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126 | set = true; |
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127 | if (strcmp (argv[arg], "clear") == 0) |
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128 | set = false; |
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129 | else if (strcmp (argv[arg], "all") == 0) |
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130 | { |
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131 | if (set) |
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132 | set_value = RTEMS_RFS_TRACE_ALL; |
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133 | else |
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134 | clear_value = RTEMS_RFS_TRACE_ALL; |
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135 | } |
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136 | else |
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137 | { |
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138 | for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++) |
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139 | { |
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140 | if (strcmp (argv[arg], table[t]) == 0) |
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141 | { |
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142 | if (set) |
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143 | set_value = 1 << t; |
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144 | else |
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145 | clear_value = 1 << t; |
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146 | break; |
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147 | } |
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148 | } |
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149 | } |
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150 | |
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151 | rtems_rfs_trace_flags |= set_value; |
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152 | rtems_rfs_trace_flags &= ~clear_value; |
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153 | } |
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154 | } |
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155 | |
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156 | return 0; |
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157 | } |
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158 | |
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159 | #endif |
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