Mercurial > nand-ecoscentric
annotate packages/kernel/current/include/stackmon.hxx @ 8:ece80412419a ecos-sw-1999-05-21
Merge from eCos master repository on 1999-05-21-22:05:54-BST
| author | jlarmour |
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| date | Fri, 21 May 1999 15:09:30 +0000 |
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1 #ifndef CYGONCE_KERNEL_TESTS_STACKMON_H |
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2 #define CYGONCE_KERNEL_TESTS_STACKMON_H |
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3 |
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4 /*================================================================= |
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5 // |
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6 // stackmon.h |
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7 // |
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8 // Auxiliary test header file |
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9 // |
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10 //========================================================================== |
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11 //####COPYRIGHTBEGIN#### |
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12 // |
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13 // ------------------------------------------- |
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14 // The contents of this file are subject to the Cygnus eCos Public License |
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15 // Version 1.0 (the "License"); you may not use this file except in |
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16 // compliance with the License. You may obtain a copy of the License at |
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17 // http://sourceware.cygnus.com/ecos |
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18 // |
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19 // Software distributed under the License is distributed on an "AS IS" |
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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21 // License for the specific language governing rights and limitations under |
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22 // the License. |
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23 // |
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24 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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25 // September 30, 1998. |
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26 // |
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27 // The Initial Developer of the Original Code is Cygnus. Portions created |
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28 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
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29 // ------------------------------------------- |
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30 // |
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31 //####COPYRIGHTEND#### |
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32 //========================================================================== |
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33 //#####DESCRIPTIONBEGIN#### |
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34 // |
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35 // Author(s): hmt |
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36 // Contributors: hmt |
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37 // Date: 1999-05-20 |
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38 // Description: |
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39 // Defines some convenience functions for stack use output. |
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40 // |
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41 //####DESCRIPTIONEND#### |
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42 */ |
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43 |
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44 #include <pkgconf/system.h> |
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45 #include <pkgconf/hal.h> |
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46 #include <cyg/hal/hal_arch.h> |
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47 #include <cyg/hal/hal_intr.h> |
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48 #ifdef CYGPKG_KERNEL |
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49 #include <pkgconf/kernel.h> |
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50 #include <cyg/kernel/sched.hxx> |
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51 #include <cyg/kernel/thread.hxx> |
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52 #include <cyg/kernel/thread.inl> |
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53 #endif |
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54 |
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55 #ifndef STACKMON_PRINTF |
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56 externC void diag_printf(const char *, ...); |
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57 #define STACKMON_PRINTF diag_printf |
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58 #endif |
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59 |
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60 // ------------------------------------------------------------------------ |
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61 // Utility function for actually counting a stack |
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62 |
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63 inline void cyg_test_size_a_stack( char *comment, char *format, |
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64 char *base, char *top ) |
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65 { |
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66 register char *p; |
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67 for ( p = base; p < top; p++ ) |
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68 if ( *p ) |
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69 break; |
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70 STACKMON_PRINTF( format, comment, top - p, top - base ); |
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71 } |
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72 |
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73 // ------------------------------------------------------------------------ |
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74 |
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75 inline void cyg_test_dump_stack_stats( char *comment, |
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76 char *base, char *top ) |
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77 { |
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78 cyg_test_size_a_stack( comment, "%31s : stack used %5d size %5d\n", |
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79 base, top ); |
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80 } |
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81 |
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82 // ------------------------------------------------------------------------ |
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83 |
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84 inline void cyg_test_dump_thread_stack_stats( char *comment, |
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85 Cyg_Thread *p ) |
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86 { |
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87 char *base, *top; |
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88 base = (char *)p->get_stack_base(); |
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89 top = base + p->get_stack_size(); |
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90 cyg_test_dump_stack_stats( comment, base, top ); |
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91 } |
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92 |
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93 // ------------------------------------------------------------------------ |
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94 // Print out size of idle thread stack usage since start-of-time. Only |
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95 // meaningful if there is a scheduler. |
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96 |
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97 inline void cyg_test_dump_idlethread_stack_stats( char *comment ) |
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98 { |
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99 #ifdef CYGPKG_KERNEL |
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100 extern Cyg_Thread idle_thread; |
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101 // idle thread is not really a plain CygThread; danger. |
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102 char *ibase = (char *)idle_thread.get_stack_base(); |
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103 char *istack = ibase + idle_thread.get_stack_size(); |
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104 cyg_test_size_a_stack( comment, |
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105 "%20s : Idlethread stack used %5d size %5d\n", |
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106 ibase, istack ); |
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107 #endif |
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108 } |
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109 |
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110 // ------------------------------------------------------------------------ |
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111 // Print out size of interrupt stack usage since start-of-time or since it |
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112 // was last cleared. NB on some architectures and configurations, the |
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113 // interrupt stack is the same as the bootup stack, so clear it in the |
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114 // first first thread to execute. Clearing it before scheduler start would |
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115 // be fatal! |
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116 |
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117 inline void cyg_test_dump_interrupt_stack_stats( char *comment ) |
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118 { |
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119 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK |
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120 #ifdef HAL_INTERRUPT_STACK_BASE |
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121 #ifdef HAL_INTERRUPT_STACK_TOP |
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122 extern char HAL_INTERRUPT_STACK_BASE[]; |
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123 extern char HAL_INTERRUPT_STACK_TOP[]; |
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124 cyg_test_size_a_stack( comment, |
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125 "%20s : Interrupt stack used %5d size %5d\n", |
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126 HAL_INTERRUPT_STACK_BASE, HAL_INTERRUPT_STACK_TOP ); |
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127 #endif |
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128 #endif |
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129 #endif |
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130 } |
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131 |
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132 // Clear interrupt stack to reset stats - only after sched has started. |
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133 inline void cyg_test_clear_interrupt_stack( void ) |
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134 { |
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135 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK |
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136 #ifdef HAL_INTERRUPT_STACK_BASE |
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137 #ifdef HAL_INTERRUPT_STACK_TOP |
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138 cyg_uint32 old_intr; |
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139 extern char HAL_INTERRUPT_STACK_BASE[]; |
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140 extern char HAL_INTERRUPT_STACK_TOP[]; |
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141 register char *p; |
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142 HAL_DISABLE_INTERRUPTS(old_intr); |
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143 for ( p = HAL_INTERRUPT_STACK_BASE; p < HAL_INTERRUPT_STACK_TOP; p++ ) |
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144 *p = 0; // zero it for checking later |
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145 HAL_RESTORE_INTERRUPTS(old_intr); |
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146 #endif |
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147 #endif |
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148 #endif |
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149 } |
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150 |
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151 // ------------------------------------------------------------------------ |
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152 |
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153 #endif // ifndef CYGONCE_KERNEL_TESTS_STACKMON_H |
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154 |
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155 // EOF stackmon.h |
