annotate packages/kernel/current/tests/stress_threads.c @ 151:25e238959bae

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author jlarmour
date Tue, 13 Feb 2001 01:23:16 +0000
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1 //==========================================================================
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2 //
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3 // stress_threads.cxx
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4 //
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5 // Basic thread stress test
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): rosalia
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35 // Contributors: rosalia, jskov
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36 // Date: 1999-04-13
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37 // Description: Very simple thread stress test, with some memory
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38 // allocation and alarm handling.
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39 //
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40 // Notes:
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41 // If client_makes_request is big, it means that there are made many more
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42 // client requests than can be serviced. Consequently, clients are wasting
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43 // CPU time and should be sleeping more.
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44 //
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45 // The list of handler invocations show how many threads are running
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46 // at the same time. The more powerful the CPU, the more the numbers
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47 // should spread out.
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48 //####DESCRIPTIONEND####
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49
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50 #include <pkgconf/system.h>
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51 #include <cyg/infra/testcase.h>
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52
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53 #include <cyg/hal/hal_arch.h>
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54
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55 #if defined(CYGPKG_KERNEL) && defined(CYGPKG_IO) && defined(CYGPKG_ISOINFRA)
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57 #include <pkgconf/kernel.h>
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58 #include <pkgconf/isoinfra.h>
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59 #include CYGHWR_MEMORY_LAYOUT_H
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61 #if defined(CYGFUN_KERNEL_API_C)
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63 #include <cyg/kernel/kapi.h>
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64
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65 #ifdef CYGINT_ISO_STDIO_FORMATTED_IO
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67 #include <stdio.h>
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68 #include <stdlib.h>
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70 #if defined(CYGPKG_LIBM)
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72 #include <math.h>
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73 #include <assert.h>
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74
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75 #include <cyg/kernel/test/stackmon.h>
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76
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77 #if defined(CYGFUN_KERNEL_THREADS_TIMER)
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78 #if CYGINT_ISO_MALLOC
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79
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80 /* if TIME_LIMIT is defined, it represents the number of seconds this
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81 test should last; if it is undefined the test will go forever */
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82 #define DEATH_TIME_LIMIT 20
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83 /* #undef DEATH_TIME_LIMIT */
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84
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85 // STACK_SIZE is typical +2kB for printf family calls which use big
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86 // auto variables. Add more for handler which calls perform_stressful_tasks()
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87 #define STACK_SIZE (2*1024 + CYGNUM_HAL_STACK_SIZE_TYPICAL)
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88 #define STACK_SIZE_HANDLER (STACK_SIZE + 30*CYGNUM_HAL_STACK_FRAME_SIZE)
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89
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90 #define N_MAIN 1
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91
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92 //-----------------------------------------------------------------------
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93 // Some targets need to define a smaller number of handlers due to
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94 // memory restrictions.
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95 #if defined(CYGMEM_REGION_ram_SIZE) && (CYGMEM_REGION_ram_SIZE < 0x80000)
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96 #define MAX_HANDLERS 4
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97 #define N_LISTENERS 1
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98 #define N_CLIENTS 1
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99
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100 #undef STACK_SIZE
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101 #undef STACK_SIZE_HANDLER
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102 #define STACK_SIZE (1024 + CYGNUM_HAL_STACK_SIZE_TYPICAL)
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103 #define STACK_SIZE_HANDLER (STACK_SIZE + 10*CYGNUM_HAL_STACK_FRAME_SIZE)
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104 #endif
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105
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106 //-----------------------------------------------------------------------
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107 // If no target specific definitions, use defaults
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108 #ifndef MAX_HANDLERS
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109 #define MAX_HANDLERS 19
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110 #define N_LISTENERS 4
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111 #define N_CLIENTS 4
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112 #endif
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113
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114 /* Allocate priorities in this order. This ensures that handlers
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115 (which are the ones using the CPU) get enough CPU time to actually
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116 complete their tasks.
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117
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118 The empty space ensures that if libc main() thread should happen to
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119 be in the priority range of the handlers, no handlers are
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120 accidently reduced so much in priority to get below
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121 listeners/clients. */
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122
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123 #define P_MAIN_PROGRAM 1
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124 #define P_MAIN_PROGRAM_E (P_MAIN_PROGRAM+N_MAIN)
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125
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126 #define P_BASE_HANDLER (P_MAIN_PROGRAM_E)
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127 #define P_BASE_HANDLER_E (P_BASE_HANDLER+MAX_HANDLERS)
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128
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129 #define P_BASE_EMPTY (P_BASE_HANDLER_E)
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130 #define P_BASE_EMPTY_E (P_BASE_EMPTY+2)
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131
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132 #define P_BASE_LISTENER (P_BASE_EMPTY_E)
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133 #define P_BASE_LISTENER_E (P_BASE_LISTENER+N_LISTENERS)
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134
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135 #define P_BASE_CLIENT (P_BASE_LISTENER_E)
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136 #define P_BASE_CLIENT_E (P_BASE_CLIENT+N_CLIENTS)
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137
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138 #define P_MAX (P_BASE_CLIENT_E)
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139
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140 /* Ensure there's room for what we request */
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141 #if (CYGNUM_KERNEL_SCHED_PRIORITIES >= P_MAX)
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143 /* if we use the bitmap scheduler we must make sure we don't use the
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144 same priority more than once, so we must store those already in use */
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145 static volatile char priority_in_use[P_MAX];
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146
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147 /* We may not get the priority we ask for (scheduler may decide to ignore
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148 schedule hint). So keep a table of priorities actually assigned to
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149 the threads. This information may come in handy for debugging - it's
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150 not actively used by the code. */
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151 static volatile int priority_translation[P_MAX];
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152
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153 /* now declare (and allocate space for) some kernel objects, like the
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154 threads we will use */
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155 cyg_thread main_thread_s;
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156 cyg_thread handler_thread_s[MAX_HANDLERS];
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157 cyg_thread listener_thread_s[N_LISTENERS];
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158 cyg_thread client_thread_s[N_CLIENTS];
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159
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160 /* space for stacks for all threads */
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161 char main_stack[STACK_SIZE];
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162 char handler_stack[MAX_HANDLERS][STACK_SIZE_HANDLER];
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163 char listener_stack[N_LISTENERS][STACK_SIZE];
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164 char client_stack[N_CLIENTS][STACK_SIZE];
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165
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166 /* now the handles for the threads */
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167 cyg_handle_t mainH;
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168 cyg_handle_t handlerH[MAX_HANDLERS];
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169 cyg_handle_t listenerH[N_LISTENERS];
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170 cyg_handle_t clientH[N_CLIENTS];
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171
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172 /* space for thread names */
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173 char thread_name[P_MAX][20];
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174
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175 /* and now variables for the procedure which is the thread */
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176 cyg_thread_entry_t main_program, client_program, listener_program,
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177 handler_program;
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178
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179 /* a few mutexes used in the code */
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180 cyg_mutex_t client_request_lock, handler_slot_lock, statistics_print_lock,
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181 free_handler_lock;
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182
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183 /* global variables with which the handler IDs and thread priorities
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184 to free are communicated from handlers to main_program. Access to
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185 these are protected by free_handler_lock. An id of -1 means the
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186 that the variables are empty. */
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187 volatile int free_handler_pri = 0;
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188 volatile int free_handler_id = -1;
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189
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190 /* a global variable with which the client and server coordinate */
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191 volatile int client_makes_request = 0;
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192
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193 /* if this is true, clients will not make requests */
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194 volatile int clients_paused = 0;
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195
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196
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197 /* indicates that it's time to print out a report */
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198 volatile int time_to_report = 0;
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199 /* print status after a delay of this many secs. */
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200 int time_report_delay;
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201
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202 /*** now application-specific variables ***/
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203 /* an array that stores whether the handler threads are in use */
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204 volatile int handler_thread_in_use[MAX_HANDLERS];
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205 /* total count of active handlers */
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206 volatile int handler_thread_in_use_count;
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207
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208
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209 /***** statistics-gathering variables *****/
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210 struct s_statistics {
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211 /* store the number of times each handler has been invoked */
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212 unsigned long handler_invocation_histogram[MAX_HANDLERS];
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213
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214 /* store how many times malloc has been attempted and how many times
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215 it has failed */
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216 unsigned long malloc_tries, malloc_failures;
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217
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218 /* how many threads have been created */
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219 unsigned long thread_creations, thread_exits;
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220 };
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221
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222 struct s_statistics statistics;
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223
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224 /* some function prototypes; those with the sc_ prefix are
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225 "statistics-collecting" versions of the cyg_ primitives */
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226 cyg_addrword_t sc_thread_create(
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227 cyg_addrword_t sched_info, /* scheduling info (eg pri) */
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228 cyg_thread_entry_t *entry, /* entry point function */
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229 cyg_addrword_t entry_data, /* entry data */
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230 char *name, /* optional thread name */
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231 void *stack_base, /* stack base, NULL = alloc */
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232 cyg_ucount32 stack_size, /* stack size, 0 = default */
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233 cyg_handle_t *handle, /* returned thread handle */
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234 cyg_thread *thread /* put thread here */
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235 );
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236
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237 void start_handler(void);
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238 void stop_handler(int handler_id, int handler_pri);
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239 void perform_stressful_tasks(void);
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240 void permute_array(char a[], int size, int seed);
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241 void setup_death_alarm(cyg_addrword_t data, cyg_handle_t *deathHp,
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242 cyg_alarm *death_alarm_p, int *killed_p);
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243 void print_statistics(int print_full);
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244
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245 /* we need to declare the alarm handling function (which is defined
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246 below), so that we can pass it to cyg_alarm_initialize() */
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247 cyg_alarm_t report_alarm_func, death_alarm_func;
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248
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249 /* handle and alarm for the report alarm */
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250 cyg_handle_t report_alarmH, counterH, system_clockH;
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251 cyg_alarm report_alarm;
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252
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253 /* main launches all the threads of the test */
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254 int
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255 main(void)
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256 {
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257 int i;
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258
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259 CYG_TEST_INIT();
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260 CYG_TEST_INFO("Stress threads test compiled on " __DATE__);
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261
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262 cyg_mutex_init(&client_request_lock);
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263 cyg_mutex_init(&statistics_print_lock);
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264 cyg_mutex_init(&free_handler_lock);
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265
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266 /* initialize statistics */
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267 memset(&statistics, 0, sizeof(statistics));
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268
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269 /* clear priority table */
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270 for (i = 0; i < sizeof(priority_in_use); i++)
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271 priority_in_use[i] = 0;
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272
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273 /* initialize main thread */
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274 {
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275 priority_translation[P_MAIN_PROGRAM] =
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276 sc_thread_create(P_MAIN_PROGRAM, main_program, (cyg_addrword_t) 0,
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277 "main_program", (void *) main_stack, STACK_SIZE,
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278 &mainH, &main_thread_s);
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279 priority_in_use[P_MAIN_PROGRAM]++;
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280 }
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281
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282 /* initialize all handler threads to not be in use */
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283 for (i = 0; i < MAX_HANDLERS; ++i) {
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284 handler_thread_in_use[i] = 0;
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285 }
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286 handler_thread_in_use_count = 0;
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287 for (i = 0; i < N_LISTENERS; ++i) {
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288 int prio = P_BASE_LISTENER + i;
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289 char* name = &thread_name[prio][0];
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290 sprintf(name, "listener-%02d", i);
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291 priority_translation[prio] =
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292 sc_thread_create(prio, listener_program, (cyg_addrword_t) i,
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293 name, (void *) listener_stack[i], STACK_SIZE,
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294 &listenerH[i], &listener_thread_s[i]);
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295 CYG_ASSERT(0 == priority_in_use[prio], "Priority already in use!");
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296 priority_in_use[prio]++;
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297 }
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298 for (i = 0; i < N_CLIENTS; ++i) {
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299 int prio = P_BASE_CLIENT + i;
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300 char* name = &thread_name[prio][0];
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301 sprintf(name, "client-%02d", i);
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302 priority_translation[prio] =
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303 sc_thread_create(prio, client_program, (cyg_addrword_t) i,
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304 name, (void *) client_stack[i], STACK_SIZE,
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305 &(clientH[i]), &client_thread_s[i]);
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306 CYG_ASSERT(0 == priority_in_use[prio], "Priority already in use!");
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307 priority_in_use[prio]++;
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308 }
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309
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310 cyg_thread_resume(mainH);
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311 for (i = 0; i < N_CLIENTS; ++i) {
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312 cyg_thread_resume(clientH[i]);
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313 }
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314 for (i = 0; i < N_LISTENERS; ++i) {
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315 cyg_thread_resume(listenerH[i]);
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316 }
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317
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318 /* set up the alarm which gives periodic wakeups to say "time to
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319 print a report */
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320 system_clockH = cyg_real_time_clock();
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321 cyg_clock_to_counter(system_clockH, &counterH);
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322
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323 cyg_alarm_create(counterH, report_alarm_func,
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324 (cyg_addrword_t) 4000,
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325 &report_alarmH, &report_alarm);
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326 if (cyg_test_is_simulator) {
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327 time_report_delay = 2;
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328 } else {
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329 time_report_delay = 60;
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330 }
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331
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332 cyg_alarm_initialize(report_alarmH, cyg_current_time()+200,
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333 time_report_delay*100);
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334
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335 return 0;
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336 }
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337
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338 /* main_program() -- frees resources and prints status. */
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339 void main_program(cyg_addrword_t data)
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340 {
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341 #ifdef DEATH_TIME_LIMIT
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342 cyg_handle_t deathH;
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343 cyg_alarm death_alarm;
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344 int is_dead = 0;
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345
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346 setup_death_alarm(0, &deathH, &death_alarm, &is_dead);
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347 #endif /* DEATH_TIME_LIMIT */
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348
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349 for (;;) {
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350 int handler_id = -1;
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351 int handler_pri = 0;
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352
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353 cyg_mutex_lock(&free_handler_lock); {
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354 // If any handler has left its ID, copy the ID and
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355 // priority values to local variables, and free up the
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356 // global communication variables again.
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357 if (-1 != free_handler_id) {
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358 handler_id = free_handler_id;
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359 handler_pri = free_handler_pri;
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360 free_handler_id = -1;
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361 }
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362 } cyg_mutex_unlock(&free_handler_lock);
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363
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364 if (-1 != handler_id) {
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365 stop_handler(handler_id, handler_pri);
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366 }
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367
38
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368 // If it's time to report status or quit, set pause flag and
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369 // keep looping until all handlers have stopped.
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370 if (time_to_report) {
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371 // Pause clients
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372 cyg_mutex_lock(&client_request_lock); {
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373 clients_paused = 1;
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374 } cyg_mutex_unlock(&client_request_lock);
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375
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376 // When all handlers have stopped, we can print statistics
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377 // knowing that all (handler allocated) resources should have
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378 // been freed. That is, we should be able to determine leaks.
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379 if (0 == handler_thread_in_use_count) {
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380 print_statistics(0);
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381
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382 // We've done the printing now. Resume the system.
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383 time_to_report = 0;
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384 cyg_mutex_lock(&client_request_lock); {
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385 clients_paused = 0;
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386 } cyg_mutex_unlock(&client_request_lock);
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387 }
4
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388 }
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389
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390 #ifdef DEATH_TIME_LIMIT
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391 // Stop test if time.
4
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392 if (is_dead) {
115
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393 // Pause clients
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394 cyg_mutex_lock(&client_request_lock); {
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395 clients_paused = 1;
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396 } cyg_mutex_unlock(&client_request_lock);
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397
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398 // When all handlers have stopped, we can print statistics
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399 // knowing that all (handler allocated) resources should have
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400 // been freed. That is, we should be able to determine leaks.
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401 if (0 == handler_thread_in_use_count) {
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402 print_statistics(1);
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403 CYG_TEST_PASS_FINISH("Kernel thread stress test OK");
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404 }
4
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405 }
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406 #endif /* DEATH_TIME_LIMIT */
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407
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408 cyg_thread_delay(3);
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409 }
2
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410 }
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411
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412 /* client_program() -- an obnoxious client which makes a lot of requests */
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413 void client_program(cyg_addrword_t data)
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414 {
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415 int delay;
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416
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417 system_clockH = cyg_real_time_clock();
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418 cyg_clock_to_counter(system_clockH, &counterH);
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419
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420 for (;;) {
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421 delay = (rand() % 20);
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422
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423 /* now send a request to the server */
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424 cyg_mutex_lock(&client_request_lock); {
38
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425 if (0 == clients_paused)
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426 client_makes_request++;
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427 } cyg_mutex_unlock(&client_request_lock);
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428
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429 cyg_thread_delay(10+delay);
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430 }
2
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431 }
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432
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433 /* listener_program() -- listens for a request and spawns a handler to
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434 take care of the request */
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435 void listener_program(cyg_addrword_t data)
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436 {
4
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437 for (;;) {
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438 int make_request = 0;
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439 cyg_mutex_lock(&client_request_lock); {
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440 if (client_makes_request > 0) {
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441 --client_makes_request;
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442 make_request = 1;
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443 }
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444 } cyg_mutex_unlock(&client_request_lock);
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445
38
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446 if (make_request)
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447 start_handler();
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448
4
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449 cyg_thread_delay(2 + (rand() % 10));
2
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450 }
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451 }
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452
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453 /* handler_program() -- is spawned to handle each incoming request */
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454 void handler_program(cyg_addrword_t data)
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455 {
24
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456 /* here is where we perform specific stressful tasks */
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diff changeset
457 perform_stressful_tasks();
2
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458
24
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459 cyg_thread_delay(4 + (int) (0.5*log(1.0 + fabs((rand() % 1000000)))));
2
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460
24
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461 {
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462 // Loop until the handler id and priority can be communicated to
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463 // the main_program.
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464 int freed = 0;
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465 do {
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466 cyg_mutex_lock(&free_handler_lock); {
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467 if (-1 == free_handler_id) {
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468 free_handler_id = data;
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469 free_handler_pri = P_BASE_HANDLER+(int) data;
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470 freed = 1;
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471 }
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472 } cyg_mutex_unlock(&free_handler_lock);
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473 if (!freed)
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474 cyg_thread_delay(2);
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475 } while (!freed);
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476 }
4
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diff changeset
477
24
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478 // Then exit.
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479 cyg_thread_exit();
2
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480 }
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481
38
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diff changeset
482 /* start a new handler */
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diff changeset
483 void start_handler(void)
2
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484 {
38
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485 int prio;
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486 char* name;
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487 int handler_slot;
4
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488 int found = 0;
2
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489
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490 while (!found) {
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491 cyg_mutex_lock(&handler_slot_lock); {
38
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492 for (handler_slot = 0; handler_slot < MAX_HANDLERS;++handler_slot){
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493 if (!handler_thread_in_use[handler_slot]) {
4
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494 found = 1;
38
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diff changeset
495 handler_thread_in_use[handler_slot]++;
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496 handler_thread_in_use_count++;
4
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497 break;
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498 }
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diff changeset
499 }
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500 } cyg_mutex_unlock(&handler_slot_lock);
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501 if (!found)
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diff changeset
502 cyg_thread_delay(1);
2
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503 }
4
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diff changeset
504
38
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505 CYG_ASSERT(1 == handler_thread_in_use[handler_slot],
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diff changeset
506 "Handler usage count wrong!");
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diff changeset
507
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diff changeset
508 prio = P_BASE_HANDLER+handler_slot;
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509 CYG_ASSERT(0 == priority_in_use[prio], "Priority already in use!");
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diff changeset
510 priority_in_use[prio]++;
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diff changeset
511
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diff changeset
512 name = &thread_name[prio][0];
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diff changeset
513 sprintf(name, "handler-%02d/%02d", handler_slot, prio);
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diff changeset
514
62
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diff changeset
515 priority_translation[prio] =
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diff changeset
516 sc_thread_create(prio, handler_program,
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diff changeset
517 (cyg_addrword_t) handler_slot,
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diff changeset
518 name, (void *) handler_stack[handler_slot],
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diff changeset
519 STACK_SIZE_HANDLER, &handlerH[handler_slot],
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520 &handler_thread_s[handler_slot]);
38
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521 cyg_thread_resume(handlerH[handler_slot]);
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522 ++statistics.handler_invocation_histogram[handler_slot];
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diff changeset
523 }
4
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diff changeset
524
38
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diff changeset
525 /* free a locked handler thread */
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diff changeset
526 void stop_handler(int handler_id, int handler_pri)
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diff changeset
527 {
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diff changeset
528 // Finally delete the handler thread. This must be done in a
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diff changeset
529 // loop, waiting for the call to return true. If it returns
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diff changeset
530 // false, go to sleep for a bit, so the killed thread gets a
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diff changeset
531 // chance to run and complete its business.
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diff changeset
532 while (!cyg_thread_delete(handlerH[handler_id])) {
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diff changeset
533 cyg_thread_delay(1);
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diff changeset
534 }
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diff changeset
535 ++statistics.thread_exits;
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diff changeset
536
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diff changeset
537 // Free the handler resources.
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diff changeset
538 cyg_mutex_lock(&handler_slot_lock); {
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diff changeset
539 handler_thread_in_use[handler_id]--;
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diff changeset
540 handler_thread_in_use_count--;
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diff changeset
541 priority_in_use[handler_pri]--;
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diff changeset
542 CYG_ASSERT(0 == priority_in_use[handler_pri],
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diff changeset
543 "Priority not in use!");
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diff changeset
544 CYG_ASSERT(0 == handler_thread_in_use[handler_id],
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diff changeset
545 "Handler not in use!");
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diff changeset
546 CYG_ASSERT(0 <= handler_thread_in_use_count,
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
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diff changeset
547 "Stopped more handlers than was started!");
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diff changeset
548 } cyg_mutex_unlock(&handler_slot_lock);
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diff changeset
549
2
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diff changeset
550 }
443894e2e912 Block commit of eCos version 1.2.1
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551
38
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diff changeset
552
2
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diff changeset
553 /* do things which will stress the system */
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
554 void perform_stressful_tasks()
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
555 {
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diff changeset
556 #define MAX_MALLOCED_SPACES 100 /* do this many mallocs at most */
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
557 #define MALLOCED_BASE_SIZE 1 /* basic size in bytes */
24
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diff changeset
558 char *spaces[MAX_MALLOCED_SPACES];
38
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diff changeset
559 int sizes[MAX_MALLOCED_SPACES];
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diff changeset
560 unsigned int i, j, size;
2
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diff changeset
561
24
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diff changeset
562 cyg_uint8 pool_space[10][100];
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diff changeset
563 cyg_handle_t mempool_handles[10];
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diff changeset
564 cyg_mempool_fix mempool_objects[10];
2
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diff changeset
565
24
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diff changeset
566 /* here I use malloc, which uses the kernel's variable memory pools.
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diff changeset
567 note that malloc/free is a bit simple-minded here: it does not
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parents: 22
diff changeset
568 try to really fragment things, and it does not try to make the
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diff changeset
569 allocation/deallocation concurrent with other thread execution
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diff changeset
570 (although I'm about to throw in a yield()) */
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diff changeset
571 for (i = 0; i < MAX_MALLOCED_SPACES; ++i) {
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diff changeset
572 ++statistics.malloc_tries;
38
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diff changeset
573 size = (i*2+1)*MALLOCED_BASE_SIZE;
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 36
diff changeset
574 spaces[i] = (char *) malloc(size);
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 36
diff changeset
575 sizes[i] = size;
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 36
diff changeset
576
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 36
diff changeset
577 if (spaces[i] != NULL) {
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 36
diff changeset
578 // Fill with a known value (differs between chunk).
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parents: 36
diff changeset
579 for (j = 0; j < size; ++j) {
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parents: 36
diff changeset
580 spaces[i][j] = 0x50 | ((j+i) & 0x0f);
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jlarmour
parents: 36
diff changeset
581 }
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jlarmour
parents: 36
diff changeset
582 }
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jlarmour
parents: 36
diff changeset
583
24
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jlarmour
parents: 22
diff changeset
584 if (i % (MAX_MALLOCED_SPACES/10) == 0) {
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jlarmour
parents: 22
diff changeset
585 cyg_thread_yield();
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jlarmour
parents: 22
diff changeset
586 }
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jlarmour
parents: 22
diff changeset
587 if (i % (MAX_MALLOCED_SPACES/15) == 0) {
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jlarmour
parents: 22
diff changeset
588 cyg_thread_delay(i % 5);
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jlarmour
parents: 22
diff changeset
589 }
2
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jlarmour
parents:
diff changeset
590 }
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
591
38
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jlarmour
parents: 36
diff changeset
592 cyg_thread_delay(5);
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jlarmour
parents: 36
diff changeset
593
24
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jlarmour
parents: 22
diff changeset
594 /* now free it all up */
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jlarmour
parents: 22
diff changeset
595 for (i = 0; i < MAX_MALLOCED_SPACES; ++i) {
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parents: 22
diff changeset
596 if (spaces[i] != NULL) {
38
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diff changeset
597 size = sizes[i];
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parents: 36
diff changeset
598 for (j = 0; j < size; ++j) {
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jlarmour
parents: 36
diff changeset
599 // Validate chunk data.
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jlarmour
parents: 36
diff changeset
600 if ((0x50 | ((j+i) & 0x0f)) != spaces[i][j]) {
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jlarmour
parents: 36
diff changeset
601 printf("Bad byte in chunk\n");
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jlarmour
parents: 36
diff changeset
602 }
24
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parents: 22
diff changeset
603 spaces[i][j] = 0xAA; /* write a bit pattern */
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jlarmour
parents: 22
diff changeset
604 }
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parents: 22
diff changeset
605 free(spaces[i]);
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
jlarmour
parents: 22
diff changeset
606 } else {
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jlarmour
parents: 22
diff changeset
607 ++statistics.malloc_failures;
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jlarmour
parents: 22
diff changeset
608 }
2
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jlarmour
parents:
diff changeset
609 }
38
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 36
diff changeset
610
24
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jlarmour
parents: 22
diff changeset
611 /* now allocate and then free some fixed-size memory pools; for
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
jlarmour
parents: 22
diff changeset
612 now this is simple-minded because it does not have many threads
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
jlarmour
parents: 22
diff changeset
613 sharing the memory pools and racing for memory. */
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
jlarmour
parents: 22
diff changeset
614 for (i = 0; i < 10; ++i) {
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jlarmour
parents: 22
diff changeset
615 cyg_mempool_fix_create(pool_space[i], 100, (i+1)*3,
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
jlarmour
parents: 22
diff changeset
616 &mempool_handles[i], &mempool_objects[i]);
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jlarmour
parents: 22
diff changeset
617 }
2
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jlarmour
parents:
diff changeset
618
24
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parents: 22
diff changeset
619 for (i = 0; i < 10; ++i) {
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parents: 22
diff changeset
620 spaces[i] = cyg_mempool_fix_try_alloc(mempool_handles[i]);
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parents: 22
diff changeset
621 }
2
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parents:
diff changeset
622
24
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parents: 22
diff changeset
623 for (i = 0; i < 10; ++i) {
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parents: 22
diff changeset
624 if (spaces[i]) {
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parents: 22
diff changeset
625 cyg_mempool_fix_delete(mempool_handles[i]);
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
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parents: 22
diff changeset
626 }
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
627 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
628 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
629
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
630 /* report_alarm_func() is invoked as an alarm handler, so it should be
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
631 quick and simple. in this case it sets a global flag which is
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
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diff changeset
632 checked by main_program. */
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
633 void report_alarm_func(cyg_handle_t alarmH, cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
634 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
635 time_to_report = 1;
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
636 }
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
637
10
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parents: 8
diff changeset
638 #ifdef DEATH_TIME_LIMIT
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
639 /* this sets up death alarms. it gets the handle and alarm from the
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
640 caller, since they must persist for the life of the alarm */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
641 void setup_death_alarm(cyg_addrword_t data, cyg_handle_t *deathHp,
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
642 cyg_alarm *death_alarm_p, int *killed_p)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
643 {
24
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parents: 22
diff changeset
644 cyg_handle_t system_clockH, counterH;
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diff changeset
645 cyg_resolution_t rtc_res;
2
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parents:
diff changeset
646
24
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diff changeset
647 system_clockH = cyg_real_time_clock();
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parents: 22
diff changeset
648 cyg_clock_to_counter(system_clockH, &counterH);
2
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parents:
diff changeset
649
24
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parents: 22
diff changeset
650 cyg_alarm_create(counterH, death_alarm_func,
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diff changeset
651 (cyg_addrword_t) killed_p,
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diff changeset
652 deathHp, death_alarm_p);
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diff changeset
653 rtc_res = cyg_clock_get_resolution(system_clockH);
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parents: 22
diff changeset
654 {
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parents: 22
diff changeset
655 cyg_tick_count_t tick_delay;
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
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diff changeset
656 tick_delay = (long long)
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
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parents: 22
diff changeset
657 ((1000000000.0*rtc_res.divisor)
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST
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diff changeset
658 *((double)DEATH_TIME_LIMIT)/((double)rtc_res.dividend));
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parents: 22
diff changeset
659 if ( cyg_test_is_simulator )
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diff changeset
660 tick_delay /= 10;
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
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parents: 2
diff changeset
661 #ifdef CYGPKG_HAL_I386_LINUX
24
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parents: 22
diff changeset
662 // 20 seconds is a long time compared to the run time of other tests.
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parents: 22
diff changeset
663 // Reduce to 10 seconds, allowing more tests to get run.
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diff changeset
664 tick_delay /= 2;
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
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parents: 2
diff changeset
665 #endif
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parents: 2
diff changeset
666
24
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diff changeset
667 cyg_alarm_initialize(*deathHp, cyg_current_time() + tick_delay, 0);
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diff changeset
668 }
2
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
669 }
10
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diff changeset
670 #endif
2
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diff changeset
671
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
672 /* death_alarm_func() is the alarm handler that kills the current
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
673 thread after a specified timeout. It does so by setting a flag the
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
674 thread is constantly checking. */
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
675 void death_alarm_func(cyg_handle_t alarmH, cyg_addrword_t data)
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
676 {
24
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diff changeset
677 int *killed_p;
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diff changeset
678 killed_p = (int *) data;
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diff changeset
679 *killed_p = 1;
2
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
680 }
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
681
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
682 /* now I write the sc_ versions of the cyg_functions */
62
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parents: 40
diff changeset
683 cyg_addrword_t sc_thread_create(
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
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parents: 2
diff changeset
684 cyg_addrword_t sched_info, /* scheduling info (eg pri) */
2
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parents:
diff changeset
685 cyg_thread_entry_t *entry, /* entry point function */
4
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parents: 2
diff changeset
686 cyg_addrword_t entry_data, /* entry data */
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
687 char *name, /* optional thread name */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
688 void *stack_base, /* stack base, NULL = alloc */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
689 cyg_ucount32 stack_size, /* stack size, 0 = default */
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
690 cyg_handle_t *handle, /* returned thread handle */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
691 cyg_thread *thread /* put thread here */
24
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diff changeset
692 )
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
693 {
24
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parents: 22
diff changeset
694 ++statistics.thread_creations;
62
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jlarmour
parents: 40
diff changeset
695
24
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parents: 22
diff changeset
696 cyg_thread_create(sched_info, entry, entry_data, name,
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jlarmour
parents: 22
diff changeset
697 stack_base, stack_size, handle, thread);
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jlarmour
parents: 22
diff changeset
698
62
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jlarmour
parents: 40
diff changeset
699 return cyg_thread_get_priority(*handle);
2
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
700 }
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
701
10
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jlarmour
parents: 8
diff changeset
702
36
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jlarmour
parents: 28
diff changeset
703 #define MINS_HOUR (60)
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jlarmour
parents: 28
diff changeset
704 #define MINS_DAY (60*24)
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST
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parents: 28
diff changeset
705
10
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jlarmour
parents: 8
diff changeset
706 void print_statistics(int print_full)
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents:
diff changeset
707 {
24
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parents: 22
diff changeset
708 int i;
36
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parents: 28
diff changeset
709 static int stat_dumps = 0;
24
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parents: 22
diff changeset
710 static int print_count = 0;
36
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parents: 28
diff changeset
711 static int shift_count = 0;
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST
jlarmour
parents: 28
diff changeset
712 int minutes;
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST
jlarmour
parents: 28
diff changeset
713
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST
jlarmour
parents: 28
diff changeset
714 stat_dumps++;
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST
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parents: 28
diff changeset
715
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST
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diff changeset
716 // Find number of minutes.
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST
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diff changeset
717 minutes = time_report_delay*stat_dumps / 60;
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diff changeset
718
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diff changeset
719 if (!print_full) {
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diff changeset
720 // Return if time/minutes not integer.
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diff changeset
721 if ((time_report_delay*stat_dumps % 60) != 0)
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diff changeset
722 return;
10
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diff changeset
723
36
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diff changeset
724 // After the first day, only dump stat once per day. Do print
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diff changeset
725 // a . on the hour though.
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diff changeset
726 if ((minutes > MINS_DAY) && ((minutes % MINS_DAY) != 0)) {
40
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diff changeset
727 if ((minutes % MINS_HOUR) == 0) {
36
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diff changeset
728 printf(".");
40
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diff changeset
729 fflush(stdout);
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diff changeset
730 }
36
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diff changeset
731 return;
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diff changeset
732 }
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diff changeset
733
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diff changeset
734 // After the first hour of the first day, only dump stat once
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735 // per hour. Do print . each minute though.
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diff changeset
736 if ((minutes < MINS_DAY) && (minutes > MINS_HOUR)
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diff changeset
737 && ((minutes % MINS_HOUR) != 0)) {
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diff changeset
738 printf(".");
40
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diff changeset
739 fflush(stdout);
36
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diff changeset
740 return;
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diff changeset
741 }
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diff changeset
742 }
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diff changeset
743
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diff changeset
744 printf("\nState dump %d (%d hours, %d minutes) [numbers >>%d]\n",
38
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diff changeset
745 ++print_count, minutes / MINS_HOUR, minutes % MINS_HOUR,
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diff changeset
746 shift_count);
2
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diff changeset
747
24
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diff changeset
748 cyg_mutex_lock(&statistics_print_lock); {
36
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diff changeset
749 //--------------------------------
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diff changeset
750 // Information private to this test:
24
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diff changeset
751 printf(" Handler-invocations: ");
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diff changeset
752 for (i = 0; i < MAX_HANDLERS; ++i) {
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diff changeset
753 printf("%4lu ", statistics.handler_invocation_histogram[i]);
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diff changeset
754 }
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diff changeset
755 printf("\n");
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diff changeset
756 printf(" malloc()-tries/failures: -- %7lu %7lu\n",
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diff changeset
757 statistics.malloc_tries, statistics.malloc_failures);
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diff changeset
758 printf(" client_makes_request: %d\n", client_makes_request);
36
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diff changeset
759
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diff changeset
760 // Check for big numbers and reduce if getting close to overflow
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diff changeset
761 if (statistics.malloc_tries > 0x40000000) {
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diff changeset
762 shift_count++;
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diff changeset
763 for (i = 0; i < MAX_HANDLERS; ++i) {
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diff changeset
764 statistics.handler_invocation_histogram[i] >>= 1;
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diff changeset
765 }
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diff changeset
766 statistics.malloc_tries >>= 1;
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diff changeset
767 statistics.malloc_failures >>= 1;
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diff changeset
768 }
38
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diff changeset
769 } cyg_mutex_unlock(&statistics_print_lock);
36
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diff changeset
770
115
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diff changeset
771 #if CYGINT_ISO_MALLINFO
38
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diff changeset
772 //--------------------------------
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diff changeset
773 // System information
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diff changeset
774 {
115
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diff changeset
775 struct mallinfo mem_info;
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diff changeset
776
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diff changeset
777 mem_info = mallinfo();
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diff changeset
778
38
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
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diff changeset
779 printf(" Memory system: Total=0x%08x Free=0x%08x Max=0x%08x\n",
115
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diff changeset
780 mem_info.arena, mem_info.fordblks, mem_info.maxfree);
38
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diff changeset
781 }
115
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diff changeset
782 #endif
24
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diff changeset
783
36
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diff changeset
784 // Dump stack status
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diff changeset
785 printf(" Stack usage:\n");
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diff changeset
786 cyg_test_dump_interrupt_stack_stats( " Interrupt" );
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parents: 28
diff changeset
787 cyg_test_dump_idlethread_stack_stats( " Idle" );
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diff changeset
788
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diff changeset
789 cyg_test_dump_stack_stats(" Main", main_stack,
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diff changeset
790 main_stack + sizeof(main_stack));
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diff changeset
791 for (i = 0; i < MAX_HANDLERS; i++) {
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diff changeset
792 cyg_test_dump_stack_stats(" Handler", handler_stack[i],
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diff changeset
793 handler_stack[i] + sizeof(handler_stack[i]));
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diff changeset
794 }
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diff changeset
795 for (i = 0; i < N_LISTENERS; i++) {
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diff changeset
796 cyg_test_dump_stack_stats(" Listener", listener_stack[i],
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diff changeset
797 listener_stack[i] + sizeof(listener_stack[i]));
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diff changeset
798 }
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diff changeset
799 for (i = 0; i < N_CLIENTS; i++) {
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diff changeset
800 cyg_test_dump_stack_stats(" Client", client_stack[i],
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diff changeset
801 client_stack[i] + sizeof(client_stack[i]));
2
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diff changeset
802 }
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parents:
diff changeset
803 }
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
804
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
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parents: 2
diff changeset
805 #else /* (CYGNUM_KERNEL_SCHED_PRIORITIES >= */
24
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diff changeset
806 /* (N_MAIN+N_CLIENTS+N_LISTENERS+MAX_HANDLERS)) */
4
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST
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parents: 2
diff changeset
807 #define N_A_MSG "not enough priorities available"
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parents: 2
diff changeset
808 #endif /* (CYGNUM_KERNEL_SCHED_PRIORITIES >= */
24
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diff changeset
809 /* (N_MAIN+N_CLIENTS+N_LISTENERS+MAX_HANDLERS)) */
4
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parents: 2
diff changeset
810
115
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diff changeset
811 #else /* CYGINT_ISO_MALLOC */
2
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diff changeset
812 # define N_A_MSG "this test needs malloc"
115
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diff changeset
813 #endif /* CYGINT_ISO_MALLOC */
2
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diff changeset
814
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diff changeset
815 #else /* CYGFUN_KERNEL_THREADS_TIMER */
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diff changeset
816 # define N_A_MSG "this test needs kernel threads timer"
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diff changeset
817 #endif /* CYGFUN_KERNEL_THREADS_TIMER */
443894e2e912 Block commit of eCos version 1.2.1
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parents:
diff changeset
818
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diff changeset
819 #else /* CYGPKG_LIBM */
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diff changeset
820 # define N_A_MSG "this test needs libm"
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diff changeset
821 #endif /* CYGPKG_LIBM */
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diff changeset
822
115
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diff changeset
823 #else /* CYGINT_ISO_STDIO_FORMATTED_IO */
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diff changeset
824 # define N_A_MSG "this test needs stdio formatted I/O"
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diff changeset
825 #endif /* CYGINT_ISO_STDIO_FORMATTED_IO */
2
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diff changeset
826
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diff changeset
827 #else // def CYGFUN_KERNEL_API_C
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diff changeset
828 # define N_A_MSG "this test needs Kernel C API"
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diff changeset
829 #endif
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diff changeset
830
115
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diff changeset
831 #else // def CYGPKG_KERNEL && CYGPKG_IO && CYGPKG_ISOINFRA
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diff changeset
832 # define N_A_MSG "this tests needs Kernel, isoinfra and IO"
2
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diff changeset
833 #endif
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diff changeset
834
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diff changeset
835 #ifdef N_A_MSG
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diff changeset
836 externC void
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diff changeset
837 cyg_start( void )
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diff changeset
838 {
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diff changeset
839 CYG_TEST_INIT();
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diff changeset
840 CYG_TEST_NA( N_A_MSG);
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diff changeset
841 }
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diff changeset
842 #endif // N_A_MSG