1 | /*
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2 | * TOPPERS Software
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3 | * Toyohashi Open Platform for Embedded Real-Time Systems
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4 | *
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5 | * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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6 | * Toyohashi Univ. of Technology, JAPAN
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7 | * Copyright (C) 2007-2010 by Embedded and Real-Time Systems Laboratory
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8 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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9 | *
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10 | * ä¸è¨èä½æ¨©è
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11 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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12 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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13 | * å¤ã»åé
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14 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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16 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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19 | * ç¨ã§ããå½¢ã§åé
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20 | å¸ããå ´åã«ã¯ï¼åé
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21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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22 | * è
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23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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26 | * ç¨ã§ããªãå½¢ã§åé
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27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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28 | * ã¨ï¼
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29 | * (a) åé
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30 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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31 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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32 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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33 | * (b) åé
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34 | å¸ã®å½¢æ
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35 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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36 | * å ±åãããã¨ï¼
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37 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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38 | * 害ãããï¼ä¸è¨èä½æ¨©è
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39 | ããã³TOPPERSããã¸ã§ã¯ããå
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40 | 責ãããã¨ï¼
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41 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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42 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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43 | ããã³TOPPERSããã¸ã§ã¯ãã
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44 | * å
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45 | 責ãããã¨ï¼
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46 | *
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47 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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48 | ã
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49 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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50 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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51 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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52 | * ã®è²¬ä»»ãè² ããªãï¼
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53 | *
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54 | * $Id: test_utm1.c 2305 2012-01-29 11:51:08Z ertl-hiro $
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55 | */
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56 |
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57 | /*
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58 | * get_utmã«é¢ãããã¹ã(1)
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59 | *
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60 | * ããã¹ãã®ç®çã
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61 | *
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62 | * æ§è½è©ä¾¡ç¨ã·ã¹ãã æå»ãéè¡ãããã¨ããªããã¨ããã¹ãããï¼
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63 | *
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64 | * ããã¹ãã®å
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65 | 容ã
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66 | *
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67 | * ã¡ã¤ã³ã¿ã¹ã¯ã§ã¯ï¼æ§è½è©ä¾¡ç¨ã·ã¹ãã æå»ãç¹°ãè¿ãåå¾ãï¼æå»ãå°
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68 | * ãããªããªããããã§ãã¯ããï¼ããã¨ä¸¦è¡ãã¦ï¼å¨æãã³ãã©ã1ããªç§
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69 | * å¨æã§å®è¡ãï¼ãã®ä¸ã§ãæ§è½è©ä¾¡ç¨ã·ã¹ãã æå»ãåå¾ãã¦ï¼æå»ãå°
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70 | * ãããªããªããããã§ãã¯ããï¼
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71 | *
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72 | * ãªãï¼æ§è½è©ä¾¡ç¨ã·ã¹ãã æå»ãæ大å¤ãè¶
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73 | ãã¦0ã«æ»ãç¶æ³ã¯èæ
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74 | ®ãã¦ã
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75 | * ãªãï¼
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76 | */
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77 |
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78 | #include <kernel.h>
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79 | #include <test_lib.h>
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80 | #include <t_syslog.h>
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81 | #include "kernel_cfg.h"
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82 | #include "test_utm1.h"
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83 |
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84 | #define NO_LOOP ULONG_C(100000)
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85 |
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86 | SYSUTM recent_sysutm;
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87 | char *recent_sysutm_pos;
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88 | uint_t cyclic_count;
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89 |
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90 | void
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91 | cyclic_handler(intptr_t exinf)
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92 | {
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93 | SYSUTM sysutm, prev_sysutm;
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94 | char *prev_sysutm_pos;
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95 |
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96 | iloc_cpu();
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97 | get_utm(&sysutm);
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98 | prev_sysutm = recent_sysutm;
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99 | prev_sysutm_pos = recent_sysutm_pos;
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100 | recent_sysutm = sysutm;
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101 | recent_sysutm_pos = "CYC";
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102 | iunl_cpu();
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103 |
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104 | if (prev_sysutm > sysutm) {
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105 | syslog(LOG_NOTICE,
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106 | "system performance time goes back: %ld(%s) %ld(CYC)",
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107 | ((long_t) prev_sysutm), prev_sysutm_pos, ((ulong_t) sysutm));
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108 | }
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109 | cyclic_count += 1;
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110 | }
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111 |
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112 | void
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113 | main_task(intptr_t exinf)
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114 | {
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115 | SYSUTM sysutm, prev_sysutm;
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116 | char *prev_sysutm_pos;
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117 | ulong_t i;
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118 |
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119 | cyclic_count = 0U;
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120 | get_utm(&recent_sysutm);
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121 | syslog(LOG_NOTICE, "system performance time test starts.");
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122 |
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123 | for (i = 0; i < NO_LOOP; i++) {
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124 | loc_cpu();
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125 | get_utm(&sysutm);
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126 | prev_sysutm = recent_sysutm;
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127 | prev_sysutm_pos = recent_sysutm_pos;
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128 | recent_sysutm = sysutm;
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129 | recent_sysutm_pos = "TSK";
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130 | unl_cpu();
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131 |
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132 | if (prev_sysutm > sysutm) {
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133 | syslog(LOG_NOTICE,
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134 | "system performance time goes back: %ld(%s) %ld(TSK)",
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135 | ((long_t) prev_sysutm), prev_sysutm_pos, ((ulong_t) sysutm));
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136 | }
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137 | }
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138 |
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139 | syslog(LOG_NOTICE, "system performance time test finishes.");
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140 | syslog(LOG_NOTICE, "number of cyclic handler execution: %d", cyclic_count);
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141 | test_finish();
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142 | }
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