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 | * ãLì ÒÍCȺÌ(1)`(4)Ìðð½·êÉÀèC{\tgEF
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11 | * Ai{\tgEFAðüϵ½àÌðÜÞDȺ¯¶jðgpE¡»Eü
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12 | * ÏEÄzziȺCpÆÄÔj·é±Æð³Åø·éD
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13 | * (1) {\tgEFAð\[XR[hÌ`Åp·éêÉÍCãLÌì
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14 | * \¦C±Ìpð¨æѺL̳ÛØKèªC»ÌÜÜÌ`Å\[
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15 | * XR[hÉÜÜêÄ¢é±ÆD
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16 | * (2) {\tgEFAðCCu`®ÈÇC¼Ì\tgEFAJÉg
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17 | * pÅ«é`ÅÄzz·éêÉÍCÄzzɺ¤hL
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18 | gip
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19 | * Ò}j
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20 | AÈÇjÉCãLÌì \¦C±Ìpð¨æѺL
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21 | * ̳ÛØKèðfÚ·é±ÆD
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22 | * (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
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23 | * pÅ«È¢`ÅÄzz·éêÉÍCÌ¢¸ê©Ìðð½·±
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24 | * ÆD
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25 | * (a) Äzzɺ¤hL
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26 | gipÒ}j
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27 | AÈÇjÉCãLÌ
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28 | * ì \¦C±Ìpð¨æѺL̳ÛØKèðfÚ·é±ÆD
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29 | * (b) ÄzzÌ`ÔðCÊÉèßéû@ÉæÁÄCTOPPERSvWFNgÉ
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30 | * ñ·é±ÆD
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31 | * (4) {\tgEFAÌpÉæè¼ÚIܽÍÔÚIɶ¶é¢©Èé¹
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32 | * Q©çàCãLì Ò¨æÑTOPPERSvWFNgðÆÓ·é±ÆD
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33 | * ܽC{\tgEFAÌ[UܽÍGh[U©çÌ¢©Èé
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34 | * RÉîÿ©çàCãLì Ò¨æÑTOPPERSvWFNgð
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35 | * ÆÓ·é±ÆD
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36 | *
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37 | * {\tgEFAÍC³ÛØÅñ³êÄ¢éàÌÅ éDãLì Ò¨
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38 | * æÑTOPPERSvWFNgÍC{\tgEFAÉÖµÄCÁèÌgpÚI
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39 | * ÉηéK«àÜßÄC¢©ÈéÛØàsíÈ¢DܽC{\tgEF
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40 | * AÌpÉæè¼ÚIܽÍÔÚIɶ¶½¢©Èé¹QÉÖµÄàC»
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41 | * ÌÓCðíÈ¢D
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42 | *
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43 | * $Id: test_utm1.c 1860 2010-07-25 07:36:40Z ertl-hiro $
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44 | */
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45 |
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46 | /*
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47 | * get_utmÉÖ·éeXg(1)
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48 | */
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49 |
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50 | #include <kernel.h>
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51 | #include <test_lib.h>
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52 | #include <t_syslog.h>
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53 | #include "kernel_cfg.h"
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54 | #include "test_utm1.h"
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55 |
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56 | #define NO_LOOP ULONG_C(100000)
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57 |
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58 | SYSUTM recent_sysutm;
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59 | char *recent_sysutm_pos;
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60 | uint_t cyclic_count;
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61 |
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62 | void
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63 | cyclic_handler(intptr_t exinf)
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64 | {
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65 | SYSUTM sysutm, prev_sysutm;
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66 | char *prev_sysutm_pos;
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67 |
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68 | iloc_cpu();
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69 | get_utm(&sysutm);
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70 | prev_sysutm = recent_sysutm;
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71 | prev_sysutm_pos = recent_sysutm_pos;
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72 | recent_sysutm = sysutm;
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73 | recent_sysutm_pos = "CYC";
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74 | iunl_cpu();
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75 |
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76 | if (prev_sysutm > sysutm) {
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77 | syslog(LOG_NOTICE,
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78 | "system performance time goes back: %ld(%s) %ld(CYC)",
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79 | ((long_t) prev_sysutm), prev_sysutm_pos, ((ulong_t) sysutm));
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80 | }
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81 | cyclic_count += 1;
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82 | }
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83 |
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84 | void
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85 | main_task(intptr_t exinf)
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86 | {
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87 | SYSUTM sysutm, prev_sysutm;
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88 | char *prev_sysutm_pos;
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89 | ulong_t i;
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90 |
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91 | cyclic_count = 0U;
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92 | get_utm(&recent_sysutm);
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93 | syslog(LOG_NOTICE, "system performance time test starts.");
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94 |
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95 | for (i = 0; i < NO_LOOP; i++) {
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96 | loc_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 = "TSK";
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102 | unl_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(TSK)",
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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 | }
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110 |
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111 | syslog(LOG_NOTICE, "system performance time test finishes.");
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112 | syslog(LOG_NOTICE, "number of cyclic handler execution: %d", cyclic_count);
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113 | test_finish();
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114 | }
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