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1093 | pj | 1 | #include <stdio.h> |
2 | #include <string.h> |
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3 | #include <fcntl.h> |
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4 | #include <unistd.h> |
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5 | |||
6 | #include "types.h" |
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7 | #include <trace.h> |
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8 | #include <types.h> |
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9 | |||
10 | static char *names[]={ |
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11 | "reserved", |
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12 | "hoops", |
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13 | /*--*/ |
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14 | "create", |
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15 | "activate", |
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16 | "schedule", |
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17 | "delay", |
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18 | "sleep", |
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19 | "endcycle", |
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20 | "destroy", |
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21 | "intactiv", |
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22 | /*--*/ |
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23 | "user0", |
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24 | "user1", |
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25 | "user2", |
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26 | "user3", |
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27 | "user4", |
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28 | "user5", |
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29 | "user6", |
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30 | "user7", |
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31 | /*--*/ |
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32 | "wait", |
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33 | "waitnb", |
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34 | "signal" |
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35 | }; |
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36 | |||
37 | int classtable[TRC_NUMCLASSES+1]={ |
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38 | TRC_F_TRACER, |
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39 | TRC_F_SYSTEM, |
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40 | TRC_F_USER, |
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41 | TRC_F_SEM, |
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42 | TRC_F_LAST |
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43 | }; |
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44 | |||
45 | int event_class(int ev) |
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46 | { |
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47 | int i; |
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48 | if (ev<0||ev>=TRC_NUMEVENTS) return -1; |
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49 | for (i=0;i<TRC_NUMCLASSES;i++) |
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50 | if (ev>=classtable[i]&&ev<classtable[i+1]) return i; |
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51 | return -1; |
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52 | } |
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53 | |||
54 | char *event_name(int ev) |
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55 | { |
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56 | if (ev<0||ev>=TRC_NUMEVENTS) return "unknown"; |
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57 | return names[ev]; |
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58 | } |
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59 | |||
60 | char *event_hexdump(u_int8_t *ptr,int maxsize) |
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61 | { |
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62 | static char buffer[256]; |
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63 | int i; |
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64 | for (i=0;i<maxsize;i++) sprintf(buffer+i*2,"%02x",*(ptr+i)); |
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65 | buffer[maxsize*2]='\0'; |
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66 | return buffer; |
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67 | } |
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68 | |||
69 | char *event_strdump(u_int8_t *ptr, int maxsize) |
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70 | { |
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71 | static char buffer[256]; |
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72 | memcpy(buffer,ptr,maxsize); |
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73 | buffer[maxsize]='\0'; |
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74 | return buffer; |
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75 | } |
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76 | |||
77 | |||
78 | char *format_time(long time) |
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79 | { |
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80 | static char buffer[256]; |
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81 | |||
82 | if (time<1000l) { |
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83 | sprintf(buffer,"%li",time); |
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84 | return buffer; |
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85 | } |
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86 | if (time<1000000l) { |
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87 | sprintf(buffer,"%li,%03li",time/1000l,time%1000l); |
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88 | return buffer; |
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89 | } |
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90 | sprintf(buffer,"%li,%03li,%03li", |
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91 | (time/1000000l), |
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92 | (time%1000000l)/1000l, |
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93 | time%1000l); |
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94 | return buffer; |
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95 | } |
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96 | |||
97 | #ifndef O_BINARY |
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98 | #define O_BINARY 0 |
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99 | #endif |
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100 | |||
101 | int read_trace(char *filename,int (*func)(trc_event_t *)) |
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102 | { |
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103 | trc_event_t buffer; |
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104 | int fin; |
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105 | int res; |
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106 | |||
107 | fin=open(filename,O_RDONLY|O_BINARY); |
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108 | if (fin==-1) return -1; |
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109 | for (;;) { |
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110 | res=read(fin,&buffer,sizeof(trc_event_t)); |
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111 | if (res!=sizeof(trc_event_t)) { |
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112 | close(fin); |
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113 | return res==0?0:-2; |
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114 | } |
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115 | res=(*func)(&buffer); |
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116 | if (res!=0) { |
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117 | close(fin); |
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118 | return res; |
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119 | } |
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120 | } |
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121 | close(fin); |
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122 | return 0; |
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123 | } |