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Rev | Author | Line No. | Line |
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1254 | giacomo | 1 | #include "func.h" |
1259 | pj | 2 | #include "calibrate.h" |
1298 | giacomo | 3 | #include <tracer.h> |
1254 | giacomo | 4 | |
5 | extern int cal_cycles; |
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6 | extern struct timespec zero_time; |
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7 | extern struct loader_task loader_task_list[]; |
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8 | extern struct loader_contract loader_contract_list[]; |
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9 | extern int total_loader_task; |
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10 | extern int total_loader_contract; |
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11 | |||
1266 | giacomo | 12 | /* Runtime Calibration */ |
1254 | giacomo | 13 | int calibrate_cycle() |
14 | { |
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15 | long long i; |
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16 | struct timespec start,end,diff; |
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17 | |||
1255 | giacomo | 18 | if (cal_cycles != 0) return 0; |
1254 | giacomo | 19 | |
20 | kern_cli(); |
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1303 | giacomo | 21 | __asm__ __volatile__ ("xorl %%eax,%%eax\n\t" |
22 | "cpuid\n\t" |
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23 | :::"eax","ebx","ecx","edx"); |
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1254 | giacomo | 24 | kern_gettime(&start); |
25 | for (i=0;i<CALIBRATION_DELTA;i++) |
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26 | __asm__ __volatile__ ("xorl %%eax,%%eax\n\t" |
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27 | "cpuid\n\t" |
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28 | :::"eax","ebx","ecx","edx"); |
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1303 | giacomo | 29 | __asm__ __volatile__ ("xorl %%eax,%%eax\n\t" |
30 | "cpuid\n\t" |
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31 | :::"eax","ebx","ecx","edx"); |
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1254 | giacomo | 32 | kern_gettime(&end); |
33 | kern_sti(); |
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34 | |||
35 | SUBTIMESPEC(&end,&start,&diff); |
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36 | cal_cycles = TIMESPEC2USEC(&diff); |
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37 | cprintf("Calibration usec/[%d cycles] = %d\n",CALIBRATION_DELTA,cal_cycles); |
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38 | |||
39 | return 0; |
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40 | |||
41 | } |
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42 | |||
43 | int get_server_from_contract(int contract) |
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44 | { |
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45 | |||
46 | int i; |
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47 | |||
48 | for(i=0;i<total_loader_contract;i++) |
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49 | if (loader_contract_list[i].number == contract) |
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50 | return loader_contract_list[i].server; |
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51 | |||
52 | return -1; |
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53 | |||
54 | } |
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55 | |||
56 | void *get_task_model(struct loader_task *current) { |
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57 | if (current->local_scheduler == PAR_POSIX) { |
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58 | static NRT_TASK_MODEL nrt; |
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59 | |||
60 | nrt_task_default_model(nrt); |
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61 | nrt_task_def_save_arrivals(nrt); |
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62 | nrt_task_def_ctrl_jet(nrt); |
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63 | nrt_task_def_group(nrt,current->group); |
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64 | nrt_task_def_usemath(nrt); |
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65 | |||
66 | return &nrt; |
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67 | |||
68 | } |
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69 | |||
70 | if (current->local_scheduler == PAR_EDF) { |
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71 | static HARD_TASK_MODEL ht; |
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72 | |||
73 | hard_task_default_model(ht); |
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74 | hard_task_def_ctrl_jet(ht); |
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75 | hard_task_def_mit(ht,TIMESPEC2USEC(¤t->deadline)); |
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76 | hard_task_def_wcet(ht,TIMESPEC2USEC(¤t->wcet)); |
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77 | hard_task_def_group(ht,current->group); |
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1265 | giacomo | 78 | hard_task_def_aperiodic(ht); |
1254 | giacomo | 79 | hard_task_def_usemath(ht); |
80 | return &ht; |
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81 | } |
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82 | |||
83 | |||
84 | if (current->local_scheduler == PAR_RM) { |
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85 | static HARD_TASK_MODEL ht; |
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86 | |||
87 | hard_task_default_model(ht); |
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88 | hard_task_def_mit(ht,TIMESPEC2USEC(¤t->deadline)); |
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89 | hard_task_def_wcet(ht,TIMESPEC2USEC(¤t->wcet)); |
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90 | hard_task_def_ctrl_jet(ht); |
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91 | hard_task_def_group(ht,current->group); |
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92 | hard_task_def_usemath(ht); |
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93 | return &ht; |
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94 | } |
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95 | |||
96 | return NULL; |
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97 | |||
1298 | giacomo | 98 | } |
1254 | giacomo | 99 | |
1298 | giacomo | 100 | TASK finish_task() { |
101 | |||
1303 | giacomo | 102 | extern __volatile__ unsigned int TracerEventsPresent; |
1298 | giacomo | 103 | unsigned int k; |
104 | |||
105 | SYS_FLAGS f; |
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106 | |||
1303 | giacomo | 107 | tracer_init_udp(1,"192.168.1.10","192.168.1.1"); |
1298 | giacomo | 108 | |
109 | tracer_create_udp_task(NULL,80); |
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110 | |||
111 | f = kern_fsave(); |
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112 | k = TracerEventsPresent; |
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113 | kern_frestore(f); |
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114 | while(k > 0) { |
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115 | f = kern_fsave(); |
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1303 | giacomo | 116 | printf_xy(0,5,WHITE,"REM = %08d",k); |
1298 | giacomo | 117 | k = TracerEventsPresent; |
118 | kern_frestore(f); |
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119 | } |
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120 | |||
121 | tracer_flush_sent_events(); |
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122 | |||
123 | sys_end(); |
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124 | |||
125 | return NULL; |
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126 | |||
127 | } |
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128 | |||
129 | void end_simulation() { |
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130 | |||
131 | int i; |
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132 | struct loader_task *l = loader_task_list; |
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133 | |||
134 | NRT_TASK_MODEL nrt; |
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135 | |||
136 | TRACER_LOGEVENT(FTrace_EVT_trace_stop,0,0,0); |
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137 | |||
138 | tracer_disable(); |
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139 | |||
140 | i = 0; |
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141 | while (i < total_loader_task) { |
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142 | |||
143 | group_kill(l->group); |
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144 | |||
145 | i++; |
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146 | l=&loader_task_list[i]; |
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147 | |||
148 | } |
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149 | |||
150 | nrt_task_default_model(nrt); |
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151 | |||
152 | task_activate(task_create("Finish",finish_task,&nrt,NULL)); |
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153 | |||
154 | } |
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155 | |||
1254 | giacomo | 156 | void set_simulation_time (struct timespec *total) { |
157 | struct timespec end_time; |
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158 | |||
159 | ADDTIMESPEC(&zero_time,total,&end_time); |
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1298 | giacomo | 160 | kern_event_post(&end_time,(void *)((void *)(end_simulation)),NULL); |
1254 | giacomo | 161 | |
1298 | giacomo | 162 | } |
1254 | giacomo | 163 | |
1266 | giacomo | 164 | /* Set the zero_time and post the first activation event */ |
1254 | giacomo | 165 | void start_simulation() { |
166 | |||
167 | int i; |
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168 | struct loader_task *l = loader_task_list; |
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169 | struct timespec end_time; |
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170 | |||
171 | i = 0; |
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172 | |||
1298 | giacomo | 173 | tracer_initialize(10000000); |
174 | |||
175 | tracer_enable(); |
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176 | |||
177 | TRACER_LOGEVENT(FTrace_EVT_trace_start,0,0,0); |
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178 | |||
1254 | giacomo | 179 | kern_gettime(&zero_time); |
180 | |||
181 | while (i < total_loader_task) { |
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182 | |||
183 | if (l->act_number > 0) { |
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184 | ADDTIMESPEC(&zero_time, &l->act[0], &end_time); |
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185 | l->act_current++; |
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186 | kern_event_post(&end_time,(void *)((void *)(loader_task_activate)),l); |
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187 | } |
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188 | |||
189 | i++; |
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190 | l=&loader_task_list[i]; |
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191 | |||
192 | } |
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193 | |||
194 | } |
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195 | |||
1266 | giacomo | 196 | /* Activate task and post the new activation event */ |
1254 | giacomo | 197 | void loader_task_activate(struct loader_task *l) { |
198 | |||
199 | struct timespec actual_time,end_time; |
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200 | |||
201 | kern_gettime(&actual_time); |
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202 | group_activate(l->group); |
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203 | |||
204 | if (l->act_number > l->act_current) { |
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205 | |||
206 | ADDTIMESPEC(&actual_time, &l->act[l->act_current], &end_time); |
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207 | |||
208 | l->act_current++; |
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209 | kern_event_post(&end_time,(void *)((void *)(loader_task_activate)),l); |
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210 | |||
211 | } |
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212 | |||
213 | } |