| 181,6 → 181,7 |
|---|
| |
| ext_bandwidth_t Umin; // minimum utilization |
| ext_bandwidth_t Umax; // nominal (maximum) utilization of compressable tasks |
| unsigned int temp; |
| |
| ext_bandwidth_t Uf; // amount of non-compressable utilization |
| int Ev; // sum of elasticity among compressable tasks |
| 260,9 → 261,8 |
|---|
| if (et->flags & ELASTIC_PRESENT) { |
| if (et->U != et->oldU) { |
| /* Utilization has been changed. Compute new period */ |
| // overflow here??? |
| //et->T = ((long long)et->C * (long long)lev->c_scaling_factor * (long long)MAX_BANDWIDTH) / (et->U * (long long)SCALING_UNIT); |
| et->T = ((long long)et->C * (long long)MAX_BANDWIDTH) / (long long)et->U; |
| temp = (long long)et->C * (long long)MAX_BANDWIDTH / et->U; |
| mul32div32to32(temp,lev->c_scaling_factor,SCALING_UNIT,et->T); |
| } |
| if (et->U < et->oldU) { |
| /* Task has been compressed. Change its deadline NOW! */ |
| 326,6 → 326,7 |
|---|
| ELASTIC_level_des *lev = (ELASTIC_level_des *)(level_table[l]); |
| ELASTIC_TASK_MODEL *elastic = (ELASTIC_TASK_MODEL *)m; |
| ELASTIC_task_descr *et = &lev->elist[p]; |
| unsigned int temp; |
| |
| if (m->pclass != ELASTIC_PCLASS) return -1; |
| if (m->level != 0 && m->level != l) return -1; |
| 342,13 → 343,10 |
|---|
| et->E = elastic->E; |
| et->beta = elastic->beta; |
| |
| // overflow here??? |
| //et->Umax = ((long long)MAX_BANDWIDTH * (long long)elastic->C * (long long)lev->c_scaling_factor) / ((long long)elastic->Tmin * (long long)SCALING_UNIT); |
| //et->Umin = ((long long)MAX_BANDWIDTH * (long long)elastic->C * (long long)lev->c_scaling_factor) / ((long long)elastic->Tmax * (long long)SCALING_UNIT); |
| mul32div32to32(elastic->C,lev->c_scaling_factor,SCALING_UNIT,temp); |
| et->Umax = ((long long)MAX_BANDWIDTH * (long long)temp) / (long long)elastic->Tmin; |
| et->Umin = ((long long)MAX_BANDWIDTH * (long long)temp) / (long long)elastic->Tmax; |
| |
| et->Umax = ((long long)MAX_BANDWIDTH * (long long)elastic->C) / (long long)elastic->Tmin; |
| et->Umin = ((long long)MAX_BANDWIDTH * (long long)elastic->C) / (long long)elastic->Tmax; |
| |
| et->U = et->Umax; |
| et->oldU = 0; |
| et->T = et->Tmin; |
| 565,7 → 563,8 |
|---|
| int ELASTIC_set_period(PID p, TIME period) { |
| |
| SYS_FLAGS f; |
| int saveE; |
| int saveE; |
| unsigned int temp; |
| ext_bandwidth_t saveU; |
| |
| f = kern_fsave(); |
| 578,7 → 577,8 |
|---|
| saveU = et->U; |
| |
| et->E = 0; /* set elasticity to zero to force period */ |
| et->U = ((long long)MAX_BANDWIDTH * (long long)et->C * (long long)lev->c_scaling_factor)/((long long)period * (long long)SCALING_UNIT); |
| mul32div32to32(et->C,lev->c_scaling_factor,SCALING_UNIT,temp); |
| et->U = ((long long)MAX_BANDWIDTH * (long long)(temp))/((long long)period); |
| |
| if (ELASTIC_compress(lev) == -1) { |
| #ifdef ELASTIC_DEBUG |