avoid inconsistencies in the task parameters

Floating point conversions introduce rounding errors.
Fix-up the total execution cost as the sum of individual budgets.

1 files changed, 9 insertions, 3 deletions

diff --git a/bin/common.c b/bin/common.c
index 9cb577b..b43ebf3 100644
--- a/bin/common.c
+++ b/bin/common.c
@@ -37,12 +37,16 @@ void bail_out(const char* msg)
  * <task_id, cpu, deadline (from job release), budget, offset> .
  */
 int parse_edfwm_slice(FILE *ts, int slices_no, int task_id,
-                struct edf_wm_params *wm)
+                      struct rt_task *rt)
 {
         int i, tid;
         unsigned int cpu;
         double deadline, budget, offset;
 
+        lt_t total_budget = 0;
+
+        struct edf_wm_params* wm = (struct edf_wm_params*) &rt->semi_part;
+
         for (i = 0; i < slices_no; i++) {
 
                 if (fscanf(ts, "%d %u %lf %lf %lf\n", &tid, &cpu,
@@ -62,6 +66,8 @@ int parse_edfwm_slice(FILE *ts, int slices_no, int task_id,
                         printf("slice(tid, cpu, d, e, ph) = (%d, %u, %llu, %llu, %llu)\n",
                                         tid, cpu, wm->slices[i].deadline,
                                         wm->slices[i].budget, wm->slices[i].offset);
+
+                        total_budget += wm->slices[i].budget;
                 }
 
                 if (ferror(ts)) {
@@ -70,6 +76,7 @@ int parse_edfwm_slice(FILE *ts, int slices_no, int task_id,
                 }
         }
         wm->count = slices_no;
+        rt->exec_cost = total_budget;
         printf("--- total %u slices ---\n", wm->count);
         return 0;
 }
@@ -101,8 +108,7 @@ int parse_edfwm_ts_file(FILE *ts, struct rt_task *rt)
                         task_id, rt->exec_cost, rt->period, rt->phase, cpu, sliceno);
         if (sliceno > 0) {
                 memset(&rt->semi_part, 0, sizeof(struct edf_wm_params));
-                ret = parse_edfwm_slice(ts, sliceno, task_id,
-                                (struct edf_wm_params*) &rt->semi_part);
+                ret = parse_edfwm_slice(ts, sliceno, task_id, rt);
                 if (ret < 0)
                         goto err;
         }