Specify aux thread granularity in jiffies

1 files changed, 8 insertions, 4 deletions

diff --git a/litmus/aux_tasks.c b/litmus/aux_tasks.c
index e5f3c82d32e9..20f477f6e3bc 100755
--- a/litmus/aux_tasks.c
+++ b/litmus/aux_tasks.c
@@ -6,12 +6,16 @@
 #include <litmus/rt_param.h>
 #include <litmus/aux_tasks.h>
 
+#include <linux/time.h>
+
+#define AUX_SLICE_NR_JIFFIES 1
+#define AUX_SLICE_NS ((NSEC_PER_SEC / HZ) * AUX_SLICE_NR_JIFFIES)
+
 static int admit_aux_task(struct task_struct *t)
 {
         int retval = 0;
         struct task_struct *leader = t->group_leader;
 
-
         /* budget enforcement increments job numbers.  job numbers are used in
          * tie-breaking of aux_tasks.  method helps ensure:
          * 1) aux threads with no inherited priority can starve another (they share
@@ -23,9 +27,9 @@ static int admit_aux_task(struct task_struct *t)
          * fail-safe.
          */
         struct rt_task tp = {
-                .period = 1000000,   /* 1ms */
-                .relative_deadline = 1000000,
-                .exec_cost = 1000000, /* allow full utilization with buget tracking */
+                .period = AUX_SLICE_NS,
+                .relative_deadline = AUX_SLICE_NS,
+                .exec_cost = AUX_SLICE_NS, /* allow full utilization with buget tracking */
                 .phase = 0,
                 .cpu = task_cpu(leader),  /* take CPU of group leader */
                 .budget_policy = QUANTUM_ENFORCEMENT,