# HG changeset patch
# User George Dunlap <gdunlap@xensource.com>
# Date 1256058955 -3600
# Node ID f34462422a948d482138bbba5f7f5536caea6d82
# Parent  31f36108fc43a77da1e24901924206b4e775b4ae
c02: Add time-for-equal-credit

diff -r 31f36108fc43 -r f34462422a94 sched_credit02.c
--- a/sched_credit02.c	Tue Oct 20 18:14:37 2009 +0100
+++ b/sched_credit02.c	Tue Oct 20 18:15:55 2009 +0100
@@ -12,7 +12,7 @@
 #define CREDIT_INIT  500
 #define CREDIT_RESET 0
 #define MAX_TIMER 200
-#define MIN_TIMER 100
+#define MIN_TIMER 50
 
 struct sched_vm {
     struct list_head runq_elem;
@@ -72,18 +72,17 @@ static int calc_timer(struct sched_vm *s
 
     if ( time > svm->credit )
         time = svm->credit;
-#if 0
+
     if ( !list_empty(&sched_priv.runq) )
     {
         struct sched_vm *sq = list_entry(sched_priv.runq.next, struct sched_vm, runq_elem);
 
         ASSERT(svm->credit >= sq->credit);
 
-        if ( (svm->credit - sq->credit) < time )
+        if ( time > (svm->credit - sq->credit) )
             time = (svm->credit - sq->credit);
     }
 
-#endif
 
     if ( time < MIN_TIMER )
         time = MIN_TIMER;
@@ -266,7 +265,7 @@ static struct vm* sched_credit_schedule(
 struct scheduler sched_credit02 =
 {
     .name="credit02",
-    .desc="Zero-start, burn based on weight, reset to zero at negative credit",
+    .desc="Zero-start, burn based on weight, reset to zero at negative credit, with time-on-credit-equal",
     .ops = {
         .sched_init = sched_credit_init,
         .vm_init    = sched_credit_vm_init,