Plan 9 from Bell Labs 2003-03-19

0intro · Mar 19, 2003 · eeff709 · eeff709
1 parent adad83c
commit eeff709
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/port/proc.c b/port/proc.c
@@ -334,6 +334,9 @@ rebalance(void)
 			continue;
 		if(p->priority == p->basepri)
 			continue;
+
+		/* this comparison is too arbitrary - need a better one */
+		/* presotto */
 		if(m->ticks - p->readytime < quanta[p->priority]/4)
 			continue;
 		splhi();
@@ -362,6 +365,8 @@ runproc(void)
 	if ((p = edf->edfrunproc()) != nil)
 		return p;
 
+	/* 10 is completely arbitrary - it interacts with the comparison in rebalance */
+	/* presotto */
 	if(m->fairness++ == 10){
 		m->fairness = 0;
 		rebalance();