PERFORCE change 104371 for review

[Chris Jones]

http://perforce.freebsd.org/chv.cgi?CH=104371

Change 104371 by cdjones at cdjones_meanook on 2006/08/17 09:00:53

	Add sysctl to permit tweaking the number of cpu shares that non-jailed processes, erm, share.

Affected files ...

.. //depot/projects/soc2006/cdjones_jail/src/sys/kern/sched_hier.c#14 edit

Differences ...

==== //depot/projects/soc2006/cdjones_jail/src/sys/kern/sched_hier.c#14 (text+ko) ====

@@ -295,6 +295,11 @@
 	   &sched_kgfollowons, 0,
 	   "number of followons done in a ksegrp");
 
+static int sched_unjailedProcessShares = 50;
+SYSCTL_INT(_kern_sched, OID_AUTO, unjailedprocessshares, CTLFLAG_RW,
+	   &sched_unjailedProcessShares, 0,
+	   "number of shares to allocate to unjailed processes");
+
 static __inline void
 sched_load_add(void)
 {
@@ -586,7 +591,7 @@
 		* when jail CPU shares are added / changed, rather than
 		* doing it every second.
 		*/
-		nShares = 0;
+		nShares = sched_unjailedProcessShares;
 		nCpu = 0;
 	        LIST_FOREACH(pr, &allprison, pr_list) {
 			nShares += pr->pr_sched_shares;