svn commit: r246034 - head/usr.bin/vmstat

[Andrey Zonov]

Author: zont
Date: Mon Jan 28 12:58:37 2013
New Revision: 246034
URL: http://svnweb.freebsd.org/changeset/base/246034

Log:
  - Show page faults requiring I/O when -s invoked.
  
  Reviewed by:	alc
  MFC after:	2 weeks

Modified:
  head/usr.bin/vmstat/vmstat.c

Modified: head/usr.bin/vmstat/vmstat.c
==============================================================================
--- head/usr.bin/vmstat/vmstat.c	Mon Jan 28 12:57:42 2013	(r246033)
+++ head/usr.bin/vmstat/vmstat.c	Mon Jan 28 12:58:37 2013	(r246034)
@@ -469,6 +469,7 @@ fill_vmmeter(struct vmmeter *vmmp)
 			ADD_FROM_PCPU(i, v_intr);
 			ADD_FROM_PCPU(i, v_soft);
 			ADD_FROM_PCPU(i, v_vm_faults);
+			ADD_FROM_PCPU(i, v_io_faults);
 			ADD_FROM_PCPU(i, v_cow_faults);
 			ADD_FROM_PCPU(i, v_cow_optim);
 			ADD_FROM_PCPU(i, v_zfod);
@@ -507,6 +508,7 @@ fill_vmmeter(struct vmmeter *vmmp)
 
 		/* vm */
 		GET_VM_STATS(vm, v_vm_faults);
+		GET_VM_STATS(vm, v_io_faults);
 		GET_VM_STATS(vm, v_cow_faults);
 		GET_VM_STATS(vm, v_cow_optim);
 		GET_VM_STATS(vm, v_zfod);
@@ -968,6 +970,7 @@ dosum(void)
 	(void)printf("%9u zero fill pages prezeroed\n", sum.v_ozfod);
 	(void)printf("%9u intransit blocking page faults\n", sum.v_intrans);
 	(void)printf("%9u total VM faults taken\n", sum.v_vm_faults);
+	(void)printf("%9u page faults requiring I/O\n", sum.v_io_faults);
 	(void)printf("%9u pages affected by kernel thread creation\n", sum.v_kthreadpages);
 	(void)printf("%9u pages affected by  fork()\n", sum.v_forkpages);
 	(void)printf("%9u pages affected by vfork()\n", sum.v_vforkpages);