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);
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