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Diffstat (limited to 'kernel')
-rw-r--r--kernel/exit.c9
-rw-r--r--kernel/fork.c1
-rw-r--r--kernel/sys.c7
3 files changed, 17 insertions, 0 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index b0c6f0c3a2d..7a5fd77f8fb 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -42,6 +42,7 @@
#include <linux/audit.h> /* for audit_free() */
#include <linux/resource.h>
#include <linux/blkdev.h>
+#include <linux/task_io_accounting_ops.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
@@ -113,6 +114,8 @@ static void __exit_signal(struct task_struct *tsk)
sig->nvcsw += tsk->nvcsw;
sig->nivcsw += tsk->nivcsw;
sig->sched_time += tsk->sched_time;
+ sig->inblock += task_io_get_inblock(tsk);
+ sig->oublock += task_io_get_oublock(tsk);
sig = NULL; /* Marker for below. */
}
@@ -1193,6 +1196,12 @@ static int wait_task_zombie(struct task_struct *p, int noreap,
p->nvcsw + sig->nvcsw + sig->cnvcsw;
psig->cnivcsw +=
p->nivcsw + sig->nivcsw + sig->cnivcsw;
+ psig->cinblock +=
+ task_io_get_inblock(p) +
+ sig->inblock + sig->cinblock;
+ psig->coublock +=
+ task_io_get_oublock(p) +
+ sig->oublock + sig->coublock;
spin_unlock_irq(&p->parent->sighand->siglock);
}
diff --git a/kernel/fork.c b/kernel/fork.c
index 5dd3979747f..da92e01aba6 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -875,6 +875,7 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts
sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
+ sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
sig->sched_time = 0;
INIT_LIST_HEAD(&sig->cpu_timers[0]);
INIT_LIST_HEAD(&sig->cpu_timers[1]);
diff --git a/kernel/sys.c b/kernel/sys.c
index cdb7e9457ba..ec319bbb0bd 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -29,6 +29,7 @@
#include <linux/signal.h>
#include <linux/cn_proc.h>
#include <linux/getcpu.h>
+#include <linux/task_io_accounting_ops.h>
#include <linux/compat.h>
#include <linux/syscalls.h>
@@ -2082,6 +2083,8 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
r->ru_nivcsw = p->signal->cnivcsw;
r->ru_minflt = p->signal->cmin_flt;
r->ru_majflt = p->signal->cmaj_flt;
+ r->ru_inblock = p->signal->cinblock;
+ r->ru_oublock = p->signal->coublock;
if (who == RUSAGE_CHILDREN)
break;
@@ -2093,6 +2096,8 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
r->ru_nivcsw += p->signal->nivcsw;
r->ru_minflt += p->signal->min_flt;
r->ru_majflt += p->signal->maj_flt;
+ r->ru_inblock += p->signal->inblock;
+ r->ru_oublock += p->signal->oublock;
t = p;
do {
utime = cputime_add(utime, t->utime);
@@ -2101,6 +2106,8 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
r->ru_nivcsw += t->nivcsw;
r->ru_minflt += t->min_flt;
r->ru_majflt += t->maj_flt;
+ r->ru_inblock += task_io_get_inblock(t);
+ r->ru_oublock += task_io_get_oublock(t);
t = next_thread(t);
} while (t != p);
break;