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-rw-r--r--arch/ia64/include/asm/thread_info.h6
-rw-r--r--arch/ia64/kernel/time.c62
2 files changed, 53 insertions, 15 deletions
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index c7026429816b..8742d741d19a 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -27,6 +27,12 @@ struct thread_info {
mm_segment_t addr_limit; /* user-level address space limit */
int preempt_count; /* 0=premptable, <0=BUG; will also serve as bh-counter */
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+ __u64 utime;
+ __u64 stime;
+ __u64 gtime;
+ __u64 hardirq_time;
+ __u64 softirq_time;
+ __u64 idle_time;
__u64 ac_stamp;
__u64 ac_leave;
__u64 ac_stime;
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 637e7413632c..37f1b315d9b6 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -63,14 +63,39 @@ extern cputime_t cycle_to_cputime(u64 cyc);
void vtime_account_user(struct task_struct *tsk)
{
- cputime_t delta_utime;
struct thread_info *ti = task_thread_info(tsk);
+ cputime_t delta;
- if (ti->ac_utime) {
- delta_utime = cycle_to_cputime(ti->ac_utime);
- account_user_time(tsk, delta_utime);
- ti->ac_utime = 0;
+ if (ti->utime)
+ account_user_time(tsk, cycle_to_cputime(ti->utime));
+
+ if (ti->gtime)
+ account_guest_time(tsk, cycle_to_cputime(ti->gtime));
+
+ if (ti->idle_time)
+ account_idle_time(cycle_to_cputime(ti->idle_time));
+
+ if (ti->stime) {
+ delta = cycle_to_cputime(ti->stime);
+ account_system_index_time(tsk, delta, CPUTIME_SYSTEM);
+ }
+
+ if (ti->hardirq_time) {
+ delta = cycle_to_cputime(ti->hardirq_time);
+ account_system_index_time(tsk, delta, CPUTIME_IRQ);
+ }
+
+ if (ti->softirq_time) {
+ delta = cycle_to_cputime(ti->softirq_time);
+ account_system_index_time(tsk, delta, CPUTIME_SOFTIRQ);
}
+
+ ti->utime = 0;
+ ti->gtime = 0;
+ ti->idle_time = 0;
+ ti->stime = 0;
+ ti->hardirq_time = 0;
+ ti->softirq_time = 0;
}
/*
@@ -91,18 +116,15 @@ void arch_vtime_task_switch(struct task_struct *prev)
* Account time for a transition between system, hard irq or soft irq state.
* Note that this function is called with interrupts enabled.
*/
-static cputime_t vtime_delta(struct task_struct *tsk)
+static __u64 vtime_delta(struct task_struct *tsk)
{
struct thread_info *ti = task_thread_info(tsk);
- cputime_t delta_stime;
- __u64 now;
+ __u64 now, delta_stime;
WARN_ON_ONCE(!irqs_disabled());
now = ia64_get_itc();
-
- delta_stime = cycle_to_cputime(ti->ac_stime + (now - ti->ac_stamp));
- ti->ac_stime = 0;
+ delta_stime = now - ti->ac_stamp;
ti->ac_stamp = now;
return delta_stime;
@@ -110,15 +132,25 @@ static cputime_t vtime_delta(struct task_struct *tsk)
void vtime_account_system(struct task_struct *tsk)
{
- cputime_t delta = vtime_delta(tsk);
-
- account_system_time(tsk, 0, delta);
+ struct thread_info *ti = task_thread_info(tsk);
+ __u64 stime = vtime_delta(tsk);
+
+ if ((tsk->flags & PF_VCPU) && !irq_count())
+ ti->gtime += stime;
+ else if (hardirq_count())
+ ti->hardirq_time += stime;
+ else if (in_serving_softirq())
+ ti->softirq_time += stime;
+ else
+ ti->stime += stime;
}
EXPORT_SYMBOL_GPL(vtime_account_system);
void vtime_account_idle(struct task_struct *tsk)
{
- account_idle_time(vtime_delta(tsk));
+ struct thread_info *ti = task_thread_info(tsk);
+
+ ti->idle_time += vtime_delta(tsk);
}
#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */