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Diffstat (limited to 'kernel/sched_stats.h')
-rw-r--r--kernel/sched_stats.h36
1 files changed, 17 insertions, 19 deletions
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index 3b01098164c8..8ab0cef8ecab 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -42,7 +42,8 @@ static int show_schedstat(struct seq_file *seq, void *v)
for_each_domain(cpu, sd) {
enum cpu_idle_type itype;
- cpumask_scnprintf(mask_str, mask_len, sd->span);
+ cpumask_scnprintf(mask_str, mask_len,
+ sched_domain_span(sd));
seq_printf(seq, "domain%d %s", dcount++, mask_str);
for (itype = CPU_IDLE; itype < CPU_MAX_IDLE_TYPES;
itype++) {
@@ -295,6 +296,7 @@ sched_info_switch(struct task_struct *prev, struct task_struct *next)
static inline void account_group_user_time(struct task_struct *tsk,
cputime_t cputime)
{
+ struct task_cputime *times;
struct signal_struct *sig;
/* tsk == current, ensure it is safe to use ->signal */
@@ -302,13 +304,11 @@ static inline void account_group_user_time(struct task_struct *tsk,
return;
sig = tsk->signal;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ times = &sig->cputime.totals;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->utime = cputime_add(times->utime, cputime);
- put_cpu_no_resched();
- }
+ spin_lock(&times->lock);
+ times->utime = cputime_add(times->utime, cputime);
+ spin_unlock(&times->lock);
}
/**
@@ -324,6 +324,7 @@ static inline void account_group_user_time(struct task_struct *tsk,
static inline void account_group_system_time(struct task_struct *tsk,
cputime_t cputime)
{
+ struct task_cputime *times;
struct signal_struct *sig;
/* tsk == current, ensure it is safe to use ->signal */
@@ -331,13 +332,11 @@ static inline void account_group_system_time(struct task_struct *tsk,
return;
sig = tsk->signal;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ times = &sig->cputime.totals;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->stime = cputime_add(times->stime, cputime);
- put_cpu_no_resched();
- }
+ spin_lock(&times->lock);
+ times->stime = cputime_add(times->stime, cputime);
+ spin_unlock(&times->lock);
}
/**
@@ -353,6 +352,7 @@ static inline void account_group_system_time(struct task_struct *tsk,
static inline void account_group_exec_runtime(struct task_struct *tsk,
unsigned long long ns)
{
+ struct task_cputime *times;
struct signal_struct *sig;
sig = tsk->signal;
@@ -361,11 +361,9 @@ static inline void account_group_exec_runtime(struct task_struct *tsk,
if (unlikely(!sig))
return;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ times = &sig->cputime.totals;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->sum_exec_runtime += ns;
- put_cpu_no_resched();
- }
+ spin_lock(&times->lock);
+ times->sum_exec_runtime += ns;
+ spin_unlock(&times->lock);
}