* bump this up when changing the output format or the meaning of an existing
* format, so that tools can adapt (or abort)
*/
-#define SCHEDSTAT_VERSION 14
+#define SCHEDSTAT_VERSION 15
static int show_schedstat(struct seq_file *seq, void *v)
{
/* runqueue-specific stats */
seq_printf(seq,
- "cpu%d %u %u %u %u %u %u %u %u %u %llu %llu %lu",
- cpu, rq->yld_both_empty,
- rq->yld_act_empty, rq->yld_exp_empty, rq->yld_count,
+ "cpu%d %u %u %u %u %u %u %llu %llu %lu",
+ cpu, rq->yld_count,
rq->sched_switch, rq->sched_count, rq->sched_goidle,
rq->ttwu_count, rq->ttwu_local,
- rq->rq_sched_info.cpu_time,
+ rq->rq_cpu_time,
rq->rq_sched_info.run_delay, rq->rq_sched_info.pcount);
seq_printf(seq, "\n");
enum cpu_idle_type itype;
cpumask_scnprintf(mask_str, mask_len,
- *sched_domain_span(sd));
+ sched_domain_span(sd));
seq_printf(seq, "domain%d %s", dcount++, mask_str);
for (itype = CPU_IDLE; itype < CPU_MAX_IDLE_TYPES;
itype++) {
rq_sched_info_depart(struct rq *rq, unsigned long long delta)
{
if (rq)
- rq->rq_sched_info.cpu_time += delta;
+ rq->rq_cpu_time += delta;
}
static inline void
unsigned long long delta = task_rq(t)->clock -
t->sched_info.last_arrival;
- t->sched_info.cpu_time += delta;
rq_sched_info_depart(task_rq(t), delta);
if (t->state == TASK_RUNNING)
static inline void account_group_user_time(struct task_struct *tsk,
cputime_t cputime)
{
- struct signal_struct *sig;
+ struct thread_group_cputimer *cputimer;
/* tsk == current, ensure it is safe to use ->signal */
if (unlikely(tsk->exit_state))
return;
- sig = tsk->signal;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ cputimer = &tsk->signal->cputimer;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->utime = cputime_add(times->utime, cputime);
- put_cpu_no_resched();
- }
+ if (!cputimer->running)
+ return;
+
+ spin_lock(&cputimer->lock);
+ cputimer->cputime.utime =
+ cputime_add(cputimer->cputime.utime, cputime);
+ spin_unlock(&cputimer->lock);
}
/**
static inline void account_group_system_time(struct task_struct *tsk,
cputime_t cputime)
{
- struct signal_struct *sig;
+ struct thread_group_cputimer *cputimer;
/* tsk == current, ensure it is safe to use ->signal */
if (unlikely(tsk->exit_state))
return;
- sig = tsk->signal;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ cputimer = &tsk->signal->cputimer;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->stime = cputime_add(times->stime, cputime);
- put_cpu_no_resched();
- }
+ if (!cputimer->running)
+ return;
+
+ spin_lock(&cputimer->lock);
+ cputimer->cputime.stime =
+ cputime_add(cputimer->cputime.stime, cputime);
+ spin_unlock(&cputimer->lock);
}
/**
static inline void account_group_exec_runtime(struct task_struct *tsk,
unsigned long long ns)
{
+ struct thread_group_cputimer *cputimer;
struct signal_struct *sig;
sig = tsk->signal;
if (unlikely(!sig))
return;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ cputimer = &sig->cputimer;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->sum_exec_runtime += ns;
- put_cpu_no_resched();
- }
+ if (!cputimer->running)
+ return;
+
+ spin_lock(&cputimer->lock);
+ cputimer->cputime.sum_exec_runtime += ns;
+ spin_unlock(&cputimer->lock);
}