diff options
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 64 |
1 files changed, 31 insertions, 33 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 79bca16..0c87126 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3687,7 +3687,36 @@ void account_system_time(struct task_struct *p, int hardirq_offset, __account_system_time(p, cputime, cputime_scaled, target_cputime64); } +/* + * Account for involuntary wait time. + * @cputime: the cpu time spent in involuntary wait + */ +void account_steal_time(cputime_t cputime) +{ + struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat; + cputime64_t cputime64 = cputime_to_cputime64(cputime); + + cpustat->steal = cputime64_add(cpustat->steal, cputime64); +} + +/* + * Account for idle time. + * @cputime: the cpu time spent in idle wait + */ +void account_idle_time(cputime_t cputime) +{ + struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat; + cputime64_t cputime64 = cputime_to_cputime64(cputime); + struct rq *rq = this_rq(); + + if (atomic_read(&rq->nr_iowait) > 0) + cpustat->iowait = cputime64_add(cpustat->iowait, cputime64); + else + cpustat->idle = cputime64_add(cpustat->idle, cputime64); +} + #ifndef CONFIG_VIRT_CPU_ACCOUNTING + #ifdef CONFIG_IRQ_TIME_ACCOUNTING /* * Account a tick to a process and cpustat @@ -3749,42 +3778,11 @@ static void irqtime_account_idle_ticks(int ticks) for (i = 0; i < ticks; i++) irqtime_account_process_tick(current, 0, rq); } -#else +#else /* CONFIG_IRQ_TIME_ACCOUNTING */ static void irqtime_account_idle_ticks(int ticks) {} static void irqtime_account_process_tick(struct task_struct *p, int user_tick, struct rq *rq) {} -#endif -#endif /* !CONFIG_VIRT_CPU_ACCOUNTING */ - -/* - * Account for involuntary wait time. - * @steal: the cpu time spent in involuntary wait - */ -void account_steal_time(cputime_t cputime) -{ - struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat; - cputime64_t cputime64 = cputime_to_cputime64(cputime); - - cpustat->steal = cputime64_add(cpustat->steal, cputime64); -} - -/* - * Account for idle time. - * @cputime: the cpu time spent in idle wait - */ -void account_idle_time(cputime_t cputime) -{ - struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat; - cputime64_t cputime64 = cputime_to_cputime64(cputime); - struct rq *rq = this_rq(); - - if (atomic_read(&rq->nr_iowait) > 0) - cpustat->iowait = cputime64_add(cpustat->iowait, cputime64); - else - cpustat->idle = cputime64_add(cpustat->idle, cputime64); -} - -#ifndef CONFIG_VIRT_CPU_ACCOUNTING +#endif /* CONFIG_IRQ_TIME_ACCOUNTING */ /* * Account a single tick of cpu time. |