diff options
| -rw-r--r-- | arch/powerpc/include/asm/cputime.h | 7 | ||||
| -rw-r--r-- | include/asm-generic/cputime_jiffies.h | 1 | ||||
| -rw-r--r-- | include/asm-generic/cputime_nsecs.h | 1 | ||||
| -rw-r--r-- | kernel/sched/cputime.c | 26 |
4 files changed, 12 insertions, 23 deletions
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index 9f5dcf73b608..aa2e6a34b872 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -52,13 +52,6 @@ static inline unsigned long cputime_to_jiffies(const cputime_t ct) return mulhdu((__force u64) ct, __cputime_jiffies_factor); } -/* Estimate the scaled cputime by scaling the real cputime based on - * the last scaled to real ratio */ -static inline cputime_t cputime_to_scaled(const cputime_t ct) -{ - return ct; -} - static inline cputime_t jiffies_to_cputime(const unsigned long jif) { u64 ct; diff --git a/include/asm-generic/cputime_jiffies.h b/include/asm-generic/cputime_jiffies.h index fe386fc6e85e..6bb8cd45f53b 100644 --- a/include/asm-generic/cputime_jiffies.h +++ b/include/asm-generic/cputime_jiffies.h @@ -7,7 +7,6 @@ typedef unsigned long __nocast cputime_t; #define cputime_one_jiffy jiffies_to_cputime(1) #define cputime_to_jiffies(__ct) (__force unsigned long)(__ct) -#define cputime_to_scaled(__ct) (__ct) #define jiffies_to_cputime(__hz) (__force cputime_t)(__hz) typedef u64 __nocast cputime64_t; diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h index a84e28e0c634..4e3b18e559b1 100644 --- a/include/asm-generic/cputime_nsecs.h +++ b/include/asm-generic/cputime_nsecs.h @@ -34,7 +34,6 @@ typedef u64 __nocast cputime64_t; */ #define cputime_to_jiffies(__ct) \ cputime_div(__ct, NSEC_PER_SEC / HZ) -#define cputime_to_scaled(__ct) (__ct) #define jiffies_to_cputime(__jif) \ (__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ)) #define cputime64_to_jiffies64(__ct) \ diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 5ebee3164e64..3229c7244fdd 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -390,7 +390,7 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick, struct rq *rq, int ticks) { u64 cputime = (__force u64) cputime_one_jiffy * ticks; - cputime_t scaled, other; + cputime_t other; /* * When returning from idle, many ticks can get accounted at @@ -403,7 +403,6 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick, if (other >= cputime) return; cputime -= other; - scaled = cputime_to_scaled(cputime); if (this_cpu_ksoftirqd() == p) { /* @@ -411,15 +410,15 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick, * So, we have to handle it separately here. * Also, p->stime needs to be updated for ksoftirqd. */ - __account_system_time(p, cputime, scaled, CPUTIME_SOFTIRQ); + __account_system_time(p, cputime, cputime, CPUTIME_SOFTIRQ); } else if (user_tick) { - account_user_time(p, cputime, scaled); + account_user_time(p, cputime, cputime); } else if (p == rq->idle) { account_idle_time(cputime); } else if (p->flags & PF_VCPU) { /* System time or guest time */ - account_guest_time(p, cputime, scaled); + account_guest_time(p, cputime, cputime); } else { - __account_system_time(p, cputime, scaled, CPUTIME_SYSTEM); + __account_system_time(p, cputime, cputime, CPUTIME_SYSTEM); } } @@ -502,7 +501,7 @@ void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime */ void account_process_tick(struct task_struct *p, int user_tick) { - cputime_t cputime, scaled, steal; + cputime_t cputime, steal; struct rq *rq = this_rq(); if (vtime_accounting_cpu_enabled()) @@ -520,12 +519,11 @@ void account_process_tick(struct task_struct *p, int user_tick) return; cputime -= steal; - scaled = cputime_to_scaled(cputime); if (user_tick) - account_user_time(p, cputime, scaled); + account_user_time(p, cputime, cputime); else if ((p != rq->idle) || (irq_count() != HARDIRQ_OFFSET)) - account_system_time(p, HARDIRQ_OFFSET, cputime, scaled); + account_system_time(p, HARDIRQ_OFFSET, cputime, cputime); else account_idle_time(cputime); } @@ -746,7 +744,7 @@ static void __vtime_account_system(struct task_struct *tsk) { cputime_t delta_cpu = get_vtime_delta(tsk); - account_system_time(tsk, irq_count(), delta_cpu, cputime_to_scaled(delta_cpu)); + account_system_time(tsk, irq_count(), delta_cpu, delta_cpu); } void vtime_account_system(struct task_struct *tsk) @@ -767,7 +765,7 @@ void vtime_account_user(struct task_struct *tsk) tsk->vtime_snap_whence = VTIME_SYS; if (vtime_delta(tsk)) { delta_cpu = get_vtime_delta(tsk); - account_user_time(tsk, delta_cpu, cputime_to_scaled(delta_cpu)); + account_user_time(tsk, delta_cpu, delta_cpu); } write_seqcount_end(&tsk->vtime_seqcount); } @@ -940,8 +938,8 @@ void task_cputime_scaled(struct task_struct *t, fetch_task_cputime(t, utimescaled, stimescaled, &t->utimescaled, &t->stimescaled, &udelta, &sdelta); if (utimescaled) - *utimescaled += cputime_to_scaled(udelta); + *utimescaled += udelta; if (stimescaled) - *stimescaled += cputime_to_scaled(sdelta); + *stimescaled += sdelta; } #endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */ |