diff options
Diffstat (limited to 'include/linux/kernel_stat.h')
| -rw-r--r-- | include/linux/kernel_stat.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index fce1392e2140..9ca6c2259dfe 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -107,6 +107,30 @@ static inline unsigned long kstat_cpu_irqs_sum(unsigned int cpu) } #ifdef CONFIG_NO_HZ_COMMON + +#ifdef CONFIG_HAVE_VIRT_CPU_ACCOUNTING_IDLE + +static inline void kcpustat_dyntick_start(u64 now) { } +static inline void kcpustat_dyntick_stop(u64 now) { } +static inline void kcpustat_irq_enter(u64 now) { } +static inline void kcpustat_irq_exit(u64 now) { } +static inline bool kcpustat_idle_dyntick(void) { return false; } + +extern u64 arch_kcpustat_field_idle(int cpu); +extern u64 arch_kcpustat_field_iowait(int cpu); + +static inline u64 kcpustat_field_idle(int cpu) +{ + return arch_kcpustat_field_idle(cpu); +} + +static inline u64 kcpustat_field_iowait(int cpu) +{ + return arch_kcpustat_field_iowait(cpu); +} + +#else /* !CONFIG_HAVE_VIRT_CPU_ACCOUNTING_IDLE */ + extern void kcpustat_dyntick_start(u64 now); extern void kcpustat_dyntick_stop(u64 now); extern void kcpustat_irq_enter(u64 now); @@ -118,6 +142,9 @@ static inline bool kcpustat_idle_dyntick(void) { return __this_cpu_read(kernel_cpustat.idle_dyntick); } + +#endif /* !CONFIG_HAVE_VIRT_CPU_ACCOUNTING_IDLE */ + #else static inline u64 kcpustat_field_idle(int cpu) { |