From 8a6d48c0542876eb3acfc0970c0ab7872db08d5f Mon Sep 17 00:00:00 2001 From: Zheng Da Date: Sun, 6 Dec 2009 05:26:23 +0100 Subject: check in the original version of dde linux26. --- libdde_linux26/contrib/include/linux/kernel_stat.h | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 libdde_linux26/contrib/include/linux/kernel_stat.h (limited to 'libdde_linux26/contrib/include/linux/kernel_stat.h') diff --git a/libdde_linux26/contrib/include/linux/kernel_stat.h b/libdde_linux26/contrib/include/linux/kernel_stat.h new file mode 100644 index 00000000..570d2041 --- /dev/null +++ b/libdde_linux26/contrib/include/linux/kernel_stat.h @@ -0,0 +1,91 @@ +#ifndef _LINUX_KERNEL_STAT_H +#define _LINUX_KERNEL_STAT_H + +#include +#include +#include +#include +#include +#include + +/* + * 'kernel_stat.h' contains the definitions needed for doing + * some kernel statistics (CPU usage, context switches ...), + * used by rstatd/perfmeter + */ + +struct cpu_usage_stat { + cputime64_t user; + cputime64_t nice; + cputime64_t system; + cputime64_t softirq; + cputime64_t irq; + cputime64_t idle; + cputime64_t iowait; + cputime64_t steal; + cputime64_t guest; +}; + +struct kernel_stat { + struct cpu_usage_stat cpustat; +#ifndef CONFIG_SPARSE_IRQ + unsigned int irqs[NR_IRQS]; +#endif +}; + +DECLARE_PER_CPU(struct kernel_stat, kstat); + +#define kstat_cpu(cpu) per_cpu(kstat, cpu) +/* Must have preemption disabled for this to be meaningful. */ +#define kstat_this_cpu __get_cpu_var(kstat) + +extern unsigned long long nr_context_switches(void); + +#ifndef CONFIG_SPARSE_IRQ +#define kstat_irqs_this_cpu(irq) \ + (kstat_this_cpu.irqs[irq]) + +struct irq_desc; + +static inline void kstat_incr_irqs_this_cpu(unsigned int irq, + struct irq_desc *desc) +{ + kstat_this_cpu.irqs[irq]++; +} +#endif + + +#ifndef CONFIG_SPARSE_IRQ +static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) +{ + return kstat_cpu(cpu).irqs[irq]; +} +#else +extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu); +#endif + +/* + * Number of interrupts per specific IRQ source, since bootup + */ +static inline unsigned int kstat_irqs(unsigned int irq) +{ + unsigned int sum = 0; + int cpu; + + for_each_possible_cpu(cpu) + sum += kstat_irqs_cpu(irq, cpu); + + return sum; +} + +extern unsigned long long task_delta_exec(struct task_struct *); +extern void account_user_time(struct task_struct *, cputime_t, cputime_t); +extern void account_system_time(struct task_struct *, int, cputime_t, cputime_t); +extern void account_steal_time(cputime_t); +extern void account_idle_time(cputime_t); + +extern void account_process_tick(struct task_struct *, int user); +extern void account_steal_ticks(unsigned long ticks); +extern void account_idle_ticks(unsigned long ticks); + +#endif /* _LINUX_KERNEL_STAT_H */ -- cgit v1.2.3