Subversion Repositories or1k

#ifndef _LINUX_KERNEL_STAT_H

#define _LINUX_KERNEL_STAT_H

#include <linux/config.h>

#include <asm/irq.h>

#include <linux/smp.h>

#include <linux/threads.h>

/*

 * 'kernel_stat.h' contains the definitions needed for doing

 * some kernel statistics (CPU usage, context switches ...),

 * used by rstatd/perfmeter

 */

#define DK_MAX_MAJOR 16

#define DK_MAX_DISK 16

struct kernel_stat {

        unsigned int per_cpu_user[NR_CPUS],

                     per_cpu_nice[NR_CPUS],

                     per_cpu_system[NR_CPUS];

        unsigned int dk_drive[DK_MAX_MAJOR][DK_MAX_DISK];

        unsigned int dk_drive_rio[DK_MAX_MAJOR][DK_MAX_DISK];

        unsigned int dk_drive_wio[DK_MAX_MAJOR][DK_MAX_DISK];

        unsigned int dk_drive_rblk[DK_MAX_MAJOR][DK_MAX_DISK];

        unsigned int dk_drive_wblk[DK_MAX_MAJOR][DK_MAX_DISK];

        unsigned int pgpgin, pgpgout;

        unsigned int pswpin, pswpout;

#if defined (__hppa__) 

        unsigned int irqs[NR_CPUS][NR_IRQ_REGS][IRQ_PER_REGION];

#elif !defined(CONFIG_ARCH_S390)

        unsigned int irqs[NR_CPUS][NR_IRQS];

#endif

        unsigned int context_swtch;

};

extern struct kernel_stat kstat;

extern unsigned long nr_context_switches(void);

#if defined (__hppa__) 

/*

 * Number of interrupts per specific IRQ source, since bootup

 */

static inline int kstat_irqs (int irq)

{

        int i, sum=0;

        for (i = 0 ; i < smp_num_cpus ; i++)

                sum += kstat.irqs[i][IRQ_REGION(irq)][IRQ_OFFSET(irq)];

        return sum;

}

#elif !defined(CONFIG_ARCH_S390)

/*

 * Number of interrupts per specific IRQ source, since bootup

 */

extern inline int kstat_irqs (int irq)

{

        int i, sum=0;

        for (i = 0 ; i < smp_num_cpus ; i++)

                sum += kstat.irqs[cpu_logical_map(i)][irq];

        return sum;

}

#endif

#endif /* _LINUX_KERNEL_STAT_H */