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/*
* sysstat: System performance tools for Linux
* (C) 1999-2004 by Sebastien Godard (sysstat <at> wanadoo.fr)
*/
#ifndef _COMMON_H
#define _COMMON_H
#include <time.h>
#define FALSE 0
#define TRUE 1
#define MINIMUM(a,b) ((a) < (b) ? (a) : (b))
#define NR_CPUS 1024
/*
* Size of /proc/interrupts line (at NR_CPUS # of cpus)
* 4 spaces for interrupt # field ; 11 spaces for each interrupt field.
*/
#define INTERRUPTS_LINE (4 + 11 * NR_CPUS)
/* Keywords */
#define K_ISO "ISO"
#define K_ALL "ALL"
/* Files */
#define STAT "/proc/stat"
#define PPARTITIONS "/proc/partitions"
#define DISKSTATS "/proc/diskstats"
#define INTERRUPTS "/proc/interrupts"
#define SYSFS_BLOCK "/sys/block"
#define S_STAT "stat"
#define MAX_FILE_LEN 256
#define MAX_PF_NAME 1024
#define NR_DEV_PREALLOC 4
#define NR_DISK_PREALLOC 3
/* Define flags */
#define F_BOOT_STATS 0x100000
#define D_PARTITIONS 0x200000
#define F_HAS_DISKSTATS 0x400000
#define F_HAS_PPARTITIONS 0x800000
#define WANT_BOOT_STATS(m) (((m) & F_BOOT_STATS) == F_BOOT_STATS)
#define DISPLAY_PARTITIONS(m) (((m) & D_PARTITIONS) == D_PARTITIONS)
#define HAS_DISKSTATS(m) (((m) & F_HAS_DISKSTATS) == F_HAS_DISKSTATS)
#define HAS_PPARTITIONS(m) (((m) & F_HAS_PPARTITIONS) == F_HAS_PPARTITIONS)
#define CNT_DEV 0
#define CNT_PART 1
#define S_VALUE(m,n,p) (((double) ((n) - (m))) / (p) * HZ)
/* new define to normalize to %; HZ is 1024 on IA64 and % should be normalized to 100 */
#define SP_VALUE(m,n,p) (((double) ((n) - (m))) / (p) * 100)
/*
* 0: stats at t,
* 1: stats at t' (t+T or t-T),
* 2: average.
*/
#define DIM 3
/* Environment variable */
#define TM_FMT_VAR "S_TIME_FORMAT"
#define DIGITS "0123456789"
#define UTSNAME_LEN 65
#define NR_DISKS 4
#define DISP_HDR 1
/* Functions */
extern char *device_name(char *);
extern unsigned int get_disk_io_nr(void);
extern int get_kb_shift(void);
extern time_t get_localtime(struct tm *);
extern int get_cpu_nr(int *, unsigned int);
extern int get_sysfs_dev_nr(int);
extern int get_diskstats_dev_nr(int);
extern int get_ppartitions_dev_nr(void);
extern int get_win_height(void);
extern void init_nls(void);
extern double ll_s_value(unsigned long long, unsigned long long,
unsigned long long);
extern double ll_sp_value(unsigned long long, unsigned long long,
unsigned long long);
extern void print_gal_header(struct tm *, char *, char *, char *);
#endif /* _COMMON_H */
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