sa.h

linux下查看系统工具原码,如IOSTAT等

   unsigned long pgpgout			__attribute__ ((aligned (8)));
   unsigned long pswpin				__attribute__ ((aligned (8)));
   unsigned long pswpout			__attribute__ ((aligned (8)));
   /* Memory stats in kB */
   unsigned long frmkb				__attribute__ ((aligned (8)));
   unsigned long bufkb				__attribute__ ((aligned (8)));
   unsigned long camkb				__attribute__ ((aligned (8)));
   unsigned long tlmkb				__attribute__ ((aligned (8)));
   unsigned long frskb				__attribute__ ((aligned (8)));
   unsigned long tlskb				__attribute__ ((aligned (8)));
   unsigned long caskb				__attribute__ ((aligned (8)));
   unsigned long nr_running			__attribute__ ((aligned (8)));
   unsigned long pgfault			__attribute__ ((aligned (8)));
   unsigned long pgmajfault			__attribute__ ((aligned (8)));
   /* --- INT --- */
   unsigned int  dk_drive			__attribute__ ((aligned (8)));
   unsigned int  dk_drive_rio			__attribute__ ((packed));
   unsigned int  dk_drive_wio			__attribute__ ((packed));
   unsigned int  dk_drive_rblk			__attribute__ ((packed));
   unsigned int  dk_drive_wblk			__attribute__ ((packed));
   unsigned int  file_used			__attribute__ ((packed));
   unsigned int  inode_used			__attribute__ ((packed));
   unsigned int  super_used			__attribute__ ((packed));
   unsigned int  super_max			__attribute__ ((packed));
   unsigned int  dquot_used			__attribute__ ((packed));
   unsigned int  dquot_max			__attribute__ ((packed));
   unsigned int  rtsig_queued			__attribute__ ((packed));
   unsigned int  rtsig_max			__attribute__ ((packed));
   unsigned int  sock_inuse			__attribute__ ((packed));
   unsigned int  tcp_inuse			__attribute__ ((packed));
   unsigned int  udp_inuse			__attribute__ ((packed));
   unsigned int  raw_inuse			__attribute__ ((packed));
   unsigned int  frag_inuse			__attribute__ ((packed));
   unsigned int  dentry_stat			__attribute__ ((packed));
   unsigned int  load_avg_1			__attribute__ ((packed));
   unsigned int  load_avg_5			__attribute__ ((packed));
   unsigned int  load_avg_15			__attribute__ ((packed));
   unsigned int  nr_threads			__attribute__ ((packed));
   unsigned int  nfs_rpccnt			__attribute__ ((packed));
   unsigned int  nfs_rpcretrans			__attribute__ ((packed));
   unsigned int  nfs_readcnt			__attribute__ ((packed));
   unsigned int  nfs_writecnt			__attribute__ ((packed));
   unsigned int  nfs_accesscnt			__attribute__ ((packed));
   unsigned int  nfs_getattcnt			__attribute__ ((packed));
   unsigned int  nfsd_rpccnt			__attribute__ ((packed));
   unsigned int  nfsd_rpcbad			__attribute__ ((packed));
   unsigned int  nfsd_netcnt			__attribute__ ((packed));
   unsigned int  nfsd_netudpcnt			__attribute__ ((packed));
   unsigned int  nfsd_nettcpcnt			__attribute__ ((packed));
   unsigned int  nfsd_rchits			__attribute__ ((packed));
   unsigned int  nfsd_rcmisses			__attribute__ ((packed));
   unsigned int  nfsd_readcnt			__attribute__ ((packed));
   unsigned int  nfsd_writecnt			__attribute__ ((packed));
   unsigned int  nfsd_accesscnt			__attribute__ ((packed));
   unsigned int  nfsd_getattcnt			__attribute__ ((packed));
   /* --- CHAR --- */
   /* Record type: R_STATS or R_DUMMY */
   unsigned char record_type			__attribute__ ((packed));
   /*
    * Time stamp: hour, minute and second.
    * Used to determine TRUE time (immutable, non locale dependent time).
    */
   unsigned char hour		/* (0-23) */	__attribute__ ((packed));
   unsigned char minute		/* (0-59) */	__attribute__ ((packed));
   unsigned char second		/* (0-59) */	__attribute__ ((packed));
};

#define FILE_STATS_SIZE	(sizeof(struct file_stats))

struct stats_one_cpu {
   unsigned long long per_cpu_idle		__attribute__ ((aligned (16)));
   unsigned long long per_cpu_iowait		__attribute__ ((aligned (16)));
   unsigned long long per_cpu_user		__attribute__ ((aligned (16)));
   unsigned long long per_cpu_nice		__attribute__ ((aligned (16)));
   unsigned long long per_cpu_system		__attribute__ ((aligned (16)));
   unsigned long long per_cpu_steal		__attribute__ ((aligned (16)));
   unsigned long long pad			__attribute__ ((aligned (16)));
};

#define STATS_ONE_CPU_SIZE	(sizeof(struct stats_one_cpu))

/*
 * Members do not need to be aligned since these stats are not written
 * to daily data files.
 */
struct pid_stats {
   /* If pid is null, the process has been killed */
   unsigned long pid				__attribute__ ((aligned (8)));
   unsigned long minflt				__attribute__ ((packed));
   unsigned long majflt				__attribute__ ((packed));
   unsigned long utime				__attribute__ ((packed));
   unsigned long stime				__attribute__ ((packed));
   unsigned long nswap				__attribute__ ((packed));
   unsigned long cminflt			__attribute__ ((packed));
   unsigned long cmajflt			__attribute__ ((packed));
   unsigned long cutime				__attribute__ ((packed));
   unsigned long cstime				__attribute__ ((packed));
   unsigned long cnswap				__attribute__ ((packed));
   unsigned int  processor			__attribute__ ((packed));
   unsigned char flag				__attribute__ ((packed));
   unsigned char pad[3]				__attribute__ ((packed));
};

#define PID_STATS_SIZE	(sizeof(struct pid_stats))

struct stats_serial {
   unsigned int  rx				__attribute__ ((aligned (8)));
   unsigned int  tx				__attribute__ ((packed));
   unsigned int  frame				__attribute__ ((packed));
   unsigned int  parity				__attribute__ ((packed));
   unsigned int  brk				__attribute__ ((packed));
   unsigned int  overrun			__attribute__ ((packed));
   unsigned int  line				__attribute__ ((packed));
   unsigned char pad[4]				__attribute__ ((packed));
};

#define STATS_SERIAL_SIZE	(sizeof(struct stats_serial))

/* See linux source file linux/include/linux/netdevice.h */
struct stats_net_dev {
   unsigned long rx_packets			__attribute__ ((aligned (8)));
   unsigned long tx_packets			__attribute__ ((aligned (8)));
   unsigned long rx_bytes			__attribute__ ((aligned (8)));
   unsigned long tx_bytes			__attribute__ ((aligned (8)));
   unsigned long rx_compressed			__attribute__ ((aligned (8)));
   unsigned long tx_compressed			__attribute__ ((aligned (8)));
   unsigned long multicast			__attribute__ ((aligned (8)));
   unsigned long collisions			__attribute__ ((aligned (8)));
   unsigned long rx_errors			__attribute__ ((aligned (8)));
   unsigned long tx_errors			__attribute__ ((aligned (8)));
   unsigned long rx_dropped			__attribute__ ((aligned (8)));
   unsigned long tx_dropped			__attribute__ ((aligned (8)));
   unsigned long rx_fifo_errors			__attribute__ ((aligned (8)));
   unsigned long tx_fifo_errors			__attribute__ ((aligned (8)));
   unsigned long rx_frame_errors		__attribute__ ((aligned (8)));
   unsigned long tx_carrier_errors		__attribute__ ((aligned (8)));
   char		 interface[MAX_IFACE_LEN]	__attribute__ ((aligned (8)));
};

#define STATS_NET_DEV_SIZE	(sizeof(struct stats_net_dev))


/*
 * stats_irq_cpu->irq:       IRQ#-A
 * stats_irq_cpu->interrupt: number of IRQ#-A for proc 0
 * stats_irq_cpu->irq:       IRQ#-B
 * stats_irq_cpu->interrupt: number of IRQ#-B for proc 0
 * ...
 * stats_irq_cpu->irq:       (undef'd)
 * stats_irq_cpu->interrupt: number of IRQ#-A for proc 1
 * stats_irq_cpu->irq:       (undef'd)
 * stats_irq_cpu->interrupt: number of IRQ#-B for proc 1
 * ...
 */
struct stats_irq_cpu {
   unsigned int interrupt			__attribute__ ((aligned (8)));
   unsigned int irq				__attribute__ ((packed));
};

#define STATS_IRQ_CPU_SIZE	(sizeof(struct stats_irq_cpu))
#define STATS_ONE_IRQ_SIZE	(sizeof(int) * NR_IRQS)

struct disk_stats {
   unsigned long long rd_sect			__attribute__ ((aligned (16)));
   unsigned long long wr_sect			__attribute__ ((aligned (16)));
   unsigned long rd_ticks			__attribute__ ((aligned (16)));
   unsigned long wr_ticks			__attribute__ ((aligned (8)));
   unsigned long tot_ticks			__attribute__ ((aligned (8)));
   unsigned long rq_ticks			__attribute__ ((aligned (8)));
   unsigned long nr_ios				__attribute__ ((aligned (8)));
   unsigned int  major				__attribute__ ((aligned (8)));
   unsigned int  minor				__attribute__ ((packed));
};

#define DISK_STATS_SIZE		(sizeof(struct disk_stats))

struct stats_sum {
   unsigned long count				__attribute__ ((aligned (8)));
   unsigned long frmkb				__attribute__ ((packed));
   unsigned long bufkb				__attribute__ ((packed));
   unsigned long camkb				__attribute__ ((packed));
   unsigned long frskb				__attribute__ ((packed));
   unsigned long tlskb				__attribute__ ((packed));
   unsigned long caskb				__attribute__ ((packed));
   unsigned long dentry_stat			__attribute__ ((packed));
   unsigned long file_used			__attribute__ ((packed));
   unsigned long inode_used			__attribute__ ((packed));
   unsigned long super_used			__attribute__ ((packed));
   unsigned long dquot_used			__attribute__ ((packed));
   unsigned long rtsig_queued			__attribute__ ((packed));
   unsigned long sock_inuse			__attribute__ ((packed));
   unsigned long tcp_inuse			__attribute__ ((packed));
   unsigned long udp_inuse			__attribute__ ((packed));
   unsigned long raw_inuse			__attribute__ ((packed));
   unsigned long frag_inuse			__attribute__ ((packed));
   unsigned long nr_running			__attribute__ ((packed));
   unsigned long nr_threads			__attribute__ ((packed));
   unsigned long load_avg_1			__attribute__ ((packed));
   unsigned long load_avg_5			__attribute__ ((packed));
   unsigned long load_avg_15			__attribute__ ((packed));
};

#define STATS_SUM_SIZE	(sizeof(struct stats_sum))

struct tstamp {
   int tm_sec;
   int tm_min;
   int tm_hour;
   int use;
};

/* Time must have the format HH:MM:SS with HH in 24-hour format */
#define DEF_TMSTART	"08:00:00"
#define DEF_TMEND	"18:00:00"


/* Using 'do ... while' makes this macro safer to use (trailing semicolon) */
#define CLOSE_ALL(_fd_)		do {		\
				close(_fd_[0]); \
				close(_fd_[1]); \
				} while (0)

#define CLOSE(_fd_)		if (_fd_ >= 0)	\
				close(_fd_)

#define SREALLOC(S, TYPE, SIZE)	do {							\
   				   TYPE *p;						\
				   p = S;						\
   				   if ((S = (TYPE *) realloc(S, (SIZE))) == NULL) {	\
				      perror("realloc");				\
				      exit(4);						\
				   }							\
   				   if (!p)						\
      				      memset(S, 0, (SIZE));				\
				} while (0)

/* Functions */
extern int	    check_disk_reg(struct file_hdr *, struct disk_stats * [],
				   short, short, int);
extern unsigned int check_iface_reg(struct file_hdr *,
				    struct stats_net_dev * [],
				    short, short, unsigned int);
extern int	    datecmp(struct tm *, struct tstamp *);
unsigned long long  get_per_cpu_interval(struct stats_one_cpu *,
					 struct stats_one_cpu *);
extern char	   *get_devname(unsigned int, unsigned int, int);
extern void	    init_bitmap(unsigned char [], unsigned char, unsigned int);
extern void	    init_stats(struct file_stats [], unsigned int [][NR_IRQS]);
extern int	    next_slice(unsigned long long, unsigned long long,
			       struct file_hdr *, int, long);
extern int	    parse_sar_opt(char * [], int, unsigned int *,
				  unsigned int *, short *, int,
				  unsigned char [], unsigned char []);
extern int	    parse_sar_I_opt(char * [], int *, unsigned int *, short *,
				    unsigned char []);
extern int	    parse_sa_P_opt(char * [], int *, unsigned int *, short *,
				   unsigned char []);
extern int	    parse_sar_n_opt(char * [], int *, unsigned int *, short *);
extern int	    parse_timestamp(char * [], int *, struct tstamp *,
				    const char *);
extern void	    prep_file_for_reading(int *, char *, struct file_hdr *,
					  unsigned int *, unsigned int);
extern void	    get_itv_value(struct file_stats *, struct file_stats *,
				  unsigned int, unsigned long long *,
				  unsigned long long *);
extern void	    print_report_hdr(unsigned short, unsigned int,
				     struct tm *, struct file_hdr *);
extern int	    sa_fread(int, void *, int, int);
extern void	    salloc_cpu_array(struct stats_one_cpu * [], unsigned int);
extern void	    salloc_disk_array(struct disk_stats * [], int);
extern void	    salloc_irqcpu_array(struct stats_irq_cpu * [],
					unsigned int, unsigned int);
extern void	    salloc_net_dev_array(struct stats_net_dev * [],
					 unsigned int);
extern void	    salloc_serial_array(struct stats_serial * [], int);

#endif  /* _SA_H */