usr.bin/top/machine.h

   1 /*
   2  */
   3
   4 /*
   5  *  This file defines the interface between top and the machine-dependent
   6  *  module.  It is NOT machine dependent and should not need to be changed
   7  *  for any specific machine.
   8  */
   9 #ifndef MACHINE_H
  10 #define MACHINE_H
  11
  12 #include <sys/time.h>
  13 #include <sys/types.h>
  14
  15 #define NUM_AVERAGES    3
  16
  17 /* Log base 2 of 1024 is 10 (2^10 == 1024) */
  18 #define LOG1024         10
  19
  20 /*
  21  * the statics struct is filled in by machine_init
  22  */
  23 struct statics
  24 {
  25     const char * const *procstate_names;
  26     const char * const *cpustate_names;
  27     const char * const *memory_names;
  28     const char * const *arc_names;
  29     const char * const *carc_names;
  30     const char * const *swap_names;
  31     const char * const *order_names;
  32     int nbatteries;
  33     int ncpus;
  34 };
  35
  36 /*
  37  * the system_info struct is filled in by a machine dependent routine.
  38  */
  39
  40 struct system_info
  41 {
  42     int    last_pid;
  43     double load_avg[NUM_AVERAGES];
  44     int    p_total;
  45     int    p_pactive;     /* number of procs considered "active" */
  46     int    *procstates;
  47     int    *cpustates;
  48     int    *memory;
  49     int    *arc;
  50     int    *carc;
  51     int    *swap;
  52     struct timeval boottime;
  53     int    battery;
  54     int    ncpus;
  55 };
  56
  57 /*
  58  * the process_select struct tells get_process_info what processes
  59  * and information we are interested in seeing
  60  */
  61
  62 struct process_select
  63 {
  64     bool idle;          /* show idle processes */
  65     bool self;          /* show self */
  66     bool system;                /* show system processes */
  67     bool thread;                /* show threads */
  68     bool thread_id;             /* show thread ids */
  69 #define TOP_MAX_UIDS 8
  70     int uid[TOP_MAX_UIDS];      /* only these uids (unless uid[0] == -1) */
  71     bool wcpu;          /* show weighted cpu */
  72     int jid;            /* only this jid (unless jid == -1) */
  73     bool jail;          /* show jail ID */
  74     bool swap;          /* show swap usage */
  75     bool kidle;         /* show per-CPU idle threads */
  76     int pid;            /* only this pid (unless pid == -1) */
  77     char *command;      /* only this command (unless == NULL) */
  78 };
  79
  80 /* routines defined by the machine dependent module */
  81
  82 struct handle;
  83
  84 char    *format_header(const char *uname_field);
  85 char    *format_next_process(struct handle* handle, char *(*get_userid)(int),
  86             int flags);
  87 void     toggle_pcpustats(void);
  88 void     get_system_info(struct system_info *si);
  89 int      machine_init(struct statics *statics);
  90
  91 /* non-int routines typically used by the machine dependent module */
  92 extern struct process_select ps;
  93
  94 void *
  95 get_process_info(struct system_info *si, struct process_select *sel,
  96     int (*compare)(const void *, const void *));
  97
  98 #endif /* MACHINE_H */