activity_data_t
static void keep_activity_data(activity_data_t **, activity_data_t **,
static int check_activity(activity_data_t *, int, hrtime_t *, int);
keep_activity_data(activity_data_t **act_start, activity_data_t **act_end,
activity_data_t *node = NULLACTIVITY;
safe_zalloc((void **)&node, sizeof (activity_data_t), 0);
#define NULLACTIVITY (activity_data_t *)0
check_activity(activity_data_t *act_start, int delta_sum, hrtime_t *time,
activity_data_t *node;
static activity_data_t *disk_act_start = NULLACTIVITY;
static activity_data_t *disk_act_end = NULLACTIVITY;
static activity_data_t *tty_act_start = NULLACTIVITY;
static activity_data_t *tty_act_end = NULLACTIVITY;
static activity_data_t *nfs_act_start = NULLACTIVITY;
static activity_data_t *nfs_act_end = NULLACTIVITY;