st.d

#!/usr/sbin/dtrace -s
#pragma D option quiet

typedef struct st_table {
    struct st_hash_type *type;
    int num_bins;
    int num_entries;
    struct st_table_entry **bins;
} st_table_t;

translator st_table_t < struct st_table *ST > { 
    type = (struct st_hash_type *)ST->type; 
    num_bins = *(int *)copyin((uintptr_t)&ST->num_bins, sizeof (int));
    num_entries = *(int *)copyin((uintptr_t)&ST->num_entries, sizeof (int));
    bins = (struct st_table_entry **)ST->bins;
};

pid$target::st_lookup:entry {
	self->bins = (xlate < st_table_t * > (((st_table_t *)arg0)))->num_bins;
	self->entries = (xlate < st_table_t * > (((st_table_t *)arg0)))->num_entries;
    printf("\nKey %d, value %d, bins %d, entries %d\n", arg1, *(uint32_t *)copyin(arg2, 4), self->bins, self->entries); 
}