int64_t
 hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
 {
-       struct sort_entry *se;
+       struct perf_hpp_fmt *fmt;
        int64_t cmp = 0;
 
-       list_for_each_entry(se, &hist_entry__sort_list, list) {
-               cmp = se->se_cmp(left, right);
+       perf_hpp__for_each_sort_list(fmt) {
+               cmp = fmt->cmp(left, right);
                if (cmp)
                        break;
        }
 int64_t
 hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
 {
-       struct sort_entry *se;
+       struct perf_hpp_fmt *fmt;
        int64_t cmp = 0;
 
-       list_for_each_entry(se, &hist_entry__sort_list, list) {
-               int64_t (*f)(struct hist_entry *, struct hist_entry *);
-
-               f = se->se_collapse ?: se->se_cmp;
-
-               cmp = f(left, right);
+       perf_hpp__for_each_sort_list(fmt) {
+               cmp = fmt->collapse(left, right);
                if (cmp)
                        break;
        }