hmd 1917 tools/perf/util/hist.c static bool can_goto_child(struct hist_entry *he, enum hierarchy_move_dir hmd) hmd 1919 tools/perf/util/hist.c if (he->leaf || hmd == HMD_FORCE_SIBLING) hmd 1922 tools/perf/util/hist.c if (he->unfolded || hmd == HMD_FORCE_CHILD) hmd 1939 tools/perf/util/hist.c struct rb_node *__rb_hierarchy_next(struct rb_node *node, enum hierarchy_move_dir hmd) hmd 1943 tools/perf/util/hist.c if (can_goto_child(he, hmd)) hmd 546 tools/perf/util/hist.h enum hierarchy_move_dir hmd);