hists__add_entry_ops
he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
if (!hists__add_entry_ops(hists, &block_hist_ops, &al, NULL,
he = hists__add_entry_ops(&kvm_hists.hists, &kvm_ev_entry_ops,
struct hist_entry *hists__add_entry_ops(struct hists *hists,