hists_pair 672 tools/perf/builtin-diff.c struct hists *hists_pair) hists_pair 674 tools/perf/builtin-diff.c struct rb_root_cached *root = hists_pair->entries_in; hists_pair 704 tools/perf/builtin-diff.c struct hists *hists_pair) hists_pair 712 tools/perf/builtin-diff.c struct hist_entry *pair = get_block_pair(he, hists_pair);