do_zoom_thread   2475 tools/perf/ui/browsers/hists.c 	act->fn = do_zoom_thread;
do_zoom_thread   2964 tools/perf/ui/browsers/hists.c 			do_zoom_thread(browser, actions);
do_zoom_thread   3067 tools/perf/ui/browsers/hists.c 				do_zoom_thread(browser, actions);