perf_set_singlethreaded 3572 tools/perf/builtin-script.c 	perf_set_singlethreaded();
perf_set_singlethreaded 1257 tools/perf/builtin-top.c 		perf_set_singlethreaded();
perf_set_singlethreaded   48 tools/perf/util/util.h void perf_set_singlethreaded(void);