perf_session__register_idle_thread 1235 tools/perf/builtin-top.c 	if (perf_session__register_idle_thread(top->session) < 0)
perf_session__register_idle_thread 2214 tools/perf/util/session.c 	if (perf_session__register_idle_thread(session) < 0)
perf_session__register_idle_thread  102 tools/perf/util/session.h int perf_session__register_idle_thread(struct perf_session *session);