perf_home_perfconfig
else if (perf_config_global() && perf_home_perfconfig())
daemon->config_real = strdup(perf_home_perfconfig());
if (perf_config_global() && perf_home_perfconfig()) {
if (perf_config_from_file(collect_config, perf_home_perfconfig(), set) < 0)
const char *perf_home_perfconfig(void);