perf_config_bool
ptr->all_switch_events = perf_config_bool(var, value);
symbol_conf.event_group = perf_config_bool(var, value);
symbol_conf.cumulate_callchain = perf_config_bool(var, value);
rep->skip_empty = perf_config_bool(var, value);
symbol_conf.cumulate_callchain = perf_config_bool(var, value);
trace->show_tstamp = perf_config_bool(var, value);
trace->show_duration = perf_config_bool(var, value);
trace->show_arg_names = perf_config_bool(var, value);
bool new_show_zeros = perf_config_bool(var, value);
trace->show_string_prefix = perf_config_bool(var, value);
trace->opts.no_inherit = perf_config_bool(var, value);
c->val = perf_config_bool(var, value);
c->val = perf_config_bool(var, value);
c->val = perf_config_bool(var, value) ? 2 : 0;
opt->hide_src_code = perf_config_bool("hide_src_code", value);
opt->jump_arrows = perf_config_bool("jump_arrows", value);
opt->show_linenr = perf_config_bool("show_linenr", value);
opt->show_nr_jumps = perf_config_bool("show_nr_jumps", value);
symbol_conf.show_nr_samples = perf_config_bool("show_nr_samples",
symbol_conf.show_total_period = perf_config_bool("show_total_period",
opt->use_offset = perf_config_bool("use_offset", value);
symbol_conf.demangle = perf_config_bool("demangle", value);
symbol_conf.demangle_kernel = perf_config_bool("demangle_kernel", value);
if (!perf_config_bool(var, value))
symbol_conf.show_hist_headers = perf_config_bool(var, value);
perf_stat__set_big_num(perf_config_bool(var, value));
perf_stat__set_no_csv_summary(perf_config_bool(var, value));
return v ? perf_config_bool(k, v) : def;
int perf_config_bool(const char *, const char *);
pt->mispred_all = perf_config_bool(var, value);