execfreq->hook.context = execfreq;
execfreq->hook.hook._hook_node_info = exec_freq_node_info;
register_hook(hook_node_info, &execfreq->hook);
execfreq->hook.context = execfreq;
execfreq->hook.hook._hook_node_info = exec_freq_node_info;
register_hook(hook_node_info, &execfreq->hook);