update_min
update_min(&data->hist[cpu].min_sample, &duration);
update_min(&data->hist[cpu].min_irq, &latency);
update_min(&data->hist[cpu].min_thread, &latency);
update_min(&data->hist[cpu].min_user, &latency);
update_min(&sum.min_irq, &cpu_data->min_irq);
update_min(&sum.min_thread, &cpu_data->min_thread);
update_min(&sum.min_user, &cpu_data->min_user);
update_min(&sum->min_irq, &cpu_data->min_irq);
update_min(&sum->min_thread, &cpu_data->min_thread);
update_min(&sum->min_user, &cpu_data->min_user);
update_min(&cpu_data->min_irq, &latency);
update_min(&cpu_data->min_thread, &latency);
update_min(&cpu_data->min_user, &latency);