static void power_limit_state_save()

in intel_rapl_common.c [1412:1451]

• 39 lines of code
• 9 McCabe index (conditional complexity)

static void power_limit_state_save(void)
{
	struct rapl_package *rp;
	struct rapl_domain *rd;
	int nr_pl, ret, i;

	cpus_read_lock();
	list_for_each_entry(rp, &rapl_packages, plist) {
		if (!rp->power_zone)
			continue;
		rd = power_zone_to_rapl_domain(rp->power_zone);
		nr_pl = find_nr_power_limit(rd);
		for (i = 0; i < nr_pl; i++) {
			switch (rd->rpl[i].prim_id) {
			case PL1_ENABLE:
				ret = rapl_read_data_raw(rd,
						 POWER_LIMIT1, true,
						 &rd->rpl[i].last_power_limit);
				if (ret)
					rd->rpl[i].last_power_limit = 0;
				break;
			case PL2_ENABLE:
				ret = rapl_read_data_raw(rd,
						 POWER_LIMIT2, true,
						 &rd->rpl[i].last_power_limit);
				if (ret)
					rd->rpl[i].last_power_limit = 0;
				break;
			case PL4_ENABLE:
				ret = rapl_read_data_raw(rd,
						 POWER_LIMIT4, true,
						 &rd->rpl[i].last_power_limit);
				if (ret)
					rd->rpl[i].last_power_limit = 0;
				break;
			}
		}
	}
	cpus_read_unlock();
}