Function rte_power_init

dpdk/lib/power/rte_power.c:175–234

}

int
rte_power_init(unsigned int lcore_id)
{
	int ret = -1;

	switch (global_default_env) {
	case PM_ENV_ACPI_CPUFREQ:
		return power_acpi_cpufreq_init(lcore_id);
	case PM_ENV_KVM_VM:
		return power_kvm_vm_init(lcore_id);
	case PM_ENV_PSTATE_CPUFREQ:
		return power_pstate_cpufreq_init(lcore_id);
	case PM_ENV_CPPC_CPUFREQ:
		return power_cppc_cpufreq_init(lcore_id);
	case PM_ENV_AMD_PSTATE_CPUFREQ:
		return power_amd_pstate_cpufreq_init(lcore_id);
	default:
		RTE_LOG(INFO, POWER, "Env isn't set yet!\n");
	}

	/* Auto detect Environment */
	RTE_LOG(INFO, POWER, "Attempting to initialise ACPI cpufreq power management...\n");
	ret = power_acpi_cpufreq_init(lcore_id);
	if (ret == 0) {
		rte_power_set_env(PM_ENV_ACPI_CPUFREQ);
		goto out;
	}

	RTE_LOG(INFO, POWER, "Attempting to initialise PSTAT power management...\n");
	ret = power_pstate_cpufreq_init(lcore_id);
	if (ret == 0) {
		rte_power_set_env(PM_ENV_PSTATE_CPUFREQ);
		goto out;
	}

	RTE_LOG(INFO, POWER, "Attempting to initialise AMD PSTATE power management...\n");
	ret = power_amd_pstate_cpufreq_init(lcore_id);
	if (ret == 0) {
		rte_power_set_env(PM_ENV_AMD_PSTATE_CPUFREQ);
		goto out;
	}

	RTE_LOG(INFO, POWER, "Attempting to initialise CPPC power management...\n");
	ret = power_cppc_cpufreq_init(lcore_id);
	if (ret == 0) {
		rte_power_set_env(PM_ENV_CPPC_CPUFREQ);
		goto out;
	}

	RTE_LOG(INFO, POWER, "Attempting to initialise VM power management...\n");
	ret = power_kvm_vm_init(lcore_id);
	if (ret == 0) {
		rte_power_set_env(PM_ENV_KVM_VM);
		goto out;
	}
	RTE_LOG(ERR, POWER, "Unable to set Power Management Environment for lcore "
			"%u\n", lcore_id);
out: