-if node[:kernel] and node[:kernel][:modules]
- raidmods = node[:kernel][:modules].keys & ["cciss", "hpsa", "mptsas", "mpt2sas", "megaraid_mm", "megaraid_sas", "aacraid"]
+if node[:kernel][:modules].include?("ipmi_si")
+ default[:hardware][:modules] |= ["ipmi_devintf"]
+
+ if node[:kernel][:modules].include?("acpi_power_meter")
+ default[:hardware][:modules] |= ["acpi_ipmi"]
+ end
+end
+
+if File.exist?("/proc/xen")
+ default[:hardware][:watchdog] = "xen_wdt"
+elsif node[:kernel][:modules].include?("i6300esb")
+ default[:hardware][:watchdog] = "none"
+end
+
+if File.exist?("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor") &&
+ File.read("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor").chomp == "ondemand"
+ default[:sysfs][:cpufreq_ondemand][:comment] = "Tune the ondemand CPU frequency governor"
+ default[:sysfs][:cpufreq_ondemand][:parameters][:"devices/system/cpu/cpufreq/ondemand/up_threshold"] = "25"
+ default[:sysfs][:cpufreq_ondemand][:parameters][:"devices/system/cpu/cpufreq/ondemand/sampling_down_factor"] = "100"
+ default[:sysfs][:cpufreq_ondemand][:parameters][:"devices/system/cpu/cpufreq/ondemand/ignore_nice_load"] = "1"
+end
+
+energy_perf_bias = Dir.glob("/sys/devices/system/cpu/cpu*/power/energy_perf_bias")
+
+unless energy_perf_bias.empty?
+ default[:sysfs][:cpu_power_energy_perf_bias][:comment] = "Set CPU Energy-Performance Bias Preference to balance-performance"