hardware: Do not scale CPU frequency for niced processes

[chef.git] / cookbooks / hardware / attributes / default.rb

diff --git a/cookbooks/hardware/attributes/default.rb b/cookbooks/hardware/attributes/default.rb
index 174190f3fc42b923883708d833bd5dbf2cf16b65..78ec107c7a08ea5c290d655cf504802838de2f19 100644 (file)
--- a/cookbooks/hardware/attributes/default.rb
+++ b/cookbooks/hardware/attributes/default.rb
@@ -1,19 +1,27 @@
-default[:hardware][:modules] = %w(loop lp rtc)
+default[:hardware][:modules] = %w[lp]
+default[:hardware][:blacklisted_modules] = %w[]
+default[:hardware][:grub][:cmdline] = %w[nomodeset]
 default[:hardware][:sensors] = {}
+default[:hardware][:hwmon] = {}
+default[:hardware][:ipmi][:excluded_sensors] = []
+default[:hardware][:ipmi][:custom_args] = []
 
 if node[:dmi] && node[:dmi][:system]
-  case dmi.system.manufacturer
+  case node[:dmi][:system][:manufacturer]
   when "HP"
-    default[:apt][:sources] |= ["management-component-pack"]
-
-    case dmi.system.product_name
-    when "ProLiant DL360 G6", "ProLiant DL360 G7"
+    case node[:dmi][:system][:product_name]
+    when "ProLiant DL360 G6", "ProLiant DL360 G7", "ProLiant SE326M1R2"
       default[:hardware][:sensors][:"power_meter-*"][:power][:power1] = { :ignore => true }
     end
+
+    case node[:dmi][:system][:product_name]
+    when "ProLiant DL360 G6", "ProLiant DL360 G7", "ProLiant SE326M1R2", "ProLiant DL360e Gen8", "ProLiant DL360p Gen8"
+      default[:hardware][:ipmi][:custom_args] |= ["--workaround-flags=discretereading"]
+    end
   end
 end
 
-if Chef::Util.compare_versions(node[:kernel][:release], [3, 3]) < 0
+if Chef::Util.compare_versions(node[:kernel][:release], [3, 3]).negative?
   default[:hardware][:modules] |= ["microcode"]
 
   if node[:cpu][:"0"][:vendor_id] == "GenuineIntel"
@@ -21,16 +29,12 @@ if Chef::Util.compare_versions(node[:kernel][:release], [3, 3]) < 0
   end
 end
 
-if node[:kernel] && node[:kernel][:modules]
-  raidmods = node[:kernel][:modules].keys & %w(cciss hpsa mptsas mpt2sas megaraid_mm megaraid_sas aacraid)
-
-  unless raidmods.empty?
-    default[:apt][:sources] |= ["hwraid"]
-  end
-end
-
 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")
@@ -38,3 +42,21 @@ if File.exist?("/proc/xen")
 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"
+
+  energy_perf_bias.sort.each do |path|
+    default[:sysfs][:cpu_power_energy_perf_bias][:parameters][path.sub(%r{^/sys/}, "")] = "4"
+  end
+end