Infra: AWS Update to Ubuntu 20.04

[csit.git] / resources / tools / testbed-setup / ansible / roles / performance_tuning / files / irqbalance

diff --git a/resources/tools/testbed-setup/ansible/roles/performance_tuning/files/irqbalance b/resources/tools/testbed-setup/ansible/roles/performance_tuning/files/irqbalance
index 84fb5f1..861be02 100644 (file)
--- a/resources/tools/testbed-setup/ansible/roles/performance_tuning/files/irqbalance
+++ b/resources/tools/testbed-setup/ansible/roles/performance_tuning/files/irqbalance
@@ -1,6 +1,25 @@
-#Configuration for the irqbalance daemon
- 
-#Should irqbalance be enabled?
-ENABLED="0"
-#Balance the IRQs only once?
-ONESHOT="0"
+# irqbalance is a daemon process that distributes interrupts across
+# CPUS on SMP systems.  The default is to rebalance once every 10
+# seconds.  This is the environment file that is specified to systemd via the
+# EnvironmentFile key in the service unit file (or via whatever method the init
+# system you're using has.
+#
+# ONESHOT=yes
+#    after starting, wait for a minute, then look at the interrupt
+#    load and balance it once; after balancing exit and do not change
+#    it again.
+#IRQBALANCE_ONESHOT=
+
+#
+# IRQBALANCE_BANNED_CPUS
+#    64 bit bitmask which allows you to indicate which cpu's should
+#    be skipped when reblancing irqs.  Cpu numbers which have their
+#    corresponding bits set to one in this mask will not have any
+#    irq's assigned to them on rebalance
+#
+IRQBALANCE_BANNED_CPUS="{{ ansible_processor_cores | irqbalance_banned_cpu_mask(ansible_processor_count, ansible_processor_threads_per_core) }}"
+#
+# IRQBALANCE_ARGS
+#    append any args here to the irqbalance daemon as documented in the man page
+#
+#IRQBALANCE_ARGS=