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--- realtime:documentation:howto:tools:cpu-partitioning:irqaffinity [2023/09/28 09:02]
costa.shul References
+++ realtime:documentation:howto:tools:cpu-partitioning:irqaffinity [2023/10/02 13:19] (current)
costa.shul +Default IRQ affinity
@@ Line 1: / Line 1: @@
-====== irqaffinity ======
+====== Default IRQ affinity ======
 The ''irqaffinity'' kernel parameter can be used to specify a
-set of CPUs which are allowed to handle the incoming IRQs. The
+default set of CPUs which are allowed to handle the incoming IRQs. The
 parameter argument is a CPU list:
@@ Line 9: / Line 8: @@
-===== References ======
+References:
   * [[https://docs.kernel.org/admin-guide/kernel-parameters.html#cpu-lists|cpu lists in The kernel's command-line parameters]]
   * [[https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/kernel/irq/irqdesc.c|kernel/irq/irqdesc.c]]
-  * [[https://elixir.bootlin.com/linux/latest/A/ident/irq_default_affinity|irq_default_affinity]]
+  * see ''irq_default_affinity'' in the sources
+  * see ''/proc/irq/default_smp_affinity'' in [[https://docs.kernel.org/core-api/irq/irq-affinity.html|SMP IRQ affinity]]
+  * [[realtime:documentation:howto:tools:cpu-partitioning:procfs|smp_affinity in procfs]]

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