From e14f9d17af2b899de3fc2a791e93f717f2b8d5b0 Mon Sep 17 00:00:00 2001

From: Kairui Song <kasong@redhat.com>

Date: Tue, 26 Feb 2019 16:26:51 +0800

Subject: [PATCH] Refine document about IRQBALANCE_BANNED_CPUS

There is no declaration about how irqbalance deal with isolated CPUs or

adaptive-ticks CPUs, and how IRQBALANCE_BANNED_CPUS will override the

behavior of auto-banning of such CPUs. Refine the document to avoid

confusion.

Signed-off-by: Kairui Song <kasong@redhat.com>

---

 irqbalance.1 | 3 ++-

 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/irqbalance.1 b/irqbalance.1

index 7e508d7..2763c29 100644

--- a/irqbalance.1

+++ b/irqbalance.1

@@ -138,6 +138,8 @@

 would prevent irqbalance from assigning irqs to the 7th-12th cpus (cpu6-cpu11) or

 ‘export IRQBALANCE_BANNED_CPUS=ff000000,00000001‘ would prevent irqbalance from

 assigning irqs to the 1st (cpu0) and 57th-64th cpus (cpu56-cpu63).

+If not specified, irqbalance use mask of isolated and adaptive-ticks CPUs on the

+system as the default value.

 .SH "SIGNALS"

 .TP

-- 

2.20.1