32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From acb0c2057952fa8bb502bf6b4222b327efe44c4c Mon Sep 17 00:00:00 2001
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From: Kairui Song <kasong@redhat.com>
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Date: Mon, 26 Oct 2020 17:26:52 +0800
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Subject: [PATCH] Add some examples for IRQBALANCE_BANNED_CPUS
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Signed-off-by: Kairui Song <kasong@redhat.com>
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---
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irqbalance.1 | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/irqbalance.1 b/irqbalance.1
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index d272b6f..330c12b 100644
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--- a/irqbalance.1
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+++ b/irqbalance.1
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@@ -157,6 +157,13 @@ Same as --debug.
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Provides a mask of CPUs which irqbalance should ignore and never assign interrupts to.
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If not specified, irqbalance use mask of isolated and adaptive-ticks CPUs on the
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system as the default value.
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+This is a hexmask without the leading ’0x’. On systems with large numbers of
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+processors, each group of eight hex digits is separated by a comma ’,’. i.e.
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+‘export IRQBALANCE_BANNED_CPUS=fc0‘ would prevent irqbalance from assigning irqs
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+to the 7th-12th cpus (cpu6-cpu11) or ‘export IRQBALANCE_BANNED_CPUS=ff000000,00000001‘
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+would prevent irqbalance from assigning irqs to the 1st (cpu0) and 57th-64th cpus
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+(cpu56-cpu63).
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+
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.SH "SIGNALS"
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.TP
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--
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2.28.0
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