import irqbalance-1.4.0-6.el8

SOURCES/irqbalance-1.5.0-Refine-document-about-IRQBALANCE_BANNED_CPUS.patch

@@ -0,0 +1,31 @@
+From a1abba7b070587cc5fa69597081dcc80f4addef3 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 | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/irqbalance.1 b/irqbalance.1
+index 11eb498..d272b6f 100644
+--- a/irqbalance.1
++++ b/irqbalance.1
+@@ -155,6 +155,8 @@ Same as --debug.
+ .TP
+ .B IRQBALANCE_BANNED_CPUS
+ Provides a mask of CPUs which irqbalance should ignore and never assign interrupts to.
++If not specified, irqbalance use mask of isolated and adaptive-ticks CPUs on the
++system as the default value.
+ 
+ .SH "SIGNALS"
+ .TP
+-- 
+2.28.0
+

SOURCES/irqbalance-1.7.0-Add-some-examples-for-IRQBALANCE_BANNED_CPUS.patch

@@ -0,0 +1,31 @@
+From acb0c2057952fa8bb502bf6b4222b327efe44c4c Mon Sep 17 00:00:00 2001
+From: Kairui Song <kasong@redhat.com>
+Date: Mon, 26 Oct 2020 17:26:52 +0800
+Subject: [PATCH] Add some examples for IRQBALANCE_BANNED_CPUS
+
+Signed-off-by: Kairui Song <kasong@redhat.com>
+---
+ irqbalance.1 | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/irqbalance.1 b/irqbalance.1
+index d272b6f..330c12b 100644
+--- a/irqbalance.1
++++ b/irqbalance.1
+@@ -157,6 +157,13 @@ Same as --debug.
+ Provides a mask of CPUs which irqbalance should ignore and never assign interrupts to.
+ If not specified, irqbalance use mask of isolated and adaptive-ticks CPUs on the
+ system as the default value.
++This is a hexmask without the leading ’0x’. On systems with large numbers of
++processors, each group of eight hex digits is separated by a comma ’,’. i.e.
++‘export IRQBALANCE_BANNED_CPUS=fc0‘ 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).
++
+ 
+ .SH "SIGNALS"
+ .TP
+-- 
+2.28.0
+

SOURCES/irqbalance-1.7.0-Also-fetch-node-info-for-non-PCI-devices.patch

@@ -0,0 +1,30 @@
+From a1f83a563475bd77843c4b44ee44a7d764bc9bba Mon Sep 17 00:00:00 2001
+From: Kairui Song <kasong@redhat.com>
+Date: Thu, 28 Jan 2021 15:24:32 +0800
+Subject: [PATCH] Also fetch node info for non-PCI devices
+
+non-PCI devices could also be bind to a certain node. So if failed to
+fetch the info from sysfs, try to get it from /proc/irq/<irq>/node.
+---
+ classify.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/classify.c b/classify.c
+index df8a89b..92f43cc 100644
+--- a/classify.c
++++ b/classify.c
+@@ -395,7 +395,10 @@ static struct irq_info *add_one_irq_to_db(const char *devpath, int irq, struct u
+ get_numa_node:
+ 	numa_node = -1;
+ 	if (numa_avail) {
+-		sprintf(path, "%s/numa_node", devpath);
++		if (devpath)
++			sprintf(path, "%s/numa_node", devpath);
++		else
++			sprintf(path, "/proc/irq/%i/node", irq);
+ 		fd = fopen(path, "r");
+ 		if (fd) {
+ 			fscanf(fd, "%d", &numa_node);
+-- 
+2.29.2
+

SPECS/irqbalance.spec

@@ -1,6 +1,6 @@
 Name:           irqbalance
 Version:        1.4.0
-Release:        4%{?dist}
+Release:        6%{?dist}
 Epoch:          2
 Summary:        IRQ balancing daemon
 
@@ -30,6 +30,9 @@ Patch4: irqbalance-1.5.0-Don-t-leak-socket-fd-on-connection-error.patch
 Patch5: irqbalance-1.4.0-procinterrupts-check-xen-dyn-event-more-flexible.patch
 Patch6: irqbalance-1.5.0-Update-document-and-remove-dead-options.patch
 Patch7: irqbalance-1.4.0-Fix-ambiguous-parsing-of-node-entries-in-sys.patch
+Patch8: irqbalance-1.5.0-Refine-document-about-IRQBALANCE_BANNED_CPUS.patch
+Patch9: irqbalance-1.7.0-Add-some-examples-for-IRQBALANCE_BANNED_CPUS.patch
+Patch10: irqbalance-1.7.0-Also-fetch-node-info-for-non-PCI-devices.patch
 
 %description
 irqbalance is a daemon that evenly distributes IRQ load across
@@ -44,6 +47,9 @@ multiple CPUs for enhanced performance.
 %patch5 -p1
 %patch6 -p1
 %patch7 -p1
+%patch8 -p1
+%patch9 -p1
+%patch10 -p1
 
 %build
 ./autogen.sh
@@ -84,6 +90,12 @@ fi
 /sbin/chkconfig --del irqbalance >/dev/null 2>&1 || :
 
 %changelog
+* Fri Jan 29 2021 Kairui Song <kasong@redhat.com> 2:1.4.0-6
+- Also fetch node info for non-PCI devices
+
+* Wed Nov 04 2020 Kairui Song <kasong@redhat.com> 2:1.4.0-5
+- Add some examples for IRQBALANCE_BANNED_CPUS (bz1730546)
+
 * Wed Jul 31 2019 Kairui Song <kasong@redhat.com> 2:1.4.0-4
 - Fix ambiguous parsing of *node* entries in /sys. (bz1730546)