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misc improve comments in env file Aug 27, 2019
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.gitignore irqbalance: Misc build enhancements Mar 26, 2012
.travis.yml Dump the log to the console May 14, 2018
AUTHORS Add autotools scripts to irqbalance Sep 1, 2009
COPYING Adding missing configure files Oct 2, 2009
Makefile.am Add irqbalance-ui.1 to dist_man_MANS Jul 23, 2019
README.md Clarify the README description Jul 4, 2019
activate.c some variable and judgement are unnecessary in activate_mappings Jul 15, 2019
autogen.sh Make sure the m4 directory is created in autogen.sh Jun 20, 2012
bitmap.c import __bitmap_parselist from Linux kernel Mar 12, 2015
bitmap.h import __bitmap_parselist from Linux kernel Mar 12, 2015
classify.c use policy prior to the default values Jul 11, 2019
configure.ac Update version in configure.ac May 22, 2019
constants.h Compute load in nanoseconds Feb 18, 2013
cpumask.h fix cpulist_parse definition to match bitmap_parselist and kernel Mar 12, 2015
cputree.c fix balancing when numa information isn't available Feb 26, 2019
irqbalance-ui.1 Add stub manpage for irqbalance-ui Jul 21, 2019
irqbalance.1 Capitalize HOMEPAGE in irqbalance.1 Jul 21, 2019
irqbalance.c * fix the pid file generates too late problem Sep 9, 2019
irqbalance.h fix socket path creation Jan 14, 2019
irqlist.c Fix min_load to pick actual min load across all objects Nov 15, 2017
non-atomic.h initial import Dec 9, 2006
numa.c Fix ambiguous parsing of *node* entries in /sys. Oct 18, 2018
placement.c fix balancing when numa information isn't available Feb 26, 2019
procinterrupts.c fix guess_arm_irq_hints Aug 29, 2019
types.h Types: clean out unused variables from irq_info struct Aug 8, 2017

README.md

What is Irqbalance

Irqbalance is a daemon to help balance the cpu load generated by interrupts across all of a systems cpus. Irqbalance identifies the highest volume interrupt sources, and isolates each of them to a single unique cpu, so that load is spread as much as possible over an entire processor set, while minimizing cache miss rates for irq handlers.

Building and Installing Build Status

./autogen.sh
./configure [options]
make
make install

Developing Irqbalance

Irqbalance is currently hosted on github, and so developers are welcome to use the issue/pull request/etc infrastructure found there. However, most development discussions take place on the irqbalance mailing list, which can be subscribed to at: http://lists.infradead.org/mailman/listinfo/irqbalance

New Developers are encouraged to use this mailing list to discuss ideas and propose patches.

Bug reporting

When something goes wrong, feel free to send us bugreport by one of the ways described above. Your report should include:

  • Irqbalance version you've been using (or commit hash)
  • /proc/interrupts output
  • irqbalance --debug output
  • content of smp_affinity files - can be obtained by e.g.: $ for i in $(seq 0 300); do grep . /proc/irq/$i/smp_affinity /dev/null 2>/dev/null; done
  • your hw hierarchy - e.g. lstopo-no-graphics output
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