Hi, maybe [1] and [2]/[3]? [2]/[3] however states "On $::osfamily == 'RedHat', no attempt is made to manage /etc/sysconfig/irqbalance. This is arguably a bug."
BR, Konstantin [1] https://github.com/camptocamp/puppet-systemd [2] https://forge.puppet.com/jhoblitt/irqbalance [3] https://github.com/jhoblitt/puppet-irqbalance > -----Original Message----- > From: Saravanan KR [mailto:[email protected]] > Sent: Monday, August 08, 2016 12:08 PM > To: OpenStack Development Mailing List (not for usage questions) <openstack- > [email protected]> > Subject: [openstack-dev] [puppet] [tripleo] Host configuration for CPUAffinity > and IRQ Pinning > > Hello, > > For using DPDK, CPUs on compute host has to be isolated between Host, DPDK > PMD and Guests. In order, to configure the host to use only specified CPUs, > the > CPUAffinity [1] configuration in /etc/systemd/system.conf needs to be used. > Along with CPUAffinity, IRQ repining[2] needs to be done, to pin the interrupt > requests to the CPUs dedicated to host processes. > > We are planning to do the changes for configuring CPUAffinity and IRQ repining > via puppet. We couldn't relate this configuration to any existing module. > Could > you please help us with the direction to enable these configurations? > > Regards, > Saravanan KR > > > Note: It is possible to use isolcpus via grub parameter, but it has > implications [3] > on load balancing. So it is recommended to use CPUAffinity to restrict CPUs > for > host process. > > [1] https://www.freedesktop.org/software/systemd/man/systemd- > system.conf.html#CPUAffinity= > [2] https://access.redhat.com/documentation/en- > US/Red_Hat_Enterprise_MRG/1.3/html/Realtime_Tuning_Guide/sect- > Realtime_Tuning_Guide-General_System_Tuning- > Interrupt_and_Process_Binding.html > [3] https://lists.freedesktop.org/archives/systemd-devel/2016-July/037187.html > > _________________________________________________________________ > _________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: [email protected]?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
