If you need me to add/enable any traces, or if I can facilitate the debugging in any other way, please let me know. Regards, Mohsin On Wed, Nov 18, 2015 at 10:42 AM, Mohsin Zaidi <mohsinrzaidi at gmail.com> wrote: > I'm using the irqbalance daemon with the following config file. The > only thing I've changed is the banned CPUs list, and I've banned all > but CPUs #1 and #37. Interrupts *never* go to #1, and go to #18 and > #37, even though #18 has also been banned. > > # irqbalance is a daemon process that distributes interrupts across > # CPUS on SMP systems. The default is to rebalance once every 10 > # seconds. This is the environment file that is specified to systemd via the > # EnvironmentFile key in the service unit file (or via whatever method the init > # system you're using has. > # > # ONESHOT=yes > # after starting, wait for a minute, then look at the interrupt > # load and balance it once; after balancing exit and do not change > # it again. > #IRQBALANCE_ONESHOT= > > # > # IRQBALANCE_BANNED_CPUS > # 64 bit bitmask which allows you to indicate which cpu's should > # be skipped when reblancing irqs. Cpu numbers which have their > # corresponding bits set to one in this mask will not have any > # irq's assigned to them on rebalance > # > #IRQBALANCE_BANNED_CPUS= > IRQBALANCE_BANNED_CPUS=000000ff,ffffffdf,fffffffd > > # > # IRQBALANCE_ARGS > # append any args here to the irqbalance daemon as documented in the man page > # > #IRQBALANCE_ARGS= > Regards, > Mohsin > > > On Wed, Nov 18, 2015 at 10:28 AM, Neil Horman <nhorman at tuxdriver.com> wrote: >> On Wed, Nov 18, 2015 at 10:04:56AM -0500, Mohsin Zaidi wrote: >>> Sorry about that, Neil. >>> >>> I haven't specified any hint policy in IRQBALANCE_ARGS (for the daemon). >>> Regards, >>> Mohsin >>> >> Ok, well, I'm at a bit of a loss. irqbalance, based on your output from the >> debug log, is working properly, presuming you actually listed cpus 18 and 37 as >> your only unbanned one, which you indicate is the opposite of what you've >> configured. >> >> Can you please send me the command line you use to start irqbalance? >> >> Neil >> >>> >>> On Wed, Nov 18, 2015 at 6:36 AM, Neil Horman <nhorman at tuxdriver.com> wrote: >>> > On Fri, Nov 13, 2015 at 04:39:08PM -0500, Neil Horman wrote: >>> >> On Fri, Nov 13, 2015 at 01:39:20PM -0500, Mohsin Zaidi wrote: >>> >> > Thanks for your reply, Neil. >>> >> > >>> >> > Yes, when I manually set the irq affinity to avoid #18, it works. >>> >> > >>> >> > I just downloaded and applied the latest irqbalance code, but it's >>> >> > showing the same behavior. >>> >> > >>> >> What hint policy are you using? >>> >> >>> >> Neil >>> >> >>> > Ping, any response regarding hint policy? >>> > >>> > Neil >>> > >>>
