Re: [CentOS] Why is irqbalance not balancing?

2015-03-29 Thread miguelmedalha
Maybe this utility will be useful to you. http://www.open-mpi.org/projects/hwloc/ Portable Hardware Locality (hwloc) "The Portable Hardware Locality (hwloc) software package provides a portable abstraction (across OS, versions, architectures, ...) of the hierarchical topology of modern archi

Re: [CentOS] Why is irqbalance not balancing?

2015-03-29 Thread James Pearson
Steve Snyder wrote: > I am running irqbalance with default configuration on an Atom 330 machine. > This CPU has 2 physical cores + 2 SMT (aka Hyperthreading) cores. > > As shown below the interrupt for the eth0 device is always on CPUs 0 and 1, > with CPUs 2 and 3 left idle. But why? > > Maybe ir

[CentOS] Why is irqbalance not balancing?

2015-03-28 Thread Steve Snyder
I am running irqbalance with default configuration on an Atom 330 machine. This CPU has 2 physical cores + 2 SMT (aka Hyperthreading) cores. As shown below the interrupt for the eth0 device is always on CPUs 0 and 1, with CPUs 2 and 3 left idle. But why? Maybe irqbalance prefers physical co