[lkml]   [2011]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [RFC] Add Arm cpu topology definition

    Vincent Guittot, le Thu 16 Jun 2011 10:49:13 +0200, a écrit :
    > The affinity between Arm processors is defined in the MPIDR register.
    > We can identify which processors are in the same cluster,
    > and which ones have performance interdependency. The cpu topology
    > of an Arm platform can be set thanks to this register and this topology
    > is then used by sched_mc and sched_smt.

    Cool! Could you check that the hwloc tool gets also gets this
    information from userland through /sys, and/or send me the output of the
    hwloc-gather-topology tool from hwloc so we can add an testcase for

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2011-06-16 11:05    [W:0.022 / U:26.764 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site