[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:0.103 / U:9.568 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site