On Sun, Mar 02, 2008 at 07:39:22AM +0000, Jeff Roberson wrote:
> jeff 2008-03-02 07:39:22 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/conf files
> sys/kern init_main.c kern_thread.c syscalls.master
> sys/sys _types.h types.h proc.h
> lib/libc/sys Symbol.map
> Added files:
> sys/kern kern_cpuset.c
> sys/sys cpuset.h
> Log:
> Add cpuset, an api for thread to cpu binding and cpu resource grouping
> and assignment.
> - Add a reference to a struct cpuset in each thread that is inherited from
> the thread that created it.
> - Release the reference when the thread is destroyed.
> - Add prototypes for syscalls and macros for manipulating cpusets in
> sys/cpuset.h
> - Add syscalls to create, get, and set new numbered cpusets:
> cpuset(), cpuset_{get,set}id()
> - Add syscalls for getting and setting affinity masks for cpusets or
> individual threads: cpuid_{get,set}affinity()
> - Add types for the 'level' and 'which' parameters for the cpuset. This
> will permit expansion of the api to cover cpu masks for other objects
> identifiable with an id_t integer. For example, IRQs and Jails may be
> coming soon.
> - The root set 0 contains all valid cpus. All thread initially belong to
> cpuset 1. This permits migrating all threads off of certain cpus to
> reserve them for special applications.
>
> Sponsored by: Nokia
> Discussed with: arch, rwatson, brooks, davidxu, deischen
> Reviewed by: antoine
>
> Revision Changes Path
> 1.10 +15 -0 src/lib/libc/sys/Symbol.map
> 1.1275 +1 -0 src/sys/conf/files
> 1.291 +2 -0 src/sys/kern/init_main.c
> 1.1 +907 -0 src/sys/kern/kern_cpuset.c (new)
> 1.266 +5 -1 src/sys/kern/kern_thread.c
> 1.238 +13 -0 src/sys/kern/syscalls.master
> 1.24 +3 -0 src/sys/sys/_types.h
> 1.1 +146 -0 src/sys/sys/cpuset.h (new)
> 1.504 +2 -1 src/sys/sys/proc.h
> 1.98 +4 -0 src/sys/sys/types.hIs the ommission of the 32-bits compat syscalls intended ?
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