Date: Sat, 1 Mar 2008 22:05:38 -1000 (HST) From: Jeff Roberson <jroberson@chesapeake.net> To: Jeff Roberson <jeff@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c mp_machdep.c src/sys/i386/include smp.h src/sys/ia64/ia64 mp_machdep.c src/sys/kern sched_ule.c subr_smp.c ... Message-ID: <20080301220410.P920@desktop> In-Reply-To: <200803020758.m227wgH9040483@repoman.freebsd.org> References: <200803020758.m227wgH9040483@repoman.freebsd.org>
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On Sun, 2 Mar 2008, Jeff Roberson wrote: > jeff 2008-03-02 07:58:42 UTC > > FreeBSD src repository > > Modified files: > sys/amd64/amd64 identcpu.c mp_machdep.c > sys/amd64/include smp.h > sys/i386/i386 identcpu.c mp_machdep.c > sys/i386/include smp.h > sys/ia64/ia64 mp_machdep.c > sys/kern sched_ule.c subr_smp.c > sys/powerpc/powerpc mp_machdep.c > sys/sparc64/sparc64 mp_machdep.c > sys/sun4v/sun4v mp_machdep.c > sys/sys smp.h > Log: > - Remove the old smp cpu topology specification with a new, more flexible > tree structure that encodes the level of cache sharing and other Should read 'replace'. > properties. > - Provide several convenience functions for creating one and two level > cpu trees as well as a default flat topology. The system now always > has some topology. > - On i386 and amd64 create a seperate level in the hierarchy for HTT > and multi-core cpus. This will allow the scheduler to intelligently > load balance non-uniform cores. Presently we don't detect what level > of the cache hierarchy is shared at each level in the topology. s/seperate/separate/ Hopefully I coded better than I spelled. Thanks, Jeff > - Add a mechanism for testing common topologies that have more information > than the MD code is able to provide via the kern.smp.topology tunable. > This should be considered a debugging tool only and not a stable api. > > Sponsored by: Nokia > > Revision Changes Path > 1.158 +7 -1 src/sys/amd64/amd64/identcpu.c > 1.288 +30 -41 src/sys/amd64/amd64/mp_machdep.c > 1.92 +4 -1 src/sys/amd64/include/smp.h > 1.184 +6 -1 src/sys/i386/i386/identcpu.c > 1.283 +30 -41 src/sys/i386/i386/mp_machdep.c > 1.91 +4 -1 src/sys/i386/include/smp.h > 1.68 +7 -0 src/sys/ia64/ia64/mp_machdep.c > 1.225 +1 -64 src/sys/kern/sched_ule.c > 1.204 +188 -14 src/sys/kern/subr_smp.c > 1.14 +7 -0 src/sys/powerpc/powerpc/mp_machdep.c > 1.37 +7 -0 src/sys/sparc64/sparc64/mp_machdep.c > 1.9 +7 -0 src/sys/sun4v/sun4v/mp_machdep.c > 1.87 +32 -9 src/sys/sys/smp.h >
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