Messages in this thread | | | Date | Mon, 30 Jan 2006 15:43:28 -0500 | From | Prarit Bhargava <> | Subject | Re: boot-time slowdown for measure_migration_cost |
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Tony,
> > > Might it be wise to see whether the 2% variation that I saw can be > repeated on some other architecture? Can someone else try > this patch and post the before/after values for migration_cost from dmesg? >
Ask and ye shall receive ... on the 64p/64G system.
Pristine:
[ 9.942253] Brought up 64 CPUs [ 9.942904] Total of 64 processors activated (143654.91 BogoMIPS). [ 9.943995] build_sched_domains: start [ 32.108439] migration_cost=0,32232,39021 [ 37.894391] build_sched_domains: end
Patched:
[ 0.001307] Calibrating delay loop... 2244.60 BogoMIPS (lpj=4489216) [ 9.942308] Brought up 64 CPUs [ 9.942812] Total of 64 processors activated (143654.91 BogoMIPS). [ 18.080441] migration_cost=0,31934,38750 [ 23.865993] checking if image is initramfs... it is
P.
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