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Re: [Xen-devel] [patch] linux-2.6 performance fix



Thanks! Looks like I forgot to disable the debugging again after a
resonable time. :-)

 -- Keir

> 
> This patch for linux-2.6 defconfig more than quadrupled iperf throughput,
> restoring the gigethernet network performance to wire speed at long last.
> Applies to xen-2.0-testing.bk xen-2.0.bk and xeno-unstable.bk
> 
> The throughput on linux-2.4.29 seems fine.  I hadn't tried it since 2.4.27.
> 
> The relevant sccs comment, from Dec1:
> 
> ======== linux-2.6.10-xen-sparse/arch/xen/configs/xen0_defconfig 1.26.2.1 
> ========
> D 1.26.2.1 04/12/01 11:24:10+00:00 kaf24@xxxxxxxxxxxxxxxxxxxxx 33 30 3/3/1037
> P linux-2.6.9-xen-sparse/arch/xen/configs/xen0_defconfig
> C Enable some more kernel debugging. Remember to turn off before
> C pushing to the stable repository!
> ------------------------------------------------
> 
> 
> ===== linux-2.6.10-xen-sparse/arch/xen/configs/xen0_defconfig 1.36 vs edited 
> =====
> 165c165
> < CONFIG_DEBUG_SLAB=y
> ---
> > # CONFIG_DEBUG_SLAB is not set
> 168c168
> < CONFIG_DEBUG_PAGEALLOC=y
> ---
> > # CONFIG_DEBUG_PAGEALLOC is not set
> ===== linux-2.6.10-xen-sparse/arch/xen/configs/xenU_defconfig 1.28 vs edited 
> =====
> 135c135
> < CONFIG_DEBUG_SLAB=y
> ---
> > # CONFIG_DEBUG_SLAB is not set
> 138c138
> < CONFIG_DEBUG_PAGEALLOC=y
> ---
> > # CONFIG_DEBUG_PAGEALLOC is not set
> 
> 
> 
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