[PATCH v5] enhance NUMA affinity heuristic

Jiale, SongX songx.jiale at intel.com
Wed Feb 1 11:52:48 CET 2023


> -----Original Message-----
> From: Kaisen You <kaisenx.you at intel.com>
> Sent: Wednesday, February 1, 2023 8:21 PM
> To: dev at dpdk.org
> Cc: Zhou, YidingX <yidingx.zhou at intel.com>; thomas at monjalon.net;
> david.marchand at redhat.com; Matz, Olivier <olivier.matz at 6wind.com>;
> ferruh.yigit at amd.com; You, KaisenX <kaisenx.you at intel.com>;
> zhoumin at loongson.cn; Burakov, Anatoly <anatoly.burakov at intel.com>;
> stable at dpdk.org
> Subject: [PATCH v5] enhance NUMA affinity heuristic
> 
> Trying to allocate memory on the first detected numa node has less chance
> to find some memory actually available rather than on the main lcore numa
> node (especially when the DPDK application is started only on one numa
> node).
> 
> Fixes: 705356f0811f ("eal: simplify control thread creation")
> Fixes: bb0bd346d5c1 ("eal: suggest using --lcores option")
> Cc: stable at dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> Signed-off-by: Kaisen You <kaisenx.you at intel.com>
> ---
Tested-by: Song Jiale <songx.jiale at intel.com>


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