Re: [PATCH v2] iommu/iova: Optimize alloc_iova with rbtree_augmented

[wangjie (L)]

Tested-by: Jie Wang <wangjie125@xxxxxxxxxx>

On 2022/9/21 11:55, Peng Zhang wrote:
> > This patch seems to solve the performance issues i have.  Currently my
> > nic's rx performance is unstable in large-capacity scenarios. I
> > applied this patch to 5.19 rc4 and tested 8 times rx performance in
> > these scenes. Here are test results, "before" row is the result of
> > 5.19 rc4. "after" row means 5.19 rc4 with this patch, the unit is Mbits/s
> >
> >      1    2    3    4    5    6    7    8
> > before    55430    76701    84194    77560    88292    90106
> > 87770    77273
> > after    92770    92767    92792    92764    92742    92696
> > 92781    92756
> >
> > Obviously, after using this patch, the performance is stable.
>
> Thank you for your test. Can you add a "Tested-by" token?
> I plan to update the commit message in the next version.
> .