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From: "wangjie (L)" <wangjie125@huawei.com>
To: Peng Zhang <zhangpeng.00@bytedance.com>, <joro@8bytes.org>,
	<will@kernel.org>
Cc: <iommu@lists.linux.dev>, <linux-kernel@vger.kernel.org>,
	<robin.murphy@arm.com>, <haifeng.zhao@linux.intel.com>,
	<john.garry@huawei.com>
Subject: Re: [PATCH v2] iommu/iova: Optimize alloc_iova with rbtree_augmented
Date: Wed, 21 Sep 2022 18:54:01 +0800	[thread overview]
Message-ID: <36ce6959-a4ed-bf33-9e7c-f35a63bf9434@huawei.com> (raw)
In-Reply-To: <bdcf9676-7846-1f14-1dd1-80cb9dcb0794@bytedance.com>

Tested-by: Jie Wang <wangjie125@huawei.com>

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.
> .
>

      reply	other threads:[~2022-09-21 10:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-24  9:51 Peng Zhang
2022-08-24 12:30 ` Ethan Zhao
2022-08-25  8:10   ` [External] " Peng Zhang
2022-08-26  8:58     ` Ethan Zhao
2022-08-26 10:28       ` Peng Zhang
2022-09-01 10:45         ` John Garry
2022-09-02  3:30           ` Peng Zhang
2022-09-21  1:15 ` wangjie (L)
2022-09-21  3:55   ` Peng Zhang
2022-09-21 10:54     ` wangjie (L) [this message]

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