From: Fabiano Rosas <farosas@suse.de>
To: Hao Xiang <hao.xiang@bytedance.com>,
peter.maydell@linaro.org, quintela@redhat.com, peterx@redhat.com,
marcandre.lureau@redhat.com, bryan.zhang@bytedance.com,
qemu-devel@nongnu.org
Cc: Hao Xiang <hao.xiang@bytedance.com>
Subject: Re: [PATCH v2 18/20] migration/multifd: Enable set packet size migration option.
Date: Wed, 13 Dec 2023 14:33:01 -0300 [thread overview]
Message-ID: <87o7eu80tu.fsf@suse.de> (raw)
In-Reply-To: <20231114054032.1192027-19-hao.xiang@bytedance.com>
Hao Xiang <hao.xiang@bytedance.com> writes:
> During live migration, if the latency between sender and receiver
> is high but bandwidth is high (a long and fat pipe), using a bigger
> packet size can help reduce migration total time. In addition, Intel
> DSA offloading performs better with a large batch task. Providing an
> option to set the packet size is useful for performance tuning.
>
> Set the option:
> migrate_set_parameter multifd-packet-size 512
This should continue being bytes, we just needed to have code enforcing
it to be a multiple of page size at migrate_params_check().
next prev parent reply other threads:[~2023-12-13 17:34 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-14 5:40 [PATCH v2 00/20] Use Intel DSA accelerator to offload zero page checking in multifd live migration Hao Xiang
2023-11-14 5:40 ` [PATCH v2 01/20] multifd: Add capability to enable/disable zero_page Hao Xiang
2023-11-16 15:15 ` Fabiano Rosas
2023-11-14 5:40 ` [PATCH v2 02/20] multifd: Support for zero pages transmission Hao Xiang
2023-11-14 5:40 ` [PATCH v2 03/20] multifd: Zero " Hao Xiang
2023-12-18 2:43 ` Wang, Lei
2023-11-14 5:40 ` [PATCH v2 04/20] So we use multifd to transmit zero pages Hao Xiang
2023-11-16 15:14 ` Fabiano Rosas
2024-01-23 4:28 ` [External] " Hao Xiang
2024-01-25 21:55 ` Hao Xiang
2024-01-25 23:14 ` Fabiano Rosas
2024-01-25 23:46 ` Hao Xiang
2023-11-14 5:40 ` [PATCH v2 05/20] meson: Introduce new instruction set enqcmd to the build system Hao Xiang
2023-12-11 15:41 ` Fabiano Rosas
2023-12-16 0:26 ` [External] " Hao Xiang
2023-11-14 5:40 ` [PATCH v2 06/20] util/dsa: Add dependency idxd Hao Xiang
2023-11-14 5:40 ` [PATCH v2 07/20] util/dsa: Implement DSA device start and stop logic Hao Xiang
2023-12-11 21:28 ` Fabiano Rosas
2023-12-19 6:41 ` [External] " Hao Xiang
2023-12-19 13:18 ` Fabiano Rosas
2023-12-27 6:00 ` Hao Xiang
2023-11-14 5:40 ` [PATCH v2 08/20] util/dsa: Implement DSA task enqueue and dequeue Hao Xiang
2023-12-12 16:10 ` Fabiano Rosas
2023-12-27 0:07 ` [External] " Hao Xiang
2023-11-14 5:40 ` [PATCH v2 09/20] util/dsa: Implement DSA task asynchronous completion thread model Hao Xiang
2023-12-12 19:36 ` Fabiano Rosas
2023-12-18 3:11 ` Wang, Lei
2023-12-18 18:57 ` [External] " Hao Xiang
2023-12-19 1:33 ` Wang, Lei
2023-12-19 5:12 ` Hao Xiang
2023-11-14 5:40 ` [PATCH v2 10/20] util/dsa: Implement zero page checking in DSA task Hao Xiang
2023-11-14 5:40 ` [PATCH v2 11/20] util/dsa: Implement DSA task asynchronous submission and wait for completion Hao Xiang
2023-12-13 14:01 ` Fabiano Rosas
2023-12-27 6:26 ` [External] " Hao Xiang
2023-11-14 5:40 ` [PATCH v2 12/20] migration/multifd: Add new migration option for multifd DSA offloading Hao Xiang
2023-12-11 19:44 ` Fabiano Rosas
2023-12-18 18:34 ` [External] " Hao Xiang
2023-12-18 3:12 ` Wang, Lei
2023-11-14 5:40 ` [PATCH v2 13/20] migration/multifd: Prepare to introduce DSA acceleration on the multifd path Hao Xiang
2023-12-18 3:20 ` Wang, Lei
2023-11-14 5:40 ` [PATCH v2 14/20] migration/multifd: Enable DSA offloading in multifd sender path Hao Xiang
2023-11-14 5:40 ` [PATCH v2 15/20] migration/multifd: Add test hook to set normal page ratio Hao Xiang
2023-11-14 5:40 ` [PATCH v2 16/20] migration/multifd: Enable set normal page ratio test hook in multifd Hao Xiang
2023-11-14 5:40 ` [PATCH v2 17/20] migration/multifd: Add migration option set packet size Hao Xiang
2023-11-14 5:40 ` [PATCH v2 18/20] migration/multifd: Enable set packet size migration option Hao Xiang
2023-12-13 17:33 ` Fabiano Rosas [this message]
2024-01-03 20:04 ` [External] " Hao Xiang
2023-11-14 5:40 ` [PATCH v2 19/20] util/dsa: Add unit test coverage for Intel DSA task submission and completion Hao Xiang
2023-11-14 5:40 ` [PATCH v2 20/20] migration/multifd: Add integration tests for multifd with Intel DSA offloading Hao Xiang
2023-11-15 17:43 ` [PATCH v2 00/20] Use Intel DSA accelerator to offload zero page checking in multifd live migration Elena Ufimtseva
2023-11-15 19:37 ` [External] " Hao Xiang
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