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[99.254.121.117]) by smtp.gmail.com with ESMTPSA id ki16-20020a05622a771000b00439c3072d24sm8878599qtb.15.2024.05.01.12.54.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 May 2024 12:54:11 -0700 (PDT) Date: Wed, 1 May 2024 15:54:08 -0400 From: Peter Xu To: Hao Xiang Cc: marcandre.lureau@redhat.com, farosas@suse.de, armbru@redhat.com, lvivier@redhat.com, qemu-devel@nongnu.org Subject: Re: [PATCH v4 00/14] Use Intel DSA accelerator to offload zero page checking in multifd live migration. Message-ID: References: <20240425022117.4035031-1-hao.xiang@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20240425022117.4035031-1-hao.xiang@linux.dev> Received-SPF: pass client-ip=170.10.129.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.897, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SORBS_WEB=1.5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Apr 25, 2024 at 02:21:03AM +0000, Hao Xiang wrote: > 7. Added a new migration option multifd-normal-page-ratio to make > multifd live migration easier to test. Setting a normal page ratio will > make live migration recognize a zero page as a normal page and send > the entire payload over the network. If we want to send a large network > payload and analyze throughput, this option is useful. I didn't see this when quickly going through the series. It's even mentioned in test results later. Is it removed? Thanks, -- Peter Xu