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Tsirkin" To: Jason Wang Cc: Tobias Huschle , Abel Wu , Peter Zijlstra , Linux Kernel , kvm@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org Subject: Re: Re: Re: EEVDF/vhost regression (bisected to 86bfbb7ce4f6 sched/fair: Add lag based placement) Message-ID: <20231211115329-mutt-send-email-mst@kernel.org> References: <20231122100016.GO8262@noisy.programming.kicks-ass.net> <6564a012.c80a0220.adb78.f0e4SMTPIN_ADDED_BROKEN@mx.google.com> <07513.123120701265800278@us-mta-474.us.mimecast.lan> <20231207014626-mutt-send-email-mst@kernel.org> <56082.123120804242300177@us-mta-137.us.mimecast.lan> <20231208052150-mutt-send-email-mst@kernel.org> <53044.123120806415900549@us-mta-342.us.mimecast.lan> <20231209053443-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Mon, 11 Dec 2023 08:54:15 -0800 (PST) On Mon, Dec 11, 2023 at 03:26:46PM +0800, Jason Wang wrote: > > Try reducing the VHOST_NET_WEIGHT limit and see if that improves things any? > > Or a dirty hack like cond_resched() in translate_desc(). what do you mean, exactly? -- MST