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Message-ID: <20230807093727.5249f517@kernel.org> Date: Mon, 7 Aug 2023 09:37:27 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Hayes Wang <hayeswang@...ltek.com> Cc: "Limonciello, Mario" <mario.limonciello@....com>, "edumazet@...gle.com" <edumazet@...gle.com>, LKML <linux-kernel@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "davem@...emloft.net" <davem@...emloft.net>, "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>, "pabeni@...hat.com" <pabeni@...hat.com>, Paul Menzel <pmenzel@...gen.mpg.de> Subject: Re: Error 'netif_napi_add_weight() called with weight 256' On Mon, 7 Aug 2023 09:57:15 +0000 Hayes Wang wrote: > > Perhaps Hayes Wang can comment on this (as the author of 195aae321c82). > > I test our devices on an Embedded system. > We find the throughput is low. > And it is caused by the weight. > Our NAPI function often uses the whole budget. > Finally, we increase the weight, and the throughput is good. Could it possibly be related to handling of aggregation? Problem must lay somewhere in USB specifics, since as I said there are 100Gbps devices running fine with budget of 64.
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