From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 180993C9EF6; Mon, 20 Jul 2026 22:46:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784587598; cv=none; b=Ui+6r+Bgj9hDgDsQ+CKlH2YHBQb3HR/nAui5HBmLEI+QCV+GHZ/kD6DcWFUVHDAkTlMTUPI+GheTDfl0AhFiKHeLInCMlJn4cMkYThWpk8l+EubeyBTOZYK7Eq6M+H/t1CKdCvDIw3pa8e5AFflHBMAOdMZn0za3Be7ImEl3I/g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784587598; c=relaxed/simple; bh=bgy3JPejVqd0k0EsbmFDn+JJ5QqURb3bPINmBbFdq6U=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hP04mjxMar9NRzTmKbiBGjtv6Z7CRvRdbpI+0QIvFyeSyiZb4jOP7G7lZ1Wt7QH3Na50y6OXhUVJrQ+xocqGuiQttUrHgzLa4BhZu5yxwPlm9II2NbVIclHutAlah0De/lTj43R6f0/FdKldl7a+frRIT6fWkDMkukYPDlugb8A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HwRjqeXW; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HwRjqeXW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43AB11F000E9; Mon, 20 Jul 2026 22:46:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784587596; bh=dPbsnAVCyVM0KBQw45+fAExdZalShLIwnygzhqxNteg=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=HwRjqeXW2ATdUVgbLKd1uKFb/XADW60HA9IZ0tXrl+RDG9pluVcZBsvRBe9/gjLcy a5ytyjwyzdsy9clIWFNxUBO2IXHlxj0izu/wbwfeT+UpgqpeHtRh8TzMGhK8Lgokgv QPlgpEicX9JpqGRRNDAIxK+PRykyPGJlXUkSREp1jGavmQiXJzkM7DTt0MlHbbgaCV fWFlIeWl+BZHa4iAHOl8STRLSdU0tRgxkXGDsMQD3rvylYEvvAHYAJsQeBhifyY7TD w7ccptJNixNXCTGgXxHvW/p56BnkRkEsKLIxmTKRCaT6GnDEGmoluoel/ppuK0kq72 LOMoc48xn42Ng== Date: Mon, 20 Jul 2026 15:46:35 -0700 From: Jakub Kicinski To: "Hemendra M. Naik" Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, horms@kernel.org, jiri@resnulli.us, jhs@mojatatu.com, shuah@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, vishy0777@gmail.com, tahiliani@nitk.edu.in Subject: Re: [PATCH net-next v3 1/2] net/sched: sch_fq_pie: add per-flow statistics via class ops Message-ID: <20260720154635.627948f1@kernel.org> In-Reply-To: <20260630183702.170798-2-hemendranaik@gmail.com> References: <20260630183702.170798-1-hemendranaik@gmail.com> <20260630183702.170798-2-hemendranaik@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 1 Jul 2026 00:07:01 +0530 Hemendra M. Naik wrote: > FQ-PIE schedules independent PIE controllers per flow but exposes no > per-flow AQM state. Without class-level statistics there is no way to > observe the per-flow drop probability, queue delay, deficit or > dequeue rate from userspace. Please un-indent the commit msg.