From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by dpdk.org (Postfix, from userid 33) id 0D5272BD5; Tue, 7 May 2019 14:29:55 +0200 (CEST) From: bugzilla@dpdk.org To: dev@dpdk.org Date: Tue, 07 May 2019 12:29:55 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: eventdev X-Bugzilla-Version: 19.05 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: matias.elo@nokia.com X-Bugzilla-Status: CONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 Subject: [dpdk-dev] [Bug 277] eventdev sw rx adapter enqueue buffer may store packets indefinitely X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 May 2019 12:29:55 -0000 https://bugs.dpdk.org/show_bug.cgi?id=3D277 Bug ID: 277 Summary: eventdev sw rx adapter enqueue buffer may store packets indefinitely Product: DPDK Version: 19.05 Hardware: All OS: All Status: CONFIRMED Severity: normal Priority: Normal Component: eventdev Assignee: dev@dpdk.org Reporter: matias.elo@nokia.com Target Milestone: --- The sw eventdev rx adapter has an internal enqueue buffer 'rx_adapter->event_enqueue_buffer', which stores packets received from the = NIC until at least BATCH_SIZE (=3D32) packets have been received before enqueue= ing them to eventdev. If not enough packets (BATCH_SIZE) are received or the sy= stem stops receiving new packets, existing packets stored in the enqueue buffer = are never passed to eventdev. Situation like this occurs easily for example when performing validation testing with predefined test packets. Additionally, if packet receive rate = is slow, this adds a considerable amount of extra delay. --=20 You are receiving this mail because: You are the assignee for the bug.= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 58BF2A0096 for ; Tue, 7 May 2019 14:29:57 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E35062BD5; Tue, 7 May 2019 14:29:55 +0200 (CEST) Received: by dpdk.org (Postfix, from userid 33) id 0D5272BD5; Tue, 7 May 2019 14:29:55 +0200 (CEST) From: bugzilla@dpdk.org To: dev@dpdk.org Date: Tue, 07 May 2019 12:29:55 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: eventdev X-Bugzilla-Version: 19.05 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: matias.elo@nokia.com X-Bugzilla-Status: CONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 Subject: [dpdk-dev] [Bug 277] eventdev sw rx adapter enqueue buffer may store packets indefinitely X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Message-ID: <20190507122955.WV71H0_5SPYaZbVZfyNDFCeCQ3iFJ3SkLXwUGzXQdpM@z> https://bugs.dpdk.org/show_bug.cgi?id=3D277 Bug ID: 277 Summary: eventdev sw rx adapter enqueue buffer may store packets indefinitely Product: DPDK Version: 19.05 Hardware: All OS: All Status: CONFIRMED Severity: normal Priority: Normal Component: eventdev Assignee: dev@dpdk.org Reporter: matias.elo@nokia.com Target Milestone: --- The sw eventdev rx adapter has an internal enqueue buffer 'rx_adapter->event_enqueue_buffer', which stores packets received from the = NIC until at least BATCH_SIZE (=3D32) packets have been received before enqueue= ing them to eventdev. If not enough packets (BATCH_SIZE) are received or the sy= stem stops receiving new packets, existing packets stored in the enqueue buffer = are never passed to eventdev. Situation like this occurs easily for example when performing validation testing with predefined test packets. Additionally, if packet receive rate = is slow, this adds a considerable amount of extra delay. --=20 You are receiving this mail because: You are the assignee for the bug.=