From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss.arm.com (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by dpdk.org (Postfix) with ESMTP id DF208375B for ; Mon, 11 Mar 2019 06:53:21 +0100 (CET) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1A956374; Sun, 10 Mar 2019 22:53:21 -0700 (PDT) Received: from net-arm-thunderx2.shanghai.arm.com (net-arm-thunderx2.shanghai.arm.com [10.169.40.121]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C1C843F575; Sun, 10 Mar 2019 22:53:19 -0700 (PDT) From: Joyce Kong To: dev@dpdk.org Cc: nd@arm.com, thomas@monjalon.net, jerin.jacob@caviumnetworks.com, stephen@networkplumber.org, honnappa.nagarahalli@arm.com, gavin.hu@arm.com Date: Mon, 11 Mar 2019 13:52:42 +0800 Message-Id: <1552283564-113385-1-git-send-email-joyce.kong@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1550573288-148384-1-git-send-email-joyce.kong@arm.com> References: <1550573288-148384-1-git-send-email-joyce.kong@arm.com> Subject: [dpdk-dev] [PATCH v5 0/2] ticketlock: implement ticketlock and add test case 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: Mon, 11 Mar 2019 05:53:22 -0000 v5: Change the variants inside rte_ticket_lock from unint to uint16_t for binary compatibility with the plain spin lock. v4: Change some assignment operation in recursive ticket lock to __atomic. V3: 1.Update ticketlock intrduction(suggested by Honnappa Nagarahalli). 2.Change the implementation of rte_ticketlock_trylock to CAS(suggested by Honnappa Nagarahalli). V2: 1.Update commit message(suggested by Jerin Jacob). 2.Add ticketlock test cases(suggested by Jerin Jacob). V1: Implement ticket lock to improve lock fairness and prdictability. As shown on thundex-2 platform: *** ticketlock_autotest with this patch *** Core [0] count = 496 Core [1] count = 495 Core [2] count = 498 ... Core [209] count = 488 Core [210] count = 490 Core [211] count = 474 Joyce Kong (2): eal/ticketlock: ticket based to improve fairness test/ticketlock: add ticket lock test case MAINTAINERS | 4 + app/test/Makefile | 1 + app/test/autotest_data.py | 6 + app/test/meson.build | 1 + app/test/test_ticketlock.c | 311 +++++++++++++++++++++ doc/api/doxy-api-index.md | 1 + lib/librte_eal/common/Makefile | 2 +- .../common/include/generic/rte_ticketlock.h | 203 ++++++++++++++ lib/librte_eal/common/meson.build | 1 + 9 files changed, 529 insertions(+), 1 deletion(-) create mode 100644 app/test/test_ticketlock.c create mode 100644 lib/librte_eal/common/include/generic/rte_ticketlock.h -- 2.7.4