From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <cunming.liang@intel.com> Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 1DB2B3975 for <dev@dpdk.org>; Tue, 11 Nov 2014 07:50:47 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 10 Nov 2014 23:00:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,359,1413270000"; d="scan'208";a="629975146" Received: from kmsmsx151.gar.corp.intel.com ([172.21.73.86]) by fmsmga002.fm.intel.com with ESMTP; 10 Nov 2014 23:00:19 -0800 Received: from pgsmsx105.gar.corp.intel.com (10.221.44.96) by KMSMSX151.gar.corp.intel.com (172.21.73.86) with Microsoft SMTP Server (TLS) id 14.3.195.1; Tue, 11 Nov 2014 14:58:48 +0800 Received: from shsmsx103.ccr.corp.intel.com (10.239.4.69) by pgsmsx105.gar.corp.intel.com (10.221.44.96) with Microsoft SMTP Server (TLS) id 14.3.195.1; Tue, 11 Nov 2014 14:58:47 +0800 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.136]) by SHSMSX103.ccr.corp.intel.com ([169.254.4.241]) with mapi id 14.03.0195.001; Tue, 11 Nov 2014 14:58:47 +0800 From: "Liang, Cunming" <cunming.liang@intel.com> To: Thomas Monjalon <thomas.monjalon@6wind.com> Thread-Topic: [dpdk-dev] [PATCH v6 0/3] app/test: unit test to measure cycles per packet Thread-Index: Ac/9fKRPZ9KGdZS/QTqv3MZwjcHfIA== Date: Tue, 11 Nov 2014 06:58:46 +0000 Message-ID: <D0158A423229094DA7ABF71CF2FA0DA31186B652@shsmsx102.ccr.corp.intel.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "dev@dpdk.org" <dev@dpdk.org> Subject: Re: [dpdk-dev] [PATCH v6 0/3] app/test: unit test to measure cycles per packet X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Tue, 11 Nov 2014 06:50:49 -0000 Hi Thomas, Gentle remind, in case you've too much mails to process. -Liang Cunming > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Liang, Cunming > Sent: Wednesday, October 29, 2014 1:06 PM > To: Thomas Monjalon > Cc: dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH v6 0/3] app/test: unit test to measure cyc= les per > packet >=20 > Hi Thomas, >=20 > All the open issues from the former patches are closed. > Could you please have a look and get it applied ? >=20 > -Liang Cunming >=20 > > -----Original Message----- > > From: Liang, Cunming > > Sent: Monday, October 27, 2014 9:20 AM > > To: dev@dpdk.org > > Cc: nhorman@tuxdriver.com; Ananyev, Konstantin; Richardson, Bruce; De L= ara > > Guarch, Pablo; Liang, Cunming > > Subject: [PATCH v6 0/3] app/test: unit test to measure cycles per packe= t > > > > v6 update: > > # leave FUNC_PTR_OR_*_RET unmodified > > > > v5 update: > > # fix the confusing of retval in some API of rte_ethdev > > > > v4 ignore > > > > v3 update: > > # Codes refine according to the feedback. > > 1. add ether_format_addr to rte_ether.h > > 2. fix typo in code comments. > > 3. %lu to %PRIu64, fixing 32-bit targets compilation err > > # merge 2 small incremental patches to the first one. > > The whole unit test as a single patch in [PATCH v3 2/2] > > # rebase code to the latest master > > > > v2 update: > > Rebase code to the latest master branch. > > > > It provides unit test to measure cycles/packet in NIC loopback mode. > > It simply gives the average cycles of IO used per packet without test e= quipment. > > When doing the test, make sure the link is UP. > > > > There's two stream control mode support, one is continues, another is b= urst. > > The former continues to forward the injected packets until reaching a c= ertain > > amount of number. > > The latter one stop when all the injected packets are received. > > In burst stream, now measure two situations, with or without desc. cach= e > conflict. > > By default, it runs in continues stream mode to measure the whole rxtx. > > > > Usage Example: > > 1. Run unit test app in interactive mode > > app/test -c f -n 4 -- -i > > 2. Set stream control mode, by default is continuous > > set_rxtx_sc [continuous|poll_before_xmit|poll_after_xmit] > > 3. If choose continuous stream, there are another two options can confi= gure > > 3.1 choose rx/tx pair, default is vector > > set_rxtx_mode [vector|scalar|full|hybrid] > > Note: To get acurate scalar fast, plz choose 'vector' or 'hybri= d' without > > INC_VEC=3Dy in config > > 3.2 choose the area of masurement, default is rxtx > > set_rxtx_anchor [rxtx|rxonly|txonly] > > 4. Run and wait for the result > > pmd_perf_autotest > > > > For who simply just want to see how much cycles cost per packet. > > Compile DPDK, Run 'app/test', and type 'pmd_perf_autotest', that's it. > > Nothing else needs to configure. > > Using other options when you understand and what to measures more. > > > > > > BTW, [1/3] is the same patch as below one. > > http://dpdk.org/dev/patchwork/patch/817 > > > > *** BLURB HERE *** > > > > Cunming Liang (3): > > app/test: allow to create packets in different sizes > > app/test: measure the cost of rx/tx routines by cycle number > > ethdev: fix wrong error return refer to API definition > > > > app/test/Makefile | 1 + > > app/test/commands.c | 111 +++++ > > app/test/packet_burst_generator.c | 26 +- > > app/test/packet_burst_generator.h | 11 +- > > app/test/test.h | 6 + > > app/test/test_link_bonding.c | 39 +- > > app/test/test_pmd_perf.c | 922 > > +++++++++++++++++++++++++++++++++++ > > lib/librte_ether/rte_ethdev.c | 6 +- > > lib/librte_ether/rte_ether.h | 25 + > > lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 6 + > > 10 files changed, 1117 insertions(+), 36 deletions(-) > > create mode 100644 app/test/test_pmd_perf.c > > > > -- > > 1.7.4.1