From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id AB47DA046B for ; Fri, 28 Jun 2019 05:07:43 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 863B549DF; Fri, 28 Jun 2019 05:07:43 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 1D48828EE for ; Fri, 28 Jun 2019 05:07:41 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Jun 2019 20:07:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,426,1557212400"; d="scan'208";a="360932163" Received: from npg-dpdk-project-yinanwang-1.sh.intel.com ([10.67.110.166]) by fmsmga005.fm.intel.com with ESMTP; 27 Jun 2019 20:07:40 -0700 From: Yinan To: dts@dpdk.org Cc: Wang Yinan Date: Thu, 27 Jun 2019 20:04:45 +0000 Message-Id: <20190627200445.100198-1-yinan.wang@intel.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain; charset=Y Content-Transfer-Encoding: 8bit Subject: [dts] [PATCH v1] test_plans: add test plan for power managerment throughput test X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dts-bounces@dpdk.org Sender: "dts" From: Wang Yinan Signed-off-by: Wang Yinan --- ...power_managerment_throughput_test_plan.rst | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 test_plans/power_managerment_throughput_test_plan.rst diff --git a/test_plans/power_managerment_throughput_test_plan.rst b/test_plans/power_managerment_throughput_test_plan.rst new file mode 100644 index 0000000..a9234be --- /dev/null +++ b/test_plans/power_managerment_throughput_test_plan.rst @@ -0,0 +1,74 @@ +.. Copyright (c) <2019>, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. + +====================================== +Power managerment throughput test plan +====================================== + +This test plan test cpu frequence changed according io workloads with l3fwd-power sample. +The cpu frequency status depends on NIC and CPU type. + +Prerequisites +============= + +1. Update Grub:: + + Add "intel_pstate=disable" in kernel options. + +2. BIOS configuration as below:: + + CPU mode : "Power" + Workload configuratuion："IO sensitive" + Hardware Power : "Disabled" + Speedstep : "Enabled" + Turbo : "Enabled" + C-stats：C0/C1 + C6 : "Enabled" + +Test Case1: Check the CPU frequency can change according differernt packet speed +================================================================================ + +1. Check that you are using the "acpi-cpufreq" driver by command "cpufreq-info". + +2. CPU frequency controlled by userspace by command "cpupower frequency-set -g userspace". + +3. Bind one nic port to igb_uio, launch l3fwd-power sample, one core used for one port:: + + ./l3fwd-power -c 0xc000000 -n 4 -- -P -p 0x01 --config '(0,0,27)' + +4. Send packets by packet generator with high speed, check the used cpu frequency is almost 100%:: + + cat /sys/devices/system/cpu/cpu27/cpufreq/cpuinfo_cur_freq + +5. Send packets by packet generator with low speed, the CPU frequency will reduce about 50%:: + + cat /sys/devices/system/cpu/cpu27/cpufreq/cpuinfo_cur_freq \ No newline at end of file -- 2.17.1