From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id E0EEB568A for ; Mon, 9 Nov 2015 03:32:50 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 08 Nov 2015 18:32:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,264,1444719600"; d="scan'208";a="831200415" Received: from stv-crb-56.sh.intel.com (HELO [10.239.128.116]) ([10.239.128.116]) by fmsmga001.fm.intel.com with ESMTP; 08 Nov 2015 18:32:48 -0800 Message-ID: <56400619.8070903@intel.com> Date: Mon, 09 Nov 2015 10:34:01 +0800 From: "Liu, Yong" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Lijuan Tu , dts@dpdk.org References: <1446633072-40477-1-git-send-email-lijuanx.a.tu@intel.com> <1446633157-40519-1-git-send-email-lijuanx.a.tu@intel.com> In-Reply-To: <1446633157-40519-1-git-send-email-lijuanx.a.tu@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [dts] [PATCH 2/3] Add multiple pthread test plan 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: , X-List-Received-Date: Mon, 09 Nov 2015 02:32:51 -0000 Hi Lijuan, There's one question on this suite. In the description FreeBSD should also work with multiple-thread, but most commands in test plan only work in Linux system. On 11/04/2015 06:32 PM, Lijuan Tu wrote: > From: lijuan tu > > Signed-off-by: lijuan tu > --- > test_plans/multiple_pthread_test_plan.rst | 116 ++++++++++++++++++++++++++++++ > 1 file changed, 116 insertions(+) > create mode 100644 test_plans/multiple_pthread_test_plan.rst > > diff --git a/test_plans/multiple_pthread_test_plan.rst b/test_plans/multiple_pthread_test_plan.rst > new file mode 100644 > index 0000000..9027f37 > --- /dev/null > +++ b/test_plans/multiple_pthread_test_plan.rst > @@ -0,0 +1,116 @@ > +..f > + > + > +=============================== > +Multiple Pthread Test Instructions > +=============================== > + > +Cgroup Function Test > +-------------------------- > + > +Description > +----------- > + > +This test is a basic multiple pthread test which demonstrates the basics of control group. Cgroup is a Linux kernel feature that limits, accounts for and isolates the resource usage, like CPU, memory, disk I/O, network, etc of a collection of processes. Now, it's focus on the CPU usage. > + Please limit one line to 79 characters, it will help to generate more readable document. > +Prerequisites > +------------- > +Support igb_uio driver, kernel is 3.11+. Use "modeprobe uio" "modprobe igb_uio" and then use "./tools/dpdk_nic_bind.py --bind=igb_uio device_bus_id" to bind the ports. > + > +Assuming that an Intel� DPDK build has been set up and the testpmd > +applications have been built. > + > +Os required: Linux and FreeBSD For FreeBSD system, please check below comments. > + > +Test Case 1: Basic operation > +-------------------------- > + > +To run the application, start the testpmd with the lcoress all running with threads and also the unique core assigned, command as follows:: > + > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='0@8,(4-5)@9' -n 4 -- -i --portmask=0xc > + EAL: Master lcore 0 is ready (tid=ffd4900;cpuset=[8]) > + EAL: lcore 4 is ready (tid=873e7700;cpuset=[9]) > + EAL: lcore 5 is ready (tid=873e7700;cpuset=[9]) > +To check the output, we shall make sure the lcore are init on the correct cpu. e.g. Duing INIT log we can found below: > + > +The process should start successfully and display a command prompt as follows:: > + > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='0@8,(4-5)@9' -n 4 -- -i --portmask=0xc > + Checking link statuses... > + Port 0 Link Up - speed 10000 Mbps - full-duplex > + Port 1 Link Up - speed 10000 Mbps - full-duplex > + Done > + > +Start the packet forwarding as follows > + > + testpmd>set fwd mac > + > +Before running the test, make sure the core is a unique one otherwise, the throughput will be floating on different cores, another thing is to make sure all the logic cores are running, command as follows: Please limit one line to 79 characters. > + > + testpmd>set corelist 4,5 > + > +pay attention that set corelist need to be configured before start, otherwise, it will not work > + > + testpmd>start > + > + testpmd>show config fwd > + > +Using the command to find the threads that's running, as follows: > + > + ps -C testpmd -L -opid,tid,%cpu,psr,args > + This is command may not work on Freebsd system. If this test plan work for Freebsd system, i think you need change the description. > +Result as follows: > + > + PID TID %CPU PSR COMMAND > + 179459 179459 0.2 8 ./x86_64-native-linuxapp-gcc/app/testpmd --lcores=0@8,(4-5)@9 -n 4 -- -i --portmask=0xc > + 179459 179460 0.0 21 ./x86_64-native-linuxapp-gcc/app/testpmd --lcores=0@8,(4-5)@9 -n 4 -- -i --portmask=0xc > + 179461 0.0 21 ./x86_64-native-linuxapp-gcc/app/testpmd --lcores=0@8,(4-5)@9 -n 4 -- -i --portmask=0xc > + 179459 179462 80.4 9 ./x86_64-native-linuxapp-gcc/app/testpmd --lcores=0@8,(4-5)@9 -n 4 -- -i --portmask=0xc > + 179459 179463 0.0 9 ./x86_64-native-linuxapp-gcc/app/testpmd --lcores=0@8,(4-5)@9 -n 4 -- -i --portmask=0xc > + > +You will see that there are two threads running on core 9. The last 2 threads are running threads, their TID will be assigned to the tasks in the folder thread0. > + > + cd /sys/fs/cgroup/cpu/dpdk/thread0 > + echo 179462 > tasks > + echo 179463 > tasks Please check whether the sys file system attributes existed on FreeBSD system. > + > +Assgined the percentage of cpu these two threads occupy as follows: > + > + echo 10000 > cpu.cfs_quota_us > + > +This means the two threads will totally occupy 10% of the CPU and each 5%. > + > + > +Boundary Test > +------------------------- > + > +Test Case 2: Positive Test > +--------------------------------------------- > + > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='0@8,(4-5)@(8-11)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='1,2@(0-4,6),(3-4,6)@5,(7,8)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,CONFIG_RTE_MAX_LCORE-1)@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,64-66)@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='2-5,6,7-9' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='2, (3-5)@ 3' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,7-4)@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + > +Test Case 3: Negative Test > +--------------------------------------------------- > + > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0-,4-7)@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(-1,4-7)@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,4-7-9)@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,abcd)@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,4-7)@(1-,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,4-7)@(-1,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,4-7)@(4,5-8-9)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,4-7)@(abc,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,4-7)@(4,xyz)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0,4-7)=(8,9)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='2,3@4,(0-1,,4))' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='[0-,4-7]@(4,5)' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='(0-,4-7)@[4,5]' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='3-4@3,2@5-6' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='2,,3''2--3' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32 > + ./x86_64-native-linuxapp-gcc/app/testpmd --lcores='2,,,3''2--3' -n 4 -- -i --txfreet=32 --rxfreet=32 --txqflags=0xf01 --txrst=32