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31 .. _linux_setup_script:
33 Quick Start Setup Script
34 ========================
36 The setup.sh script, found in the tools subdirectory, allows the user to perform the following tasks:
38 * Build the DPDK libraries
40 * Insert and remove the DPDK IGB_UIO kernel module
42 * Insert and remove VFIO kernel modules
44 * Insert and remove the DPDK KNI kernel module
46 * Create and delete hugepages for NUMA and non-NUMA cases
48 * View network port status and reserve ports for DPDK application use
50 * Set up permissions for using VFIO as a non-privileged user
52 * Run the test and testpmd applications
54 * Look at hugepages in the meminfo
56 * List hugepages in ``/mnt/huge``
58 * Remove built DPDK libraries
60 Once these steps have been completed for one of the EAL targets,
61 the user may compile their own application that links in the EAL libraries to create the DPDK image.
66 The setup.sh script is logically organized into a series of steps that a user performs in sequence.
67 Each step provides a number of options that guide the user to completing the desired task.
68 The following is a brief synopsis of each step.
70 **Step 1: Build DPDK Libraries**
72 Initially, the user must select a DPDK target to choose the correct target type and compiler options to use when building the libraries.
74 The user must have all libraries, modules, updates and compilers installed in the system prior to this,
75 as described in the earlier chapters in this Getting Started Guide.
77 **Step 2: Setup Environment**
79 The user configures the Linux* environment to support the running of DPDK applications.
80 Hugepages can be set up for NUMA or non-NUMA systems. Any existing hugepages will be removed.
81 The DPDK kernel module that is needed can also be inserted in this step,
82 and network ports may be bound to this module for DPDK application use.
84 **Step 3: Run an Application**
86 The user may run the test application once the other steps have been performed.
87 The test application allows the user to run a series of functional tests for the DPDK.
88 The testpmd application, which supports the receiving and sending of packets, can also be run.
90 **Step 4: Examining the System**
92 This step provides some tools for examining the status of hugepage mappings.
94 **Step 5: System Cleanup**
96 The final step has options for restoring the system to its original state.
101 The following are some example of how to use the setup.sh script.
102 The script should be run using the source command.
103 Some options in the script prompt the user for further data before proceeding.
107 The setup.sh script should be run with root privileges.
109 .. code-block:: console
111 source tools/setup.sh
113 ------------------------------------------------------------------------
115 RTE_SDK exported as /home/user/rte
117 ------------------------------------------------------------------------
119 Step 1: Select the DPDK environment to build
121 ------------------------------------------------------------------------
123 [1] i686-native-linuxapp-gcc
125 [2] i686-native-linuxapp-icc
127 [3] ppc_64-power8-linuxapp-gcc
129 [4] x86_64-ivshmem-linuxapp-gcc
131 [5] x86_64-ivshmem-linuxapp-icc
133 [6] x86_64-native-bsdapp-clang
135 [7] x86_64-native-bsdapp-gcc
137 [8] x86_64-native-linuxapp-clang
139 [9] x86_64-native-linuxapp-gcc
141 [10] x86_64-native-linuxapp-icc
143 ------------------------------------------------------------------------
145 Step 2: Setup linuxapp environment
147 ------------------------------------------------------------------------
149 [11] Insert IGB UIO module
151 [12] Insert VFIO module
153 [13] Insert KNI module
155 [14] Setup hugepage mappings for non-NUMA systems
157 [15] Setup hugepage mappings for NUMA systems
159 [16] Display current Ethernet device settings
161 [17] Bind Ethernet device to IGB UIO module
163 [18] Bind Ethernet device to VFIO module
165 [19] Setup VFIO permissions
167 ------------------------------------------------------------------------
169 Step 3: Run test application for linuxapp environment
171 ------------------------------------------------------------------------
173 [20] Run test application ($RTE_TARGET/app/test)
175 [21] Run testpmd application in interactive mode ($RTE_TARGET/app/testpmd)
177 ------------------------------------------------------------------------
181 ------------------------------------------------------------------------
183 [22] List hugepage info from /proc/meminfo
185 ------------------------------------------------------------------------
187 Step 5: Uninstall and system cleanup
189 ------------------------------------------------------------------------
191 [23] Uninstall all targets
193 [24] Unbind NICs from IGB UIO driver
195 [25] Remove IGB UIO module
197 [26] Remove VFIO module
199 [27] Remove KNI module
201 [28] Remove hugepage mappings
207 The following selection demonstrates the creation of the ``x86_64-native-linuxapp-gcc`` DPDK library.
209 .. code-block:: console
213 ================== Installing x86_64-native-linuxapp-gcc
219 RTE_TARGET exported as x86_64-native-linuxapp-gcc
221 The following selection demonstrates the starting of the DPDK UIO driver.
223 .. code-block:: console
227 Unloading any existing DPDK UIO module
228 Loading DPDK UIO module
230 The following selection demonstrates the creation of hugepages in a NUMA system.
231 1024 2 MByte pages are assigned to each node.
232 The result is that the application should use -m 4096 for starting the application to access both memory areas
233 (this is done automatically if the -m option is not provided).
237 If prompts are displayed to remove temporary files, type 'y'.
239 .. code-block:: console
243 Removing currently reserved hugepages
244 mounting /mnt/huge and removing directory
245 Input the number of 2MB pages for each node
246 Example: to have 128MB of hugepages available per node,
247 enter '64' to reserve 64 * 2MB pages on each node
248 Number of pages for node0: 1024
249 Number of pages for node1: 1024
251 Creating /mnt/huge and mounting as hugetlbfs
253 The following selection demonstrates the launch of the test application to run on a single core.
255 .. code-block:: console
259 Enter hex bitmask of cores to execute test app on
260 Example: to execute app on cores 0 to 7, enter 0xff
263 EAL: coremask set to 1
264 EAL: Detected lcore 0 on socket 0
266 EAL: Master core 0 is ready (tid=1b2ad720)
272 Once the user has run the setup.sh script, built one of the EAL targets and set up hugepages (if using one of the Linux EAL targets),
273 the user can then move on to building and running their application or one of the examples provided.
275 The examples in the /examples directory provide a good starting point to gain an understanding of the operation of the DPDK.
276 The following command sequence shows how the helloworld sample application is built and run.
277 As recommended in Section 4.2.1 , "Logical Core Use by Applications",
278 the logical core layout of the platform should be determined when selecting a core mask to use for an application.
280 .. code-block:: console
286 INSTALL-APP helloworld
287 INSTALL-MAP helloworld.map
289 sudo ./build/app/helloworld -c 0xf -n 3
290 [sudo] password for rte:
292 EAL: coremask set to f
293 EAL: Detected lcore 0 as core 0 on socket 0
294 EAL: Detected lcore 1 as core 0 on socket 1
295 EAL: Detected lcore 2 as core 1 on socket 0
296 EAL: Detected lcore 3 as core 1 on socket 1
297 EAL: Setting up hugepage memory...
298 EAL: Ask a virtual area of 0x200000 bytes
299 EAL: Virtual area found at 0x7f0add800000 (size = 0x200000)
300 EAL: Ask a virtual area of 0x3d400000 bytes
301 EAL: Virtual area found at 0x7f0aa0200000 (size = 0x3d400000)
302 EAL: Ask a virtual area of 0x400000 bytes
303 EAL: Virtual area found at 0x7f0a9fc00000 (size = 0x400000)
304 EAL: Ask a virtual area of 0x400000 bytes
305 EAL: Virtual area found at 0x7f0a9f600000 (size = 0x400000)
306 EAL: Ask a virtual area of 0x400000 bytes
307 EAL: Virtual area found at 0x7f0a9f000000 (size = 0x400000)
308 EAL: Ask a virtual area of 0x800000 bytes
309 EAL: Virtual area found at 0x7f0a9e600000 (size = 0x800000)
310 EAL: Ask a virtual area of 0x800000 bytes
311 EAL: Virtual area found at 0x7f0a9dc00000 (size = 0x800000)
312 EAL: Ask a virtual area of 0x400000 bytes
313 EAL: Virtual area found at 0x7f0a9d600000 (size = 0x400000)
314 EAL: Ask a virtual area of 0x400000 bytes
315 EAL: Virtual area found at 0x7f0a9d000000 (size = 0x400000)
316 EAL: Ask a virtual area of 0x400000 bytes
317 EAL: Virtual area found at 0x7f0a9ca00000 (size = 0x400000)
318 EAL: Ask a virtual area of 0x200000 bytes
319 EAL: Virtual area found at 0x7f0a9c600000 (size = 0x200000)
320 EAL: Ask a virtual area of 0x200000 bytes
321 EAL: Virtual area found at 0x7f0a9c200000 (size = 0x200000)
322 EAL: Ask a virtual area of 0x3fc00000 bytes
323 EAL: Virtual area found at 0x7f0a5c400000 (size = 0x3fc00000)
324 EAL: Ask a virtual area of 0x200000 bytes
325 EAL: Virtual area found at 0x7f0a5c000000 (size = 0x200000)
326 EAL: Requesting 1024 pages of size 2MB from socket 0
327 EAL: Requesting 1024 pages of size 2MB from socket 1
328 EAL: Master core 0 is ready (tid=de25b700)
329 EAL: Core 1 is ready (tid=5b7fe700)
330 EAL: Core 3 is ready (tid=5a7fc700)
331 EAL: Core 2 is ready (tid=5affd700)