On Thu, Jul 30, 2015 at 10:06 AM, Ravi Kerur <rkerur at gmail.com> wrote:
> > > On Thu, Jul 30, 2015 at 9:19 AM, Jan Viktorin <viktorin at rehivetech.com> > wrote: > >> OK, I've added the card into RTE_PCI_DEVEM_ID_DECL_EM list. >> Much better now: >> >> EAL: Requesting 64 pages of size 2MB from socket 0 >> EAL: TSC frequency is ~3699995 KHz >> EAL: Master lcore 0 is ready (tid=467d78c0;cpuset=[0]) >> EAL: lcore 1 is ready (tid=3a5ff700;cpuset=[1]) >> EAL: PCI device 0000:03:00.0 on NUMA socket -1 >> EAL: probe driver: 8086:1026 rte_em_pmd >> EAL: PCI memory mapped at 0x7fde44a00000 >> EAL: PCI memory mapped at 0x7fde44a20000 >> PMD: eth_em_dev_init(): port_id 0 vendorID=0x8086 deviceID=0x1026 >> EAL: PCI device 0000:03:02.0 on NUMA socket -1 >> EAL: probe driver: 8086:1026 rte_em_pmd >> EAL: Not managed by a supported kernel driver, skipped >> Interactive-mode selected >> EAL: Error - exiting with code: 1 >> Cause: Creation of mbuf pool for socket 0 failed >> >> I've tried both uio_pci_generic and igb_uio. Is there anything else >> I can do about it? >> > > I am attaching patch from M Jay/Cuming (Intel engineers), it's not yet > integrated into DPDK mainline. You need it to fix above mbuf error. > In addition if you are allocating too little hugepages it can cause issues esp 64. I usually allocate > 1024 hugepages. > >> Jan V. >> >> On Thu, 30 Jul 2015 08:41:47 -0700 >> Ravi Kerur <rkerur at gmail.com> wrote: >> >> > On Thu, Jul 30, 2015 at 8:22 AM, Jan Viktorin <viktorin at rehivetech.com> >> > wrote: >> > >> > > The 82545 is listed at http://dpdk.org/doc/nics and I can see it in >> > > rte_pci_dev_ids.h/e1000_hw.h: >> > > >> > > 196 #define E1000_DEV_ID_82545GM_COPPER 0x1026 >> > > >> > > $ lspci -nn >> > > ... >> > > 03:00.0 Ethernet controller [0200]: Intel Corporation 82545GM Gigabit >> > > Ethernet Controller [8086:1026] (rev 04) >> > > 03:02.0 Ethernet controller [0200]: Intel Corporation 82545GM Gigabit >> > > Ethernet Controller [8086:1026] (rev 04) >> > > >> > > However, it is rev 04 and in e1000_hw.h there is just >> e1000_82545_rev_3. >> > > But this should not avoid the match (?). Is it possible to grow the >> > > verbosity >> > > level of the device matching process in DPDK? >> > > >> > >> > Check lib/librte_eal/common/include/rte_pci_dev_ids.h, you need to add >> > device-id via RTE_PCI_DEVEM_ID_DECL_EM. >> > >> > > >> > > I do not expect any support, I just wanted to use it for sending >> traffic >> > > at 1 Gbps because there are two such cards mostly unused in my >> computer. >> > > I did not plan to use I217-V (in fact, I did not expect much from this >> > > integrated NIC and I did not even notice it is an Intel one...). >> > > >> > > Regards >> > > Jan Viktorin >> > > >> > > On Thu, 30 Jul 2015 07:44:14 -0700 >> > > Ravi Kerur <rkerur at gmail.com> wrote: >> > > >> > > > On Thu, Jul 30, 2015 at 5:03 AM, Jan Viktorin < >> viktorin at rehivetech.com> >> > > > wrote: >> > > > >> > > > > Hi, >> > > > > >> > > > > thanks for reply. I could see those docs but it does not help me >> a lot. >> > > > > I still do not understand very well the principle of the tool. >> How it >> > > > > chooses the NICs to use? Previously I confused -b in >> dpdk_nic_bind and >> > > > > testpmd. They have somehow opposite meaning. I can start testpmd >> now, >> > > > > however, it does ot probe any NIC. I've tried -w to whitelist >> certain >> > > > > NICs but with no success. >> > > > > >> > > > > $ dpdk_nic_bind --status >> > > > > >> > > > > Network devices using DPDK-compatible driver >> > > > > ============================================ >> > > > > 0000:03:00.0 '82545GM Gigabit Ethernet Controller' >> drv=uio_pci_generic >> > > > > unused=e1000 >> > > > > 0000:03:02.0 '82545GM Gigabit Ethernet Controller' >> drv=uio_pci_generic >> > > > > unused=e1000 >> > > > > >> > > > >> > > > NICs may not be supported by PMD drivers yet. Do "lspci -nn" and >> check >> > > the >> > > > device-id. Adding support in PMD should not be a problem, but I am >> not >> > > > sure on support since there is End of Life listed on Intel Website >> > > > >> > > > >> > > >> http://ark.intel.com/products/4964/Intel-82545GM-Gigabit-Ethernet-Controller >> > > > >> > > > >> > > > > Network devices using kernel driver >> > > > > =================================== >> > > > > 0000:00:19.0 'Ethernet Connection I217-V' if=eno1 drv=e1000e >> > > > > unused=uio_pci_generic *Active* >> > > > > >> > > > >> > > > DPDK doesn't bind Active NIC, support for I217-V in PMD is being >> tested >> > > > currently. >> > > > >> > > > >> > > > > >> > > > > Other network devices >> > > > > ===================== >> > > > > <none> >> > > > > >> > > > > $ sudo testpmd -c 0x3 -n 2 -- -i --total-num-mbufs=2048 >> > > > > EAL: Detected lcore 0 as core 0 on socket 0 >> > > > > EAL: Detected lcore 1 as core 1 on socket 0 >> > > > > EAL: Detected lcore 2 as core 0 on socket 0 >> > > > > EAL: Detected lcore 3 as core 1 on socket 0 >> > > > > EAL: Support maximum 128 logical core(s) by configuration. >> > > > > EAL: Detected 4 lcore(s) >> > > > > EAL: VFIO modules not all loaded, skip VFIO support... >> > > > > EAL: Setting up physically contiguous memory... >> > > > > EAL: Ask a virtual area of 0x3c00000 bytes >> > > > > EAL: Virtual area found at 0x7fe973e00000 (size = 0x3c00000) >> > > > > EAL: Ask a virtual area of 0x200000 bytes >> > > > > EAL: Virtual area found at 0x7fe973a00000 (size = 0x200000) >> > > > > EAL: Ask a virtual area of 0x200000 bytes >> > > > > EAL: Virtual area found at 0x7fe973600000 (size = 0x200000) >> > > > > EAL: Ask a virtual area of 0x3c00000 bytes >> > > > > EAL: Virtual area found at 0x7fe96f800000 (size = 0x3c00000) >> > > > > EAL: Ask a virtual area of 0x200000 bytes >> > > > > EAL: Virtual area found at 0x7fe96f400000 (size = 0x200000) >> > > > > EAL: Ask a virtual area of 0x200000 bytes >> > > > > EAL: Virtual area found at 0x7fe96f000000 (size = 0x200000) >> > > > > EAL: Requesting 64 pages of size 2MB from socket 0 >> > > > > EAL: TSC frequency is ~3699998 KHz >> > > > > EAL: Master lcore 0 is ready (tid=7989d8c0;cpuset=[0]) >> > > > > EAL: lcore 1 is ready (tid=6efff700;cpuset=[1]) >> > > > > EAL: No probed ethernet devices >> > > > > Interactive-mode selected >> > > > > Done >> > > > > testpmd> >> > > > > >> > > > > Thanks >> > > > > Jan Viktorin >> > > > > >> > > > > On Wed, 29 Jul 2015 12:09:06 +0300 >> > > > > ciprian.barbu <ciprian.barbu at enea.com> wrote: >> > > > > >> > > > > > >> > > > > > >> > > > > > On 28.07.2015 21:13, Jan Viktorin wrote: >> > > > > > > Hello all, >> > > > > > > >> > > > > > > I am learning how to measure throughput with dpdk. I have 4 >> cores >> > > > > > > Intel(R) Core(TM) i3-4360 CPU @ 3.70GHz and two 82545GM NICs >> > > connected >> > > > > > > together. I do not understand very well, how to setup testpmd. >> > > > > > >> > > > > > http://dpdk.org/doc >> > > > > > http://dpdk.org/doc/guides/testpmd_app_ug/run_app.html >> > > > > > http://dpdk.org/doc/quick-start >> > > > > > >> > > > > > > >> > > > > > > I've successfully bound the NICs to dpdk: >> > > > > > > >> > > > > > > $ dpdk_nic_bind --status >> > > > > > > >> > > > > > > Network devices using DPDK-compatible driver >> > > > > > > ============================================ >> > > > > > > 0000:03:00.0 '82545GM Gigabit Ethernet Controller' >> > > drv=uio_pci_generic >> > > > > unused=e1000 >> > > > > > > 0000:03:02.0 '82545GM Gigabit Ethernet Controller' >> > > drv=uio_pci_generic >> > > > > unused=e1000 >> > > > > > > >> > > > > > > Network devices using kernel driver >> > > > > > > =================================== >> > > > > > > 0000:00:19.0 'Ethernet Connection I217-V' if=eno1 drv=e1000e >> > > > > unused=uio_pci_generic *Active* >> > > > > > > >> > > > > > > Other network devices >> > > > > > > ===================== >> > > > > > > <none> >> > > > > > > >> > > > > > > and then I tried to run testpmd: >> > > > > > > >> > > > > > > sudo ./testpmd -b 0000:03:00.0 -b 0000:03:02.0 -c 0xf -n2 -- >> > > > > --nb-cores=1 --nb-ports=0 --rxd=2048 --txd=2048 --mbcache=512 >> > > --burst=512 >> > > > > > >> > > > > > >> > > > > >> > > >> http://dpdk.org/doc/guides/testpmd_app_ug/run_app.html#testpmd-command-line-options >> > > > > > >> > > > > > The -b option black lists your PCI devices, you don't need >> those. The >> > > > > > --nb-ports is of course the number of ports, it cannot be 0. >> > > > > > >> > > > > > > ... >> > > > > > > EAL: Ask a virtual area of 0x400000 bytes >> > > > > > > EAL: Virtual area found at 0x7f1549800000 (size = 0x400000) >> > > > > > > EAL: Requesting 1024 pages of size 2MB from socket 0 >> > > > > > > EAL: TSC frequency is ~3699999 KHz >> > > > > > > EAL: Master lcore 0 is ready (tid=de94a8c0;cpuset=[0]) >> > > > > > > EAL: lcore 2 is ready (tid=487fd700;cpuset=[2]) >> > > > > > > EAL: lcore 3 is ready (tid=47ffc700;cpuset=[3]) >> > > > > > > EAL: lcore 1 is ready (tid=48ffe700;cpuset=[1]) >> > > > > > > EAL: No probed ethernet devices >> > > > > > > EAL: Error - exiting with code: 1 >> > > > > > > Cause: Invalid port 0 >> > > > > > > >> > > > > > > I tried --nb-ports={0,1,2} but neither of them works. BTW, >> what >> > > does >> > > > > this option it mean? :) >> > > > > > > I could not find any description in the docs nor in the help >> (maybe >> > > > > I've omitted something). >> > > > > > > >> > > > > > > >> > > > > > > Well, if I manage the testpmd to work I need a packet >> generator, >> > > > > right? I've downloaded >> > > > > > > the dpdk-pktgen. And I am lost again. How can I start it? >> > > > > > > >> > > > > > > After several attempts (mostly trying to use the >> > > > > pktgen-master/slave.sh, what is >> > > > > > > their purpose?), the most "successful" output was: >> > > > > > > >> > > > > > > ... >> > > > > > > EAL: Detected lcore 0 as core 0 on socket 03 handles port 1 >> rx & >> > > core >> > > > > 4 handles port 0-7 tx >> > > > > > > EAL: Detected lcore 1 as core 1 on socket 0 as it does not >> matter >> > > to >> > > > > the syntax. >> > > > > > > EAL: Detected lcore 2 as core 0 on socket 0 >> > > > > > > EAL: Detected lcore 3 as core 1 on socket >> > > > > 0p/app/x86_64-native-linuxapp-gcc (master *%=) >> > > > > > > EAL: Support maximum 128 logical core(s) by configuration. >> > > > > > > EAL: Detected 4 lcore(s) >> > > > > > > EAL: No free hugepages reported in hugepages-2048kB >> > > > > > >> > > > > > You either don't have hugepages or there aren't any free left. >> > > > > > >> > > > > > > PANIC in rte_eal_init(): >> > > > > > > Cannot get hugepage information >> > > > > > > 6: [./pktgen(_start+0x29) [0x41abc9]] >> > > > > > > 5: [/usr/lib/libc.so.6(__libc_start_main+0xf0) >> [0x7f93eadcc790]] >> > > > > > > 4: [./pktgen(main+0x140) [0x419d80]] >> > > > > > > 3: [./pktgen(rte_eal_init+0xd2b) [0x4bb8bb]] >> > > > > > > 2: [./pktgen(__rte_panic+0xc9) [0x419ae5]] >> > > > > > > 1: [./pktgen(rte_dump_stack+0x16) [0x4c3946]] >> > > > > > > Aborted (core dumped) >> > > > > > > >> > > > > > > I'd like to run a simple scenario, just sending packets from >> one >> > > NIC >> > > > > to the other (or >> > > > > > > something similar) and measure the throughput. Could you >> please >> > > help >> > > > > me? >> > > > > > > >> > > > > > > Regards >> > > > > > > Jan Viktorin >> > > > > > > >> > > > > >> > > > > >> > > > > >> > > > > -- >> > > > > Jan Viktorin E-mail: Viktorin at RehiveTech.com >> > > > > System Architect Web: www.RehiveTech.com >> > > > > RehiveTech >> > > > > Brno, Czech Republic >> > > > > >> > >
