> On Aug 14, 2018, at 9:44 PM, Vic Wang(BJ-RD) <vicw...@zhaoxin.com> wrote: > > Dear Keith, > > There is no mbuf leak. > Now I’ve tried lastest 18.08 dpdk release and pktgen 3.5.2 with intel > 10G NIC. I found an interesting phenomenon. > It can transfer packets continuously when the pktgen command is > “./pktgen –l 0-7 –n2 -- -P –m "2.0,3.1"”. > But it only transfers packets about one second with the pktgen command > “./pktgen –l 0-7 –n2 -- -P –m "[2:3].0,[4,5].1””.
Is the [4,5].1 or did you mean [4:5].1 ? From the last set of emails you were using 2.0,3.1 and one only lasted a few seconds but now you are saying that it works on the current versions? > In other words, when tx and rx polling threads are separated, it can’t > transfer packets sustainably. > I don’t know whether it is a question. I find a way to make pktgen > work. Thank you very much. > > Best Regards. > Vic > 发件人: Wiles, Keith [mailto:keith.wi...@intel.com] > 发送时间: 2018年8月14日 22:46 > 收件人: Vic Wang(BJ-RD) <vicw...@zhaoxin.com> > 抄送: users@dpdk.org > 主题: Re: [dpdk-users] [ptkgen-dpdk] Only can send a few packets and stopped. > > > > > On Aug 14, 2018, at 9:18 AM, Vic Wang(BJ-RD) <vicw...@zhaoxin.com> wrote: > > Dear Keith, > > The machine I used is 8 cores. > Today I do another test that using intel 82599 10G NIC to tranfer packets > between pktgen and dpdk. > I use the same commands as "./pktgen –c 0xf –n2 -- -P –m "2.0,3.1"" on > pktgen side and “./test_pmd –c 0xf –n2 -- -i –portmask=0x3 –coremask=0xc” on > the dpdk side. > It is better than 1G NIC case. It can transfer packets about 3-5 minites > in random. Sometimes one port can keep transfering ,but the other port is > stopped. I don't know why it suddenly stops transfering. > I add some debug info in function pktgen_send_pkts, it seems that > pg_pktmbuf_alloc_bulk return val is not zero, so it can't call > pktgen_send_burst. > >static __inline__ void pktgen_send_pkts(port_info_t *info, uint16_t qid, > >struct rte_mempool *mp) > >{ > > uint32_t flags; > > int rc = 0; > > > > flags = rte_atomic32_read(&info->port_flags); > > > > if (flags & SEND_FOREVER) { > > rc = pg_pktmbuf_alloc_bulk(mp, > > info->q[qid].tx_mbufs.m_table, > > info->tx_burst); > > if (rc == 0) { > > info->q[qid].tx_mbufs.len = info->tx_burst; > > info->q[qid].tx_cnt += info->tx_burst; > > > > pktgen_send_burst(info, qid); > > } > > } else { > > All this suggests is the mempool/pktmbuf_pool is running out of mbufs. Can > you try the test without using random and just a single packet send test. > Getting a non-zero return for the call just means no mbufs in the pool, but > that can happen if the TX ring is larger then the number of mbufs or they are > not getting freed in the PMD or in pktgen. > > Could have mbuf leak in Pktgen but I do not think so. > > > > I will try your suggest for the lastest 18.08 release for pktgen. Thank > you very much. > > Best Regards. > Vic > 发件人: Wiles, Keith <keith.wi...@intel.com> > 发送时间: 2018年8月14日 21:31 > 收件人: Vic Wang(BJ-RD) > 抄送: users@dpdk.org > 主题: Re: [dpdk-users] [ptkgen-dpdk] Only can send a few packets and stopped. > > > > > On Aug 13, 2018, at 10:10 PM, Vic Wang(BJ-RD) <vicw...@zhaoxin.com> wrote: > > Hi Keith, > I loop the cable back to the different port on the same machine, but > it doesn’t transfer forever, just transfer about one second and stop. > Then I do another try. I use two ports on both machine A and B. On the > machine A , run pktgen with the command “./pktgen –c 0xf –n2 -- -P –m > “2.0,3.1””. And on the machine B ,run dpdk with the command “./test_pmd –c > 0xf –n2 -- -i –portmask=0x3 –coremask=0xc”. It can also only send a few > packets and stop. > The version of dpdk is v17.11.2, and the version of pktgen is 3.5.2. > The NIC I used is intel 82575 Gigabit nic. Is there any problem above?. > <image001.png> > > How many cores does this machine have? > > In the pktgen command you should really use the -l instead of the -c command > as the -l is easier to read and use. > > pktgen -l 0-3 -n2 — -P -m “2.0, 3.1” > > Also you are using extra cores then you need in the -m command, pktgen needs > one extra core for display/timers then used for ports. Using -l 1-3 would > give pktgen core 1 and 2/3 are used for the ports. > > The only other issue is the 1G PMD is not used much I think and it could have > a problem as it does not work in testpmd and pktgen. To me this is not a > pktgen problem but a problem with something else. > > The only other thing I can suggest is trying the latest 18.08 release for > pktgen and see if that works. > > > > Best Regards! > VicWang > 发件人: Wiles, Keith [mailto:keith.wi...@intel.com] > 发送时间: 2018年8月14日 5:13 > 收件人: Vic Wang(BJ-RD) <vicw...@zhaoxin.com> > 抄送: users@dpdk.org > 主题: Re: [dpdk-users] [ptkgen-dpdk] Only can send a few packets and stopped. > > > > > On Aug 13, 2018, at 9:46 AM, Vic Wang(BJ-RD) <vicw...@zhaoxin.com> wrote: > > Hi Wiles, > > The version of pktgen I used is pktgen-3.5.2. > Additional, I just use one port for recving and xmiting with "-m [2:3].0" . > > When I tried tools/pktgen-run.sh with the line "load_file = -f > test/set_seq.lua" and without starting the dpdk on computer B, it seems to > work a while. But with starting the dpdk on computer B, the pktgen on > computer A can only transfer a few packets. > > Pktgen normally works unless the command line is wrong. In your case it seems > like the Link is not up or is going up and down. If you can loop the cable > back to the same machine to a different port (if you have two ports). > > > > Best Regards! > VicWang > 发件人: Wiles, Keith <keith.wi...@intel.com> > 发送时间: 2018年8月13日 21:18 > 收件人: Vic Wang(BJ-RD) > 抄送: users@dpdk.org > 主题: Re: [dpdk-users] [ptkgen-dpdk] Only can send a few packets and stopped. > > > > > On Aug 13, 2018, at 6:01 AM, Vic Wang(BJ-RD) <vicw...@zhaoxin.com> wrote: > > > > Hi, > > When I run pktgen-dpdk on computer A and run dpdk on computer B, the > > pktgen can only send a few packets( about one second) and stopped. > > The command on A side is ./tools/pktgen-run.sh. > > I modified some line in the tools/pktgen-run.sh to suit my computer. > > The critical line is "load_file = "-f test/tx-rx-loopback.lua"". I also > > tried "load_file = -f test/set_seq.lua". But it also only can send a few > > packets and stopped. > > Does anyone do it successful? I need your help, thanks very much. > > Can you please tell me the version of pktgen and I would like to see the > command line that is printed when run the script. > > > > > Best Regards! > > VicWang > > > > > > > > ????? > > ????????????????????????????????????????????????????? > > CONFIDENTIAL NOTE: > > This email contains confidential or legally privileged information and is > > for the sole use of its intended recipient. Any unauthorized review, use, > > copying or forwarding of this email or the content of this email is > > strictly prohibited. > > These notices are not valid on a public email list, please remove them when > sending to this public list. > > > Regards, > Keith > > > > 保密声明： > 本邮件含有保密或专有信息，仅供指定收件人使用。严禁对本邮件或其内容做任何未经授权的查阅、使用、复制或转发。 > CONFIDENTIAL NOTE: > This email contains confidential or legally privileged information and is for > the sole use of its intended recipient. Any unauthorized review, use, copying > or forwarding of this email or the content of this email is strictly > prohibited. > > Regards, > Keith > > > > > 保密声明： > 本邮件含有保密或专有信息，仅供指定收件人使用。严禁对本邮件或其内容做任何未经授权的查阅、使用、复制或转发。 > CONFIDENTIAL NOTE: > This email contains confidential or legally privileged information and is for > the sole use of its intended recipient. Any unauthorized review, use, copying > or forwarding of this email or the content of this email is strictly > prohibited. > > Regards, > Keith > > > > 保密声明： > 本邮件含有保密或专有信息，仅供指定收件人使用。严禁对本邮件或其内容做任何未经授权的查阅、使用、复制或转发。 > CONFIDENTIAL NOTE: > This email contains confidential or legally privileged information and is for > the sole use of its intended recipient. Any unauthorized review, use, copying > or forwarding of this email or the content of this email is strictly > prohibited. > > Regards, > Keith > > > > > 保密声明： > 本邮件含有保密或专有信息，仅供指定收件人使用。严禁对本邮件或其内容做任何未经授权的查阅、使用、复制或转发。 > CONFIDENTIAL NOTE: > This email contains confidential or legally privileged information and is for > the sole use of its intended recipient. Any unauthorized review, use, copying > or forwarding of this email or the content of this email is strictly > prohibited. Regards, Keith
