Craig please try allocating more pages, they are probably not enough to prefill the NIC buffers.
Alfredo > On 01 Oct 2015, at 19:34, Craig Merchant <[email protected]> wrote: > > Node 0 AnonHugePages: 0 kB > Node 0 HugePages_Total: 16 > Node 0 HugePages_Free: 16 > Node 0 HugePages_Surp: 0 > Node 1 AnonHugePages: 0 kB > Node 1 HugePages_Total: 16 > Node 1 HugePages_Free: 16 > Node 1 HugePages_Surp: 0 > > From: Alfredo Cardigliano [mailto:[email protected]] > Sent: Thursday, October 01, 2015 12:57 AM > To: [email protected] > Subject: Re: [Ntop-misc] ZC hugepages error > > Hi Craig > please provide cat /sys/devices/system/node/node*/meminfo | grep Huge > > Alfredo > > On 01 Oct 2015, at 01:11, Craig Merchant <[email protected] > <mailto:[email protected]>> wrote: > > I am trying to get ZC up and running on Oracle Enterprise Linux 7 (Linux > ord12-v-sec-cap-05 3.10.0-229.11.1.el7.x86_64 #1 SMP Wed Aug 5 13:40:15 PDT > 2015 x86_64 x86_64 x86_64 GNU/Linux) using the latest version of pf_ring. > > I have licenses for both of my interfaces. > > I have installed the pf_ring and ZC ixgbe driver. I’ve tried running zsend > on one of my ZC capable interfaces, but I get the following: > > ./zsend -i zc:enp48s0f0 -c 1 -g 0 -b 8 -l 60 > pfring_zc_create_cluster error [No buffer space available] Please check your > hugetlb configuration > > My hugepages config is: > > sysctl -a | grep huge > vm.hugepages_treat_as_movable = 0 > vm.hugetlb_shm_group = 0 > vm.nr_hugepages = 32 > vm.nr_hugepages_mempolicy = 32 > vm.nr_overcommit_hugepages = 0 > > cat /proc/meminfo | grep Hugepagesize > Hugepagesize: 1048576 kB > > I would think that 32 x 1 GB hugepages would be enough… > > On the file system, they are mounted: > > mount | grep huge > cgroup on /sys/fs/cgroup/hugetlb type cgroup > (rw,nosuid,nodev,noexec,relatime,hugetlb) > hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime) > nodev on /mnt/hugepages type hugetlbfs (rw,relatime) > > Any thoughts as to what I am doing wrong here…? > > Thx. > > C > _______________________________________________ > Ntop-misc mailing list > [email protected] <mailto:[email protected]> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > <http://listgateway.unipi.it/mailman/listinfo/ntop-misc> > > _______________________________________________ > Ntop-misc mailing list > [email protected] <mailto:[email protected]> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > <http://listgateway.unipi.it/mailman/listinfo/ntop-misc>
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