Re: [dpdk-dev] doubts on dpdk qos-sched sample application

["Dumitrescu, Cristian" <cristian.dumitrescu@intel.com>]

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Mahesh Ishwar
> Mathad
> Sent: Tuesday, July 25, 2017 7:33 AM
> To: users <users-bounces@dpdk.org>; dev@dpdk.org
> Subject: [dpdk-dev] doubts on dpdk qos-sched sample application
> 
> Hi Team,
> 
> $ ./build/qos_sched -c 0xe -n 4 -- --pfc "0,1,3,2" --cfg "profile.cfg"EAL:
> Detected 4 lcore(s)
> PMD: bnxt_rte_pmd_init() called for (null)
> EAL: PCI device 0000:01:00.0 on NUMA socket -1
> EAL: probe driver: 8086:10c9 rte_igb_pmd
> EAL: PCI device 0000:01:00.1 on NUMA socket -1
> EAL: probe driver: 8086:10c9 rte_igb_pmd
> EAL: Error - exiting with code: 1
> Cause: Cannot init mbuf pool for socket 0
> 
> I getting error something like this: Cannot init mbuf pool for socket 0.
> 
> $ grep -i Huge /proc/meminfo
> AnonHugePages: 350208 kB
> HugePages_Total: 476
> HugePages_Free: 476
> HugePages_Rsvd: 0
> HugePages_Surp: 0
> Hugepagesize: 2048 kB
> 
> Is 476 hugepages are sufficient to execute qos_sched application?
> 

Probably not enough, as traffic management requires large buffer pools.

By default, this app builds a mempool of 2M buffers for each output port:

#define NB_MBUF   (2*1024*1024)


> Could you help me in running this app as per my system configuration.
> 
> Disclaimer:- The information contained in this electronic message and any
> attachments to this message are intended for the exclusive use of the
> addressee(s) and may contain proprietary, confidential or privileged
> information. If you are not the intended recipient, you should not
> disseminate, distribute or copy this e-mail. Please notify the sender
> immediately and destroy all copies of this message and any attachments. The
> views expressed in this E-mail message (including the enclosure/(s) or
> attachment/(s) if any) are those of the individual sender, except where the
> sender expressly, and with authority, states them to be the views of
> GlobalEdge. Before opening any mail and attachments please check them for
> viruses .GlobalEdge does not accept any liability for virus infected mails.