[dpdk-dev] ACL memory allocation failures

Ananyev, Konstantin konstantin.ananyev at intel.com
Fri Feb 26 11:53:09 CET 2016



> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Rapelly, Varun
> Sent: Friday, February 26, 2016 10:28 AM
> To: dev at dpdk.org
> Subject: Re: [dpdk-dev] ACL memory allocation failures
> 
> Hi All,
> 
> When I'm trying to configure some 5000+ ACL rules with different source IP addresses, getting ACL memory allocation failure. I'm using
> DPDK 2.1.
> 
> [root at ACLISSUE log_2015_10_26_08_19_42]# vim np.log
> match nodes/bytes used: 816/104448
> total: 12940832 bytes
> ACL: Build phase for ACL "ipv4_acl_table2":
> memory consumed: 947913495
> ACL: trie 0: number of rules: 816
> ACL: allocation of 12966528 bytes on socket 0 for ipv4_acl_table1 failed
> ACL: Build phase for ACL "ipv4_acl_table1":
> memory consumed: 947913495
> ACL: trie 0: number of rules: 817
> EAL: Error - exiting with code: 1
>   Cause: Failed to build ACL trie
> 
> Again sourced the ACL config file. After adding around 77 again the same error came.
> 
> total: 14912784 bytes
> ACL: Build phase for ACL "ipv4_acl_table1":
> memory consumed: 1040188260
> ACL: trie 0: number of rules: 893
> ACL: allocation of 14938480 bytes on socket 0 for ipv4_acl_table2 failed

You are running out of hugepages memory.

> ACL: Build phase for ACL "ipv4_acl_table2":
> memory consumed: 1040188260
> ACL: trie 0: number of rules: 894
> EAL: Error - exiting with code: 1
>   Cause: Failed to build ACL trie
> 
> Where to increase the memory to avoid this issue?

 Refer to:
http://dpdk.org/doc/guides/linux_gsg/sys_reqs.html#running-dpdk-applications
Section 2.3.2 

Konstantin



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