From: Yu Yang <yyangplus@gmail.com>
To: "users@dpdk.org" <users@dpdk.org>
Subject: [dpdk-users] Performance degradation after the program running for awhile
Date: Mon, 31 Jul 2017 07:42:10 +0000 [thread overview]
Message-ID: <CAML2tiR2hbpLkF3X+i1jCt-JQ4hguXVaZwvs1N_ZAUczZPQ4ng@mail.gmail.com> (raw)
My program is a dns server implemented with run-to-completion model, when I
start it with 11 cores, it has a normal performance(12M qps), but after
5-10 minutes, the qps decreased to 7M, I used Intel vTune Amplifier to
analysis the process and found the top 2 hotspots is *ixgbe_recv_pkts_vec*
and *rte_eth_rx_burst. * my test environments is:
CPU: E5-2650(two sockets)
memory: 64GB
OS: ubuntu 16.04 64bits
Any advices on how to solve this strange problem?
thx
reply other threads:[~2017-07-31 7:42 UTC|newest]
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