I've noticed some strange output from sar when running zbalance_ipc. It seems I only get stats every other second, on odd seconds in this case:
% sar -n DEV 1 10 | grep ens5f0
05:58:09 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s
txcmp/s rxmcst/s
05:58:09 PM ens5f0 1001033.00 0.00 1440901.59 0.00 0.00
0.00 20.00
05:58:10 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00
05:58:11 PM ens5f0 1024305.00 0.00 1422458.64 0.00 0.00
0.00 24.00
05:58:12 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00
05:58:13 PM ens5f0 1028284.00 0.00 1567748.74 0.00 0.00
0.00 36.00
05:58:14 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00
05:58:15 PM ens5f0 1037512.00 0.00 1568361.43 0.00 0.00
0.00 20.00
05:58:16 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00
05:58:17 PM ens5f0 1009894.00 0.00 1482515.69 0.00 0.00
0.00 10.00
05:58:18 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00
Average: ens5f0 510102.80 0.00 748198.61 0.00 0.00
0.00 11.00
Checking for drops, I see them on the even seconds:
% sar -n EDEV 1 10 | grep ens5f0
05:58:38 PM IFACE rxerr/s txerr/s coll/s rxdrop/s txdrop/s
txcarr/s rxfram/s rxfifo/s txfifo/s
05:58:39 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
05:58:40 PM ens5f0 0.00 0.00 0.00 629536.00 0.00
0.00 0.00 0.00 0.00
05:58:41 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
05:58:42 PM ens5f0 0.00 0.00 0.00 517831.00 0.00
0.00 0.00 0.00 0.00
05:58:43 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
05:58:44 PM ens5f0 0.00 0.00 0.00 558658.00 0.00
0.00 0.00 0.00 0.00
05:58:45 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
05:58:46 PM ens5f0 0.00 0.00 0.00 595583.00 0.00
0.00 0.00 0.00 0.00
05:58:47 PM ens5f0 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
05:58:48 PM ens5f0 0.00 0.00 0.00 588821.00 0.00
0.00 0.00 0.00 0.00
Average: ens5f0 0.00 0.00 0.00 289042.90 0.00
0.00 0.00 0.00 0.00
ethtool is reporting a lot of missed packets:
% ethtool -S ens5f0 | egrep 'rx_dropped|rx_missed|rx_packets|errors'
rx_packets: 1775168454257
rx_errors: 0
tx_errors: 0
rx_dropped: 0
rx_over_errors: 0
rx_crc_errors: 0
rx_frame_errors: 0
rx_fifo_errors: 0
rx_missed_errors: 1031957653637
tx_aborted_errors: 0
tx_carrier_errors: 0
tx_fifo_errors: 0
tx_heartbeat_errors: 0
rx_length_errors: 0
rx_long_length_errors: 0
rx_short_length_errors: 0
rx_csum_offload_errors: 13923182
fcoe_last_errors: 0
zbalance_ipc :
/usr/local/pf/sbin/zbalance_ipc -i ens5f0 -m 4 -n 48 -c 99 -g 70 -S 71 -p
48 snorts are running along with zbalance_ipc .
Can anyone account for this behavior? Is zbalance_ipc unable to keep up,
or are there config changes I should make?
Card info :
81:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+
Network Connection (rev 01)
Thanks,
--
Jim Hranicky
Data Security Specialist
UF Information Technology
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