On Tue, 2016-08-30 at 00:03 +0800, Jia He wrote:Thanks, you are right. I misunderstand the comments of source codes.
This patch exchanges the two loop for collecting the percpu statisticsThis is obviously not true.
data. This can aggregate the data by going through all the items of each
cpu sequentially. In snmp_seq_show, just use one buff copy to dislay the
Udp and UdpLite data because they are the same.
On my laptop it seems it handled no UdpLite frames, but got plenty of
$ grep Udp /proc/net/snmp
Udp: InDatagrams NoPorts InErrors OutDatagrams RcvbufErrors SndbufErrors InCsumErrors
Udp: 1555889 108318 0 3740780 0 0 0
UdpLite: InDatagrams NoPorts InErrors OutDatagrams RcvbufErrors SndbufErrors InCsumErrors
UdpLite: 0 0 0 0 0 0 0