On 8/18/17 1:14 PM, Eric Dumazet wrote: > On Fri, 2017-08-18 at 03:21 -0700, Stéphan Gorget wrote: >> Those counters are exported for raw and udp but not for tcp, though they >> are incremented. >> >> An example where it is useful is chasing listen overflow. Listen overflow >> are counted as a global counter in LINUX_MIB_LISTENOVERFLOWS accessible >> in /proc/net/netstat but there is no way to find related drops in the >> information exported for tcp. With this patch it will make possible to >> correlate growth of LINUX_MIB_LISTENOVERFLOWS with growth of drops for >> a tcp socket. > > Simply use iproute2/ss tool to access this information in a very > efficient way (like filtering done in the kernel, instead having to > parse a gigantic /proc output) > > lpaa5:~# ss -tm state listening src :22
Thanks for the quick response, I'll use ss with those options that's exactly what I needed.
