Am 24.09.20 um 11:53 schrieb Marc Kleine-Budde: > On 9/24/20 11:41 AM, Wolfgang Grandegger wrote: >> Hello, >> >> candump can monitor the count of dropped RX messages if the socket >> buffer if full with the option "-d". Is there also a command to list >> that drop count of a certain socket, e.g. "ss"? > > I haven't tested it, but what about "ss -m" > >> -m, --memory >> Show socket memory usage. The output format is: >> >> skmem:(r<rmem_alloc>,rb<rcv_buf>,t<wmem_alloc>,tb<snd_buf>, >> f<fwd_alloc>,w<wmem_queued>,o<opt_mem>, >> bl<back_log>,d<sock_drop>) Hm, the TCP sockets report such a line but I cannot find my CAN socket in there opened by "candump": # ss -p| grep candump "ss" seams not (yet) to support "AF_CAN" sockets :(. Wolfgang