On 7.7.2020. 10:51, David Gwynne wrote:
> unfortunately em(4) covers a lot of chips of different vintages, so if
> anyone has a super old one they can try this diff on with kstat enabled
> in their kernel config, that would be appreciated.
Hi,
don't know if 82576 is old or super old but here are results ...
i'm sending udp with random packet size from 64b to 1500b from host
connected to em1 to host connected to em0..
em0:0:em-stats:0
rx crc errs: 0 packets
rx align errs: 0 packets
rx align errs: 0 packets
rx errs: 0 packets
rx missed: 0 packets
tx single coll: 0 packets
tx excess coll: 0 packets
tx multi coll: 0 packets
tx late coll: 0 packets
tx coll: 0
tx defers: 0
tx no CRS: 0 packets
seq errs: 0
carr ext errs: 0 packets
rx len errs: 0 packets
rx xon: 0 packets
tx xon: 0 packets
rx xoff: 0 packets
tx xoff: 0 packets
FC unsupported: 0 packets
rx 64B: 33 packets
rx 65-127B: 0 packets
rx 128-255B: 1187 packets
rx 256-511B: 0 packets
rx 512-1023B: 0 packets
rx 1024-maxB: 0 packets
rx good: 1220 packets
rx bcast: 0 packets
rx mcast: 1187 packets
tx good: 4739699733 packets
rx good: 278683 bytes
tx good: 6180591344197 bytes
rx no buffers: 0 packets
rx undersize: 0 packets
rx fragments: 0 packets
rx oversize: 0 packets
rx jabbers: 0 packets
rx mgmt: 0 packets
rx mgmt drops: 0 packets
tx mgmt: 0 packets
rx total: 279844 bytes
tx total: 4157661749214 bytes
rx total: 1233 packets
tx total: 4739699732 packets
tx 64B: 67510552 packets
tx 65-127B: 231664682 packets
tx 128-255B: 470662473 packets
tx 256-511B: 941174688 packets
tx 512-1023B: 1881674253 packets
tx 1024-maxB: 1768714760 packets
tx mcast: 1188 packets
tx bcast: 33 packets
em0:0:rxq:0
packets: 1220 packets
bytes: 273803 bytes
qdrops: 0 packets
errors: 0 packets
qlen: 0 packets
em0:0:txq:0
packets: 5361401666 packets
bytes: 4136216461234 bytes
qdrops: 1334588 packets
errors: 0 packets
qlen: 0 packets
maxqlen: 511 packets
oactive: false
em1:0:em-stats:0
rx crc errs: 0 packets
rx align errs: 0 packets
rx align errs: 0 packets
rx errs: 0 packets
rx missed: 38992552 packets
tx single coll: 0 packets
tx excess coll: 0 packets
tx multi coll: 0 packets
tx late coll: 0 packets
tx coll: 0
tx defers: 0
tx no CRS: 0 packets
seq errs: 0
carr ext errs: 0 packets
rx len errs: 0 packets
rx xon: 0 packets
tx xon: 0 packets
rx xoff: 0 packets
tx xoff: 0 packets
FC unsupported: 0 packets
rx 64B: 81172363 packets
rx 65-127B: 231666120 packets
rx 128-255B: 470687906 packets
rx 256-511B: 941373440 packets
rx 512-1023B: 1882746880 packets
rx 1024-maxB: 1768751378 packets
rx good: 4753594331 packets
rx bcast: 0 packets
rx mcast: 1186 packets
tx good: 1188 packets
rx good: 17400682469430 bytes
tx good: 191268 bytes
rx no buffers: 1151692 packets
rx undersize: 0 packets
rx fragments: 0 packets
rx oversize: 0 packets
rx jabbers: 0 packets
rx mgmt: 0 packets
rx mgmt drops: 0 packets
tx mgmt: 0 packets
rx total: 4161793823633 bytes
tx total: 191268 bytes
rx total: 4792586884 packets
tx total: 1188 packets
tx 64B: 0 packets
tx 65-127B: 0 packets
tx 128-255B: 1188 packets
tx 256-511B: 0 packets
tx 512-1023B: 0 packets
tx 1024-maxB: 0 packets
tx mcast: 1188 packets
tx bcast: 0 packets
em1:0:rxq:0
packets: 5376398072 packets
bytes: 4137792685172 bytes
qdrops: 13661822 packets
errors: 0 packets
qlen: 0 packets
em1:0:txq:0
packets: 1189 packets
bytes: 186558 bytes
qdrops: 1 packets
errors: 0 packets
qlen: 0 packets
maxqlen: 511 packets
oactive: false
