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authorWillem de Bruijn <willemb@google.com>2015-05-12 11:56:50 -0400
committerDavid S. Miller <davem@davemloft.net>2015-05-13 15:43:00 -0400
commita9b6391814d5d6b8668fca2dace86949b7244e2e (patch)
tree69d0024af991cefa3620b31bdbb094fe42723b72 /drivers/hwtracing
parent3b3a5b0aab5b9ad345d4beb9a364a7dd02c23d40 (diff)
downloadlinux-a9b6391814d5d6b8668fca2dace86949b7244e2e.tar.bz2
packet: rollover statistics
Rollover indicates exceptional conditions. Export a counter to inform socket owners of this state. If no socket with sufficient room is found, rollover fails. Also count these events. Finally, also count when flows are rolled over early thanks to huge flow detection, to validate its correctness. Tested: Read counters in bench_rollover on all other tests in the patchset Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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