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authorDaniel Borkmann <dborkman@redhat.com>2013-05-31 15:07:15 +0200
committerDaniel Borkmann <dborkman@redhat.com>2013-05-31 15:07:15 +0200
commitd8cdc6ab87550de9c93b1f6763ea6015f292d7fb (patch)
treee45481799a4436a4c5cb091151e2475e4da7df5c /xio.h
parentcacb34f95fb7937e81b1fe8add7b5dca91e3a4c5 (diff)
ring: netsniff-ng: migrate capture only to TPACKET_V3
Lets migrate capturing to TPACKET_V3, since it will bring a better performance due to fewer page cache misses caused by a higher density of packets, since now they are contigous placed in the ring buffer. It is said that TPACKET_V3 brings the following benefits: *) ~15 - 20% reduction in CPU-usage *) ~20% increase in packet capture rate *) ~2x increase in packet density *) Port aggregation analysis *) Non static frame size to capture entire packet payload Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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