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authorMihai Maruseac <mihai.maruseac@gmail.com>2011-10-20 16:45:10 -0400
committerDavid S. Miller <davem@davemloft.net>2011-10-21 02:54:38 -0400
commitf04565ddf52e401880f8ba51de0dff8ba51c99fd (patch)
tree720ebd86cb3012319023389a54ae7152073d6bdb /net/ipv4/tcp.c
parente09eff7fc1c6f011f7bdb304e10d2ceef08c88ab (diff)
dev: use name hash for dev_seq_ops
Instead of using the dev->next chain and trying to resync at each call to dev_seq_start, use the name hash, keeping the bucket and the offset in seq->private field. Tests revealed the following results for ifconfig > /dev/null * 1000 interfaces: * 0.114s without patch * 0.089s with patch * 3000 interfaces: * 0.489s without patch * 0.110s with patch * 5000 interfaces: * 1.363s without patch * 0.250s with patch * 128000 interfaces (other setup): * ~100s without patch * ~30s with patch Signed-off-by: Mihai Maruseac <mmaruseac@ixiacom.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
0 files changed, 0 insertions, 0 deletions