In this serise, we do a lot of job to optimize COLO net performance.
Mainly focus on TCP protocol.

V6:
 - Cover rare situation in patch1.

V5:
 - Fix bug in colo_packet_compare_common().
 - Fix patch3 ascii graph style.

V4:
 - Remove the old patch1.

V3:
 - Rebase on upstream.
 - Remove origin p2.
 - Move the "checkpoint_time_ms" to CompareState,
   in order to aviod multi colo-compare instance conflict.
 - Add "TODO comments" for reset s->checkpoint_time_ms.
 - Add a new patch fix comments and scheme.

V2:
 - Rename p2's subject.


Zhang Chen (3):
  net/colo-compare.c: Optimize unpredictable tcp options comparison
  net/colo-compare.c: Adjust net queue pop order for performance
  net/colo-compare.c: Fix comments and scheme

 net/colo-compare.c | 102 +++++++++++++++++++++++++++++++----------------------
 1 file changed, 60 insertions(+), 42 deletions(-)

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2.7.4