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linux/net/core/dev.c
Willem de Bruijn e7fd288538 net-timestamp: SCHED timestamp on entering packet scheduler 
Kernel transmit latency is often incurred in the packet scheduler.
Introduce a new timestamp on transmission just before entering the
scheduler. When data travels through multiple devices (bonding,
tunneling, ...) each device will export an individual timestamp.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-05 16:35:54 -07:00

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