rxrpc: Add a tracepoint to log which packets will be retransmitted
authorDavid Howells <dhowells@redhat.com>
Fri, 23 Sep 2016 12:58:55 +0000 (13:58 +0100)
committerDavid Howells <dhowells@redhat.com>
Fri, 23 Sep 2016 14:49:19 +0000 (15:49 +0100)
commitc6672e3fe4a641bf302d6309ab4d5ee55648e758
treef82db3e6572fae4c20d0e83edd5e119928e75243
parent9c7ad434441da6b5d4ac878cac368fbdaec99b56
rxrpc: Add a tracepoint to log which packets will be retransmitted

Add a tracepoint to log in rxrpc_resend() which packets will be
retransmitted.  Note that if a positive ACK comes in whilst we have dropped
the lock to retransmit another packet, the actual retransmission may not
happen, though some of the effects will (such as altering the congestion
management).

Signed-off-by: David Howells <dhowells@redhat.com>
include/trace/events/rxrpc.h
net/rxrpc/call_event.c