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| author | David Howells <dhowells@redhat.com> | 2018-03-27 23:02:47 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2018-03-27 23:02:47 +0100 |
| commit | 827efed6a66ef8a1c071400b5952fee4a5ffedf9 (patch) | |
| tree | e78399fd82660abab6d225b8326b041a2fdbf621 /net/rxrpc | |
| parent | 5d22d47b9ed96eddb35821dc2cc4f629f45827f7 (diff) | |
| download | linux-827efed6a66ef8a1c071400b5952fee4a5ffedf9.tar.bz2 | |
rxrpc: Trace resend
Add a tracepoint to trace packet resend events and to dump the Tx
annotation buffer for added illumination.
Signed-off-by: David Howells <dhowells@rdhat.com>
Diffstat (limited to 'net/rxrpc')
| -rw-r--r-- | net/rxrpc/call_event.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index ad2ab1103189..6a62e42e1d8d 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -195,6 +195,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) * the packets in the Tx buffer we're going to resend and what the new * resend timeout will be. */ + trace_rxrpc_resend(call, (cursor + 1) & RXRPC_RXTX_BUFF_MASK); oldest = now; for (seq = cursor + 1; before_eq(seq, top); seq++) { ix = seq & RXRPC_RXTX_BUFF_MASK; |