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authorDavid Howells <dhowells@redhat.com>2016-09-17 10:49:13 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-17 11:24:03 +0100
commita124fe3ee5d82f2c9a9b8818ed5cb9f61685f1d3 (patch)
tree460767b547c2b0c39388f857783f543a906a2889 /net/rxrpc/input.c
parent363deeab6d0f308d33d011323661ae9cf5f9f8d6 (diff)
rxrpc: Add a tracepoint to follow the life of a packet in the Tx buffer
Add a tracepoint to follow the insertion of a packet into the transmit buffer, its transmission and its rotation out of the buffer. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/input.c')
-rw-r--r--net/rxrpc/input.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index c1f83d22f9b7..c7eb5104e91a 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -59,6 +59,7 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to)
spin_unlock(&call->lock);
+ trace_rxrpc_transmit(call, rxrpc_transmit_rotate);
wake_up(&call->waitq);
while (list) {
@@ -107,6 +108,7 @@ static bool rxrpc_end_tx_phase(struct rxrpc_call *call, const char *abort_why)
}
write_unlock(&call->state_lock);
+ trace_rxrpc_transmit(call, rxrpc_transmit_end);
_leave(" = ok");
return true;
}