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rxrpc: Add a tracepoint to follow the life of a packet in the Tx buffer

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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>
This commit is contained in:
David Howells
2016-09-17 10:49:13 +01:00
parent 363deeab6d
commit a124fe3ee5
5 changed files with 57 additions and 1 deletions
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12
net/rxrpc/ar-internal.h
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@@ -593,6 +593,18 @@ enum rxrpc_call_trace {
extern const char rxrpc_call_traces[rxrpc_call__nr_trace][4];
enum rxrpc_transmit_trace {
rxrpc_transmit_wait,
rxrpc_transmit_queue,
rxrpc_transmit_queue_reqack,
rxrpc_transmit_queue_last,
rxrpc_transmit_rotate,
rxrpc_transmit_end,
rxrpc_transmit__nr_trace
};
extern const char rxrpc_transmit_traces[rxrpc_transmit__nr_trace][4];
extern const char *const rxrpc_pkts[];
extern const char *rxrpc_acks(u8 reason);