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| author | David Howells <dhowells@redhat.com> | 2016-09-17 10:49:13 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2016-09-17 11:24:03 +0100 |
| commit | a124fe3ee5d82f2c9a9b8818ed5cb9f61685f1d3 (patch) | |
| tree | 460767b547c2b0c39388f857783f543a906a2889 /include/trace/events | |
| parent | 363deeab6d0f308d33d011323661ae9cf5f9f8d6 (diff) | |
| download | op-kernel-dev-a124fe3ee5d82f2c9a9b8818ed5cb9f61685f1d3.zip op-kernel-dev-a124fe3ee5d82f2c9a9b8818ed5cb9f61685f1d3.tar.gz | |
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 'include/trace/events')
| -rw-r--r-- | include/trace/events/rxrpc.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index c0c496c..ffc74b3 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -208,6 +208,32 @@ TRACE_EVENT(rxrpc_abort, __entry->abort_code, __entry->error, __entry->why) ); +TRACE_EVENT(rxrpc_transmit, + TP_PROTO(struct rxrpc_call *call, enum rxrpc_transmit_trace why), + + TP_ARGS(call, why), + + TP_STRUCT__entry( + __field(struct rxrpc_call *, call ) + __field(enum rxrpc_transmit_trace, why ) + __field(rxrpc_seq_t, tx_hard_ack ) + __field(rxrpc_seq_t, tx_top ) + ), + + TP_fast_assign( + __entry->call = call; + __entry->why = why; + __entry->tx_hard_ack = call->tx_hard_ack; + __entry->tx_top = call->tx_top; + ), + + TP_printk("c=%p %s f=%08x n=%u", + __entry->call, + rxrpc_transmit_traces[__entry->why], + __entry->tx_hard_ack + 1, + __entry->tx_top - __entry->tx_hard_ack) + ); + #endif /* _TRACE_RXRPC_H */ /* This part must be outside protection */ |
