diff options
| 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 | 58dc63c998ea3c5a27e2bf9251eddbf0977056a6 (patch) | |
| tree | 8567efc32e9fb834e90290adcb3ff3a7a1f06610 /include/trace | |
| parent | rxrpc: Add a tracepoint to log ACK transmission (diff) | |
| download | linux-dev-58dc63c998ea3c5a27e2bf9251eddbf0977056a6.tar.xz linux-dev-58dc63c998ea3c5a27e2bf9251eddbf0977056a6.zip | |
rxrpc: Add a tracepoint to follow packets in the Rx buffer
Add a tracepoint to follow the life of packets that get added to a call's
receive buffer.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/rxrpc.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index d545d692ae22..7dd5f0188681 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -290,6 +290,39 @@ TRACE_EVENT(rxrpc_tx_ack, __entry->n_acks) ); +TRACE_EVENT(rxrpc_receive, + TP_PROTO(struct rxrpc_call *call, enum rxrpc_receive_trace why, + rxrpc_serial_t serial, rxrpc_seq_t seq), + + TP_ARGS(call, why, serial, seq), + + TP_STRUCT__entry( + __field(struct rxrpc_call *, call ) + __field(enum rxrpc_receive_trace, why ) + __field(rxrpc_serial_t, serial ) + __field(rxrpc_seq_t, seq ) + __field(rxrpc_seq_t, hard_ack ) + __field(rxrpc_seq_t, top ) + ), + + TP_fast_assign( + __entry->call = call; + __entry->why = why; + __entry->serial = serial; + __entry->seq = seq; + __entry->hard_ack = call->rx_hard_ack; + __entry->top = call->rx_top; + ), + + TP_printk("c=%p %s r=%08x q=%08x w=%08x-%08x", + __entry->call, + rxrpc_receive_traces[__entry->why], + __entry->serial, + __entry->seq, + __entry->hard_ack, + __entry->top) + ); + #endif /* _TRACE_RXRPC_H */ /* This part must be outside protection */ |