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author | David Howells <dhowells@redhat.com> | 2017-01-05 10:38:34 +0000 |
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committer | David Howells <dhowells@redhat.com> | 2017-01-05 11:39:12 +0000 |
commit | b1d9f7fde0bb6c143a9a5b9246ea191e28f2c364 (patch) | |
tree | dacc3237dc81098e076b60aa6fe8ba80c22e746c /include/trace/events/rxrpc.h | |
parent | b54a134a7de461f804cf0e28331d0a43ee82fb13 (diff) | |
download | linux-b1d9f7fde0bb6c143a9a5b9246ea191e28f2c364.tar.gz linux-b1d9f7fde0bb6c143a9a5b9246ea191e28f2c364.tar.bz2 linux-b1d9f7fde0bb6c143a9a5b9246ea191e28f2c364.zip |
rxrpc: Add some more tracing
Add the following extra tracing information:
(1) Modify the rxrpc_transmit tracepoint to record the Tx window size as
this is varied by the slow-start algorithm.
(2) Modify the rxrpc_rx_ack tracepoint to record more information from
received ACK packets.
(3) Add an rxrpc_rx_data tracepoint to record the information in DATA
packets.
(4) Add an rxrpc_disconnect_call tracepoint to record call disconnection,
including the reason the call was disconnected.
(5) Add an rxrpc_improper_term tracepoint to record implicit termination
of a call by a client either by starting a new call on a particular
connection channel without first transmitting the final ACK for the
previous call.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/trace/events/rxrpc.h')
-rw-r--r-- | include/trace/events/rxrpc.h | 94 |
1 files changed, 89 insertions, 5 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index 2395a57462c9..593f586545eb 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -595,6 +595,7 @@ TRACE_EVENT(rxrpc_transmit, __field(enum rxrpc_transmit_trace, why ) __field(rxrpc_seq_t, tx_hard_ack ) __field(rxrpc_seq_t, tx_top ) + __field(int, tx_winsize ) ), TP_fast_assign( @@ -602,38 +603,81 @@ TRACE_EVENT(rxrpc_transmit, __entry->why = why; __entry->tx_hard_ack = call->tx_hard_ack; __entry->tx_top = call->tx_top; + __entry->tx_winsize = call->tx_winsize; ), - TP_printk("c=%p %s f=%08x n=%u", + TP_printk("c=%p %s f=%08x n=%u/%u", __entry->call, __print_symbolic(__entry->why, rxrpc_transmit_traces), __entry->tx_hard_ack + 1, - __entry->tx_top - __entry->tx_hard_ack) + __entry->tx_top - __entry->tx_hard_ack, + __entry->tx_winsize) + ); + +TRACE_EVENT(rxrpc_rx_data, + TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq, + rxrpc_serial_t serial, u8 flags, u8 anno), + + TP_ARGS(call, seq, serial, flags, anno), + + TP_STRUCT__entry( + __field(struct rxrpc_call *, call ) + __field(rxrpc_seq_t, seq ) + __field(rxrpc_serial_t, serial ) + __field(u8, flags ) + __field(u8, anno ) + ), + + TP_fast_assign( + __entry->call = call; + __entry->seq = seq; + __entry->serial = serial; + __entry->flags = flags; + __entry->anno = anno; + ), + + TP_printk("c=%p DATA %08x q=%08x fl=%02x a=%02x", + __entry->call, + __entry->serial, + __entry->seq, + __entry->flags, + __entry->anno) ); TRACE_EVENT(rxrpc_rx_ack, - TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t first, u8 reason, u8 n_acks), + TP_PROTO(struct rxrpc_call *call, + rxrpc_serial_t serial, rxrpc_serial_t ack_serial, + rxrpc_seq_t first, rxrpc_seq_t prev, u8 reason, u8 n_acks), - TP_ARGS(call, first, reason, n_acks), + TP_ARGS(call, serial, ack_serial, first, prev, reason, n_acks), TP_STRUCT__entry( __field(struct rxrpc_call *, call ) + __field(rxrpc_serial_t, serial ) + __field(rxrpc_serial_t, ack_serial ) __field(rxrpc_seq_t, first ) + __field(rxrpc_seq_t, prev ) __field(u8, reason ) __field(u8, n_acks ) ), TP_fast_assign( __entry->call = call; + __entry->serial = serial; + __entry->ack_serial = ack_serial; __entry->first = first; + __entry->prev = prev; __entry->reason = reason; __entry->n_acks = n_acks; ), - TP_printk("c=%p %s f=%08x n=%u", + TP_printk("c=%p %08x %s r=%08x f=%08x p=%08x n=%u", __entry->call, + __entry->serial, __print_symbolic(__entry->reason, rxrpc_ack_names), + __entry->ack_serial, __entry->first, + __entry->prev, __entry->n_acks) ); @@ -1001,6 +1045,46 @@ TRACE_EVENT(rxrpc_congest, __entry->sum.retrans_timeo ? " rTxTo" : "") ); +TRACE_EVENT(rxrpc_disconnect_call, + TP_PROTO(struct rxrpc_call *call), + + TP_ARGS(call), + + TP_STRUCT__entry( + __field(struct rxrpc_call *, call ) + __field(u32, abort_code ) + ), + + TP_fast_assign( + __entry->call = call; + __entry->abort_code = call->abort_code; + ), + + TP_printk("c=%p ab=%08x", + __entry->call, + __entry->abort_code) + ); + +TRACE_EVENT(rxrpc_improper_term, + TP_PROTO(struct rxrpc_call *call), + + TP_ARGS(call), + + TP_STRUCT__entry( + __field(struct rxrpc_call *, call ) + __field(u32, abort_code ) + ), + + TP_fast_assign( + __entry->call = call; + __entry->abort_code = call->abort_code; + ), + + TP_printk("c=%p ab=%08x", + __entry->call, + __entry->abort_code) + ); + #endif /* _TRACE_RXRPC_H */ /* This part must be outside protection */ |