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| author | David Howells <dhowells@redhat.com> | 2016-09-06 21:19:51 (GMT) |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2016-09-07 15:34:40 (GMT) |
| commit | 5a42976d4fe5d7fddce133de995c742c87b1b7e3 (patch) | |
| tree | 7d12902e3a9b0d54ebd6075950e0f8487646a6ea /include | |
| parent | e8d6bbb05aa5cb985c3661d0db4f858f1d251326 (diff) | |
| download | linux-5a42976d4fe5d7fddce133de995c742c87b1b7e3.tar.xz | |
rxrpc: Add tracepoint for working out where aborts happen
Add a tracepoint for working out where local aborts happen. Each
tracepoint call is labelled with a 3-letter code so that they can be
distinguished - and the DATA sequence number is added too where available.
rxrpc_kernel_abort_call() also takes a 3-letter code so that AFS can
indicate the circumstances when it aborts a call.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/af_rxrpc.h | 3 | ||||
| -rw-r--r-- | include/trace/events/rxrpc.h | 29 |
2 files changed, 31 insertions, 1 deletions
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h index b4b6a36..08ed872 100644 --- a/include/net/af_rxrpc.h +++ b/include/net/af_rxrpc.h @@ -35,7 +35,8 @@ int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, struct msghdr *, size_t); int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, void *, size_t, size_t *, bool, u32 *); -void rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, u32); +void rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, + u32, int, const char *); void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, unsigned long, rxrpc_notify_rx_t); diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index 3016489..85ee035 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -84,6 +84,35 @@ TRACE_EVENT(rxrpc_skb, __entry->where) ); +TRACE_EVENT(rxrpc_abort, + TP_PROTO(const char *why, u32 cid, u32 call_id, rxrpc_seq_t seq, + int abort_code, int error), + + TP_ARGS(why, cid, call_id, seq, abort_code, error), + + TP_STRUCT__entry( + __array(char, why, 4 ) + __field(u32, cid ) + __field(u32, call_id ) + __field(rxrpc_seq_t, seq ) + __field(int, abort_code ) + __field(int, error ) + ), + + TP_fast_assign( + memcpy(__entry->why, why, 4); + __entry->cid = cid; + __entry->call_id = call_id; + __entry->abort_code = abort_code; + __entry->error = error; + __entry->seq = seq; + ), + + TP_printk("%08x:%08x s=%u a=%d e=%d %s", + __entry->cid, __entry->call_id, __entry->seq, + __entry->abort_code, __entry->error, __entry->why) + ); + #endif /* _TRACE_RXRPC_H */ /* This part must be outside protection */ |