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>
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 @@
__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 */