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Groups > linux.kernel > #1617846
| From | David Howells <dhowells@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH net-next 5/7] rxrpc: Trace received aborts |
| Date | 2017-04-06 12:30 +0200 |
| Message-ID | <ttcPV-7fO-33@gated-at.bofh.it> (permalink) |
| References | <ttcPU-7fO-3@gated-at.bofh.it> |
| Organization | Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 |
Add a tracepoint (rxrpc_rx_abort) to record received aborts.
Signed-off-by: David Howells <dhowells@redhat.com>
---
include/trace/events/rxrpc.h | 24 ++++++++++++++++++++++++
net/rxrpc/input.c | 4 +++-
2 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 626af97863e8..85e0148c88a8 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -683,6 +683,30 @@ TRACE_EVENT(rxrpc_rx_ack,
__entry->n_acks)
);
+TRACE_EVENT(rxrpc_rx_abort,
+ TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
+ u32 abort_code),
+
+ TP_ARGS(call, serial, abort_code),
+
+ TP_STRUCT__entry(
+ __field(struct rxrpc_call *, call )
+ __field(rxrpc_serial_t, serial )
+ __field(u32, abort_code )
+ ),
+
+ TP_fast_assign(
+ __entry->call = call;
+ __entry->serial = serial;
+ __entry->abort_code = abort_code;
+ ),
+
+ TP_printk("c=%p ABORT %08x ac=%d",
+ __entry->call,
+ __entry->serial,
+ __entry->abort_code)
+ );
+
TRACE_EVENT(rxrpc_tx_data,
TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq,
rxrpc_serial_t serial, u8 flags, bool retrans, bool lose),
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 3685dbe05a8f..241e989597f2 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -877,7 +877,7 @@ static void rxrpc_input_ackall(struct rxrpc_call *call, struct sk_buff *skb)
}
/*
- * Process an ABORT packet.
+ * Process an ABORT packet directed at a call.
*/
static void rxrpc_input_abort(struct rxrpc_call *call, struct sk_buff *skb)
{
@@ -892,6 +892,8 @@ static void rxrpc_input_abort(struct rxrpc_call *call, struct sk_buff *skb)
&wtmp, sizeof(wtmp)) >= 0)
abort_code = ntohl(wtmp);
+ trace_rxrpc_rx_abort(call, sp->hdr.serial, abort_code);
+
_proto("Rx ABORT %%%u { %x }", sp->hdr.serial, abort_code);
if (rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED,
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[PATCH net-next 0/7] rxrpc: Miscellany David Howells <dhowells@redhat.com> - 2017-04-06 12:30 +0200 [PATCH net-next 1/7] rxrpc: Use negative error codes in rxrpc_call struct David Howells <dhowells@redhat.com> - 2017-04-06 12:30 +0200 [PATCH net-next 5/7] rxrpc: Trace received aborts David Howells <dhowells@redhat.com> - 2017-04-06 12:30 +0200 [PATCH net-next 3/7] rxrpc: Handle temporary errors better in rxkad security David Howells <dhowells@redhat.com> - 2017-04-06 12:30 +0200 Re: [PATCH net-next 0/7] rxrpc: Miscellany David Miller <davem@davemloft.net> - 2017-04-06 23:30 +0200
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