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authorDavid Howells <dhowells@redhat.com>2016-09-23 12:39:22 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-23 15:49:19 +0100
commit89b475abdb107a74f57497b65becaf837a0e5b6b (patch)
tree480653f3ea539c2b9313d32485573a67c4073b72 /include/trace
parentbe832aecc5ba811728e15a10f675f4a2187f25dd (diff)
downloadop-kernel-dev-89b475abdb107a74f57497b65becaf837a0e5b6b.zip
op-kernel-dev-89b475abdb107a74f57497b65becaf837a0e5b6b.tar.gz
rxrpc: Add a tracepoint to log injected Rx packet loss
Add a tracepoint to log received packets that get discarded due to Rx packet loss. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/rxrpc.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 6001bf9..9413b17 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -484,6 +484,27 @@ TRACE_EVENT(rxrpc_timer,
__entry->timer - __entry->now)
);
+TRACE_EVENT(rxrpc_rx_lose,
+ TP_PROTO(struct rxrpc_skb_priv *sp),
+
+ TP_ARGS(sp),
+
+ TP_STRUCT__entry(
+ __field_struct(struct rxrpc_host_header, hdr )
+ ),
+
+ TP_fast_assign(
+ memcpy(&__entry->hdr, &sp->hdr, sizeof(__entry->hdr));
+ ),
+
+ TP_printk("%08x:%08x:%08x:%04x %08x %08x %02x %02x %s *LOSE*",
+ __entry->hdr.epoch, __entry->hdr.cid,
+ __entry->hdr.callNumber, __entry->hdr.serviceId,
+ __entry->hdr.serial, __entry->hdr.seq,
+ __entry->hdr.type, __entry->hdr.flags,
+ __entry->hdr.type <= 15 ? rxrpc_pkts[__entry->hdr.type] : "?UNK")
+ );
+
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */
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