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authorDavid Howells <dhowells@redhat.com>2017-04-06 10:12:00 +0100
committerDavid Howells <dhowells@redhat.com>2017-04-06 11:10:41 +0100
commit740586d290cb43d941c10274f2b65976bd94dacd (patch)
treed920549935e9840b4da7fed2cb6e0ba94d82a58d /include
parent005ede286f1b801be21d9667d6080bca79ef2a26 (diff)
rxrpc: Trace changes in a call's receive window size
Add a tracepoint (rxrpc_rx_rwind_change) to log changes in a call's receive window size as imposed by the peer through an ACK packet. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/trace/events/rxrpc.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 85e0148c88a8..15ba7387c243 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -707,6 +707,33 @@ TRACE_EVENT(rxrpc_rx_abort,
__entry->abort_code)
);
+TRACE_EVENT(rxrpc_rx_rwind_change,
+ TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
+ u32 rwind, bool wake),
+
+ TP_ARGS(call, serial, rwind, wake),
+
+ TP_STRUCT__entry(
+ __field(struct rxrpc_call *, call )
+ __field(rxrpc_serial_t, serial )
+ __field(u32, rwind )
+ __field(bool, wake )
+ ),
+
+ TP_fast_assign(
+ __entry->call = call;
+ __entry->serial = serial;
+ __entry->rwind = rwind;
+ __entry->wake = wake;
+ ),
+
+ TP_printk("c=%p %08x rw=%u%s",
+ __entry->call,
+ __entry->serial,
+ __entry->rwind,
+ __entry->wake ? " wake" : "")
+ );
+
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),