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| author | David Howells | 2017-04-06 11:12:00 +0200 |
|---|---|---|
| committer | David Howells | 2017-04-06 12:10:41 +0200 |
| commit | 89ca694806943728d5969982537acd824be8ce1e (patch) | |
| tree | 18de2802715674709dd9a3dcb60936ca5ea6d866 | |
| parent | rxrpc: Trace changes in a call's receive window size (diff) | |
| download | kernel-qcow2-linux-89ca694806943728d5969982537acd824be8ce1e.tar.gz kernel-qcow2-linux-89ca694806943728d5969982537acd824be8ce1e.tar.xz kernel-qcow2-linux-89ca694806943728d5969982537acd824be8ce1e.zip | |
rxrpc: Trace client call connection
Add a tracepoint (rxrpc_connect_call) to log the combination of rxrpc_call
pointer, afs_call pointer/user data and wire call parameters to make it
easier to match the tracebuffer contents to captured network packets.
Signed-off-by: David Howells <dhowells@redhat.com>
| -rw-r--r-- | include/trace/events/rxrpc.h | 26 | ||||
| -rw-r--r-- | net/rxrpc/conn_client.c | 1 |
2 files changed, 27 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index 15ba7387c243..29a3d53a4015 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -1162,6 +1162,32 @@ TRACE_EVENT(rxrpc_rx_eproto, __entry->why) ); +TRACE_EVENT(rxrpc_connect_call, + TP_PROTO(struct rxrpc_call *call), + + TP_ARGS(call), + + TP_STRUCT__entry( + __field(struct rxrpc_call *, call ) + __field(unsigned long, user_call_ID ) + __field(u32, cid ) + __field(u32, call_id ) + ), + + TP_fast_assign( + __entry->call = call; + __entry->user_call_ID = call->user_call_ID; + __entry->cid = call->cid; + __entry->call_id = call->call_id; + ), + + TP_printk("c=%p u=%p %08x:%08x", + __entry->call, + (void *)__entry->user_call_ID, + __entry->cid, + __entry->call_id) + ); + #endif /* _TRACE_RXRPC_H */ /* This part must be outside protection */ diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c index c3be03e8d098..e8dea0d49e7f 100644 --- a/net/rxrpc/conn_client.c +++ b/net/rxrpc/conn_client.c @@ -550,6 +550,7 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn, call->cid = conn->proto.cid | channel; call->call_id = call_id; + trace_rxrpc_connect_call(call); _net("CONNECT call %08x:%08x as call %d on conn %d", call->cid, call->call_id, call->debug_id, conn->debug_id); |