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authorChuck Lever <chuck.lever@oracle.com>2020-05-20 12:29:13 -0400
committerChuck Lever <chuck.lever@oracle.com>2020-05-20 15:43:35 -0400
commit6be8c5949149ff45c86dd9e49dfab920078bfcd5 (patch)
tree8a19a9d5a5dad5dbb5ca40035546da235252b029 /include/trace/events/sunrpc.h
parentSUNRPC: Replace dprintk() call sites in TCP receive path (diff)
downloadwireguard-linux-6be8c5949149ff45c86dd9e49dfab920078bfcd5.tar.xz
wireguard-linux-6be8c5949149ff45c86dd9e49dfab920078bfcd5.zip
SUNRPC: Refactor recvfrom path dealing with incomplete TCP receives
Clean up: move exception processing out of the main path. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to '')
-rw-r--r--include/trace/events/sunrpc.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index bfea554bd91f..81659876b4af 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -1503,9 +1503,40 @@ DECLARE_EVENT_CLASS(svcsock_class,
DEFINE_SVCSOCK_EVENT(udp_send);
DEFINE_SVCSOCK_EVENT(tcp_send);
DEFINE_SVCSOCK_EVENT(tcp_recv);
+DEFINE_SVCSOCK_EVENT(tcp_recv_eagain);
+DEFINE_SVCSOCK_EVENT(tcp_recv_err);
DEFINE_SVCSOCK_EVENT(data_ready);
DEFINE_SVCSOCK_EVENT(write_space);
+TRACE_EVENT(svcsock_tcp_recv_short,
+ TP_PROTO(
+ const struct svc_xprt *xprt,
+ u32 expected,
+ u32 received
+ ),
+
+ TP_ARGS(xprt, expected, received),
+
+ TP_STRUCT__entry(
+ __field(u32, expected)
+ __field(u32, received)
+ __field(unsigned long, flags)
+ __string(addr, xprt->xpt_remotebuf)
+ ),
+
+ TP_fast_assign(
+ __entry->expected = expected;
+ __entry->received = received;
+ __entry->flags = xprt->xpt_flags;
+ __assign_str(addr, xprt->xpt_remotebuf);
+ ),
+
+ TP_printk("addr=%s flags=%s expected=%u received=%u",
+ __get_str(addr), show_svc_xprt_flags(__entry->flags),
+ __entry->expected, __entry->received
+ )
+);
+
TRACE_EVENT(svcsock_tcp_state,
TP_PROTO(
const struct svc_xprt *xprt,