SUNRPC: Adding status trace points
This patch adds three trace points to the status routines
in the sunrpc state machine.
The goal of these trace points is to give an Admin
the ability to check on binding status or connection
status to see if there is a potential problem.
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index db7220d..bb7ed2f3 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -36,6 +36,7 @@
#include <linux/sunrpc/rpc_pipe_fs.h>
#include <linux/sunrpc/metrics.h>
#include <linux/sunrpc/bc_xprt.h>
+#include <trace/events/sunrpc.h>
#include "sunrpc.h"
#include "netns.h"
@@ -1247,6 +1248,7 @@
return;
}
+ trace_rpc_bind_status(task);
switch (task->tk_status) {
case -ENOMEM:
dprintk("RPC: %5u rpcbind out of memory\n", task->tk_pid);
@@ -1346,6 +1348,7 @@
return;
}
+ trace_rpc_connect_status(task, status);
switch (status) {
/* if soft mounted, test if we've timed out */
case -ETIMEDOUT:
@@ -1534,6 +1537,7 @@
return;
}
+ trace_rpc_call_status(task);
task->tk_status = 0;
switch(status) {
case -EHOSTDOWN: