diff options
| author | Steve Dickson <steved@redhat.com> | 2012-02-06 10:08:08 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-02-06 10:37:53 -0500 |
| commit | 5753cba17611af108995672c4e2d978014e17a56 (patch) | |
| tree | 5b0588c60045b155e9dc79e01490b248e19b6c2c | |
| parent | 85c0d24f026ca6935897694be4eb0b5c514b907d (diff) | |
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>
| -rw-r--r-- | include/trace/events/sunrpc.h | 53 | ||||
| -rw-r--r-- | net/sunrpc/clnt.c | 4 |
2 files changed, 57 insertions, 0 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index ec8668d978d..43be87d5dd5 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -8,6 +8,59 @@ #include <linux/sunrpc/clnt.h> #include <linux/tracepoint.h> +DECLARE_EVENT_CLASS(rpc_task_status, + + TP_PROTO(struct rpc_task *task), + + TP_ARGS(task), + + TP_STRUCT__entry( + __field(const struct rpc_task *, task) + __field(const struct rpc_clnt *, clnt) + __field(int, status) + ), + + TP_fast_assign( + __entry->task = task; + __entry->clnt = task->tk_client; + __entry->status = task->tk_status; + ), + + TP_printk("task:%p@%p, status %d",__entry->task, __entry->clnt, __entry->status) +); + +DEFINE_EVENT(rpc_task_status, rpc_call_status, + TP_PROTO(struct rpc_task *task), + + TP_ARGS(task) +); + +DEFINE_EVENT(rpc_task_status, rpc_bind_status, + TP_PROTO(struct rpc_task *task), + + TP_ARGS(task) +); + +TRACE_EVENT(rpc_connect_status, + TP_PROTO(struct rpc_task *task, int status), + + TP_ARGS(task, status), + + TP_STRUCT__entry( + __field(const struct rpc_task *, task) + __field(const struct rpc_clnt *, clnt) + __field(int, status) + ), + + TP_fast_assign( + __entry->task = task; + __entry->clnt = task->tk_client; + __entry->status = status; + ), + + TP_printk("task:%p@%p, status %d",__entry->task, __entry->clnt, __entry->status) +); + DECLARE_EVENT_CLASS(rpc_task_running, TP_PROTO(const struct rpc_clnt *clnt, const struct rpc_task *task, const void *action), diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index db7220d8773..bb7ed2f3aee 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 @@ call_bind_status(struct rpc_task *task) 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 @@ call_connect_status(struct rpc_task *task) return; } + trace_rpc_connect_status(task, status); switch (status) { /* if soft mounted, test if we've timed out */ case -ETIMEDOUT: @@ -1534,6 +1537,7 @@ call_status(struct rpc_task *task) return; } + trace_rpc_call_status(task); task->tk_status = 0; switch(status) { case -EHOSTDOWN: |