SUNRPC: add xrpt id to rpc_stats_latency tracepoint

In order to get the latency per xprt under the same clientid this patch
adds xprt_id to the tracepoint output.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Tested-by: Chen Hanxiao <chenhx.fnst@fujitsu.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index cdd3a45e6003aa5791932261757d32f1287747de..4a2abf9daa465b6dd563c5e793df1ed42cd30740 100644 (file)
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -639,6 +639,7 @@ TRACE_EVENT(rpc_stats_latency,
                __field(unsigned long, backlog)
                __field(unsigned long, rtt)
                __field(unsigned long, execute)
+               __field(u32, xprt_id)
        ),
 
        TP_fast_assign(
@@ -651,13 +652,16 @@ TRACE_EVENT(rpc_stats_latency,
                __entry->backlog = ktime_to_us(backlog);
                __entry->rtt = ktime_to_us(rtt);
                __entry->execute = ktime_to_us(execute);
+               __entry->xprt_id = task->tk_xprt->id;
        ),
 
        TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
-                 " xid=0x%08x %sv%d %s backlog=%lu rtt=%lu execute=%lu",
+                 " xid=0x%08x %sv%d %s backlog=%lu rtt=%lu execute=%lu"
+                 " xprt_id=%d",
                __entry->task_id, __entry->client_id, __entry->xid,
                __get_str(progname), __entry->version, __get_str(procname),
-               __entry->backlog, __entry->rtt, __entry->execute)
+               __entry->backlog, __entry->rtt, __entry->execute,
+               __entry->xprt_id)
 );
 
 TRACE_EVENT(rpc_xdr_overflow,