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From: Olga Kornievskaia <olga.kornievskaia@gmail.com>
To: trond.myklebust@hammerspace.com,
	anna.schumaker@netapp.com
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH 1/1] SUNRPC: add xrpt id to rpc_stats_latency tracepoint
Date: Wed, 17 Jan 2024 14:59:12 -0500
Message-Id: <20240117195912.19099-1-olga.kornievskaia@gmail.com>
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From: Olga Kornievskaia <kolga@netapp.com>

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>
---
 include/trace/events/sunrpc.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index 337c90787fb1..c1d500c3e031 100644
--- 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,
-- 
2.39.1