From e68709579e3654df9d75d883f6676b64a5b49d1a Mon Sep 17 00:00:00 2001
From: rmacklem <rmacklem@FreeBSD.org>
Date: Sat, 18 Jun 2011 23:02:53 +0000
Subject: Add DTrace support to the new NFS client. This is essentially cloned
 from the old NFS client, plus additions for NFSv4. A review of this code is
 in progress, however it was felt by the reviewer that it could go in now,
 before code slush. Any changes required by the review can be committed as bug
 fixes later.

---
 sys/fs/nfsclient/nfs_clsubs.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sys/fs/nfsclient/nfs_clsubs.c')

diff --git a/sys/fs/nfsclient/nfs_clsubs.c b/sys/fs/nfsclient/nfs_clsubs.c
index 0c05631..214dfb7 100644
--- a/sys/fs/nfsclient/nfs_clsubs.c
+++ b/sys/fs/nfsclient/nfs_clsubs.c
@@ -35,6 +35,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include "opt_kdtrace.h"
+
 /*
  * These functions support the macros and help fiddle mbuf chains for
  * the nfs op functions. They do things like create the rpc header and
@@ -68,6 +70,7 @@ __FBSDID("$FreeBSD$");
 #include <fs/nfsclient/nfsnode.h>
 #include <fs/nfsclient/nfsmount.h>
 #include <fs/nfsclient/nfs.h>
+#include <fs/nfsclient/nfs_kdtrace.h>
 
 #include <netinet/in.h>
 
@@ -238,6 +241,7 @@ ncl_getattrcache(struct vnode *vp, struct vattr *vaper)
 #ifdef NFS_ACDEBUG
 		mtx_unlock(&Giant);	/* ncl_printf() */
 #endif
+		KDTRACE_NFS_ATTRCACHE_GET_MISS(vp);
 		return( ENOENT);
 	}
 	newnfsstats.attrcache_hits++;
@@ -267,6 +271,7 @@ ncl_getattrcache(struct vnode *vp, struct vattr *vaper)
 #ifdef NFS_ACDEBUG
 	mtx_unlock(&Giant);	/* ncl_printf() */
 #endif
+	KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap);
 	return (0);
 }
 
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