Author: mjg
Date: Sat Oct 17 00:27:26 2020
New Revision: 366776
URL: https://svnweb.freebsd.org/changeset/base/366776
Log:
cache: add a probe reporting addition of duplicate entries
Modified:
head/sys/kern/vfs_cache.c
Modified: head/sys/kern/vfs_cache.c
==============================================================================
--- head/sys/kern/vfs_cache.c Sat Oct 17 00:10:13 2020 (r366775)
+++ head/sys/kern/vfs_cache.c Sat Oct 17 00:27:26 2020 (r366776)
@@ -82,6 +82,8 @@ __FBSDID("$FreeBSD$");
SDT_PROVIDER_DECLARE(vfs);
SDT_PROBE_DEFINE3(vfs, namecache, enter, done, "struct vnode *", "char *",
"struct vnode *");
+SDT_PROBE_DEFINE3(vfs, namecache, enter, duplicate, "struct vnode *", "char *",
+ "struct vnode *");
SDT_PROBE_DEFINE2(vfs, namecache, enter_negative, done, "struct vnode *",
"char *");
SDT_PROBE_DEFINE2(vfs, namecache, fullpath_smr, hit, "struct vnode *",
@@ -2001,6 +2003,8 @@ cache_enter_time(struct vnode *dvp, struct vnode *vp,
}
}
#endif
+ SDT_PROBE3(vfs, namecache, enter, duplicate, dvp,
ncp->nc_name,
+ vp);
goto out_unlock_free;
}
}
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