diff options
Diffstat (limited to 'sys/fs/nfsclient/nfs_kdtrace.h')
| -rw-r--r-- | sys/fs/nfsclient/nfs_kdtrace.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/sys/fs/nfsclient/nfs_kdtrace.h b/sys/fs/nfsclient/nfs_kdtrace.h new file mode 100644 index 0000000..f8f143f --- /dev/null +++ b/sys/fs/nfsclient/nfs_kdtrace.h @@ -0,0 +1,120 @@ +/*- + * Copyright (c) 2009 Robert N. M. Watson + * All rights reserved. + * + * This software was developed at the University of Cambridge Computer + * Laboratory with support from a grant from Google, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _NFSCL_NFS_KDTRACE_H_ +#define _NFSCL_NFS_KDTRACE_H_ + +#ifdef KDTRACE_HOOKS +#include <sys/dtrace_bsd.h> + +/* + * Definitions for NFS access cache probes. + */ +extern uint32_t nfscl_accesscache_flush_done_id; +extern uint32_t nfscl_accesscache_get_hit_id; +extern uint32_t nfscl_accesscache_get_miss_id; +extern uint32_t nfscl_accesscache_load_done_id; + +#define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp) do { \ + if (dtrace_nfscl_accesscache_flush_done_probe != NULL) \ + (dtrace_nfscl_accesscache_flush_done_probe)( \ + nfscl_accesscache_flush_done_id, (vp)); \ +} while (0) + +#define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode) do { \ + if (dtrace_nfscl_accesscache_get_hit_probe != NULL) \ + (dtrace_nfscl_accesscache_get_hit_probe)( \ + nfscl_accesscache_get_hit_id, (vp), (uid), \ + (mode)); \ +} while (0) + +#define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) do { \ + if (dtrace_nfscl_accesscache_get_miss_probe != NULL) \ + (dtrace_nfscl_accesscache_get_miss_probe)( \ + nfscl_accesscache_get_miss_id, (vp), (uid), \ + (mode)); \ +} while (0) + +#define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) do { \ + if (dtrace_nfscl_accesscache_load_done_probe != NULL) \ + (dtrace_nfscl_accesscache_load_done_probe)( \ + nfscl_accesscache_load_done_id, (vp), (uid), \ + (rmode), (error)); \ +} while (0) + +/* + * Definitions for NFS attribute cache probes. + */ +extern uint32_t nfscl_attrcache_flush_done_id; +extern uint32_t nfscl_attrcache_get_hit_id; +extern uint32_t nfscl_attrcache_get_miss_id; +extern uint32_t nfscl_attrcache_load_done_id; + +#define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp) do { \ + if (dtrace_nfscl_attrcache_flush_done_probe != NULL) \ + (dtrace_nfscl_attrcache_flush_done_probe)( \ + nfscl_attrcache_flush_done_id, (vp)); \ +} while (0) + +#define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap) do { \ + if (dtrace_nfscl_attrcache_get_hit_probe != NULL) \ + (dtrace_nfscl_attrcache_get_hit_probe)( \ + nfscl_attrcache_get_hit_id, (vp), (vap)); \ +} while (0) + +#define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp) do { \ + if (dtrace_nfscl_attrcache_get_miss_probe != NULL) \ + (dtrace_nfscl_attrcache_get_miss_probe)( \ + nfscl_attrcache_get_miss_id, (vp)); \ +} while (0) + +#define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) do { \ + if (dtrace_nfscl_attrcache_load_done_probe != NULL) \ + (dtrace_nfscl_attrcache_load_done_probe)( \ + nfscl_attrcache_load_done_id, (vp), (vap), \ + (error)); \ +} while (0) + +#else /* !KDTRACE_HOOKS */ + +#define KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp) +#define KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp, uid, mode) +#define KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp, uid, mode) +#define KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, uid, rmode, error) + +#define KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp) +#define KDTRACE_NFS_ATTRCACHE_GET_HIT(vp, vap) +#define KDTRACE_NFS_ATTRCACHE_GET_MISS(vp) +#define KDTRACE_NFS_ATTRCACHE_LOAD_DONE(vp, vap, error) + +#endif /* KDTRACE_HOOKS */ + +#endif /* !_NFSCL_NFS_KDTRACE_H_ */ |
