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NFSv4: Add tracepoints for debugging getattr

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2013-08-13 13:01:39 -04:00
parent 1f2d30b533
commit b5f875a925
2 changed files with 74 additions and 2 deletions
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7
fs/nfs/nfs4proc.c
View file

@ -2697,6 +2697,7 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
int err;
do {
err = _nfs4_lookup_root(server, fhandle, info);
trace_nfs4_lookup_root(server, fhandle, info->fattr, err);
switch (err) {
case 0:
case -NFS4ERR_WRONGSEC:
@ -2906,8 +2907,9 @@ static int nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
struct nfs4_exception exception = { };
int err;
do {
err = nfs4_handle_exception(server,
_nfs4_proc_getattr(server, fhandle, fattr, label),
err = _nfs4_proc_getattr(server, fhandle, fattr, label);
trace_nfs4_getattr(server, fhandle, fattr, err);
err = nfs4_handle_exception(server, err,
&exception);
} while (exception.retry);
return err;
@ -3760,6 +3762,7 @@ static int nfs4_do_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, str
do {
err = _nfs4_do_fsinfo(server, fhandle, fsinfo);
trace_nfs4_fsinfo(server, fhandle, fsinfo->fattr, err);
if (err == 0) {
struct nfs_client *clp = server->nfs_client;

69
fs/nfs/nfs4trace.h
View file

@ -174,6 +174,24 @@
{ ((__force unsigned long)FMODE_WRITE), "WRITE" }, \
{ ((__force unsigned long)FMODE_EXEC), "EXEC" })
#define show_nfs_fattr_flags(valid) \
__print_flags((unsigned long)valid, "|", \
{ NFS_ATTR_FATTR_TYPE, "TYPE" }, \
{ NFS_ATTR_FATTR_MODE, "MODE" }, \
{ NFS_ATTR_FATTR_NLINK, "NLINK" }, \
{ NFS_ATTR_FATTR_OWNER, "OWNER" }, \
{ NFS_ATTR_FATTR_GROUP, "GROUP" }, \
{ NFS_ATTR_FATTR_RDEV, "RDEV" }, \
{ NFS_ATTR_FATTR_SIZE, "SIZE" }, \
{ NFS_ATTR_FATTR_FSID, "FSID" }, \
{ NFS_ATTR_FATTR_FILEID, "FILEID" }, \
{ NFS_ATTR_FATTR_ATIME, "ATIME" }, \
{ NFS_ATTR_FATTR_MTIME, "MTIME" }, \
{ NFS_ATTR_FATTR_CTIME, "CTIME" }, \
{ NFS_ATTR_FATTR_CHANGE, "CHANGE" }, \
{ NFS_ATTR_FATTR_OWNER_NAME, "OWNER_NAME" }, \
{ NFS_ATTR_FATTR_GROUP_NAME, "GROUP_NAME" })
DECLARE_EVENT_CLASS(nfs4_clientid_event,
TP_PROTO(
const struct nfs_client *clp,
@ -627,6 +645,57 @@ DEFINE_NFS4_INODE_EVENT(nfs4_set_security_label);
DEFINE_NFS4_INODE_EVENT(nfs4_recall_delegation);
DEFINE_NFS4_INODE_EVENT(nfs4_delegreturn);
DECLARE_EVENT_CLASS(nfs4_getattr_event,
TP_PROTO(
const struct nfs_server *server,
const struct nfs_fh *fhandle,
const struct nfs_fattr *fattr,
int error
),
TP_ARGS(server, fhandle, fattr, error),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
__field(unsigned int, valid)
__field(int, error)
),
TP_fast_assign(
__entry->dev = server->s_dev;
__entry->valid = fattr->valid;
__entry->fhandle = nfs_fhandle_hash(fhandle);
__entry->fileid = (fattr->valid & NFS_ATTR_FATTR_FILEID) ? fattr->fileid : 0;
__entry->error = error;
),
TP_printk(
"error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"valid=%s",
__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
show_nfs_fattr_flags(__entry->valid)
)
);
#define DEFINE_NFS4_GETATTR_EVENT(name) \
DEFINE_EVENT(nfs4_getattr_event, name, \
TP_PROTO( \
const struct nfs_server *server, \
const struct nfs_fh *fhandle, \
const struct nfs_fattr *fattr, \
int error \
), \
TP_ARGS(server, fhandle, fattr, error))
DEFINE_NFS4_GETATTR_EVENT(nfs4_getattr);
DEFINE_NFS4_GETATTR_EVENT(nfs4_lookup_root);
DEFINE_NFS4_GETATTR_EVENT(nfs4_fsinfo);
DECLARE_EVENT_CLASS(nfs4_idmap_event,
TP_PROTO(
const char *name,