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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-13 18:36:56 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-22 16:58:24 +0400 |
| commit | ca8acf8d84029b395ade8d4562dae2108bb00c17 (patch) | |
| tree | 462c32eb1c98c5eb8698618b9b524c57a344c0e2 /fs/nfs/nfs4trace.h | |
| parent | fbc6f7c233ff0a7e98f5dc2837b08adf03aa9376 (diff) | |
| download | linux-ca8acf8d84029b395ade8d4562dae2108bb00c17.tar.xz | |
NFSv4: Add tracepoints for debugging delegations
Set up tracepoints to track when delegations are set, reclaimed,
returned by the client, or recalled by the server.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4trace.h')
| -rw-r--r-- | fs/nfs/nfs4trace.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 6388db847017..900f233ee4dc 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -411,6 +411,76 @@ DEFINE_NFS4_LOCK_EVENT(nfs4_lock_reclaim); DEFINE_NFS4_LOCK_EVENT(nfs4_lock_expired); DEFINE_NFS4_LOCK_EVENT(nfs4_unlock); +DECLARE_EVENT_CLASS(nfs4_set_delegation_event, + TP_PROTO( + const struct inode *inode, + fmode_t fmode + ), + + TP_ARGS(inode, fmode), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(u32, fhandle) + __field(u64, fileid) + __field(unsigned int, fmode) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->fileid = NFS_FILEID(inode); + __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode)); + __entry->fmode = (__force unsigned int)fmode; + ), + + TP_printk( + "fmode=%s fileid=%02x:%02x:%llu fhandle=0x%08x", + show_fmode_flags(__entry->fmode), + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long long)__entry->fileid, + __entry->fhandle + ) +); +#define DEFINE_NFS4_SET_DELEGATION_EVENT(name) \ + DEFINE_EVENT(nfs4_set_delegation_event, name, \ + TP_PROTO( \ + const struct inode *inode, \ + fmode_t fmode \ + ), \ + TP_ARGS(inode, fmode)) +DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_set_delegation); +DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_reclaim_delegation); + +TRACE_EVENT(nfs4_delegreturn_exit, + TP_PROTO( + const struct nfs4_delegreturnargs *args, + const struct nfs4_delegreturnres *res, + int error + ), + + TP_ARGS(args, res, error), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(u32, fhandle) + __field(int, error) + ), + + TP_fast_assign( + __entry->dev = res->server->s_dev; + __entry->fhandle = nfs_fhandle_hash(args->fhandle); + __entry->error = error; + ), + + TP_printk( + "error=%d (%s) dev=%02x:%02x fhandle=0x%08x", + __entry->error, + show_nfsv4_errors(__entry->error), + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->fhandle + ) +); + DECLARE_EVENT_CLASS(nfs4_lookup_event, TP_PROTO( const struct inode *dir, @@ -554,6 +624,8 @@ DEFINE_NFS4_INODE_EVENT(nfs4_set_acl); DEFINE_NFS4_INODE_EVENT(nfs4_get_security_label); DEFINE_NFS4_INODE_EVENT(nfs4_set_security_label); #endif /* CONFIG_NFS_V4_SECURITY_LABEL */ +DEFINE_NFS4_INODE_EVENT(nfs4_recall_delegation); +DEFINE_NFS4_INODE_EVENT(nfs4_delegreturn); #endif /* _TRACE_NFS4_H */ |