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NFSv4: Add tracepoints for debugging state management problems
Set up basic tracepoints for debugging client id creation/destruction and session creation/destruction. Signed-off-by: Trond Myklebust <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| /* | ||
| * Copyright (c) 2013 Trond Myklebust <[email protected]> | ||
| */ | ||
| #include <linux/nfs_fs.h> | ||
| #include "nfs4_fs.h" | ||
| #include "internal.h" | ||
|
|
||
| #define CREATE_TRACE_POINTS | ||
| #include "nfs4trace.h" | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,220 @@ | ||
| /* | ||
| * Copyright (c) 2013 Trond Myklebust <[email protected]> | ||
| */ | ||
| #undef TRACE_SYSTEM | ||
| #define TRACE_SYSTEM nfs4 | ||
|
|
||
| #if !defined(_TRACE_NFS4_H) || defined(TRACE_HEADER_MULTI_READ) | ||
| #define _TRACE_NFS4_H | ||
|
|
||
| #include <linux/tracepoint.h> | ||
|
|
||
| #define show_nfsv4_errors(error) \ | ||
| __print_symbolic(error, \ | ||
| { NFS4_OK, "OK" }, \ | ||
| /* Mapped by nfs4_stat_to_errno() */ \ | ||
| { -EPERM, "EPERM" }, \ | ||
| { -ENOENT, "ENOENT" }, \ | ||
| { -EIO, "EIO" }, \ | ||
| { -ENXIO, "ENXIO" }, \ | ||
| { -EACCES, "EACCES" }, \ | ||
| { -EEXIST, "EEXIST" }, \ | ||
| { -EXDEV, "EXDEV" }, \ | ||
| { -ENOTDIR, "ENOTDIR" }, \ | ||
| { -EISDIR, "EISDIR" }, \ | ||
| { -EFBIG, "EFBIG" }, \ | ||
| { -ENOSPC, "ENOSPC" }, \ | ||
| { -EROFS, "EROFS" }, \ | ||
| { -EMLINK, "EMLINK" }, \ | ||
| { -ENAMETOOLONG, "ENAMETOOLONG" }, \ | ||
| { -ENOTEMPTY, "ENOTEMPTY" }, \ | ||
| { -EDQUOT, "EDQUOT" }, \ | ||
| { -ESTALE, "ESTALE" }, \ | ||
| { -EBADHANDLE, "EBADHANDLE" }, \ | ||
| { -EBADCOOKIE, "EBADCOOKIE" }, \ | ||
| { -ENOTSUPP, "ENOTSUPP" }, \ | ||
| { -ETOOSMALL, "ETOOSMALL" }, \ | ||
| { -EREMOTEIO, "EREMOTEIO" }, \ | ||
| { -EBADTYPE, "EBADTYPE" }, \ | ||
| { -EAGAIN, "EAGAIN" }, \ | ||
| { -ELOOP, "ELOOP" }, \ | ||
| { -EOPNOTSUPP, "EOPNOTSUPP" }, \ | ||
| { -EDEADLK, "EDEADLK" }, \ | ||
| /* RPC errors */ \ | ||
| { -ENOMEM, "ENOMEM" }, \ | ||
| { -EKEYEXPIRED, "EKEYEXPIRED" }, \ | ||
| { -ETIMEDOUT, "ETIMEDOUT" }, \ | ||
| { -ERESTARTSYS, "ERESTARTSYS" }, \ | ||
| { -ECONNREFUSED, "ECONNREFUSED" }, \ | ||
| { -ECONNRESET, "ECONNRESET" }, \ | ||
| { -ENETUNREACH, "ENETUNREACH" }, \ | ||
| { -EHOSTUNREACH, "EHOSTUNREACH" }, \ | ||
| { -EHOSTDOWN, "EHOSTDOWN" }, \ | ||
| { -EPIPE, "EPIPE" }, \ | ||
| { -EPFNOSUPPORT, "EPFNOSUPPORT" }, \ | ||
| { -EPROTONOSUPPORT, "EPROTONOSUPPORT" }, \ | ||
| /* NFSv4 native errors */ \ | ||
| { -NFS4ERR_ACCESS, "ACCESS" }, \ | ||
| { -NFS4ERR_ATTRNOTSUPP, "ATTRNOTSUPP" }, \ | ||
| { -NFS4ERR_ADMIN_REVOKED, "ADMIN_REVOKED" }, \ | ||
| { -NFS4ERR_BACK_CHAN_BUSY, "BACK_CHAN_BUSY" }, \ | ||
| { -NFS4ERR_BADCHAR, "BADCHAR" }, \ | ||
| { -NFS4ERR_BADHANDLE, "BADHANDLE" }, \ | ||
| { -NFS4ERR_BADIOMODE, "BADIOMODE" }, \ | ||
| { -NFS4ERR_BADLAYOUT, "BADLAYOUT" }, \ | ||
| { -NFS4ERR_BADLABEL, "BADLABEL" }, \ | ||
| { -NFS4ERR_BADNAME, "BADNAME" }, \ | ||
| { -NFS4ERR_BADOWNER, "BADOWNER" }, \ | ||
| { -NFS4ERR_BADSESSION, "BADSESSION" }, \ | ||
| { -NFS4ERR_BADSLOT, "BADSLOT" }, \ | ||
| { -NFS4ERR_BADTYPE, "BADTYPE" }, \ | ||
| { -NFS4ERR_BADXDR, "BADXDR" }, \ | ||
| { -NFS4ERR_BAD_COOKIE, "BAD_COOKIE" }, \ | ||
| { -NFS4ERR_BAD_HIGH_SLOT, "BAD_HIGH_SLOT" }, \ | ||
| { -NFS4ERR_BAD_RANGE, "BAD_RANGE" }, \ | ||
| { -NFS4ERR_BAD_SEQID, "BAD_SEQID" }, \ | ||
| { -NFS4ERR_BAD_SESSION_DIGEST, "BAD_SESSION_DIGEST" }, \ | ||
| { -NFS4ERR_BAD_STATEID, "BAD_STATEID" }, \ | ||
| { -NFS4ERR_CB_PATH_DOWN, "CB_PATH_DOWN" }, \ | ||
| { -NFS4ERR_CLID_INUSE, "CLID_INUSE" }, \ | ||
| { -NFS4ERR_CLIENTID_BUSY, "CLIENTID_BUSY" }, \ | ||
| { -NFS4ERR_COMPLETE_ALREADY, "COMPLETE_ALREADY" }, \ | ||
| { -NFS4ERR_CONN_NOT_BOUND_TO_SESSION, \ | ||
| "CONN_NOT_BOUND_TO_SESSION" }, \ | ||
| { -NFS4ERR_DEADLOCK, "DEADLOCK" }, \ | ||
| { -NFS4ERR_DEADSESSION, "DEAD_SESSION" }, \ | ||
| { -NFS4ERR_DELAY, "DELAY" }, \ | ||
| { -NFS4ERR_DELEG_ALREADY_WANTED, \ | ||
| "DELEG_ALREADY_WANTED" }, \ | ||
| { -NFS4ERR_DELEG_REVOKED, "DELEG_REVOKED" }, \ | ||
| { -NFS4ERR_DENIED, "DENIED" }, \ | ||
| { -NFS4ERR_DIRDELEG_UNAVAIL, "DIRDELEG_UNAVAIL" }, \ | ||
| { -NFS4ERR_DQUOT, "DQUOT" }, \ | ||
| { -NFS4ERR_ENCR_ALG_UNSUPP, "ENCR_ALG_UNSUPP" }, \ | ||
| { -NFS4ERR_EXIST, "EXIST" }, \ | ||
| { -NFS4ERR_EXPIRED, "EXPIRED" }, \ | ||
| { -NFS4ERR_FBIG, "FBIG" }, \ | ||
| { -NFS4ERR_FHEXPIRED, "FHEXPIRED" }, \ | ||
| { -NFS4ERR_FILE_OPEN, "FILE_OPEN" }, \ | ||
| { -NFS4ERR_GRACE, "GRACE" }, \ | ||
| { -NFS4ERR_HASH_ALG_UNSUPP, "HASH_ALG_UNSUPP" }, \ | ||
| { -NFS4ERR_INVAL, "INVAL" }, \ | ||
| { -NFS4ERR_IO, "IO" }, \ | ||
| { -NFS4ERR_ISDIR, "ISDIR" }, \ | ||
| { -NFS4ERR_LAYOUTTRYLATER, "LAYOUTTRYLATER" }, \ | ||
| { -NFS4ERR_LAYOUTUNAVAILABLE, "LAYOUTUNAVAILABLE" }, \ | ||
| { -NFS4ERR_LEASE_MOVED, "LEASE_MOVED" }, \ | ||
| { -NFS4ERR_LOCKED, "LOCKED" }, \ | ||
| { -NFS4ERR_LOCKS_HELD, "LOCKS_HELD" }, \ | ||
| { -NFS4ERR_LOCK_RANGE, "LOCK_RANGE" }, \ | ||
| { -NFS4ERR_MINOR_VERS_MISMATCH, "MINOR_VERS_MISMATCH" }, \ | ||
| { -NFS4ERR_MLINK, "MLINK" }, \ | ||
| { -NFS4ERR_MOVED, "MOVED" }, \ | ||
| { -NFS4ERR_NAMETOOLONG, "NAMETOOLONG" }, \ | ||
| { -NFS4ERR_NOENT, "NOENT" }, \ | ||
| { -NFS4ERR_NOFILEHANDLE, "NOFILEHANDLE" }, \ | ||
| { -NFS4ERR_NOMATCHING_LAYOUT, "NOMATCHING_LAYOUT" }, \ | ||
| { -NFS4ERR_NOSPC, "NOSPC" }, \ | ||
| { -NFS4ERR_NOTDIR, "NOTDIR" }, \ | ||
| { -NFS4ERR_NOTEMPTY, "NOTEMPTY" }, \ | ||
| { -NFS4ERR_NOTSUPP, "NOTSUPP" }, \ | ||
| { -NFS4ERR_NOT_ONLY_OP, "NOT_ONLY_OP" }, \ | ||
| { -NFS4ERR_NOT_SAME, "NOT_SAME" }, \ | ||
| { -NFS4ERR_NO_GRACE, "NO_GRACE" }, \ | ||
| { -NFS4ERR_NXIO, "NXIO" }, \ | ||
| { -NFS4ERR_OLD_STATEID, "OLD_STATEID" }, \ | ||
| { -NFS4ERR_OPENMODE, "OPENMODE" }, \ | ||
| { -NFS4ERR_OP_ILLEGAL, "OP_ILLEGAL" }, \ | ||
| { -NFS4ERR_OP_NOT_IN_SESSION, "OP_NOT_IN_SESSION" }, \ | ||
| { -NFS4ERR_PERM, "PERM" }, \ | ||
| { -NFS4ERR_PNFS_IO_HOLE, "PNFS_IO_HOLE" }, \ | ||
| { -NFS4ERR_PNFS_NO_LAYOUT, "PNFS_NO_LAYOUT" }, \ | ||
| { -NFS4ERR_RECALLCONFLICT, "RECALLCONFLICT" }, \ | ||
| { -NFS4ERR_RECLAIM_BAD, "RECLAIM_BAD" }, \ | ||
| { -NFS4ERR_RECLAIM_CONFLICT, "RECLAIM_CONFLICT" }, \ | ||
| { -NFS4ERR_REJECT_DELEG, "REJECT_DELEG" }, \ | ||
| { -NFS4ERR_REP_TOO_BIG, "REP_TOO_BIG" }, \ | ||
| { -NFS4ERR_REP_TOO_BIG_TO_CACHE, \ | ||
| "REP_TOO_BIG_TO_CACHE" }, \ | ||
| { -NFS4ERR_REQ_TOO_BIG, "REQ_TOO_BIG" }, \ | ||
| { -NFS4ERR_RESOURCE, "RESOURCE" }, \ | ||
| { -NFS4ERR_RESTOREFH, "RESTOREFH" }, \ | ||
| { -NFS4ERR_RETRY_UNCACHED_REP, "RETRY_UNCACHED_REP" }, \ | ||
| { -NFS4ERR_RETURNCONFLICT, "RETURNCONFLICT" }, \ | ||
| { -NFS4ERR_ROFS, "ROFS" }, \ | ||
| { -NFS4ERR_SAME, "SAME" }, \ | ||
| { -NFS4ERR_SHARE_DENIED, "SHARE_DENIED" }, \ | ||
| { -NFS4ERR_SEQUENCE_POS, "SEQUENCE_POS" }, \ | ||
| { -NFS4ERR_SEQ_FALSE_RETRY, "SEQ_FALSE_RETRY" }, \ | ||
| { -NFS4ERR_SEQ_MISORDERED, "SEQ_MISORDERED" }, \ | ||
| { -NFS4ERR_SERVERFAULT, "SERVERFAULT" }, \ | ||
| { -NFS4ERR_STALE, "STALE" }, \ | ||
| { -NFS4ERR_STALE_CLIENTID, "STALE_CLIENTID" }, \ | ||
| { -NFS4ERR_STALE_STATEID, "STALE_STATEID" }, \ | ||
| { -NFS4ERR_SYMLINK, "SYMLINK" }, \ | ||
| { -NFS4ERR_TOOSMALL, "TOOSMALL" }, \ | ||
| { -NFS4ERR_TOO_MANY_OPS, "TOO_MANY_OPS" }, \ | ||
| { -NFS4ERR_UNKNOWN_LAYOUTTYPE, "UNKNOWN_LAYOUTTYPE" }, \ | ||
| { -NFS4ERR_UNSAFE_COMPOUND, "UNSAFE_COMPOUND" }, \ | ||
| { -NFS4ERR_WRONGSEC, "WRONGSEC" }, \ | ||
| { -NFS4ERR_WRONG_CRED, "WRONG_CRED" }, \ | ||
| { -NFS4ERR_WRONG_TYPE, "WRONG_TYPE" }, \ | ||
| { -NFS4ERR_XDEV, "XDEV" }) | ||
|
|
||
| DECLARE_EVENT_CLASS(nfs4_clientid_event, | ||
| TP_PROTO( | ||
| const struct nfs_client *clp, | ||
| int error | ||
| ), | ||
|
|
||
| TP_ARGS(clp, error), | ||
|
|
||
| TP_STRUCT__entry( | ||
| __string(dstaddr, | ||
| rpc_peeraddr2str(clp->cl_rpcclient, | ||
| RPC_DISPLAY_ADDR)) | ||
| __field(int, error) | ||
| ), | ||
|
|
||
| TP_fast_assign( | ||
| __entry->error = error; | ||
| __assign_str(dstaddr, | ||
| rpc_peeraddr2str(clp->cl_rpcclient, | ||
| RPC_DISPLAY_ADDR)); | ||
| ), | ||
|
|
||
| TP_printk( | ||
| "error=%d (%s) dstaddr=%s", | ||
| __entry->error, | ||
| show_nfsv4_errors(__entry->error), | ||
| __get_str(dstaddr) | ||
| ) | ||
| ); | ||
| #define DEFINE_NFS4_CLIENTID_EVENT(name) \ | ||
| DEFINE_EVENT(nfs4_clientid_event, name, \ | ||
| TP_PROTO( \ | ||
| const struct nfs_client *clp, \ | ||
| int error \ | ||
| ), \ | ||
| TP_ARGS(clp, error)) | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_setclientid); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_setclientid_confirm); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_renew); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_renew_async); | ||
| #ifdef CONFIG_NFS_V4_1 | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_exchange_id); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_create_session); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_destroy_session); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_destroy_clientid); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_bind_conn_to_session); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_sequence); | ||
| DEFINE_NFS4_CLIENTID_EVENT(nfs4_reclaim_complete); | ||
| #endif /* CONFIG_NFS_V4_1 */ | ||
|
|
||
| #endif /* _TRACE_NFS4_H */ | ||
|
|
||
| #undef TRACE_INCLUDE_PATH | ||
| #define TRACE_INCLUDE_PATH . | ||
| #define TRACE_INCLUDE_FILE nfs4trace | ||
| /* This part must be outside protection */ | ||
| #include <trace/define_trace.h> |