diff options
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/afs.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h index e3f005eae1f7..24c058a93e8f 100644 --- a/include/trace/events/afs.h +++ b/include/trace/events/afs.h @@ -152,6 +152,40 @@ enum afs_file_error { afs_file_error_writeback_fail, }; +enum afs_flock_event { + afs_flock_acquired, + afs_flock_callback_break, + afs_flock_defer_unlock, + afs_flock_fail_other, + afs_flock_fail_perm, + afs_flock_no_lockers, + afs_flock_timestamp, + afs_flock_try_to_lock, + afs_flock_vfs_lock, + afs_flock_vfs_locking, + afs_flock_waited, + afs_flock_waiting, + afs_flock_work_extending, + afs_flock_work_retry, + afs_flock_work_unlocking, + afs_flock_would_block, +}; + +enum afs_flock_operation { + afs_flock_op_copy_lock, + afs_flock_op_flock, + afs_flock_op_grant, + afs_flock_op_lock, + afs_flock_op_release_lock, + afs_flock_op_return_ok, + afs_flock_op_return_eagain, + afs_flock_op_return_edeadlk, + afs_flock_op_return_error, + afs_flock_op_set_lock, + afs_flock_op_unlock, + afs_flock_op_wake, +}; + #endif /* end __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY */ /* @@ -277,6 +311,52 @@ enum afs_file_error { EM(afs_file_error_mntpt, "MNTPT_READ_FAILED") \ E_(afs_file_error_writeback_fail, "WRITEBACK_FAILED") +#define afs_flock_types \ + EM(F_RDLCK, "RDLCK") \ + EM(F_WRLCK, "WRLCK") \ + E_(F_UNLCK, "UNLCK") + +#define afs_flock_states \ + EM(AFS_VNODE_LOCK_NONE, "NONE") \ + EM(AFS_VNODE_LOCK_WAITING_FOR_CB, "WAIT_FOR_CB") \ + EM(AFS_VNODE_LOCK_SETTING, "SETTING") \ + EM(AFS_VNODE_LOCK_GRANTED, "GRANTED") \ + EM(AFS_VNODE_LOCK_EXTENDING, "EXTENDING") \ + EM(AFS_VNODE_LOCK_NEED_UNLOCK, "NEED_UNLOCK") \ + E_(AFS_VNODE_LOCK_UNLOCKING, "UNLOCKING") \ + +#define afs_flock_events \ + EM(afs_flock_acquired, "Acquired") \ + EM(afs_flock_callback_break, "Callback") \ + EM(afs_flock_defer_unlock, "D-Unlock") \ + EM(afs_flock_fail_other, "ErrOther") \ + EM(afs_flock_fail_perm, "ErrPerm ") \ + EM(afs_flock_no_lockers, "NoLocker") \ + EM(afs_flock_timestamp, "Timestmp") \ + EM(afs_flock_try_to_lock, "TryToLck") \ + EM(afs_flock_vfs_lock, "VFSLock ") \ + EM(afs_flock_vfs_locking, "VFSLking") \ + EM(afs_flock_waited, "Waited ") \ + EM(afs_flock_waiting, "Waiting ") \ + EM(afs_flock_work_extending, "Extendng") \ + EM(afs_flock_work_retry, "Retry ") \ + EM(afs_flock_work_unlocking, "Unlcking") \ + E_(afs_flock_would_block, "EWOULDBL") + +#define afs_flock_operations \ + EM(afs_flock_op_copy_lock, "COPY ") \ + EM(afs_flock_op_flock, "->flock ") \ + EM(afs_flock_op_grant, "GRANT ") \ + EM(afs_flock_op_lock, "->lock ") \ + EM(afs_flock_op_release_lock, "RELEASE ") \ + EM(afs_flock_op_return_ok, "<-OK ") \ + EM(afs_flock_op_return_edeadlk, "<-EDEADL") \ + EM(afs_flock_op_return_eagain, "<-EAGAIN") \ + EM(afs_flock_op_return_error, "<-ERROR ") \ + EM(afs_flock_op_set_lock, "SET ") \ + EM(afs_flock_op_unlock, "UNLOCK ") \ + E_(afs_flock_op_wake, "WAKE ") + /* * Export enum symbols via userspace. */ @@ -293,6 +373,8 @@ afs_edit_dir_reasons; afs_eproto_causes; afs_io_errors; afs_file_errors; +afs_flock_types; +afs_flock_operations; /* * Now redefine the EM() and E_() macros to map the enums to the strings that @@ -796,6 +878,70 @@ TRACE_EVENT(afs_cm_no_server_u, __entry->call, __entry->op_id, &__entry->uuid) ); +TRACE_EVENT(afs_flock_ev, + TP_PROTO(struct afs_vnode *vnode, struct file_lock *fl, + enum afs_flock_event event, int error), + + TP_ARGS(vnode, fl, event, error), + + TP_STRUCT__entry( + __field_struct(struct afs_fid, fid ) + __field(enum afs_flock_event, event ) + __field(enum afs_lock_state, state ) + __field(int, error ) + __field(unsigned int, debug_id ) + ), + + TP_fast_assign( + __entry->fid = vnode->fid; + __entry->event = event; + __entry->state = vnode->lock_state; + __entry->error = error; + __entry->debug_id = fl ? fl->fl_u.afs.debug_id : 0; + ), + + TP_printk("%llx:%llx:%x %04x %s s=%s e=%d", + __entry->fid.vid, __entry->fid.vnode, __entry->fid.unique, + __entry->debug_id, + __print_symbolic(__entry->event, afs_flock_events), + __print_symbolic(__entry->state, afs_flock_states), + __entry->error) + ); + +TRACE_EVENT(afs_flock_op, + TP_PROTO(struct afs_vnode *vnode, struct file_lock *fl, + enum afs_flock_operation op), + + TP_ARGS(vnode, fl, op), + + TP_STRUCT__entry( + __field_struct(struct afs_fid, fid ) + __field(loff_t, from ) + __field(loff_t, len ) + __field(enum afs_flock_operation, op ) + __field(unsigned char, type ) + __field(unsigned int, flags ) + __field(unsigned int, debug_id ) + ), + + TP_fast_assign( + __entry->fid = vnode->fid; + __entry->from = fl->fl_start; + __entry->len = fl->fl_end - fl->fl_start + 1; + __entry->op = op; + __entry->type = fl->fl_type; + __entry->flags = fl->fl_flags; + __entry->debug_id = fl->fl_u.afs.debug_id; + ), + + TP_printk("%llx:%llx:%x %04x %s t=%s R=%llx/%llx f=%x", + __entry->fid.vid, __entry->fid.vnode, __entry->fid.unique, + __entry->debug_id, + __print_symbolic(__entry->op, afs_flock_operations), + __print_symbolic(__entry->type, afs_flock_types), + __entry->from, __entry->len, __entry->flags) + ); + #endif /* _TRACE_AFS_H */ /* This part must be outside protection */ |