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| author |   Jeff Layton <jeff.layton@primarydata.com> | 2015-09-21 07:26:45 -0400 |
|---|---|---|
| committer | Jeff Layton <jeff.layton@primarydata.com> | 2015-09-21 07:26:45 -0400 |
| commit | d11797a0a7acc1fe6a51b1605e166adad04da29b (patch) | |
| tree | 403c9a283e09f5e6c3765f2f521b5078f531cac7 /include/trace | |
| parent | Linux 4.3-rc2 (diff) | |
| download | linux-dev-d11797a0a7acc1fe6a51b1605e166adad04da29b.tar.xz linux-dev-d11797a0a7acc1fe6a51b1605e166adad04da29b.zip | |
locks: change tracepoint for generic_add_lease
Add some more helpful info to make it easier to determine why a lease
wasn't granted.
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/filelock.h | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/include/trace/events/filelock.h b/include/trace/events/filelock.h index a0d008070962..c72f2dc01d0b 100644 --- a/include/trace/events/filelock.h +++ b/include/trace/events/filelock.h @@ -81,15 +81,47 @@ DEFINE_EVENT(filelock_lease, break_lease_block, TP_PROTO(struct inode *inode, st DEFINE_EVENT(filelock_lease, break_lease_unblock, TP_PROTO(struct inode *inode, struct file_lock *fl), TP_ARGS(inode, fl)); -DEFINE_EVENT(filelock_lease, generic_add_lease, TP_PROTO(struct inode *inode, struct file_lock *fl), - TP_ARGS(inode, fl)); - DEFINE_EVENT(filelock_lease, generic_delete_lease, TP_PROTO(struct inode *inode, struct file_lock *fl), TP_ARGS(inode, fl)); DEFINE_EVENT(filelock_lease, time_out_leases, TP_PROTO(struct inode *inode, struct file_lock *fl), TP_ARGS(inode, fl)); +TRACE_EVENT(generic_add_lease, + TP_PROTO(struct inode *inode, struct file_lock *fl), + + TP_ARGS(inode, fl), + + TP_STRUCT__entry( + __field(unsigned long, i_ino) + __field(int, wcount) + __field(int, dcount) + __field(int, icount) + __field(dev_t, s_dev) + __field(fl_owner_t, fl_owner) + __field(unsigned int, fl_flags) + __field(unsigned char, fl_type) + ), + + TP_fast_assign( + __entry->s_dev = inode->i_sb->s_dev; + __entry->i_ino = inode->i_ino; + __entry->wcount = atomic_read(&inode->i_writecount); + __entry->dcount = d_count(fl->fl_file->f_path.dentry); + __entry->icount = atomic_read(&inode->i_count); + __entry->fl_owner = fl ? fl->fl_owner : NULL; + __entry->fl_flags = fl ? fl->fl_flags : 0; + __entry->fl_type = fl ? fl->fl_type : 0; + ), + + TP_printk("dev=0x%x:0x%x ino=0x%lx wcount=%d dcount=%d icount=%d fl_owner=0x%p fl_flags=%s fl_type=%s", + MAJOR(__entry->s_dev), MINOR(__entry->s_dev), + __entry->i_ino, __entry->wcount, __entry->dcount, + __entry->icount, __entry->fl_owner, + show_fl_flags(__entry->fl_flags), + show_fl_type(__entry->fl_type)) +); + #endif /* _TRACE_FILELOCK_H */ /* This part must be outside protection */ |