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locks: add tracepoint in flock codepath

PATCH New Jeff Layton 1 participant 1 message Aug 6, 2018

Subsystems (3)
VFS Tracing File locking (flock() and fcntl()/lockf())
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Jeff Layton

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PATCH 1/1 locks: add tracepoint in flock codepath

Signed-off-by Jeff Layton <[email protected]>
---
 fs/locks.c                      | 1 +
 include/trace/events/filelock.h | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)
fs/locks.c +1 -0
index e533623e2e99..6138a9bcd924 100644
@@ -990,6 +990,7 @@ static int flock_lock_inode(struct inode *inode, struct file_lock *request)
 	if (new_fl)
 		locks_free_lock(new_fl);
 	locks_dispose_list(&dispose);
+	trace_flock_lock_inode(inode, request, error);
 	return error;
 }
include/trace/events/filelock.h +4 -1
index d1faf3597b9d..68b17c116907 100644
@@ -112,8 +112,11 @@ DEFINE_EVENT(filelock_lock, locks_remove_posix,
 		TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
 		TP_ARGS(inode, fl, ret));
 
-DECLARE_EVENT_CLASS(filelock_lease,
+DEFINE_EVENT(filelock_lock, flock_lock_inode,
+		TP_PROTO(struct inode *inode, struct file_lock *fl, int ret),
+		TP_ARGS(inode, fl, ret));
 
+DECLARE_EVENT_CLASS(filelock_lease,
 	TP_PROTO(struct inode *inode, struct file_lock *fl),
 
 	TP_ARGS(inode, fl),
Signature · 1 line
2.17.1