Commit 4f6dad46 authored by Kent Overstreet's avatar Kent Overstreet Committed by Kent Overstreet
Browse files

bcachefs: Add a tracepoint for when we block on journal reclaim 



Signed-off-by: default avatarKent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 2ce867df

fs/bcachefs/btree_update_leaf.c

+2 −0
Original line number Diff line number Diff line
@@ -725,6 +725,8 @@ int bch2_trans_commit_error(struct btree_trans *trans, 
	case BTREE_INSERT_NEED_JOURNAL_RECLAIM:

		bch2_trans_unlock(trans);



		trace_trans_blocked_journal_reclaim(trans->ip);



		wait_event_freezable(c->journal.reclaim_wait,

				     (ret = journal_reclaim_wait_done(c)));

		if (ret < 0)

fs/bcachefs/trace.h

+5 −0
Original line number Diff line number Diff line
@@ -621,6 +621,11 @@ DEFINE_EVENT(transaction_restart, trans_restart_btree_node_reused, 
	TP_ARGS(ip)

);



DEFINE_EVENT(transaction_restart,	trans_blocked_journal_reclaim,

	TP_PROTO(unsigned long ip),

	TP_ARGS(ip)

);



TRACE_EVENT(trans_restart_would_deadlock,

	TP_PROTO(unsigned long	trans_ip,

		 unsigned long	caller_ip,