diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-04 18:59:17 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-05 23:24:21 -0500 |
| commit | c13fbb7de2fc4fd61a44ebfa4ba182f35e0a3286 (patch) | |
| tree | f72bdce818a9e89c7ed3c82692c19c233061172e /fs/bcachefs/trace.h | |
| parent | 074cbcdaeee433a02d6d0565b936bee0915cc5da (diff) | |
bcachefs: Improve would_deadlock trace event
We now include backtraces for every thread involved in the cycle.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/trace.h')
| -rw-r--r-- | fs/bcachefs/trace.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/fs/bcachefs/trace.h b/fs/bcachefs/trace.h index 427edb3e7cd6..c94876b3bb06 100644 --- a/fs/bcachefs/trace.h +++ b/fs/bcachefs/trace.h @@ -72,6 +72,27 @@ DECLARE_EVENT_CLASS(trans_str, __entry->trans_fn, (void *) __entry->caller_ip, __get_str(str)) ); +DECLARE_EVENT_CLASS(trans_str_nocaller, + TP_PROTO(struct btree_trans *trans, const char *str), + TP_ARGS(trans, str), + + TP_STRUCT__entry( + __field(dev_t, dev ) + __array(char, trans_fn, 32 ) + __string(str, str ) + ), + + TP_fast_assign( + __entry->dev = trans->c->dev; + strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn)); + __assign_str(str, str); + ), + + TP_printk("%d,%d %s %s", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->trans_fn, __get_str(str)) +); + DECLARE_EVENT_CLASS(btree_node_nofs, TP_PROTO(struct bch_fs *c, struct btree *b), TP_ARGS(c, b), @@ -1243,11 +1264,10 @@ DEFINE_EVENT(transaction_restart_iter, trans_restart_memory_allocation_failure, TP_ARGS(trans, caller_ip, path) ); -DEFINE_EVENT(trans_str, trans_restart_would_deadlock, +DEFINE_EVENT(trans_str_nocaller, trans_restart_would_deadlock, TP_PROTO(struct btree_trans *trans, - unsigned long caller_ip, const char *cycle), - TP_ARGS(trans, caller_ip, cycle) + TP_ARGS(trans, cycle) ); DEFINE_EVENT(transaction_event, trans_restart_would_deadlock_recursion_limit, |