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| author |   Kent Overstreet <kent.overstreet@linux.dev> | 2024-12-13 05:43:00 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-12-29 13:30:39 -0500 |
| commit | 07c1a6fa901dc478a2685614399dedece910d6f5 (patch) | |
| tree | efe7efbc25b1dae77f1ad3377d103492fef9df2f | |
| parent | bcachefs: Log message in journal for snapshot deletion (diff) | |
| download | wireguard-linux-07c1a6fa901dc478a2685614399dedece910d6f5.tar.xz wireguard-linux-07c1a6fa901dc478a2685614399dedece910d6f5.zip | |
bcachefs: trace_key_cache_fill
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to '')
| -rw-r--r-- | fs/bcachefs/btree_key_cache.c | 10 | ||||
| -rw-r--r-- | fs/bcachefs/trace.h | 27 |
2 files changed, 32 insertions, 5 deletions
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c index 3bd40ea0fa3d..4eba2871f289 100644 --- a/fs/bcachefs/btree_key_cache.c +++ b/fs/bcachefs/btree_key_cache.c @@ -309,6 +309,16 @@ static noinline int btree_key_cache_fill(struct btree_trans *trans, ret = btree_key_cache_create(trans, ck_path, k); if (ret) goto err; + + if (trace_key_cache_fill_enabled()) { + struct printbuf buf = PRINTBUF; + + bch2_bpos_to_text(&buf, ck_path->pos); + prt_char(&buf, ' '); + bch2_bkey_val_to_text(&buf, trans->c, k); + trace_key_cache_fill(trans, buf.buf); + printbuf_exit(&buf); + } out: /* We're not likely to need this iterator again: */ bch2_set_btree_iter_dontneed(&iter); diff --git a/fs/bcachefs/trace.h b/fs/bcachefs/trace.h index 11e6547f91d6..9d40b7d4ea29 100644 --- a/fs/bcachefs/trace.h +++ b/fs/bcachefs/trace.h @@ -1338,6 +1338,12 @@ TRACE_EVENT(trans_restart_key_cache_key_realloced, __entry->new_u64s) ); +DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush, + TP_PROTO(struct btree_trans *trans, + unsigned long caller_ip), + TP_ARGS(trans, caller_ip) +); + TRACE_EVENT(path_downgrade, TP_PROTO(struct btree_trans *trans, unsigned long caller_ip, @@ -1374,10 +1380,21 @@ TRACE_EVENT(path_downgrade, __entry->pos_snapshot) ); -DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush, - TP_PROTO(struct btree_trans *trans, - unsigned long caller_ip), - TP_ARGS(trans, caller_ip) +TRACE_EVENT(key_cache_fill, + TP_PROTO(struct btree_trans *trans, const char *key), + TP_ARGS(trans, key), + + TP_STRUCT__entry( + __array(char, trans_fn, 32 ) + __string(key, key ) + ), + + TP_fast_assign( + strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn)); + __assign_str(key); + ), + + TP_printk("%s %s", __entry->trans_fn, __get_str(key)) ); TRACE_EVENT(write_buffer_flush, @@ -1443,7 +1460,7 @@ TRACE_EVENT(write_buffer_maybe_flush, TP_STRUCT__entry( __array(char, trans_fn, 32 ) __field(unsigned long, caller_ip ) - __string(key, key ) + __string(key, key ) ), TP_fast_assign( |