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bcachefs: Add a time_stat for blocked on key cache flush

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-08-10 15:48:18 -04:00
parent 790666c8ac
commit 06a8693b89
2 changed files with 5 additions and 0 deletions
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1
fs/bcachefs/bcachefs.h
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@ -447,6 +447,7 @@ BCH_DEBUG_PARAMS_DEBUG()
x(blocked_journal_low_on_space) \ x(blocked_journal_low_on_space) \
x(blocked_journal_low_on_pin) \ x(blocked_journal_low_on_pin) \
x(blocked_journal_max_in_flight) \ x(blocked_journal_max_in_flight) \
x(blocked_key_cache_flush) \
x(blocked_allocate) \ x(blocked_allocate) \
x(blocked_allocate_open_bucket) \ x(blocked_allocate_open_bucket) \
x(blocked_write_buffer_full) \ x(blocked_write_buffer_full) \

4
fs/bcachefs/btree_trans_commit.c
View File

@ -973,9 +973,13 @@ int bch2_trans_commit_error(struct btree_trans *trans, unsigned flags,
bch2_trans_unlock(trans); bch2_trans_unlock(trans);
trace_and_count(c, trans_blocked_journal_reclaim, trans, trace_ip); trace_and_count(c, trans_blocked_journal_reclaim, trans, trace_ip);
track_event_change(&c->times[BCH_TIME_blocked_key_cache_flush], true);
wait_event_freezable(c->journal.reclaim_wait, wait_event_freezable(c->journal.reclaim_wait,
(ret = journal_reclaim_wait_done(c))); (ret = journal_reclaim_wait_done(c)));
track_event_change(&c->times[BCH_TIME_blocked_key_cache_flush], false);
if (ret < 0) if (ret < 0)
break; break;