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| author |  Daniel Hill <daniel@gluo.nz>
| 2022-07-14 20:33:09 +1200 |
|---|---|---|
| committer |  Kent Overstreet <kent.overstreet@linux.dev>
| 2023-10-22 17:09:35 -0400 |
| commit | c807ca95a6e20bedbbb84287bc7087c2b2b775de (patch) | |
| tree | 0add067029709ede728fd48ca3761325fe1cd8fc /fs/bcachefs/btree_types.h | |
| parent | bcachefs: bch2_time_stats_to_text now indents properly (diff) | |
| download | linux-c807ca95a6e20bedbbb84287bc7087c2b2b775de.tar.gz linux-c807ca95a6e20bedbbb84287bc7087c2b2b775de.tar.bz2 linux-c807ca95a6e20bedbbb84287bc7087c2b2b775de.zip | |
bcachefs: added lock held time stats
We now record the length of time btree locks are held and expose this in debugfs.
Enabled via CONFIG_BCACHEFS_LOCK_TIME_STATS.
Signed-off-by: Daniel Hill <daniel@gluo.nz>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_types.h')
| -rw-r--r-- | fs/bcachefs/btree_types.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_types.h b/fs/bcachefs/btree_types.h index b184ec512499..8cf3ef749020 100644 --- a/fs/bcachefs/btree_types.h +++ b/fs/bcachefs/btree_types.h @@ -251,6 +251,9 @@ struct btree_path { struct btree *b; struct btree_node_iter iter; u32 lock_seq; +#ifdef CONFIG_BCACHEFS_LOCK_TIME_STATS + u64 lock_taken_time; +#endif } l[BTREE_MAX_DEPTH]; #ifdef CONFIG_BCACHEFS_DEBUG unsigned long ip_allocated; @@ -436,6 +439,7 @@ struct btree_trans { unsigned journal_u64s; unsigned journal_preres_u64s; struct replicas_delta_list *fs_usage_deltas; + int lock_name_idx; }; #define BTREE_FLAGS() \ |