bcachefs: added lock held time stats

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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>

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Daniel Hill 2022-07-14 20:33:09 +12:00 • committed by Kent Overstreet

parent 25055c690f

commit c807ca95a6

7 changed files with 145 additions and 15 deletions

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6

fs/bcachefs/Kconfig

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9

fs/bcachefs/bcachefs.h

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19

fs/bcachefs/btree_iter.c

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4

fs/bcachefs/btree_key_cache.c

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44

fs/bcachefs/btree_locking.h

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4

fs/bcachefs/btree_types.h

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74

fs/bcachefs/debug.c

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