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scoutfs: trace btree dirty blocks

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2019-05-15 16:14:32 -07:00
committed by Zach Brown
parent 806ac0d8e6
commit e150ebc8d2
2 changed files with 44 additions and 0 deletions
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6
kmod/src/btree.c
View File

@@ -754,6 +754,12 @@ retry:
if (le64_to_cpu(bring->next_block) == le64_to_cpu(bring->nr_blocks))
bring->next_block = 0;
trace_scoutfs_btree_dirty_block(sb, blkno, seq,
le64_to_cpu(bring->next_block), le64_to_cpu(bring->next_seq),
bti->cur_dirtied, bti->old_dirtied,
bt ? le64_to_cpu(bt->hdr.blkno) : 0,
bt ? le64_to_cpu(bt->hdr.seq) : 0);
/* force advancing if migration's done and we didn't just wrap */
if (all_roots_migrated(super) && !first_block_in_half(bring) &&
scoutfs_trigger(sb, BTREE_ADVANCE_RING_HALF))

38
kmod/src/scoutfs_trace.h
View File

@@ -2258,6 +2258,44 @@ TRACE_EVENT(scoutfs_btree_read_error,
__entry->fsid, __entry->blkno, __entry->seq)
);
TRACE_EVENT(scoutfs_btree_dirty_block,
TP_PROTO(struct super_block *sb, u64 blkno, u64 seq, u64 next_block,
u64 next_seq, unsigned long cur_dirtied,
unsigned long old_dirtied, u64 bt_blkno, u64 bt_seq),
TP_ARGS(sb, blkno, seq, next_block, next_seq, cur_dirtied, old_dirtied,
bt_blkno, bt_seq),
TP_STRUCT__entry(
__field(__u64, fsid)
__field(__u64, blkno)
__field(__u64, seq)
__field(__u64, next_block)
__field(__u64, next_seq)
__field(unsigned long, cur_dirtied)
__field(unsigned long, old_dirtied)
__field(__u64, bt_blkno)
__field(__u64, bt_seq)
),
TP_fast_assign(
__entry->fsid = FSID_ARG(sb);
__entry->blkno = blkno;
__entry->seq = seq;
__entry->next_block = next_block;
__entry->next_seq = next_seq;
__entry->cur_dirtied = cur_dirtied;
__entry->old_dirtied = old_dirtied;
__entry->bt_blkno = bt_blkno;
__entry->bt_seq = bt_seq;
),
TP_printk("fsid "FSID_FMT" blkno %llu seq %llu next_block %llu next_seq %llu cur_dirtied %lu old_dirtied %lu bt_blkno %llu bt_seq %llu",
__entry->fsid, __entry->blkno, __entry->seq,
__entry->next_block, __entry->next_seq, __entry->cur_dirtied,
__entry->old_dirtied, __entry->bt_blkno, __entry->bt_seq)
);
DECLARE_EVENT_CLASS(scoutfs_extent_class,
TP_PROTO(struct super_block *sb, struct scoutfs_extent *ext),