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btrfs: tracepoints: add events for raid stripe tree

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Add trace events for raid-stripe-tree operations.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn
2023-09-14 09:07:05 -07:00
committed by David Sterba
parent 9f9918a801
commit b5e2c2ff67
2 changed files with 84 additions and 0 deletions
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8
fs/btrfs/raid-stripe-tree.c
View File

@@ -59,6 +59,9 @@ int btrfs_delete_raid_extent(struct btrfs_trans_handle *trans, u64 start, u64 le
if (found_end <= start)
break;
trace_btrfs_raid_extent_delete(fs_info, start, end,
found_start, found_end);
ASSERT(found_start >= start && found_end <= end);
ret = btrfs_del_item(trans, stripe_root, path);
if (ret)
@@ -90,6 +93,8 @@ static int btrfs_insert_one_raid_extent(struct btrfs_trans_handle *trans,
return -ENOMEM;
}
trace_btrfs_insert_one_raid_extent(fs_info, bioc->logical, bioc->size,
num_stripes);
btrfs_set_stack_stripe_extent_encoding(stripe_extent, encoding);
for (int i = 0; i < num_stripes; i++) {
u64 devid = bioc->stripes[i].dev->devid;
@@ -242,6 +247,9 @@ int btrfs_get_raid_extent_offset(struct btrfs_fs_info *fs_info,
stripe->physical = physical + offset;
trace_btrfs_get_raid_extent_offset(fs_info, logical, *length,
stripe->physical, devid);
ret = 0;
goto free_path;
}

76
include/trace/events/btrfs.h
View File

@@ -2497,6 +2497,82 @@ DEFINE_EVENT(btrfs_raid56_bio, raid56_write,
TP_ARGS(rbio, bio, trace_info)
);
TRACE_EVENT(btrfs_insert_one_raid_extent,
TP_PROTO(const struct btrfs_fs_info *fs_info, u64 logical, u64 length,
int num_stripes),
TP_ARGS(fs_info, logical, length, num_stripes),
TP_STRUCT__entry_btrfs(
__field( u64, logical )
__field( u64, length )
__field( int, num_stripes )
),
TP_fast_assign_btrfs(fs_info,
__entry->logical = logical;
__entry->length = length;
__entry->num_stripes = num_stripes;
),
TP_printk_btrfs("logical=%llu length=%llu num_stripes=%d",
__entry->logical, __entry->length,
__entry->num_stripes)
);
TRACE_EVENT(btrfs_raid_extent_delete,
TP_PROTO(const struct btrfs_fs_info *fs_info, u64 start, u64 end,
u64 found_start, u64 found_end),
TP_ARGS(fs_info, start, end, found_start, found_end),
TP_STRUCT__entry_btrfs(
__field( u64, start )
__field( u64, end )
__field( u64, found_start )
__field( u64, found_end )
),
TP_fast_assign_btrfs(fs_info,
__entry->start = start;
__entry->end = end;
__entry->found_start = found_start;
__entry->found_end = found_end;
),
TP_printk_btrfs("start=%llu end=%llu found_start=%llu found_end=%llu",
__entry->start, __entry->end, __entry->found_start,
__entry->found_end)
);
TRACE_EVENT(btrfs_get_raid_extent_offset,
TP_PROTO(const struct btrfs_fs_info *fs_info, u64 logical, u64 length,
u64 physical, u64 devid),
TP_ARGS(fs_info, logical, length, physical, devid),
TP_STRUCT__entry_btrfs(
__field( u64, logical )
__field( u64, length )
__field( u64, physical )
__field( u64, devid )
),
TP_fast_assign_btrfs(fs_info,
__entry->logical = logical;
__entry->length = length;
__entry->physical = physical;
__entry->devid = devid;
),
TP_printk_btrfs("logical=%llu length=%llu physical=%llu devid=%llu",
__entry->logical, __entry->length, __entry->physical,
__entry->devid)
);
#endif /* _TRACE_BTRFS_H */
/* This part must be outside protection */