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Improve tracing for get_file_block()

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Print the first and last entries, the entry_nr and entry_bytes.

Signed-off-by: Chris Kirby <ckirby@versity.com>
This commit is contained in:
Chris Kirby
2026-01-14 14:44:15 -06:00
parent 9bf3324b6a
commit 16e5be1557
2 changed files with 25 additions and 5 deletions
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28
kmod/src/scoutfs_trace.h
View File

@@ -2620,24 +2620,44 @@ TRACE_EVENT(scoutfs_block_dirty_ref,
);
TRACE_EVENT(scoutfs_get_file_block,
TP_PROTO(struct super_block *sb, u64 blkno, int flags),
TP_PROTO(struct super_block *sb, u64 blkno, int flags,
struct scoutfs_srch_block *srb),
TP_ARGS(sb, blkno, flags),
TP_ARGS(sb, blkno, flags, srb),
TP_STRUCT__entry(
SCSB_TRACE_FIELDS
__field(__u64, blkno)
__field(__u32, entry_nr)
__field(__u32, entry_bytes)
__field(int, flags)
__field(__u64, first_hash)
__field(__u64, first_ino)
__field(__u64, first_id)
__field(__u64, last_hash)
__field(__u64, last_ino)
__field(__u64, last_id)
),
TP_fast_assign(
SCSB_TRACE_ASSIGN(sb);
__entry->blkno = blkno;
__entry->entry_nr = __le32_to_cpu(srb->entry_nr);
__entry->entry_bytes = __le32_to_cpu(srb->entry_bytes);
__entry->flags = flags;
__entry->first_hash = __le64_to_cpu(srb->first.hash);
__entry->first_ino = __le64_to_cpu(srb->first.ino);
__entry->first_id = __le64_to_cpu(srb->first.id);
__entry->last_hash = __le64_to_cpu(srb->last.hash);
__entry->last_ino = __le64_to_cpu(srb->last.ino);
__entry->last_id = __le64_to_cpu(srb->last.id);
),
TP_printk(SCSBF" blkno %llu flags 0x%x",
SCSB_TRACE_ARGS, __entry->blkno, __entry->flags)
TP_printk(SCSBF" blkno %llu nr %u bytes %u flags 0x%x first_hash 0x%llx first_ino %llu first_id 0x%llx last_hash 0x%llx last_ino %llu last_id 0x%llx",
SCSB_TRACE_ARGS, __entry->blkno, __entry->entry_nr,
__entry->entry_bytes, __entry->flags,
__entry->first_hash, __entry->first_ino, __entry->first_id,
__entry->last_hash, __entry->last_ino, __entry->last_id)
);
TRACE_EVENT(scoutfs_block_stale,

2
kmod/src/srch.c
View File

@@ -443,7 +443,7 @@ out:
sfl->blocks = cpu_to_le64(blk + 1);
if (bl) {
trace_scoutfs_get_file_block(sb, bl->blkno, flags);
trace_scoutfs_get_file_block(sb, bl->blkno, flags, bl->data);
}
*bl_ret = bl;