diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2022-04-25 18:37:05 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2022-04-27 10:47:18 -0700 |
| commit | c46eef34830e51ae7fe4b8371837c586448c3078 (patch) | |
| tree | 0961b27e75077a754bd8688603c830218b15f8ca | |
| parent | a44a027a8b2a20fec30e0e9c99b0eb41c03e7420 (diff) | |
xfs: capture buffer ops in the xfs_buf tracepoints
Record the buffer ops in the xfs_buf tracepoints so that we can monitor
the alleged type of the buffer.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
| -rw-r--r-- | fs/xfs/xfs_trace.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index e1197f9ad97e..91b916e82364 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -418,6 +418,7 @@ DECLARE_EVENT_CLASS(xfs_buf_class, __field(unsigned, lockval) __field(unsigned, flags) __field(unsigned long, caller_ip) + __field(const void *, buf_ops) ), TP_fast_assign( __entry->dev = bp->b_target->bt_dev; @@ -428,9 +429,10 @@ DECLARE_EVENT_CLASS(xfs_buf_class, __entry->lockval = bp->b_sema.count; __entry->flags = bp->b_flags; __entry->caller_ip = caller_ip; + __entry->buf_ops = bp->b_ops; ), TP_printk("dev %d:%d daddr 0x%llx bbcount 0x%x hold %d pincount %d " - "lock %d flags %s caller %pS", + "lock %d flags %s bufops %pS caller %pS", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long long)__entry->bno, __entry->nblks, @@ -438,6 +440,7 @@ DECLARE_EVENT_CLASS(xfs_buf_class, __entry->pincount, __entry->lockval, __print_flags(__entry->flags, "|", XFS_BUF_FLAGS), + __entry->buf_ops, (void *)__entry->caller_ip) ) |