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authorDarrick J. Wong <djwong@kernel.org>2022-04-25 18:37:05 -0700
committerDarrick J. Wong <djwong@kernel.org>2022-04-27 10:47:18 -0700
commitc46eef34830e51ae7fe4b8371837c586448c3078 (patch)
tree0961b27e75077a754bd8688603c830218b15f8ca /fs/xfs/xfs_trace.h
parenta44a027a8b2a20fec30e0e9c99b0eb41c03e7420 (diff)
downloadlinux-c46eef34830e51ae7fe4b8371837c586448c3078.tar.bz2
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>
Diffstat (limited to 'fs/xfs/xfs_trace.h')
-rw-r--r--fs/xfs/xfs_trace.h5
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)
)