diff options
| author | Christoph Hellwig <hch@lst.de> | 2025-03-10 14:19:15 +0100 |
|---|---|---|
| committer | Carlos Maiolino <cem@kernel.org> | 2025-03-10 14:29:44 +0100 |
| commit | 89ce287c83c91f5d222809b82e597426587a862d (patch) | |
| tree | 115b59274cd822d83b02079eea45cd238b9e2f13 /fs/xfs/xfs_buf.c | |
| parent | e614a00117bc2d46219c66a287ddde0f0a04517c (diff) | |
xfs: trace what memory backs a buffer
Add three trace points for the different backing memory allocators for
buffers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_buf.c')
| -rw-r--r-- | fs/xfs/xfs_buf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index a7430fcd8301..106ee81fa56f 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -240,6 +240,7 @@ xfs_buf_alloc_kmem( return -ENOMEM; } bp->b_flags |= _XBF_KMEM; + trace_xfs_buf_backing_kmem(bp, _RET_IP_); return 0; } @@ -319,9 +320,11 @@ xfs_buf_alloc_backing_mem( if (!folio) { if (size <= PAGE_SIZE) return -ENOMEM; + trace_xfs_buf_backing_fallback(bp, _RET_IP_); goto fallback; } bp->b_addr = folio_address(folio); + trace_xfs_buf_backing_folio(bp, _RET_IP_); return 0; fallback: @@ -335,6 +338,7 @@ fallback: memalloc_retry_wait(gfp_mask); } + trace_xfs_buf_backing_vmalloc(bp, _RET_IP_); return 0; } |