From: Darrick J. Wong Date: Tue, 26 Apr 2022 01:37:05 +0000 (-0700) Subject: xfs: capture buffer ops in the xfs_buf tracepoints X-Git-Tag: v5.19-rc1~147^2~36^2~3 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c46eef34830e51ae7fe4b8371837c586448c3078;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: Dave Chinner --- diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index e1197f9ad97e5..91b916e823643 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) )