xfs: add AIL pushing tracepoints

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 4e3f9bbe0141..ed9252bcdac9 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -26,6 +26,7 @@
 #include "xfs_ag.h"
 #include "xfs_mount.h"
 #include "xfs_trans_priv.h"
+#include "xfs_trace.h"
 #include "xfs_error.h"
 
 #ifdef DEBUG
@@ -425,14 +426,18 @@ xfsaild_push(
                 switch (lock_result) {
                 case XFS_ITEM_SUCCESS:
                         XFS_STATS_INC(xs_push_ail_success);
+                        trace_xfs_ail_push(lip);
+
                         IOP_PUSH(lip);
                         ailp->xa_last_pushed_lsn = lsn;
                         break;
 
                 case XFS_ITEM_PUSHBUF:
                         XFS_STATS_INC(xs_push_ail_pushbuf);
+                        trace_xfs_ail_pushbuf(lip);
 
                         if (!IOP_PUSHBUF(lip)) {
+                                trace_xfs_ail_pushbuf_pinned(lip);
                                 stuck++;
                                 ailp->xa_log_flush++;
                         } else {
@@ -443,12 +448,15 @@ xfsaild_push(
 
                 case XFS_ITEM_PINNED:
                         XFS_STATS_INC(xs_push_ail_pinned);
+                        trace_xfs_ail_pinned(lip);
+
                         stuck++;
                         ailp->xa_log_flush++;
                         break;
 
                 case XFS_ITEM_LOCKED:
                         XFS_STATS_INC(xs_push_ail_locked);
+                        trace_xfs_ail_locked(lip);
                         stuck++;
                         break;