diff --git a/kmod/src/scoutfs_trace.h b/kmod/src/scoutfs_trace.h
index dd409c9a..029ee4c8 100644
--- a/kmod/src/scoutfs_trace.h
+++ b/kmod/src/scoutfs_trace.h
@@ -33,12 +33,163 @@
 #include "seg.h"
 #include "super.h"
 #include "ioctl.h"
+#include "count.h"
 
 struct lock_info;
 
 #define FSID_ARG(sb)	le64_to_cpu(SCOUTFS_SB(sb)->super.hdr.fsid)
 #define FSID_FMT	"%llx"
 
+TRACE_EVENT(scoutfs_sync_fs,
+	TP_PROTO(struct super_block *sb, int wait),
+
+	TP_ARGS(sb, wait),
+
+	TP_STRUCT__entry(
+		__field(__u64, fsid)
+		__field(int, wait)
+	),
+
+	TP_fast_assign(
+		__entry->fsid = FSID_ARG(sb);
+		__entry->wait = wait;
+	),
+
+	TP_printk(FSID_FMT" wait %d", __entry->fsid, __entry->wait)
+);
+
+TRACE_EVENT(scoutfs_trans_write_func,
+	TP_PROTO(struct super_block *sb, int dirty),
+
+	TP_ARGS(sb, dirty),
+
+	TP_STRUCT__entry(
+		__field(__u64, fsid)
+		__field(int, dirty)
+	),
+
+	TP_fast_assign(
+		__entry->fsid = FSID_ARG(sb);
+		__entry->dirty = dirty;
+	),
+
+	TP_printk(FSID_FMT" dirty %d", __entry->fsid, __entry->dirty)
+);
+
+TRACE_EVENT(scoutfs_release_trans,
+	TP_PROTO(struct super_block *sb, void *rsv, unsigned int rsv_holders,
+		 struct scoutfs_item_count *res,
+		 struct scoutfs_item_count *act, unsigned int tri_holders,
+		 unsigned int tri_writing, unsigned int tri_items,
+		 unsigned int tri_keys, unsigned int tri_vals),
+
+	TP_ARGS(sb, rsv, rsv_holders, res, act, tri_holders, tri_writing,
+		tri_items, tri_keys, tri_vals),
+
+	TP_STRUCT__entry(
+		__field(__u64, fsid)
+		__field(void *, rsv)
+		__field(unsigned int, rsv_holders)
+		__field(int, res_items)
+		__field(int, res_keys)
+		__field(int, res_vals)
+		__field(int, act_items)
+		__field(int, act_keys)
+		__field(int, act_vals)
+		__field(unsigned int, tri_holders)
+		__field(unsigned int, tri_writing)
+		__field(unsigned int, tri_items)
+		__field(unsigned int, tri_keys)
+		__field(unsigned int, tri_vals)
+	),
+
+	TP_fast_assign(
+		__entry->fsid = FSID_ARG(sb);
+		__entry->rsv = rsv;
+		__entry->rsv_holders = rsv_holders;
+		__entry->res_items = res->items;
+		__entry->res_keys = res->keys;
+		__entry->res_vals = res->vals;
+		__entry->act_items = act->items;
+		__entry->act_keys = act->keys;
+		__entry->act_vals = act->vals;
+		__entry->tri_holders = tri_holders;
+		__entry->tri_writing = tri_writing;
+		__entry->tri_items = tri_items;
+		__entry->tri_keys = tri_keys;
+		__entry->tri_vals = tri_vals;
+	),
+
+	TP_printk(FSID_FMT" rsv %p holders %u reserved %u.%u.%u actual "
+		  "%d.%d.%d, trans holders %u writing %u reserved "
+		  "%u.%u.%u", __entry->fsid, __entry->rsv,
+		  __entry->rsv_holders, __entry->res_items, __entry->res_keys,
+		  __entry->res_vals, __entry->act_items, __entry->act_keys,
+		  __entry->act_vals, __entry->tri_holders, __entry->tri_writing,
+		  __entry->tri_items, __entry->tri_keys, __entry->tri_vals)
+);
+
+TRACE_EVENT(scoutfs_trans_acquired_hold,
+	TP_PROTO(struct super_block *sb, const struct scoutfs_item_count *cnt,
+		 void *rsv, unsigned int rsv_holders,
+		 struct scoutfs_item_count *res,
+		 struct scoutfs_item_count *act, unsigned int tri_holders,
+		 unsigned int tri_writing, unsigned int tri_items,
+		 unsigned int tri_keys, unsigned int tri_vals),
+
+	TP_ARGS(sb, cnt, rsv, rsv_holders, res, act, tri_holders, tri_writing,
+		tri_items, tri_keys, tri_vals),
+
+	TP_STRUCT__entry(
+		__field(__u64, fsid)
+		__field(int, cnt_items)
+		__field(int, cnt_keys)
+		__field(int, cnt_vals)
+		__field(void *, rsv)
+		__field(unsigned int, rsv_holders)
+		__field(int, res_items)
+		__field(int, res_keys)
+		__field(int, res_vals)
+		__field(int, act_items)
+		__field(int, act_keys)
+		__field(int, act_vals)
+		__field(unsigned int, tri_holders)
+		__field(unsigned int, tri_writing)
+		__field(unsigned int, tri_items)
+		__field(unsigned int, tri_keys)
+		__field(unsigned int, tri_vals)
+	),
+
+	TP_fast_assign(
+		__entry->fsid = FSID_ARG(sb);
+		__entry->cnt_items = cnt->items;
+		__entry->cnt_keys = cnt->keys;
+		__entry->cnt_vals = cnt->vals;
+		__entry->rsv = rsv;
+		__entry->rsv_holders = rsv_holders;
+		__entry->res_items = res->items;
+		__entry->res_keys = res->keys;
+		__entry->res_vals = res->vals;
+		__entry->act_items = act->items;
+		__entry->act_keys = act->keys;
+		__entry->act_vals = act->vals;
+		__entry->tri_holders = tri_holders;
+		__entry->tri_writing = tri_writing;
+		__entry->tri_items = tri_items;
+		__entry->tri_keys = tri_keys;
+		__entry->tri_vals = tri_vals;
+	),
+
+	TP_printk(FSID_FMT" cnt %u.%u.%u, rsv %p holders %u reserved %u.%u.%u "
+		  "actual %d.%d.%d, trans holders %u writing %u reserved "
+		  "%u.%u.%u", __entry->fsid, __entry->cnt_items,
+		  __entry->cnt_keys, __entry->cnt_vals, __entry->rsv,
+		  __entry->rsv_holders, __entry->res_items, __entry->res_keys,
+		  __entry->res_vals, __entry->act_items, __entry->act_keys,
+		  __entry->act_vals, __entry->tri_holders, __entry->tri_writing,
+		  __entry->tri_items, __entry->tri_keys, __entry->tri_vals)
+);
+
 TRACE_EVENT(scoutfs_ioc_release_ret,
 	TP_PROTO(struct super_block *sb, int ret),
 
diff --git a/kmod/src/trans.c b/kmod/src/trans.c
index 0cf8b858..32c4c751 100644
--- a/kmod/src/trans.c
+++ b/kmod/src/trans.c
@@ -121,7 +121,7 @@ void scoutfs_trans_write_func(struct work_struct *work)
 
 	wait_event(sbi->trans_hold_wq, drained_holders(tri));
 
-	trace_printk("items dirty %d\n", scoutfs_item_has_dirty(sb));
+	trace_scoutfs_trans_write_func(sb, scoutfs_item_has_dirty(sb));
 
 	if (scoutfs_item_has_dirty(sb)) {
 		/*
@@ -222,7 +222,7 @@ int scoutfs_sync_fs(struct super_block *sb, int wait)
 	struct write_attempt attempt;
 	int ret;
 
-	trace_printk("wait %d\n", wait);
+	trace_scoutfs_sync_fs(sb, wait);
 
 	if (!wait) {
 		queue_trans_work(sbi);
@@ -294,13 +294,12 @@ static bool acquired_hold(struct super_block *sb,
 
 	spin_lock(&tri->lock);
 
-	trace_printk("cnt %u.%u.%u, rsv %p holders %u reserved %u.%u.%u actual %d.%d.%d, trans holders %u writing %u reserved %u.%u.%u\n",
-			cnt->items, cnt->keys, cnt->vals, rsv, rsv->holders,
-			rsv->reserved.items, rsv->reserved.keys,
-			rsv->reserved.vals, rsv->actual.items, rsv->actual.keys,
-			rsv->actual.vals, tri->holders, tri->writing,
-			tri->reserved_items, tri->reserved_keys,
-			tri->reserved_vals);
+	trace_scoutfs_trans_acquired_hold(sb, cnt, rsv, rsv->holders,
+					  &rsv->reserved, &rsv->actual,
+					  tri->holders, tri->writing,
+					  tri->reserved_items,
+					  tri->reserved_keys,
+					  tri->reserved_vals);
 
 	/* use a caller's existing reservation */
 	if (rsv->holders)
@@ -433,12 +432,10 @@ void scoutfs_release_trans(struct super_block *sb)
 
 	spin_lock(&tri->lock);
 
-	trace_printk("rsv %p holders %u reserved %u.%u.%u actual %d.%d.%d, trans holders %u writing %u reserved %u.%u.%u\n",
-			rsv, rsv->holders, rsv->reserved.items,
-			rsv->reserved.keys, rsv->reserved.vals,
-			rsv->actual.items, rsv->actual.keys, rsv->actual.vals,
-			tri->holders, tri->writing, tri->reserved_items,
-			tri->reserved_keys, tri->reserved_vals);
+	trace_scoutfs_release_trans(sb, rsv, rsv->holders, &rsv->reserved,
+				    &rsv->actual, tri->holders, tri->writing,
+				    tri->reserved_items, tri->reserved_keys,
+				    tri->reserved_vals);
 
 	BUG_ON(rsv->holders <= 0);
 	BUG_ON(tri->holders <= 0);