diff --git a/kmod/src/counters.h b/kmod/src/counters.h
index 9fe291c0..86b5afa2 100644
--- a/kmod/src/counters.h
+++ b/kmod/src/counters.h
@@ -31,10 +31,14 @@
 	EXPAND_COUNTER(data_invalidatepage)	\
 	EXPAND_COUNTER(data_writepage)		\
 	EXPAND_COUNTER(data_end_writeback_page)	\
+	EXPAND_COUNTER(item_alloc)		\
+	EXPAND_COUNTER(item_free)		\
 	EXPAND_COUNTER(item_create)		\
 	EXPAND_COUNTER(item_lookup_hit)		\
 	EXPAND_COUNTER(item_lookup_miss)	\
 	EXPAND_COUNTER(item_delete)		\
+	EXPAND_COUNTER(item_range_alloc)	\
+	EXPAND_COUNTER(item_range_free)		\
 	EXPAND_COUNTER(item_range_hit)		\
 	EXPAND_COUNTER(item_range_miss)		\
 	EXPAND_COUNTER(item_range_insert)	\
@@ -43,10 +47,12 @@
 	EXPAND_COUNTER(item_shrink_dirty_abort)	\
 	EXPAND_COUNTER(item_shrink_skip_inced)	\
 	EXPAND_COUNTER(item_shrink_range)	\
-	EXPAND_COUNTER(item_shrink)
+	EXPAND_COUNTER(item_shrink)		\
+	EXPAND_COUNTER(lock_alloc)		\
+	EXPAND_COUNTER(lock_free)
 
 #define FIRST_COUNTER alloc_alloc
-#define LAST_COUNTER item_shrink
+#define LAST_COUNTER lock_free
 
 #undef EXPAND_COUNTER
 #define EXPAND_COUNTER(which) struct percpu_counter which;
diff --git a/kmod/src/item.c b/kmod/src/item.c
index cb3fee9a..aed13730 100644
--- a/kmod/src/item.c
+++ b/kmod/src/item.c
@@ -103,6 +103,7 @@ static u8 item_flags(struct cached_item *item)
 static void free_item(struct super_block *sb, struct cached_item *item)
 {
 	if (!IS_ERR_OR_NULL(item)) {
+		scoutfs_inc_counter(sb, item_free);
 		WARN_ON_ONCE(!list_empty(&item->entry));
 		WARN_ON_ONCE(!RB_EMPTY_NODE(&item->node));
 		scoutfs_key_free(sb, item->key);
@@ -133,6 +134,9 @@ static struct cached_item *alloc_item(struct super_block *sb,
 		}
 	}
 
+	if (item)
+		scoutfs_inc_counter(sb, item_alloc);
+
 	return item;
 }
 
@@ -563,6 +567,7 @@ static bool check_range(struct super_block *sb, struct rb_root *root,
 static void free_range(struct super_block *sb, struct cached_range *rng)
 {
 	if (!IS_ERR_OR_NULL(rng)) {
+		scoutfs_inc_counter(sb, item_range_free);
 		scoutfs_key_free(sb, rng->start);
 		scoutfs_key_free(sb, rng->end);
 		kfree(rng);
@@ -1099,6 +1104,7 @@ int scoutfs_item_insert_batch(struct super_block *sb, struct list_head *list,
 	if (WARN_ON_ONCE(scoutfs_key_compare(start, end) > 0))
 		return -EINVAL;
 
+	scoutfs_inc_counter(sb, item_range_alloc);
 	rng = kzalloc(sizeof(struct cached_range), GFP_NOFS);
 	if (rng) {
 	       rng->start = scoutfs_key_dup(sb, start);
@@ -1657,6 +1663,7 @@ int scoutfs_item_invalidate(struct super_block *sb,
 
 	/* XXX think about racing with trans write */
 
+	scoutfs_inc_counter(sb, item_range_alloc);
 	rng = kzalloc(sizeof(struct cached_range), GFP_NOFS);
 	if (rng) {
 	       rng->start = scoutfs_key_alloc(sb, SCOUTFS_MAX_KEY_SIZE);
diff --git a/kmod/src/lock.c b/kmod/src/lock.c
index 994121a5..acd60e6c 100644
--- a/kmod/src/lock.c
+++ b/kmod/src/lock.c
@@ -27,6 +27,7 @@
 #include "dlmglue.h"
 #include "inode.h"
 #include "trans.h"
+#include "counters.h"
 
 #define LN_FMT "%u.%u.%u.%llu.%llu"
 #define LN_ARG(name) \
@@ -107,6 +108,7 @@ static void free_scoutfs_lock(struct scoutfs_lock *lock)
 	if (lock) {
 		linfo = SCOUTFS_SB(lock->sb)->lock_info;
 
+		scoutfs_inc_counter(lock->sb, lock_free);
 		ocfs2_lock_res_free(&lock->lockres);
 		scoutfs_key_free(lock->sb, lock->start);
 		scoutfs_key_free(lock->sb, lock->end);
@@ -294,6 +296,7 @@ search:
 		found->sequence = ++linfo->seq_cnt;
 		rb_link_node(&found->node, parent, node);
 		rb_insert_color(&found->node, &linfo->lock_tree);
+		scoutfs_inc_counter(sb, lock_alloc);
 	}
 	found->refcnt++;
 	if (test_bit(SCOUTFS_LOCK_RECLAIM, &found->flags)) {