diff --git a/include/haproxy/pattern.h b/include/haproxy/pattern.h
index 570ff282b..1f3fdf164 100644
--- a/include/haproxy/pattern.h
+++ b/include/haproxy/pattern.h
@@ -33,6 +33,9 @@
 extern const char *const pat_match_names[PAT_MATCH_NUM];
 extern int const pat_match_types[PAT_MATCH_NUM];
 
+extern unsigned long long patterns_added;
+extern unsigned long long patterns_freed;
+
 extern int (*const pat_parse_fcts[PAT_MATCH_NUM])(const char *, struct pattern *, int, char **);
 extern int (*const pat_index_fcts[PAT_MATCH_NUM])(struct pattern_expr *, struct pattern *, char **);
 extern void (*const pat_prune_fcts[PAT_MATCH_NUM])(struct pattern_expr *);
diff --git a/include/haproxy/stats-t.h b/include/haproxy/stats-t.h
index 465bbe068..f05ec08eb 100644
--- a/include/haproxy/stats-t.h
+++ b/include/haproxy/stats-t.h
@@ -337,6 +337,8 @@ enum stat_idx_info {
 	ST_I_INF_CURR_STRM,
 	ST_I_INF_CUM_STRM,
 	ST_I_INF_WARN_BLOCKED,
+	ST_I_INF_PATTERNS_ADDED,
+	ST_I_INF_PATTERNS_FREED,
 
 	/* must always be the last one */
 	ST_I_INF_MAX
diff --git a/src/pattern.c b/src/pattern.c
index 715c64a63..3e25b88e7 100644
--- a/src/pattern.c
+++ b/src/pattern.c
@@ -143,6 +143,9 @@ struct list pattern_reference = LIST_HEAD_INIT(pattern_reference);
 static THREAD_LOCAL struct lru64_head *pat_lru_tree;
 static unsigned long long pat_lru_seed __read_mostly;
 
+unsigned long long patterns_added = 0;
+unsigned long long patterns_freed = 0;
+
 /*
  *
  * The following functions are not exported and are used by internals process
@@ -1590,6 +1593,7 @@ void pat_ref_delete_by_ptr(struct pat_ref *ref, struct pat_ref_elt *elt)
 	ebmb_delete(&elt->node);
 	free(elt->sample);
 	free(elt);
+	HA_ATOMIC_INC(&patterns_freed);
 }
 
 /* This function removes the pattern matching the pointer <refelt> from
@@ -2001,6 +2005,7 @@ struct pat_ref_elt *pat_ref_append(struct pat_ref *ref, const char *pattern, con
 	/* Even if calloc()'ed, ensure this node is not linked to a tree. */
 	elt->node.node.leaf_p = NULL;
 	ebst_insert(&ref->ebmb_root, &elt->node);
+	HA_ATOMIC_INC(&patterns_added);
 	return elt;
  fail:
 	free(elt);
@@ -2176,6 +2181,7 @@ int pat_ref_purge_range(struct pat_ref *ref, uint from, uint to, int budget)
 		ebmb_delete(&elt->node);
 		free(elt->sample);
 		free(elt);
+		HA_ATOMIC_INC(&patterns_freed);
 	}
 
 	list_for_each_entry(expr, &ref->pat, list)
diff --git a/src/stats.c b/src/stats.c
index b7e6e1805..f710a4aab 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -45,7 +45,7 @@
 #include <haproxy/listener.h>
 #include <haproxy/log.h>
 #include <haproxy/map-t.h>
-#include <haproxy/pattern-t.h>
+#include <haproxy/pattern.h>
 #include <haproxy/pipe.h>
 #include <haproxy/pool.h>
 #include <haproxy/proxy.h>
@@ -172,6 +172,8 @@ const struct stat_col stat_cols_info[ST_I_INF_MAX] = {
 	[ST_I_INF_CURR_STRM]                      = { .name = "CurrStreams",                 .alt_name = NULL,                            .desc = "Current number of streams on this worker process" },
 	[ST_I_INF_CUM_STRM]                       = { .name = "CumStreams",                  .alt_name = NULL,                            .desc = "Total number of streams created on this worker process since started" },
 	[ST_I_INF_WARN_BLOCKED]                   = { .name = "BlockedTrafficWarnings",      .alt_name = NULL,                            .desc = "Total number of warnings issued about traffic being blocked by too slow a task" },
+	[ST_I_INF_PATTERNS_ADDED]                 = { .name = "PatternsAdded",               .alt_name = "patterns_added_total",          .desc = "Total number of patterns added (acl/map entries)" },
+	[ST_I_INF_PATTERNS_FREED]                 = { .name = "PatternsFreed",               .alt_name = "patterns_freed_total",          .desc = "Total number of patterns freed (acl/map entries)" },
 };
 
 /* one line of info */
@@ -836,6 +838,8 @@ int stats_fill_info(struct field *line, int len, uint flags)
 	line[ST_I_INF_CURR_STRM]                      = mkf_u64(0, glob_curr_strms);
 	line[ST_I_INF_CUM_STRM]                       = mkf_u64(0, glob_cum_strms);
 	line[ST_I_INF_WARN_BLOCKED]                   = mkf_u32(0, warn_blocked_issued);
+	line[ST_I_INF_PATTERNS_ADDED]                 = mkf_u64(0, patterns_added);
+	line[ST_I_INF_PATTERNS_FREED]                 = mkf_u64(0, patterns_freed);
 
 	return 1;
 }