diff --git a/include/types/activity.h b/include/types/activity.h
index 2a6f5bd6a..618785da8 100644
--- a/include/types/activity.h
+++ b/include/types/activity.h
@@ -54,6 +54,12 @@ struct activity {
 	unsigned int accepted;     // accepted incoming connections
 	unsigned int accq_pushed;  // accept queue connections pushed
 	unsigned int accq_full;    // accept queue connection not pushed because full
+#if defined(DEBUG_DEV)
+	/* keep these ones at the end */
+	unsigned int ctr0;         // general purposee debug counter
+	unsigned int ctr1;         // general purposee debug counter
+	unsigned int ctr2;         // general purposee debug counter
+#endif
 	char __pad[0]; // unused except to check remaining room
 	char __end[0] __attribute__((aligned(64))); // align size to 64.
 };
diff --git a/src/cli.c b/src/cli.c
index 118f8fd4c..39e246ebd 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -1096,6 +1096,12 @@ static int cli_io_handler_show_activity(struct appctx *appctx)
 	chunk_appendf(&trash, "\naccq_ring:");    for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", (accept_queue_rings[thr].tail - accept_queue_rings[thr].head + ACCEPT_QUEUE_SIZE)%ACCEPT_QUEUE_SIZE);
 #endif
 
+#if defined(DEBUG_DEV)
+	/* keep these ones at the end */
+	chunk_appendf(&trash, "\nctr0:");         for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].ctr0);
+	chunk_appendf(&trash, "\nctr1:");         for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].ctr1);
+	chunk_appendf(&trash, "\nctr2:");         for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].ctr2);
+#endif
 	chunk_appendf(&trash, "\n");
 
 	if (ci_putchk(si_ic(si), &trash) == -1) {