diff --git a/test/fuzz/luaL_loadbuffer/luaL_loadbuffer_fuzzer.cc b/test/fuzz/luaL_loadbuffer/luaL_loadbuffer_fuzzer.cc
index f8bb4e8243ead0a86bb6efdfb1b3dd4b6d32d0d1..15ccaf9227183a0216bbef7cb0b08ff29ec59bf0 100644
--- a/test/fuzz/luaL_loadbuffer/luaL_loadbuffer_fuzzer.cc
+++ b/test/fuzz/luaL_loadbuffer/luaL_loadbuffer_fuzzer.cc
@@ -1,8 +1,13 @@
 extern "C"
 {
+#include <signal.h>
+#include <unistd.h>
+
 #include <lua.h>
 #include <lualib.h>
 #include <lauxlib.h>
+/* luaM_metrics */
+#include <lmisclib.h>
 }
 
 #include "lua_grammar.pb.h"
@@ -11,6 +16,77 @@ extern "C"
 #include <libprotobuf-mutator/port/protobuf.h>
 #include <libprotobuf-mutator/src/libfuzzer/libfuzzer_macro.h>
 
+#define PRINT_METRIC(desc, val, total) \
+		std::cerr << (desc) << (val) \
+			  << " (" << (val) * 100 / (total) << "%)" \
+			  << std::endl
+
+struct metrics {
+	size_t total_num;
+	size_t total_num_with_errors;
+	size_t jit_snap_restore;
+	size_t jit_trace_abort;
+	size_t jit_trace_num;
+};
+
+static struct metrics metrics;
+
+static inline void
+print_metrics(struct metrics *metrics)
+{
+	if (metrics->total_num == 0)
+		return;
+
+	std::cerr << "Total number of samples: "
+		  << metrics->total_num << std::endl;
+	PRINT_METRIC("Total number of samples with errors: ",
+		     metrics->total_num_with_errors, metrics->total_num);
+	PRINT_METRIC("Total number of samples with recorded traces: ",
+		     metrics->jit_trace_num, metrics->total_num);
+	PRINT_METRIC("Total number of samples with snap restores: ",
+		     metrics->jit_snap_restore, metrics->total_num);
+	PRINT_METRIC("Total number of samples with abort traces: ",
+		     metrics->jit_trace_abort, metrics->total_num);
+}
+
+/* https://www.tarantool.io/en/doc/latest/reference/tooling/luajit_getmetrics/#getmetrics-c-api */
+static inline void
+collect_lj_metrics(struct metrics *metrics, lua_State *L)
+{
+	struct luam_Metrics lj_metrics;
+	luaM_metrics(L, &lj_metrics);
+	if (lj_metrics.jit_snap_restore != 0)
+		metrics->jit_snap_restore++;
+	if (lj_metrics.jit_trace_abort != 0)
+		metrics->jit_trace_abort++;
+	if (lj_metrics.jit_trace_num != 0)
+		metrics->jit_trace_num++;
+}
+
+void
+sig_handler(int signo, siginfo_t *info, void *context)
+{
+	print_metrics(&metrics);
+}
+
+__attribute__((constructor))
+static void
+setup(void)
+{
+	metrics = {};
+	struct sigaction act = {};
+	act.sa_flags = SA_SIGINFO;
+	act.sa_sigaction = &sig_handler;
+	sigaction(SIGUSR1, &act, NULL);
+}
+
+__attribute__((destructor))
+static void
+teardown(void)
+{
+	print_metrics(&metrics);
+}
+
 /**
  * Get an error message from the stack, and report it to std::cerr.
  * Remove the message from the stack.
@@ -18,6 +94,7 @@ extern "C"
 static inline void
 report_error(lua_State *L, const std::string &prefix)
 {
+	metrics.total_num_with_errors++;
 	const char *verbose = ::getenv("LUA_FUZZER_VERBOSE");
 	if (!verbose)
 		return;
@@ -67,6 +144,8 @@ DEFINE_PROTO_FUZZER(const lua_grammar::Block &message)
 		report_error(L, "lua_pcall()");
 
 end:
+	metrics.total_num++;
+	collect_lj_metrics(&metrics, L);
 	lua_settop(L, 0);
 	lua_close(L);
 }