diff --git a/libperf_events/operf_utils.h b/libperf_events/operf_utils.h
index 8afdbc2..4a0368e 100644
--- a/libperf_events/operf_utils.h
+++ b/libperf_events/operf_utils.h
@@ -161,6 +161,13 @@ void op_release_resources(void);
 #define cpu_relax()	asm volatile("yield" ::: "memory")
 #endif
 
+#ifdef __loongarch64
+#define DBAR(hint) __asm__ __volatile__("dbar %0 " : : "I"(hint) : "memory")
+#define cr_r_           0b00101
+#define c_rsync()       DBAR(cr_r_)
+#define rmb()           c_rsync()
+#endif
+
 #ifdef __mips__
 #include <asm/unistd.h>
 #define rmb()		asm volatile(					\