diff --git a/lib/librte_eal/include/rte_eal_trace.h b/lib/librte_eal/include/rte_eal_trace.h
index 1ebb2905a..bcfef0cfa 100644
--- a/lib/librte_eal/include/rte_eal_trace.h
+++ b/lib/librte_eal/include/rte_eal_trace.h
@@ -143,7 +143,7 @@ RTE_TRACE_POINT(
 	RTE_TRACE_POINT_ARGS(const char *type, size_t size, unsigned int align,
 		int socket, void *ptr),
 	rte_trace_point_emit_string(type);
-	rte_trace_point_emit_long(size);
+	rte_trace_point_emit_size_t(size);
 	rte_trace_point_emit_u32(align);
 	rte_trace_point_emit_int(socket);
 	rte_trace_point_emit_ptr(ptr);
@@ -154,7 +154,7 @@ RTE_TRACE_POINT(
 	RTE_TRACE_POINT_ARGS(const char *type, size_t size, unsigned int align,
 		int socket, void *ptr),
 	rte_trace_point_emit_string(type);
-	rte_trace_point_emit_long(size);
+	rte_trace_point_emit_size_t(size);
 	rte_trace_point_emit_u32(align);
 	rte_trace_point_emit_int(socket);
 	rte_trace_point_emit_ptr(ptr);
@@ -164,7 +164,7 @@ RTE_TRACE_POINT(
 	rte_eal_trace_mem_realloc,
 	RTE_TRACE_POINT_ARGS(size_t size, unsigned int align, int socket,
 		void *ptr),
-	rte_trace_point_emit_long(size);
+	rte_trace_point_emit_size_t(size);
 	rte_trace_point_emit_u32(align);
 	rte_trace_point_emit_int(socket);
 	rte_trace_point_emit_ptr(ptr);
@@ -183,7 +183,7 @@ RTE_TRACE_POINT(
 		unsigned int flags, unsigned int align, unsigned int bound,
 		const void *mz),
 	rte_trace_point_emit_string(name);
-	rte_trace_point_emit_long(len);
+	rte_trace_point_emit_size_t(len);
 	rte_trace_point_emit_int(socket_id);
 	rte_trace_point_emit_u32(flags);
 	rte_trace_point_emit_u32(align);
diff --git a/lib/librte_eal/include/rte_trace_point.h b/lib/librte_eal/include/rte_trace_point.h
index b45171275..377c2414a 100644
--- a/lib/librte_eal/include/rte_trace_point.h
+++ b/lib/librte_eal/include/rte_trace_point.h
@@ -138,6 +138,8 @@ _tp _args \
 #define rte_trace_point_emit_int(val)
 /** Tracepoint function payload for long datatype */
 #define rte_trace_point_emit_long(val)
+/** Tracepoint function payload for size_t datatype */
+#define rte_trace_point_emit_size_t(val)
 /** Tracepoint function payload for float datatype */
 #define rte_trace_point_emit_float(val)
 /** Tracepoint function payload for double datatype */
@@ -395,6 +397,7 @@ do { \
 #define rte_trace_point_emit_i8(in) __rte_trace_point_emit(in, int8_t)
 #define rte_trace_point_emit_int(in) __rte_trace_point_emit(in, int32_t)
 #define rte_trace_point_emit_long(in) __rte_trace_point_emit(in, long)
+#define rte_trace_point_emit_size_t(in) __rte_trace_point_emit(in, size_t)
 #define rte_trace_point_emit_float(in) __rte_trace_point_emit(in, float)
 #define rte_trace_point_emit_double(in) __rte_trace_point_emit(in, double)
 #define rte_trace_point_emit_ptr(in) __rte_trace_point_emit(in, uintptr_t)
diff --git a/lib/librte_mempool/rte_mempool_trace.h b/lib/librte_mempool/rte_mempool_trace.h
index e776df0a6..087c913c8 100644
--- a/lib/librte_mempool/rte_mempool_trace.h
+++ b/lib/librte_mempool/rte_mempool_trace.h
@@ -72,7 +72,7 @@ RTE_TRACE_POINT(
 	rte_trace_point_emit_string(mempool->name);
 	rte_trace_point_emit_ptr(vaddr);
 	rte_trace_point_emit_u64(iova);
-	rte_trace_point_emit_long(len);
+	rte_trace_point_emit_size_t(len);
 	rte_trace_point_emit_ptr(free_cb);
 	rte_trace_point_emit_ptr(opaque);
 )
@@ -84,8 +84,8 @@ RTE_TRACE_POINT(
 	rte_trace_point_emit_ptr(mempool);
 	rte_trace_point_emit_string(mempool->name);
 	rte_trace_point_emit_ptr(addr);
-	rte_trace_point_emit_long(len);
-	rte_trace_point_emit_long(pg_sz);
+	rte_trace_point_emit_size_t(len);
+	rte_trace_point_emit_size_t(pg_sz);
 	rte_trace_point_emit_ptr(free_cb);
 	rte_trace_point_emit_ptr(opaque);
 )
@@ -126,7 +126,7 @@ RTE_TRACE_POINT(
 	RTE_TRACE_POINT_ARGS(struct rte_mempool *mempool, size_t pg_sz),
 	rte_trace_point_emit_ptr(mempool);
 	rte_trace_point_emit_string(mempool->name);
-	rte_trace_point_emit_long(pg_sz);
+	rte_trace_point_emit_size_t(pg_sz);
 )
 
 RTE_TRACE_POINT(
@@ -139,7 +139,7 @@ RTE_TRACE_POINT(
 	rte_trace_point_emit_u32(max_objs);
 	rte_trace_point_emit_ptr(vaddr);
 	rte_trace_point_emit_u64(iova);
-	rte_trace_point_emit_long(len);
+	rte_trace_point_emit_size_t(len);
 	rte_trace_point_emit_ptr(obj_cb);
 	rte_trace_point_emit_ptr(obj_cb_arg);
 )
