diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 05ca4a9..bef2805 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -435,7 +435,7 @@
 }
 
 /* Parse perf-probe event argument */
-static void parse_perf_probe_arg(const char *str, struct perf_probe_arg *arg)
+static void parse_perf_probe_arg(char *str, struct perf_probe_arg *arg)
 {
 	char *tmp;
 	struct perf_probe_arg_field **fieldp;
@@ -445,9 +445,17 @@
 	tmp = strchr(str, '=');
 	if (tmp) {
 		arg->name = xstrndup(str, tmp - str);
+		pr_debug("name:%s ", arg->name);
 		str = tmp + 1;
 	}
 
+	tmp = strchr(str, ':');
+	if (tmp) {	/* Type setting */
+		*tmp = '\0';
+		arg->type = xstrdup(tmp + 1);
+		pr_debug("type:%s ", arg->type);
+	}
+
 	tmp = strpbrk(str, "-.");
 	if (!is_c_varname(str) || !tmp) {
 		/* A variable, register, symbol or special value */
@@ -603,6 +611,15 @@
 		len -= ret;
 		field = field->next;
 	}
+
+	if (pa->type) {
+		ret = e_snprintf(tmp, len, ":%s", pa->type);
+		if (ret <= 0)
+			goto error;
+		tmp += ret;
+		len -= ret;
+	}
+
 	return tmp - buf;
 error:
 	die("Failed to synthesize perf probe argument: %s", strerror(-ret));
@@ -825,6 +842,8 @@
 			free(pev->args[i].name);
 		if (pev->args[i].var)
 			free(pev->args[i].var);
+		if (pev->args[i].type)
+			free(pev->args[i].type);
 		field = pev->args[i].field;
 		while (field) {
 			next = field->next;
@@ -1145,6 +1164,8 @@
 			if (pev->args[i].name)
 				tev->args[i].name = xstrdup(pev->args[i].name);
 			tev->args[i].value = xstrdup(pev->args[i].var);
+			if (pev->args[i].type)
+				tev->args[i].type = xstrdup(pev->args[i].type);
 		}
 	}