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-rw-r--r--tools/perf/util/probe-event.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 2ca62154f79b..29465d440043 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -62,6 +62,18 @@ static int e_snprintf(char *str, size_t size, const char *format, ...)
62 return ret; 62 return ret;
63} 63}
64 64
65/* Check the name is good for event/group */
66static bool check_event_name(const char *name)
67{
68 if (!isalpha(*name) && *name != '_')
69 return false;
70 while (*++name != '\0') {
71 if (!isalpha(*name) && !isdigit(*name) && *name != '_')
72 return false;
73 }
74 return true;
75}
76
65/* Parse probepoint definition. */ 77/* Parse probepoint definition. */
66static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp) 78static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
67{ 79{
@@ -82,6 +94,9 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
82 ptr = strchr(arg, ':'); 94 ptr = strchr(arg, ':');
83 if (ptr) /* Group name is not supported yet. */ 95 if (ptr) /* Group name is not supported yet. */
84 semantic_error("Group name is not supported yet."); 96 semantic_error("Group name is not supported yet.");
97 if (!check_event_name(arg))
98 semantic_error("%s is bad for event name -it must "
99 "follow C symbol-naming rule.", arg);
85 pp->event = strdup(arg); 100 pp->event = strdup(arg);
86 arg = tmp; 101 arg = tmp;
87 } 102 }