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Diffstat (limited to 'tools/lib/traceevent/event-parse.c')
-rw-r--r--tools/lib/traceevent/event-parse.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 554828219c3..b203a50c0f2 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -3589,6 +3589,16 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size,
trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
}
+static int is_printable_array(char *p, unsigned int len)
+{
+ unsigned int i;
+
+ for (i = 0; i < len && p[i]; i++)
+ if (!isprint(p[i]))
+ return 0;
+ return 1;
+}
+
static void print_event_fields(struct trace_seq *s, void *data, int size,
struct event_format *event)
{
@@ -3608,7 +3618,8 @@ static void print_event_fields(struct trace_seq *s, void *data, int size,
len = offset >> 16;
offset &= 0xffff;
}
- if (field->flags & FIELD_IS_STRING) {
+ if (field->flags & FIELD_IS_STRING &&
+ is_printable_array(data + offset, len)) {
trace_seq_printf(s, "%s", (char *)data + offset);
} else {
trace_seq_puts(s, "ARRAY[");
@@ -3619,6 +3630,7 @@ static void print_event_fields(struct trace_seq *s, void *data, int size,
*((unsigned char *)data + offset + i));
}
trace_seq_putc(s, ']');
+ field->flags &= ~FIELD_IS_STRING;
}
} else {
val = pevent_read_number(event->pevent, data + field->offset,