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-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c39
1 files changed, 33 insertions, 6 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 6ac6b7a33f42..7bd6da80533e 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -386,6 +386,21 @@ exit:
return pylist;
}
+static int is_printable_array(char *p, unsigned int len)
+{
+ unsigned int i;
+
+ if (!p || !len || p[len - 1] != 0)
+ return 0;
+
+ len--;
+
+ for (i = 0; i < len; i++) {
+ if (!isprint(p[i]) && !isspace(p[i]))
+ return 0;
+ }
+ return 1;
+}
static void python_process_tracepoint(struct perf_sample *sample,
struct perf_evsel *evsel,
@@ -457,14 +472,26 @@ static void python_process_tracepoint(struct perf_sample *sample,
pydict_set_item_string_decref(dict, "common_callchain", callchain);
}
for (field = event->format.fields; field; field = field->next) {
- if (field->flags & FIELD_IS_STRING) {
- int offset;
+ unsigned int offset, len;
+ unsigned long long val;
+
+ if (field->flags & FIELD_IS_ARRAY) {
+ offset = field->offset;
+ len = field->size;
if (field->flags & FIELD_IS_DYNAMIC) {
- offset = *(int *)(data + field->offset);
+ val = pevent_read_number(scripting_context->pevent,
+ data + offset, len);
+ offset = val;
+ len = offset >> 16;
offset &= 0xffff;
- } else
- offset = field->offset;
- obj = PyString_FromString((char *)data + offset);
+ }
+ if (field->flags & FIELD_IS_STRING &&
+ is_printable_array(data + offset, len)) {
+ obj = PyString_FromString((char *) data + offset);
+ } else {
+ obj = PyByteArray_FromStringAndSize((const char *) data + offset, len);
+ field->flags &= ~FIELD_IS_STRING;
+ }
} else { /* FIELD_IS_NUMERIC */
obj = get_field_numeric_entry(event, field, data);
}