return false;
}
+static int get_symbol_name_offset(struct map *map, struct symbol *sym, u64 ip,
+ char *buf, int size)
+{
+ u64 offset;
+
+ if (map == NULL || sym == NULL) {
+ buf[0] = '\0';
+ return 0;
+ }
+
+ offset = map->map_ip(map, ip) - sym->start;
+
+ if (offset)
+ return scnprintf(buf, size, "%s+%#lx", sym->name, offset);
+ else
+ return strlcpy(buf, sym->name, size);
+}
static int lock_contention_caller(struct evsel *evsel, struct perf_sample *sample,
char *buf, int size)
{
sym = node->ms.sym;
if (sym && !is_lock_function(machine, node->ip)) {
- struct map *map = node->ms.map;
- u64 offset;
-
- offset = map->map_ip(map, node->ip) - sym->start;
-
- if (offset)
- scnprintf(buf, size, "%s+%#lx", sym->name, offset);
- else
- strlcpy(buf, sym->name, size);
+ get_symbol_name_offset(node->ms.map, sym, node->ip,
+ buf, size);
return 0;
}