diff options
| -rw-r--r-- | tools/perf/builtin-lock.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 52a6a10a610c..eaba6018da69 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -899,6 +899,23 @@ bool is_lock_function(struct machine *machine, u64 addr) 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) { @@ -941,15 +958,8 @@ static int lock_contention_caller(struct evsel *evsel, struct perf_sample *sampl 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; } |