137 size_t PointerData::AddBacktrace(size_t num_frames) {  in AddBacktrace()  argument
141     if (!Unwind(&frames, &frames_info, num_frames)) {  in AddBacktrace()
145     frames.resize(num_frames);  in AddBacktrace()
146     num_frames = backtrace_get(frames.data(), frames.size());  in AddBacktrace()
147     if (num_frames == 0) {  in AddBacktrace()
152   FrameKeyType key{.num_frames = num_frames, .frames = frames.data()};  in AddBacktrace()
157     frames.resize(num_frames);  in AddBacktrace()
187     FrameKeyType key{.num_frames = frame_info->frames.size(), .frames = frame_info->frames.data()};  in RemoveBacktrace()
338   size_t num_frames = g_debug->config().free_track_backtrace_num_frames();  in AddFreed()  local
339   if (num_frames) {  in AddFreed()
340     hash_index = AddBacktrace(num_frames);  in AddFreed()