305     const MmapRecord& r = *static_cast<const MmapRecord*>(&record);  in Update()  local
306     if (r.InKernel()) {  in Update()
307       AddKernelMap(r.data->addr, r.data->len, r.data->pgoff, r.filename);  in Update()
309       AddThreadMap(r.data->pid, r.data->tid, r.data->addr, r.data->len, r.data->pgoff, r.filename);  in Update()
312     const Mmap2Record& r = *static_cast<const Mmap2Record*>(&record);  in Update()  local
313     if (r.InKernel()) {  in Update()
314       AddKernelMap(r.data->addr, r.data->len, r.data->pgoff, r.filename);  in Update()
316       std::string filename = (r.filename == DEFAULT_EXECNAME_FOR_THREAD_MMAP)  in Update()
318                                  : r.filename;  in Update()
319       AddThreadMap(r.data->pid, r.data->tid, r.data->addr, r.data->len, r.data->pgoff, filename,  in Update()
320                    r.data->prot);  in Update()
323     const CommRecord& r = *static_cast<const CommRecord*>(&record);  in Update()  local
324     SetThreadName(r.data->pid, r.data->tid, r.comm);  in Update()
326     const ForkRecord& r = *static_cast<const ForkRecord*>(&record);  in Update()  local
327     ForkThread(r.data->pid, r.data->tid, r.data->ppid, r.data->ptid);  in Update()
329     const ExitRecord& r = *static_cast<const ExitRecord*>(&record);  in Update()  local
330     ExitThread(r.data->pid, r.data->tid);  in Update()
332     const auto& r = *static_cast<const KernelSymbolRecord*>(&record);  in Update()  local
333     Dso::SetKallsyms(std::move(r.kallsyms));  in Update()