================
@@ -513,6 +518,63 @@ llvm::json::Value DebuggerStats::ReportStatistics(
return std::move(global_stats);
}
+void TargetStats::SetFirstBtTime(lldb::ProcessSP process_sp, Thread &thread) {
+ if (m_first_bt_time_set)
+ return;
+
+ // Our goal here is to calculate the total active time to get to the first bt
+ // so this will be the target creation time, or the load core time plus all
+ // the time to load and index modules and their debug info.
+ double elapsed_time = 0.0;
+ // GetStackFrameCount can be expensive, but at this point we should
+ // have completed a BT successfully, so the frames should already
+ // exist.
+ for (size_t i = 0; i < thread.GetStackFrameCount(); ++i) {
+ lldb::StackFrameSP frame_sp = thread.GetStackFrameAtIndex(i);
+ if (!frame_sp)
+ continue;
+
+ lldb::ModuleSP module_sp =
+ frame_sp->GetSymbolContext(lldb::eSymbolContextModule).module_sp;
+ if (!module_sp)
+ continue;
+
+ // Add the time it took to load and index the module.
+ elapsed_time += module_sp->GetSymtabParseTime().get().count();
+ elapsed_time += module_sp->GetSymtabParseTime().get().count();
+
+ // Add the time it took to load and index the debug info. Can create
+ // false is very important here. We don't want this call to have any side
+ // effects.
+ SymbolFile *sym_file = module_sp->GetSymbolFile(/*can_create=*/false);
+ if (!sym_file)
+ continue;
+
+ elapsed_time += sym_file->GetDebugInfoParseTime().count();
+ elapsed_time += sym_file->GetDebugInfoIndexTime().count();
+
+ // Lastly, walk over all the symbol locators and add their time.
+ for (const auto &entry : module_sp->GetSymbolLocatorStatistics().map) {
+ elapsed_time += entry.second;
----------------
clayborg wrote:
This won't get executed if there is no symbol file as there is a "continue" up
on line 551
https://github.com/llvm/llvm-project/pull/161604
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