[Lldb-commits] [lldb] [LLDB][Data Formatters] Calculate average and total time for summary providers within lldb (PR #102708)

[Miro Bucko via lldb-commits]

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@@ -174,6 +176,83 @@ struct StatisticsOptions {
   std::optional<bool> m_include_transcript;
 };
 
+/// A class that represents statistics about a TypeSummaryProviders invocations
+class SummaryStatistics {
+public:
+  SummaryStatistics() = default;
+  SummaryStatistics(lldb_private::ConstString name) : 
+    m_total_time(), m_name(name), m_summary_count(0) {}
+
+  SummaryStatistics(const SummaryStatistics &&rhs)
+      : m_total_time(), m_name(rhs.m_name), m_summary_count(rhs.m_summary_count.load(std::memory_order_relaxed)) {}
+
+  lldb_private::ConstString GetName() const { return m_name; };
+  double GetAverageTime() const {
+    return m_total_time.get().count() / m_summary_count.load(std::memory_order_relaxed);
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mbucko wrote:

potential division by 0

https://github.com/llvm/llvm-project/pull/102708