================
@@ -73,9 +106,46 @@ class TelemetryManager : public llvm::telemetry::Manager {
private:
std::unique_ptr<llvm::telemetry::Config> m_config;
+ // Each instance of a TelemetryManager is assigned a unique ID.
+ const std::string m_id;
+
static std::unique_ptr<TelemetryManager> g_instance;
};
+/// Helper RAII class for collecting telemetry.
+class ScopeTelemetryCollector {
+public:
+ ScopeTelemetryCollector() {
+ if (TelemetryEnabled())
+ m_start = std::chrono::steady_clock::now();
+ }
+
+ ~ScopeTelemetryCollector() {
+ while (!m_exit_funcs.empty()) {
+ (m_exit_funcs.top())();
+ m_exit_funcs.pop();
+ }
+ }
+
+ bool TelemetryEnabled() {
+ TelemetryManager *instance = TelemetryManager::GetInstance();
+ return instance != nullptr && instance->GetConfig()->EnableTelemetry;
----------------
labath wrote:
Okay, but why does GetInstance return a valid object if telemetry is disabled
(at runtime)? Why does the TelemetryManager object even get created in this
case? (Maybe there is a reason for that, but in that case, I'd like to
understand why)
https://github.com/llvm/llvm-project/pull/127696
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