[lldb] [llvm] [lldb][telemetry] Implement LLDB Telemetry (part 1) (PR #119716)

[Vy Nguyen via llvm-commits]

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+
+//===-- Telemetry.cpp -----------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+#include "lldb/Core/Telemetry.h"
+
+#include <chrono>
+#include <cstdlib>
+#include <ctime>
+#include <fstream>
+#include <memory>
+#include <string>
+#include <typeinfo>
+#include <utility>
+#include <vector>
+
+#include "lldb/API/SBDebugger.h"
+#include "lldb/API/SBProcess.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/Module.h"
+#include "lldb/Host/FileSystem.h"
+#include "lldb/Host/HostInfo.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/Statistics.h"
+#include "lldb/Utility/ConstString.h"
+#include "lldb/Utility/FileSpec.h"
+#include "lldb/Utility/LLDBLog.h"
+#include "lldb/Utility/UUID.h"
+#include "lldb/Version/Version.h"
+#include "lldb/lldb-enumerations.h"
+#include "lldb/lldb-forward.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/JSON.h"
+#include "llvm/Support/LineIterator.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/RandomNumberGenerator.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Telemetry/Telemetry.h"
+
+namespace lldb_private {
+
+using ::llvm::Error;
+using ::llvm::telemetry::Destination;
+using ::llvm::telemetry::TelemetryInfo;
+
+static size_t ToNanosecOrZero(const std::optional<SteadyTimePoint> &Point) {
+  if (!Point.has_value())
+    return 0;
+
+  return Point.value().time_since_epoch().count();
+}
+
+void LldbBaseTelemetryInfo::serialize(Serializer &serializer) const {
+  serializer.writeInt32("EntryKind", getKind());
+  serializer.writeString("SessionId", SessionId);
+}
+
+void DebuggerTelemetryInfo::serialize(Serializer &serializer) const {
+  LldbBaseTelemetryInfo::serialize(serializer);
+  serializer.writeString("username", username);
+  serializer.writeString("lldb_path", lldb_path);
+  serializer.writeString("cwd", cwd);
+  serializer.writeSizeT("start", stats.start.time_since_epoch().count());
+  serializer.writeSizeT("end", ToNanosecOrZero(stats.end));
+}
+
+void ClientTelemetryInfo::serialize(Serializer &serializer) const {
+  LldbBaseTelemetryInfo::serialize(serializer);
+  serializer.writeString("request_name", request_name);
+  serializer.writeString("error_msg", error_msg);
+  serializer.writeSizeT("start", stats.start.time_since_epoch().count());
+  serializer.writeSizeT("end", ToNanosecOrZero(stats.end));
+}
+
+void TargetTelemetryInfo::serialize(Serializer &serializer) const {
+  LldbBaseTelemetryInfo::serialize(serializer);
+  serializer.writeString("target_uuid", target_uuid);
+  serializer.writeString("binary_path", binary_path);
+  serializer.writeSizeT("binary_size", binary_size);
+}
+
+void CommandTelemetryInfo::serialize(Serializer &serializer) const {
+  LldbBaseTelemetryInfo::serialize(serializer);
+  serializer.writeString("target_uuid", target_uuid);
+  serializer.writeString("command_uuid", command_uuid);
+  serializer.writeString("args", args);
+  serializer.writeString("original_command", original_command);
+  serializer.writeSizeT("start", stats.start.time_since_epoch().count());
+  serializer.writeSizeT("end", ToNanosecOrZero(stats.end));
+
+  // If this entry was emitted at the end of the command-execution,
+  // then calculate the runtime too.
+  if (stats.end.has_value()) {
+    serializer.writeSizeT("command_runtime",
+                          (stats.end.value() - stats.start).count());
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oontvoo wrote:

done

https://github.com/llvm/llvm-project/pull/119716