[Lldb-commits] [lldb] [lldb-dap] show a useful timestamp in log messages (PR #170737)

[via lldb-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Ebuka Ezike (da-viper)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/170737.diff


1 Files Affected:

- (modified) lldb/tools/lldb-dap/DAPLog.cpp (+4-4) 


``````````diff
diff --git a/lldb/tools/lldb-dap/DAPLog.cpp b/lldb/tools/lldb-dap/DAPLog.cpp
index f66784e197518..5b1d650a87241 100644
--- a/lldb/tools/lldb-dap/DAPLog.cpp
+++ b/lldb/tools/lldb-dap/DAPLog.cpp
@@ -8,6 +8,7 @@
 
 #include "DAPLog.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Chrono.h"
 #include "llvm/Support/raw_ostream.h"
 #include <chrono>
 #include <mutex>
@@ -20,10 +21,9 @@ namespace lldb_dap {
 Log::Log(StringRef filename, std::error_code &EC) : m_stream(filename, EC) {}
 
 void Log::WriteMessage(StringRef message) {
-  std::lock_guard<std::mutex> lock(m_mutex);
-  std::chrono::duration<double> now{
-      std::chrono::system_clock::now().time_since_epoch()};
-  m_stream << formatv("{0:f9} ", now.count()).str() << message << "\n";
+  const std::lock_guard<std::mutex> lock(m_mutex);
+  const llvm::sys::TimePoint<> time = std::chrono::system_clock::now();
+  m_stream << formatv("[{0:%H:%M:%S.%L}] ", time) << message << '\n';
   m_stream.flush();
 }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/170737