From f6fd6dd053b8663a219a8c740ed01fe02665bb76 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ph.ed.ac.uk>
Date: Fri, 22 Mar 2024 15:30:01 +0000
Subject: [PATCH] Flight recorder, resurrecting the "world famous" Britney test

---
 Grid/util/FlightRecorder.h | 43 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Grid/util/FlightRecorder.h

diff --git a/Grid/util/FlightRecorder.h b/Grid/util/FlightRecorder.h
new file mode 100644
index 00000000..d9f6250a
--- /dev/null
+++ b/Grid/util/FlightRecorder.h
@@ -0,0 +1,43 @@
+#pragma once
+
+NAMESPACE_BEGIN(Grid);
+class FlightRecorder {
+ public:
+  enum LoggingMode_t {
+    LoggingModeNone,
+    LoggingModePrint,
+    LoggingModeRecord,
+    LoggingModeVerify
+  };
+  
+  static int                   LoggingMode;
+  static uint64_t              ErrorCounter;
+  static int32_t               XmitLoggingCounter;
+  static int32_t               RecvLoggingCounter;
+  static int32_t               CsumLoggingCounter;
+  static int32_t               NormLoggingCounter;
+  static int32_t               ReductionLoggingCounter;
+  static std::vector<uint64_t> XmitLogVector;
+  static std::vector<uint64_t> RecvLogVector;
+  static std::vector<uint64_t> CsumLogVector;
+  static std::vector<double>   NormLogVector;
+  static std::vector<double>   ReductionLogVector;
+  static int ContinueOnFail;
+  static int PrintEntireLog;
+  static int ChecksumComms;
+  static int ChecksumCommsSend;
+  static void SetLoggingModePrint(void);
+  static void SetLoggingModeRecord(void);
+  static void SetLoggingModeVerify(void);
+  static void SetLoggingMode(LoggingMode_t mode);
+  static void NormLog(double value);
+  static void CsumLog(uint64_t csum);
+  static void ReductionLog(double lcl, double glbl);
+  static void Truncate(void);
+  static void ResetCounters(void);
+  static uint64_t ErrorCount(void);
+  static void xmitLog(void *,uint64_t bytes);
+  static void recvLog(void *,uint64_t bytes,int rank);
+};
+NAMESPACE_END(Grid);
+