misc: add build properties info to LOG file (#262)

 use_rtti, debug level, portable was added to LOG file

Makefile

@@ -825,6 +825,10 @@ else
 	git_date := $(shell git log -1 --date=iso --format="%ad" 2>/dev/null | awk '{print $1 " " $2}' 2>/dev/null)
 endif
 
+use_rtti := $(USE_RTTI)
+portable := $(PORTABLE)
+debug_level := $(DEBUG_LEVEL)
+
 SPDB_BUILD_TAG ?=
 ifneq (${SPDB_RELEASE_BUILD},1)
 	ifeq ($(strip ${SPDB_BUILD_TAG}),)
@@ -834,7 +838,7 @@ ifneq (${SPDB_RELEASE_BUILD},1)
 		SPDB_BUILD_TAG := ?
 	endif
 endif
-gen_build_version = sed -e s/@GIT_SHA@/$(git_sha)/ -e s:@GIT_TAG@:"$(git_tag)": -e s/@GIT_MOD@/"$(git_mod)"/ -e s/@BUILD_DATE@/"$(build_date)"/ -e s/@GIT_DATE@/"$(git_date)"/ -e 's!@SPDB_BUILD_TAG@!$(SPDB_BUILD_TAG:!=\!)!' -e s/@ROCKSDB_PLUGIN_BUILTINS@/'$(ROCKSDB_PLUGIN_BUILTINS)'/ -e s/@ROCKSDB_PLUGIN_EXTERNS@/"$(ROCKSDB_PLUGIN_EXTERNS)"/ util/build_version.cc.in
+gen_build_version = sed -e s/@GIT_SHA@/$(git_sha)/ -e s:@GIT_TAG@:"$(git_tag)": -e s/@GIT_MOD@/"$(git_mod)"/ -e s/@BUILD_DATE@/"$(build_date)"/ -e s/@GIT_DATE@/"$(git_date)"/ -e 's!@SPDB_BUILD_TAG@!$(SPDB_BUILD_TAG:!=\!)!' -e s/@ROCKSDB_PLUGIN_BUILTINS@/'$(ROCKSDB_PLUGIN_BUILTINS)'/ -e s/@ROCKSDB_PLUGIN_EXTERNS@/"$(ROCKSDB_PLUGIN_EXTERNS)"/ -e s/@DEBUG_LEVEL@/"$(debug_level)"/ -e s/@PORTABLE@/"$(portable)"/ -e s/@USE_RTTI@/"$(use_rtti)"/ util/build_version.cc.in
 
 # Record the version of the source that we are compiling.
 # We keep a record of the git revision in this file.  It is then built

db/db_impl/db_impl.cc

@@ -5012,6 +5012,8 @@ void DumpRocksDBBuildVersion(Logger* log) {
   if (date != props.end()) {
     ROCKS_LOG_HEADER(log, "Compile date %s", date->second.c_str());
   }
+  ROCKS_LOG_HEADER(log, "Build properties:%s",
+                   GetRocksDebugPropertiesAsString().c_str());
 }
 
 SequenceNumber DBImpl::GetEarliestMemTableSequenceNumber(SuperVersion* sv,

include/rocksdb/version.h

@@ -27,6 +27,10 @@ namespace ROCKSDB_NAMESPACE {
 // was created.
 const std::unordered_map<std::string, std::string>& GetRocksBuildProperties();
 
+// Returns a set of debug properties such as PORTABLE, DEBUG_LEVEL
+// and USE_RTTI indicating how was created.
+const std::unordered_map<std::string, std::string>& GetRocksDebugProperties();
+
 // Returns the current version of RocksDB as a string (e.g. "6.16.0").
 // If with_patch is true, the patch is included (6.16.x).
 // Otherwise, only major and minor version is included (6.16)
@@ -40,4 +44,15 @@ std::string GetRocksVersionAsString(bool with_patch = true);
 // GetRocksVersionString) is printed.
 std::string GetRocksBuildInfoAsString(const std::string& program,
                                       bool verbose = false);
+//// Gets the set of build properties (@see GetRocksBuildProperties) into a
+// string. Properties are returned one-per-line, with the first line being:
+// "<program> from RocksDB <version>.
+// If verbose is true, the full set of properties is
+// printed. If verbose is false, only the version information (@see
+// GetRocksVersionString) is printed.
+std::string GetRocksBuildFlagsAsString();
+//// Gets the set of build debug properties (@see GetRocksDebugProperties())
+// into a string.
+// Properties are returned on after another(if defined) in a single line.
+std::string GetRocksDebugPropertiesAsString();
 }  // namespace ROCKSDB_NAMESPACE

util/build_version.cc.in

@@ -25,6 +25,15 @@ static const std::string speedb_build_date = "speedb_build_date:@BUILD_DATE@";
 #define SPDB_BUILD_TAG "@SPDB_BUILD_TAG@"
 static const std::string speedb_build_tag = "speedb_build_tag:" SPDB_BUILD_TAG;
 
+#define USE_RTTI "@USE_RTTI@"
+static const std::string use_rtti = "use_rtti:" USE_RTTI;
+
+#define DEBUG_LEVEL "@DEBUG_LEVEL@"
+static const std::string debug_level = "debug_level:" DEBUG_LEVEL;
+
+#define PORTABLE "@PORTABLE@"
+static const std::string portable = "portable:" PORTABLE;
+
 extern "C" {
 @ROCKSDB_PLUGIN_EXTERNS@
 } // extern "C"
@@ -45,22 +54,34 @@ static void AddProperty(std::unordered_map<std::string, std::string> *props, con
     }
   }
 }
-
-static std::unordered_map<std::string, std::string>* LoadPropertiesSet() {
-  auto * properties = new std::unordered_map<std::string, std::string>();
-  AddProperty(properties, speedb_build_git_sha);
-  AddProperty(properties, speedb_build_git_tag);
-  AddProperty(properties, speedb_build_date);
-  if (SPDB_BUILD_TAG[0] == '@') {
-    AddProperty(properties, "?");
+
+static std::unordered_map<std::string, std::string>* LoadPropertiesSet(std::string p) {
+  if(p == "properties"){
+    auto * properties = new std::unordered_map<std::string, std::string>();
+    AddProperty(properties, speedb_build_git_sha);
+    AddProperty(properties, speedb_build_git_tag);
+    AddProperty(properties, speedb_build_date);
+    if (SPDB_BUILD_TAG[0] == '@') {
+      AddProperty(properties, "?");
+    } else {
+      AddProperty(properties, speedb_build_tag);
+    }
+    return properties;
   } else {
-    AddProperty(properties, speedb_build_tag);
+    auto * debug_properties = new std::unordered_map<std::string, std::string>();
+    AddProperty(debug_properties, use_rtti);
+    AddProperty(debug_properties, debug_level);
+    AddProperty(debug_properties, portable);
+    return debug_properties;
   }
-  return properties;
 }
 
 const std::unordered_map<std::string, std::string>& GetRocksBuildProperties() {
-  static std::unique_ptr<std::unordered_map<std::string, std::string>> props(LoadPropertiesSet());
+  static std::unique_ptr<std::unordered_map<std::string, std::string>> props(LoadPropertiesSet("properties"));
+  return *props;
+}
+const std::unordered_map<std::string, std::string>& GetRocksDebugProperties() {
+  static std::unique_ptr<std::unordered_map<std::string, std::string>> props(LoadPropertiesSet("debug_properties"));
   return *props;
 }
 
@@ -100,6 +121,19 @@ std::string GetRocksBuildInfoAsString(const std::string& program, bool verbose)
       info.append(": ");
       info.append(it.second);
     }
+    info.append("\n Build properties:");
+    info.append(GetRocksDebugPropertiesAsString());
+  }
+  return info;
+}
+
+std::string GetRocksDebugPropertiesAsString() {
+  std::string info;
+  for (const auto& it : GetRocksDebugProperties()) {
+    info.append(" ");
+    info.append(it.first);
+    info.append("=");
+    info.append(it.second);
   }
   return info;
 }