Enable ze_logger creation caller printing

Signed-off-by: Russell McGuire <russell.w.mcguire@intel.com>

Author: rwmcguir

source/layers/validation/ze_validation_layer.cpp

@@ -25,7 +25,7 @@ namespace validation_layer
         enableThreadingValidation = getenv_tobool( "ZE_ENABLE_THREADING_VALIDATION" );
         verboseLogging = getenv_tobool( "ZEL_LOADER_LOGGING_ENABLE_SUCCESS_PRINT" );
 
-        logger = loader::createLogger();
+        logger = loader::createLogger("Validation Layer");
     }
 
     ///////////////////////////////////////////////////////////////////////////////

source/loader/ze_loader.cpp

@@ -638,7 +638,11 @@ namespace loader
         auto discoveredDrivers = discoverEnabledDrivers();
         std::string loadLibraryErrorValue;
 
-        zel_logger = createLogger();
+#ifdef L0_STATIC_LOADER_BUILD
+        zel_logger = createLogger("Static Loader");
+#else
+        zel_logger = createLogger("Dynamic Loader");
+#endif
 
         if ((getenv_string("ZEL_LOADER_LOGGING_LEVEL") == "trace") && !debugTraceEnabled) {
             debugTraceEnabled = true;

source/utils/ze_logger.cpp

@@ -443,7 +443,7 @@ std::string to_string(ze_result_t result) {
 #define LOADER_LOG_FILE           "ze_loader.log"
 #define LOADER_LOG_FILE_DIRECTORY ".oneapi_logs"
 
-std::shared_ptr<ZeLogger> createLogger() {
+std::shared_ptr<ZeLogger> createLogger(const std::string &caller) {
     std::string log_directory = getenv_string("ZEL_LOADER_LOG_DIR");
     if (log_directory.empty()) {
         std::string home_dir;
@@ -530,7 +530,7 @@ std::shared_ptr<ZeLogger> createLogger() {
     // Emit the active configuration as the first log message so the user can
     // confirm what was enabled and where output is going.
     std::string cfg;
-    cfg  = "Loader logging enabled:";
+    cfg  = caller + " logging enabled:";
     cfg += "\n  ZEL_LOADER_LOG_CONSOLE          : " + std::string(log_console ? "stderr" : "disabled");
     cfg += "\n  ZEL_ENABLE_LOADER_LOGGING        : " + std::string(logging_enabled ? "enabled" : "disabled");
     cfg += "\n  ZEL_LOADER_LOGGING_LEVEL         : " + log_level;

source/utils/ze_logger.h

@@ -90,7 +90,7 @@ class ZeLogger {
 std::string to_string(ze_result_t result);
 
 // Factory: reads ZEL_* env vars and constructs an appropriately configured logger.
-std::shared_ptr<ZeLogger> createLogger();
+std::shared_ptr<ZeLogger> createLogger(const std::string &caller = "Loader");
 
 } // namespace loader