[SYCL][L0] Fix mismatched ZE call count (#4559)

We should create ZeCallCount map only once.

Signed-off-by: Byoungro So byoungro.so@intel.com

Author: bso-intel

sycl/plugins/level_zero/pi_level_zero.cpp

@@ -1529,8 +1529,17 @@ pi_result piPlatformsGet(pi_uint32 NumEntries, pi_platform *Platforms,
     PrintPiTrace = true;
   }
 
-  if (ZeDebug & ZE_DEBUG_CALL_COUNT) {
-    ZeCallCount = new std::map<const char *, int>;
+  static std::once_flag ZeCallCountInitialized;
+  try {
+    std::call_once(ZeCallCountInitialized, []() {
+      if (ZeDebug & ZE_DEBUG_CALL_COUNT) {
+        ZeCallCount = new std::map<const char *, int>;
+      }
+    });
+  } catch (const std::bad_alloc &) {
+    return PI_OUT_OF_HOST_MEMORY;
+  } catch (...) {
+    return PI_ERROR_UNKNOWN;
   }
 
   if (NumEntries == 0 && Platforms != nullptr) {