Sysman : Add check on engine handle creation

Add check whether init succeeded on handle creation.

Related-To: LOCI-3005

Signed-off-by: Bellekallu Rajkiran <bellekallu.rajkiran@intel.com>

Author: bellekal

level_zero/tools/source/sysman/engine/engine.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -24,7 +24,11 @@ EngineHandleContext::~EngineHandleContext() {
 
 void EngineHandleContext::createHandle(zes_engine_group_t engineType, uint32_t engineInstance, uint32_t subDeviceId) {
     Engine *pEngine = new EngineImp(pOsSysman, engineType, engineInstance, subDeviceId);
-    handleList.push_back(pEngine);
+    if (pEngine->initSuccess == true) {
+        handleList.push_back(pEngine);
+    } else {
+        delete pEngine;
+    }
 }
 
 void EngineHandleContext::init() {

level_zero/tools/source/sysman/engine/engine.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -28,6 +28,7 @@ class Engine : _zes_engine_handle_t {
         return static_cast<Engine *>(handle);
     }
     inline zes_engine_handle_t toHandle() { return this; }
+    bool initSuccess = false;
 };
 
 struct EngineHandleContext {

level_zero/tools/source/sysman/engine/engine_imp.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -20,7 +20,10 @@ ze_result_t EngineImp::engineGetProperties(zes_engine_properties_t *pProperties)
 }
 
 void EngineImp::init() {
-    pOsEngine->getProperties(engineProperties);
+    if (pOsEngine->isEngineModuleSupported()) {
+        pOsEngine->getProperties(engineProperties);
+        this->initSuccess = true;
+    }
 }
 
 EngineImp::EngineImp(OsSysman *pOsSysman, zes_engine_group_t engineType, uint32_t engineInstance, uint32_t subDeviceId) {

level_zero/tools/source/sysman/engine/linux/os_engine_imp.cpp

@@ -72,6 +72,13 @@ void LinuxEngineImp::init() {
     fd = pPmuInterface->pmuInterfaceOpen(I915_PMU_ENGINE_BUSY(i915EngineClass->second, engineInstance), -1, PERF_FORMAT_TOTAL_TIME_ENABLED);
 }
 
+bool LinuxEngineImp::isEngineModuleSupported() {
+    if (fd < 0) {
+        return false;
+    }
+    return true;
+}
+
 LinuxEngineImp::LinuxEngineImp(OsSysman *pOsSysman, zes_engine_group_t type, uint32_t engineInstance, uint32_t subDeviceId) : engineGroup(type), engineInstance(engineInstance), subDeviceId(subDeviceId) {
     LinuxSysmanImp *pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
     pDrm = &pLinuxSysmanImp->getDrm();

level_zero/tools/source/sysman/engine/linux/os_engine_imp.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -19,6 +19,7 @@ class LinuxEngineImp : public OsEngine, NEO::NonCopyableOrMovableClass {
   public:
     ze_result_t getActivity(zes_engine_stats_t *pStats) override;
     ze_result_t getProperties(zes_engine_properties_t &properties) override;
+    bool isEngineModuleSupported() override;
     static zes_engine_group_t getGroupFromEngineType(zes_engine_group_t type);
     LinuxEngineImp() = default;
     LinuxEngineImp(OsSysman *pOsSysman, zes_engine_group_t type, uint32_t engineInstance, uint32_t subDeviceId);

level_zero/tools/source/sysman/engine/linux/os_engine_imp_prelim.cpp

@@ -115,6 +115,13 @@ void LinuxEngineImp::init() {
     fd = pPmuInterface->pmuInterfaceOpen(config, -1, PERF_FORMAT_TOTAL_TIME_ENABLED);
 }
 
+bool LinuxEngineImp::isEngineModuleSupported() {
+    if (fd < 0) {
+        return false;
+    }
+    return true;
+}
+
 LinuxEngineImp::LinuxEngineImp(OsSysman *pOsSysman, zes_engine_group_t type, uint32_t engineInstance, uint32_t subDeviceId) : engineGroup(type), engineInstance(engineInstance), subDeviceId(subDeviceId) {
     LinuxSysmanImp *pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
     pDrm = &pLinuxSysmanImp->getDrm();

level_zero/tools/source/sysman/engine/os_engine.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -21,6 +21,7 @@ class OsEngine {
   public:
     virtual ze_result_t getActivity(zes_engine_stats_t *pStats) = 0;
     virtual ze_result_t getProperties(zes_engine_properties_t &properties) = 0;
+    virtual bool isEngineModuleSupported() = 0;
     static OsEngine *create(OsSysman *pOsSysman, zes_engine_group_t engineType, uint32_t engineInstance, uint32_t subDeviceId);
     static ze_result_t getNumEngineTypeAndInstances(std::set<std::pair<zes_engine_group_t, EngineInstanceSubDeviceId>> &engineGroupInstance, OsSysman *pOsSysman);
     virtual ~OsEngine() = default;

level_zero/tools/source/sysman/engine/windows/os_engine_imp.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -57,6 +57,10 @@ ze_result_t WddmEngineImp::getProperties(zes_engine_properties_t &properties) {
     return ZE_RESULT_SUCCESS;
 }
 
+bool WddmEngineImp::isEngineModuleSupported() {
+    return true;
+}
+
 WddmEngineImp::WddmEngineImp(OsSysman *pOsSysman, zes_engine_group_t engineType, uint32_t engineInstance, uint32_t subDeviceId) {
     WddmSysmanImp *pWddmSysmanImp = static_cast<WddmSysmanImp *>(pOsSysman);
     this->engineGroup = engineType;

level_zero/tools/source/sysman/engine/windows/os_engine_imp.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2021 Intel Corporation
+ * Copyright (C) 2020-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -17,6 +17,7 @@ class WddmEngineImp : public OsEngine, NEO::NonCopyableOrMovableClass {
   public:
     ze_result_t getActivity(zes_engine_stats_t *pStats) override;
     ze_result_t getProperties(zes_engine_properties_t &properties) override;
+    bool isEngineModuleSupported() override;
 
     WddmEngineImp() = default;
     WddmEngineImp(OsSysman *pOsSysman, zes_engine_group_t type, uint32_t engineInstance, uint32_t subDeviceId);