Add DebuggerLogBitmask debug variable to switch log levels

Signed-off-by: Mateusz Hoppe <mateusz.hoppe@intel.com>

opencl/test/unit_test/source_level_debugger/source_level_debugger_tests.cpp

@@ -7,6 +7,7 @@
 
 #include "shared/source/command_container/cmdcontainer.h"
 #include "shared/source/device/device.h"
+#include "shared/source/helpers/file_io.h"
 #include "shared/source/os_interface/os_interface.h"
 #include "shared/source/source_level_debugger/source_level_debugger.h"
 #include "shared/test/common/helpers/debug_manager_state_restore.h"
@@ -730,3 +731,79 @@ TEST(SourceLevelDebugger, givenMode2InEnableMockSourceLevelDebuggerWhenDebuggerC
     auto sld = std::unique_ptr<SourceLevelDebugger>(SourceLevelDebugger::create());
     EXPECT_FALSE(sld->isOptimizationDisabled());
 }
+
+TEST(SourceLevelDebugger, givenDebugVarDumpElfWhenNotifyKernelDebugDataIsCalledThenElfFileIsCreated) {
+    DebugManagerStateRestore stateRestore;
+    DebugManager.flags.DebuggerLogBitmask.set(NEO::DebugVariables::DEBUGGER_LOG_BITMASK::DUMP_ELF);
+
+    DebuggerLibraryRestorer restorer;
+
+    DebuggerLibraryInterceptor interceptor;
+    DebuggerLibrary::setLibraryAvailable(true);
+    DebuggerLibrary::setDebuggerActive(true);
+    DebuggerLibrary::injectDebuggerLibraryInterceptor(&interceptor);
+
+    MockSourceLevelDebugger debugger;
+    char isa[8];
+    char dbgIsa[10];
+    char visa[12];
+
+    KernelInfo info;
+    info.debugData.genIsa = dbgIsa;
+    info.debugData.vIsa = visa;
+    info.debugData.genIsaSize = sizeof(dbgIsa);
+    info.debugData.vIsaSize = sizeof(visa);
+
+    info.kernelDescriptor.kernelMetadata.kernelName = "debugKernel";
+
+    info.heapInfo.KernelHeapSize = sizeof(isa);
+    info.heapInfo.pKernelHeap = isa;
+
+    std::string fileName = info.kernelDescriptor.kernelMetadata.kernelName + ".elf";
+    EXPECT_FALSE(fileExists(fileName));
+
+    debugger.notifyKernelDebugData(&info.debugData, info.kernelDescriptor.kernelMetadata.kernelName, info.heapInfo.pKernelHeap, info.heapInfo.KernelHeapSize);
+    EXPECT_TRUE(fileExists(fileName));
+    std::remove(fileName.c_str());
+}
+
+TEST(SourceLevelDebugger, givenDebugVarDumpElfWhenElfFileExistsWhileNotifyingDebugDataThenSuffixIsAppendedToFileName) {
+    DebugManagerStateRestore stateRestore;
+    DebugManager.flags.DebuggerLogBitmask.set(NEO::DebugVariables::DEBUGGER_LOG_BITMASK::DUMP_ELF);
+
+    DebuggerLibraryRestorer restorer;
+
+    DebuggerLibraryInterceptor interceptor;
+    DebuggerLibrary::setLibraryAvailable(true);
+    DebuggerLibrary::setDebuggerActive(true);
+    DebuggerLibrary::injectDebuggerLibraryInterceptor(&interceptor);
+
+    MockSourceLevelDebugger debugger;
+    char isa[8];
+    char dbgIsa[10];
+    char visa[12];
+
+    KernelInfo info;
+    info.debugData.genIsa = dbgIsa;
+    info.debugData.vIsa = visa;
+    info.debugData.genIsaSize = sizeof(dbgIsa);
+    info.debugData.vIsaSize = sizeof(visa);
+
+    info.kernelDescriptor.kernelMetadata.kernelName = "debugKernel";
+
+    info.heapInfo.KernelHeapSize = sizeof(isa);
+    info.heapInfo.pKernelHeap = isa;
+
+    std::string fileName = info.kernelDescriptor.kernelMetadata.kernelName + ".elf";
+    char data[4];
+    writeDataToFile(fileName.c_str(), data, 4);
+    EXPECT_TRUE(fileExists(fileName));
+
+    std::string fileName2 = info.kernelDescriptor.kernelMetadata.kernelName + "_0.elf";
+    debugger.notifyKernelDebugData(&info.debugData, info.kernelDescriptor.kernelMetadata.kernelName, info.heapInfo.pKernelHeap, info.heapInfo.KernelHeapSize);
+
+    EXPECT_TRUE(fileExists(fileName2));
+
+    std::remove(fileName.c_str());
+    std::remove(fileName2.c_str());
+}

opencl/test/unit_test/test_files/igdrcl.config

@@ -227,3 +227,4 @@ OverrideSlmAllocationSize = -1
 OverrideSlmSize = -1
 UseCyclesPerSecondTimer = 0
 WaitLoopCount = -1
+DebuggerLogBitmask = 0

shared/source/debug_settings/debug_settings_manager.h

@@ -68,6 +68,12 @@ struct DebugVarBase {
 };
 
 struct DebugVariables {
+    struct DEBUGGER_LOG_BITMASK {
+        constexpr static int32_t LOG_INFO{1};
+        constexpr static int32_t LOG_ERROR{1 << 1};
+        constexpr static int32_t DUMP_ELF{1 << 10};
+    };
+
 #define DECLARE_DEBUG_VARIABLE(dataType, variableName, defaultValue, description) \
     DebugVarBase<dataType> variableName{defaultValue};
 #include "debug_variables.inl"

shared/source/debug_settings/debug_variables_base.inl

@@ -93,6 +93,7 @@ DECLARE_DEBUG_VARIABLE(int32_t, GpuScratchRegWriteAfterWalker, -1, "-1: disabled
 DECLARE_DEBUG_VARIABLE(int32_t, GpuScratchRegWriteRegisterOffset, 0, "register offset for GPU scratch register write after walker")
 DECLARE_DEBUG_VARIABLE(int32_t, GpuScratchRegWriteRegisterData, 0, "register data for GPU scratch register write after walker")
 DECLARE_DEBUG_VARIABLE(int32_t, OverrideSlmAllocationSize, -1, "-1: default, >=0: program value for shared local memory size")
+DECLARE_DEBUG_VARIABLE(int32_t, DebuggerLogBitmask, 0, "0: logs disabled, != 0: see DebugVariables::DEBUGGER_LOG_BITMASK")
 
 /*LOGGING FLAGS*/
 DECLARE_DEBUG_VARIABLE(int32_t, PrintDriverDiagnostics, -1, "prints driver diagnostics messages to standard output, value corresponds to hint level")

shared/source/source_level_debugger/source_level_debugger.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -10,6 +10,7 @@
 #include "shared/source/debug_settings/debug_settings_manager.h"
 #include "shared/source/debugger/debugger.h"
 #include "shared/source/helpers/debug_helpers.h"
+#include "shared/source/helpers/file_io.h"
 #include "shared/source/kernel/debug_data.h"
 #include "shared/source/os_interface/os_interface.h"
 
@@ -213,6 +214,18 @@ bool SourceLevelDebugger::notifyKernelDebugData(const DebugData *debugData, cons
             kernelDebugData.dbgVisaSize = debugData->vIsaSize;
             kernelDebugData.dbgGenIsaBuffer = debugData->genIsa;
             kernelDebugData.dbgGenIsaSize = debugData->genIsaSize;
+
+            if (NEO::DebugManager.flags.DebuggerLogBitmask.get() & NEO::DebugVariables::DEBUGGER_LOG_BITMASK::DUMP_ELF) {
+                std::ofstream elfFile;
+                std::string fileName = name + ".elf";
+
+                int suffix = 0;
+                while (fileExists(fileName)) {
+                    fileName = name + "_" + std::to_string(suffix) + ".elf";
+                    suffix++;
+                }
+                writeDataToFile(fileName.c_str(), kernelDebugData.dbgVisaBuffer, kernelDebugData.dbgVisaSize);
+            }
         }
 
         if (sourceLevelDebuggerInterface) {