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path: root/compiler/common_compiler_test.h
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2021-02-03Use mmap for compiled code for gtest.Vladimir Marko
Avoid executing code in memory allocated with malloc() as pointers to that memory can be tagged which interferes with managed stack walk. Test: m test-art-host-gtest. Bug: 177816575 Change-Id: Id376091f82d5686adf3ab18d2980a42e78de57ce
2020-12-10Make RTP::Visit robust against input orderAlex Light
ReferenceTypePropogation::Visit(ArrayRef) relied on the input having a particular order with known values at the front then topological. This could cause issues if the list was not properly sorted, causing the RTP to silently fail. This makes RTP robust against the ordering of inputs for this function. Test: ./test.py --host Bug: 67037140 Change-Id: I03c522ea745f271ce438c82f7c6f3ab476c8249a
2020-05-15Optimizing: Run gtests without creating the Runtime.Vladimir Marko
The only Optimizing test that actually needs a Runtime is the ReferenceTypePropagationTest, so we make it subclass CommonCompilerTest explicitly and change OptimizingUnitTest to subclass CommonArtTest for the other tests. On host, each test that initializes the Runtime takes ~220ms more than without initializing the Runtime. For example, the ConstantFoldingTest that has 10 individual tests previously took over 2.2s to run but without the Runtime initialization it takes around 3-5ms. On target, running 32-bit gtests on taimen with run-gtests.sh (single-threaded) goes from ~28m47s to ~26m13s, a reduction of ~9%. Test: m test-art-host-gtest Test: run-gtests.sh Change-Id: I43e50ed58e52cc0ad04cdb4d39801bfbae840a3d
2019-03-05Refactor compiler tests around CompilerDriver.Vladimir Marko
Introduce CommonCompilerDriverTest and inherit that in tests that need to use CompilerDriver. This is in preparation for moving the CompilerDriver to dex2oat/. Test: m test-art-host-gtest Change-Id: I46cf0bc1df4327569eef5526eeab0781473173a1
2018-12-06Refactor CompilerDriver::CompileAll().Vladimir Marko
Treat verification results and image classes as mutable only in CompilerDriver::PreCompile(), and treat them as immutable during compilation, accessed through the CompilerOptions. This severs the dependency of the inliner on the CompilerDriver. Test: m test-art-host-gtest Test: testrunner.py --host --optimizing Change-Id: I594a0213ca6a5003c19b4bd488af98db4358d51d
2018-08-28Use 'final' and 'override' specifiers directly in ART.Roland Levillain
Remove all uses of macros 'FINAL' and 'OVERRIDE' and replace them with 'final' and 'override' specifiers. Remove all definitions of these macros as well, which were located in these files: - libartbase/base/macros.h - test/913-heaps/heaps.cc - test/ti-agent/ti_macros.h ART is now using C++14; the 'final' and 'override' specifiers have been introduced in C++11. Test: mmma art Change-Id: I256c7758155a71a2940ef2574925a44076feeebf
2018-08-21Remove unnecessary indirection from MemMap.Vladimir Marko
Avoid plain MemMap pointers being passed around by changing the MemMap to moveable and return MemMap objects by value. Previously we could have a valid zero-size MemMap but this is now forbidden. MemMap::RemapAtEnd() is changed to avoid the explicit call to munmap(); mmap() with MAP_FIXED automatically removes old mappings for overlapping regions. Test: m test-art-host-gtest Test: testrunner.py --host --optimizing Test: Pixel 2 XL boots. Test: m test-art-target-gtest Test: testrunner.py --target --optimizing Change-Id: I12bd453c26a396edc20eb141bfd4dad20923f170
2018-06-25Move instruction_set_ to CompilerOptions.Vladimir Marko
Removes CompilerDriver dependency from ImageWriter and several other classes. Test: m test-art-host-gtest Test: testrunner.py --host --optimizing Test: Pixel 2 XL boots. Test: m test-art-target-gtest Test: testrunner.py --target --optimizing Change-Id: I3c5b8ff73732128b9c4fad9405231a216ea72465
2018-06-25Move dex_files_for_oat_file_ to CompilerOptions.Vladimir Marko
A step toward removing the CompilerDriver dependency from several classes, including HSharpening and ImageWriter. Test: m test-art-host-gtest Test: testrunner.py --host --optimizing Change-Id: I364ef66511fdf855cb11b12c818a40572b037727
2018-06-21Use HashSet<std::string> instead of unordered_set<>.Vladimir Marko
Change the default parameters for HashSet<std::string> to allow passing StringPiece as a key, avoiding an unnecessary allocation. Use the HashSet<std::string> instead of std::unordered_set<std::string>. Rename HashSet<> functions that mirror std::unordered_multiset<> to lower-case. Fix CompilerDriver::LoadImageClasses() to avoid using invalidated iterator. Test: m test-art-host-gtest Test: testrunner.py --host Change-Id: I7f8b82ee0b07befc5a0ee1c420b08a2068ad931e
2018-04-13ART: Remove support for compiled-methods and compiled-classesAndreas Gampe
This has been superseded by profile support. This reverts commit 70bef0d8f6aa30b0da5c6ca56e1bc5729f74654b. This reverts commit 4bf3ae9930a155f238dfd471413c866912b2579e. Bug: 76145463 Test: mmma art Test: m test-art-host Change-Id: I5a368cd01812e16869352ec219eae095df4919c4
2018-01-22ART: Refactor profile_compilation_info.h includesAndreas Gampe
Use forward declarations. Test: m Change-Id: Ife25be9e2eb5ba9224f082aaa935f821a3597963
2017-11-28Clean some dex2oat options.Nicolas Geoffray
Remove dump-passes inherited from Quick days, and move dump-timings and dump-stats to CompilerStats. Test: test.py Change-Id: Ie79be858a141e59dc0b2a87d8cb5a5248a5bc7af
2017-11-08cpplint: Cleanup errorsIgor Murashkin
Cleanup errors from upstream cpplint in preparation for moving art's cpplint fork to upstream tip-of-tree cpplint. Test: cd art && mm Bug: 68951293 Change-Id: I15faed4594cbcb8399850f8bdee39d42c0c5b956
2017-04-06Clean up after MIPS got read barriers supportGoran Jakovljevic
This enables checker tests, as well as compiler_driver_test and reflection_test for MIPS32 and MIPS64. Test: mma test-art-host-gtest Test: mma test-art-target-gtest in QEMU (MIPS64) Test: ./testrunner.py --optimizing --target in QEMU (MIPS64) Change-Id: Ic6fe5b17f7f2cd7e38e12fef25afccf9358b80e0
2017-02-17Make dex2oat support profiles passed to non profile filtersMathieu Chartier
Using a non profile filter with an input profile should compile everything but generate an app image and optimize layout based on the profile. Change UseProfileGuidedCompilation to use the profile arguments. Using profile arguments instead of being based on the compiler filter lets us do full speed compile and layout based on profile. Fix ShouldCompileBasedOnProfile to use the compiler filter instead of the existence of a profile. Fixed gtests. Test: test-art-host Bug: 34927277 Change-Id: I325a10d2072ed427bb32f96e4efa54cf81e94ad3
2017-01-18Rename offline_profiling_info to profile_compilation_infoCalin Juravle
This solves a long standing TODO to align the names of the files and the class. Bug: 32434870 Test: test-art-host Change-Id: I2707da8fef8736a7223189d894fc00ff11bfab12
2016-09-30Simplify our intrinsic recognizer.Nicolas Geoffray
- Use the modifiers for storing the intrinsic kind. - Delete dex_file_method_inliner and its associated map. This work was also motivated by the fact that the inline method analyzer leaks intrinsic tables, and even worse, might re-use a table from one dex file to another unrelated dex file in the presence of class unloading and the unlikely event of the dex files getting the same address. test: m test-art-host m test-art-target Change-Id: Ia653d2c72df13889dc85dd8c84997582c034ea4b
2016-09-29Clean up ScopedThreadStateChange to use ObjPtrMathieu Chartier
Also fixed inclusion of -inl.h files in .h files by adding scoped_object_access-inl.h and scoped_fast_natvie_object_access-inl.h Changed AddLocalReference / Decode to use ObjPtr. Changed libartbenchmark to be debug to avoid linkage errors. Bug: 31113334 Test: test-art-host Change-Id: I4d2e160483a29d21e1e0e440585ed328b9811483
2016-08-30ART: SHARED_REQUIRES to REQUIRES_SHAREDAndreas Gampe
This coincides with the actual attribute name and upstream usage. Preparation for deferring to libbase. Test: m Test: m test-art-host Change-Id: Ia8986b5dfd926ba772bf00b0a35eaf83596d8518
2016-07-28Disable CheckSwapUsage test with read barriers on x86.Roland Levillain
This test does not produce the expected results on some x86 systems when read barriers are enabled. Also remove unused TEST_DISABLED_FOR_READ_BARRIER macro definition. Test: m test-art-host-gtest Bug: 29259363 Bug: 12687968 Change-Id: If7c124226b32c10425725e62bb684150aba108ab
2016-04-07Remove more Quick-related macros in tests.Roland Levillain
Remove these macros, as Quick is gone: - TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING_WITH_QUICK - TEST_DISABLED_FOR_READ_BARRIER_WITH_QUICK Also remove TEST_DISABLED_FOR_NON_PIC_COMPILING_WITH_OPTIMIZING, as it is no longer used anywhere. Change-Id: I78617fc060b7727f9b6fffcb2348d6fca01b4928
2016-03-10Disable some image_test cases with concurrent collector.Roland Levillain
The following image_test cases sometimes fail on ART Builbot's x86 concurrent collector configuration: - ImageTest.WriteReadUncompressed - ImageTest.WriteReadLZ4 - ImageTest.WriteReadLZ4HC Disable them to make the build turn green again, while we investigate the failures. Bug: 27578460 Change-Id: I46126e4690e6300e3bfa771c1b6a560272ecb1da
2016-03-09ART: Use optimizing compiler in image_testAndreas Gampe
Expose some compiler options so we can run the image test with the optimizing compiler without running into a stack overflow. Also allow a variable amount of threads in CreateCompilerDriver. Use 16 as a middle ground on the host to speed up the otherwise now slowed-down test. Bug: 27240085 Bug: 27552475 Change-Id: I8db5055d32ae722c8f430903244faa9166cc4886
2016-01-19Improve profile processingCalin Juravle
- allow file descriptors in addition to file names for profiles - fix some minor issues (wrong comparison signs, unhandled errors) - added gtests for profile_compilation_info, profile_assistant and compiler_driver Bug: 26080105 Change-Id: I136039fa1f25858399000049e48b01eafae54eb1
2015-12-10Revert "Revert "Add support for LZ4 compressed image files""Mathieu Chartier
Needed to call compiler_driver_->SetSupportBootImageFixup(false). Bug: 22858531 This reverts commit 83d4d72aa0e4170209ab50c67ba22e46b71352c1. Change-Id: Iaed6a810a0c088f1f2c57cf2f12087f3978a3de1
2015-12-10Revert "Add support for LZ4 compressed image files"Nicolas Geoffray
Tentative. Looks like it breaks image_test for hammerhead: art/compiler/linker/arm/relative_patcher_thumb2.cc:36] Check failed: target_offset & 1u == 1u (target_offset & 1u=0, 1u=1) Bug: 22858531 This reverts commit c6f41b5b3ca3d7ac3c12ad3995ffef4e831973a0. Change-Id: I9bc5738a8b5c8f8bc8b73309f9420fd691bc79a9
2015-12-09Add support for LZ4 compressed image filesMathieu Chartier
Added dex2oat option --image-format=(store|lz4). Using lz4 means that the main image section (all data other than header and bitmap) are stored in a compressed state. N5 results: Boot image size: 8067128 -> 2827605 Decompression time 18.93ms Decompression rate: 426MB/s Patchoat is not currently supported since it maps the source image directly. In order to support compressed images we would need to recompress the output image and then write it back out to a file. Also there are not many cases where we would want to patch a compressed image since they are going to be dirty memory when uncompressed anyways. Might as well just patch as we are loading. Bug: 22858531 Change-Id: I8c54ccf73408273011161a61bb891736735074d9
2015-11-24ARM64 read barrier support for concurrent GC in Optimizing.Roland Levillain
This first implementation uses slow paths to instrument heap reference loads and GC root loads for the concurrent copying collector, respectively calling the artReadBarrierSlow and artReadBarrierForRootSlow runtime entry points. Notes: - This implementation does not instrument HInvokeVirtual nor HInvokeInterface instructions (for class reference loads), as the corresponding read barriers are not stricly required with the current concurrent copying collector. - Intrinsics which may eventually call (on slow path) are disabled when read barriers are enabled, as the current slow path infrastructure does not support this case. - When read barriers are enabled, the code generated for a HArraySet instruction always go into the array set slow path for object arrays (delegating the operation to the runtime), as we are lacking a mechanism to keep a temporary register live accross a runtime call (needed for the instrumentation of type checking code, which requires two successive read barriers). Bug: 12687968 Change-Id: Icfb74f67bf23ae80e7723ee6a0c9ff34ba325d48
2015-11-17ARM read barrier support for concurrent GC in Optimizing.Roland Levillain
This first implementation uses slow paths to instrument heap reference loads and GC root loads for the concurrent copying collector, respectively calling the artReadBarrierSlow and artReadBarrierForRootSlow runtime entry points. Notes: - This implementation does not instrument HInvokeVirtual nor HInvokeInterface instructions (for class reference loads), as the corresponding read barriers are not stricly required with the current concurrent copying collector. - Intrinsics which may eventually call (on slow path) are disabled when read barriers are enabled, as the current slow path infrastructure does not support this case. - When read barriers are enabled, the code generated for a HArraySet instruction always go into the array set slow path for object arrays (delegating the operation to the runtime), as we are lacking a mechanism to keep a temporary register live accross a runtime call (needed for the instrumentation of type checking code, which requires two successive read barriers). Bug: 12687968 Change-Id: I92e8db414d029f952c07f3d3a98069e46dfdbc2a
2015-11-15x86/x86-64 read barrier support for concurrent GC in Optimizing.Roland Levillain
This first implementation uses slow paths to instrument heap reference loads and GC root loads for the concurrent copying collector, respectively calling the artReadBarrierSlow and artReadBarrierForRootSlow (new) runtime entry points. Notes: - This implementation does not instrument HInvokeVirtual nor HInvokeInterface instructions (for class reference loads), as the corresponding read barriers are not stricly required with the current concurrent copying collector. - Intrinsics which may eventually call (on slow path) are disabled when read barriers are enabled, as the current slow path infrastructure does not support this case. - When read barriers are enabled, the code generated for a HArraySet instruction always go into the array set slow path for object arrays (delegating the operation to the runtime), as we are lacking a mechanism to keep a temporary register live accross a runtime call (needed for the instrumentation of type checking code, which requires two successive read barriers). Bug: 12687968 Change-Id: I14cd6107233c326389120336f93955b28ffbb329
2015-10-01Don't force the boot image to using quick.Nicolas Geoffray
Instead, put the debuggable flag. Also, remove obsolete ART_USE_OPTIMIZING_COMPILER environment variable. Change-Id: Idde00da0d063aa461faa0308134f3b420de9fe0a
2015-07-22Move to newer clang annotationsMathieu Chartier
Also enable -Wthread-safety-negative. Changes: Switch to capabilities and negative capabilities. Future work: Use capabilities to implement uninterruptible annotations to work with AssertNoThreadSuspension. Bug: 20072211 Change-Id: I42fcbe0300d98a831c89d1eff3ecd5a7e99ebf33
2015-07-01Implement heap poisoning in ART's Optimizing compiler.Roland Levillain
- Instrument ARM, ARM64, x86 and x86-64 code generators. - Note: To turn heap poisoning on in Optimizing, set the environment variable `ART_HEAP_POISONING' to "true" before compiling ART. Bug: 12687968 Change-Id: Ib3120b38cf805a8a50207a314b9ccc90c8d93740
2015-06-30Make compiler-related gtests honor ART_USE_OPTIMIZING_COMPILER.Roland Levillain
Previously, gtests using the art::CommonCompilerTest class were using Quick as compiler. Now, setting the environment variable ART_USE_OPTIMIZING_COMPILER to `true` before building and running these tests will use Optimizing instead. Change-Id: I724a3215d2eb1841089745fbabb5cb58b0422ef3
2015-05-29Move mirror::ArtMethod to nativeMathieu Chartier
Optimizing + quick tests are passing, devices boot. TODO: Test and fix bugs in mips64. Saves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS. Some of the savings are from removal of virtual methods and direct methods object arrays. Bug: 19264997 Change-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d
2015-04-21ART: Add compiled-methodsAndreas Gampe
Add a dex2oat option for compiled-methods, a more granular filter than compiled-classes. Add compiler-driver support for it. Refactor dex2oat to reuse file reading. Add a test to oat_test. Change-Id: I78d0d040bce7738b4bb7aabe7768b5788d2587ac
2015-03-29ART: Refactor callbacks_ in common_runtime_testAndreas Gampe
The callback is now important for some runtime checks, and just resetting callbacks_ is not correct anymore. Change-Id: I2cb806f1916fd5ea190911a833ce460be557a428
2014-11-24Delete ArtMethod gc_map_ fieldMathieu Chartier
Moved the gc_map field from OatMethod to OatQuickMethodHeader. Deleted the ArtMethod gc_map_ field. Bug: 17643507 Change-Id: Ifa0470c3e4c2f8a319744464d94c6838b76b3d48 (cherry picked from commit 807140048f82a2b87ee5bcf337f23b6a3d1d5269)
2014-10-16Make ART compile with GCC -O0 again.Ian Rogers
Tidy up InstructionSetFeatures so that it has a type hierarchy dependent on architecture. Add to instruction_set_test to warn when InstructionSetFeatures don't agree with ones from system properties, AT_HWCAP and /proc/cpuinfo. Clean-up class linker entry point logic to not return entry points but to test whether the passed code is the particular entrypoint. This works around image trampolines that replicate entrypoints. Bug: 17993736 Change-Id: I5f4b49e88c3b02a79f9bee04f83395146ed7be23
2014-09-15ART: Rename Handle hierarchyAndreas Gampe
Bring the names in line with normal OO principles: ConstHandle becomes Handle, and Handle becomes MutableHandle. Change-Id: I0f018eb7ba28bc422e3a23dd73a6cbe6fc2d2044
2014-08-23Clean up Handle usage.Mathieu Chartier
Prefer using ConstHandle instead of Handle as function arguments since you can't assign new references to ConstHandle which helps prevent bugs. Changed NullHandle to be a ConstHandle so that you can never modify it to be a non null reference. Change-Id: I81cb979f6f8d5b49e5614966a2caf28c3701dd4f
2014-07-15Break apart header files.Ian Rogers
Create libart-gtest for common runtime and compiler gtest routines. Rename CompilerCallbacksImpl that is quick compiler specific. Rename trace clock source constants to not use the overloaded profiler term. Change-Id: I4aac4bdc7e7850c68335f81e59a390133b54e933
2014-07-07Enable compiler testing for ARM64 and x86-64.Ian Rogers
Change-Id: Ica1e43b3cf07de8d4ae2b69f7a8b35205fe32a83
2014-06-24More advanced timing loggers.Mathieu Chartier
The new timing loggers have lower overhead since they only push into a vector. The new format has two types, a start timing and a stop timing. You can thing of these as brackets associated with a timestamp. It uses these to construct various statistics when needed, such as: Total time, exclusive time, and nesting depth. Changed PrettyDuration to have a default of 3 digits after the decimal point. Exaple of a GC dump with exclusive / total times and indenting: I/art (23546): GC iteration timing logger [Exclusive time] [Total time] I/art (23546): 0ms InitializePhase I/art (23546): 0.305ms/167.746ms MarkingPhase I/art (23546): 0ms BindBitmaps I/art (23546): 0ms FindDefaultSpaceBitmap I/art (23546): 0ms/1.709ms ProcessCards I/art (23546): 0.183ms ImageModUnionClearCards I/art (23546): 0.916ms ZygoteModUnionClearCards I/art (23546): 0.610ms AllocSpaceClearCards I/art (23546): 1.373ms AllocSpaceClearCards I/art (23546): 0.305ms/6.318ms MarkRoots I/art (23546): 2.106ms MarkRootsCheckpoint I/art (23546): 0.153ms MarkNonThreadRoots I/art (23546): 4.287ms MarkConcurrentRoots I/art (23546): 43.461ms UpdateAndMarkImageModUnionTable I/art (23546): 0ms/112.712ms RecursiveMark I/art (23546): 112.712ms ProcessMarkStack I/art (23546): 0.610ms/2.777ms PreCleanCards I/art (23546): 0.305ms/0.855ms ProcessCards I/art (23546): 0.153ms ImageModUnionClearCards I/art (23546): 0.610ms ZygoteModUnionClearCards I/art (23546): 0.610ms AllocSpaceClearCards I/art (23546): 0.549ms AllocSpaceClearCards I/art (23546): 0.549ms MarkRootsCheckpoint I/art (23546): 0.610ms MarkNonThreadRoots I/art (23546): 0ms MarkConcurrentRoots I/art (23546): 0.610ms ScanGrayImageSpaceObjects I/art (23546): 0.305ms ScanGrayZygoteSpaceObjects I/art (23546): 0.305ms ScanGrayAllocSpaceObjects I/art (23546): 1.129ms ScanGrayAllocSpaceObjects I/art (23546): 0ms ProcessMarkStack I/art (23546): 0ms/0.977ms (Paused)PausePhase I/art (23546): 0.244ms ReMarkRoots I/art (23546): 0.672ms (Paused)ScanGrayObjects I/art (23546): 0ms (Paused)ProcessMarkStack I/art (23546): 0ms/0.610ms SwapStacks I/art (23546): 0.610ms RevokeAllThreadLocalAllocationStacks I/art (23546): 0ms PreSweepingGcVerification I/art (23546): 0ms/10.621ms ReclaimPhase I/art (23546): 0.610ms/0.702ms ProcessReferences I/art (23546): 0.214ms/0.641ms EnqueueFinalizerReferences I/art (23546): 0.427ms ProcessMarkStack I/art (23546): 0.488ms SweepSystemWeaks I/art (23546): 0.824ms/9.400ms Sweep I/art (23546): 0ms SweepMallocSpace I/art (23546): 0.214ms SweepZygoteSpace I/art (23546): 0.122ms SweepMallocSpace I/art (23546): 6.226ms SweepMallocSpace I/art (23546): 0ms SweepMallocSpace I/art (23546): 2.144ms SweepLargeObjects I/art (23546): 0.305ms SwapBitmaps I/art (23546): 0ms UnBindBitmaps I/art (23546): 0.275ms FinishPhase I/art (23546): GC iteration timing logger: end, 178.971ms Change-Id: Ia55b65609468f212b3cd65cda66b843da42be645
2014-05-23Revert "Revert "Fix an outstanding compaction bug in interpreter.""Mathieu Chartier
Fixed the generic trampoline to not use ToJObject when unnecessary. Bug: 15167269 This reverts commit 3bdb873122964da7937eb070cbcf2ef638a8e459. Change-Id: I0525d0e0f3afb753c770e1572070a0fa22b02271
2014-05-22Revert "Fix an outstanding compaction bug in interpreter."Mathieu Chartier
This reverts commit e09ae0920be57760fb390b6944bce420fa0b5582. Change-Id: I48036306130d5ccfec683d0dc3e9a642a02ee9c1
2014-05-22Fix an outstanding compaction bug in interpreter.Mathieu Chartier
Fixed a bug in DoFieldPut where the FieldHelper GetType could cause thread suspension which would result in a stale obj. Added more handles in the class linker to facilitate moving fiels and methods in the future. Removed un-necessarly passing handle references since these are value types and don't need to be passed by reference. Added a special NullHandle type which allows null handles without a handle scope. Change-Id: I1b51723920a2e4f4f8b2907066f578a3e879fd5b
2014-05-19Now we have a proper C++ library, use std::unique_ptr.Ian Rogers
Also remove the Android.libcxx.mk and other bits of stlport compatibility mechanics. Change-Id: Icdf7188ba3c79cdf5617672c1cfd0a68ae596a61
2014-05-16Fix generic jni issue in ArtMethod::GetQuickFrameInfoDmitry Petrochenko
The 64-bit host mode fails to start due to incorrect detection of GetQuickGenericJniTrampoline. The quick_code is 32-bit and taken from oat file, but GetQuickGenericJniTrampoline returnf 0x7fffxx (64-bit) address of trampoline and execution went to incorrect way. Some clean-up. Original Author: Dmitry Petrochenko <dmitry.petrochenko@intel.com> Signed-off-by: Dmitry Petrochenko <dmitry.petrochenko@intel.com> Signed-off-by: Serguei Katkov <serguei.i.katkov@intel.com> Change-Id: I0952443b2a9f6833ad37ec373837ae208681fad7