diff --git a/llvm/include/llvm/ProfileData/SampleProf.h b/llvm/include/llvm/ProfileData/SampleProf.h --- a/llvm/include/llvm/ProfileData/SampleProf.h +++ b/llvm/include/llvm/ProfileData/SampleProf.h @@ -427,6 +427,14 @@ void print(raw_ostream &OS, unsigned Indent) const; void dump() const; + bool operator==(const SampleRecord &Other) const { + return NumSamples == Other.NumSamples && CallTargets == Other.CallTargets; + } + + bool operator!=(const SampleRecord &Other) const { + return !(*this == Other); + } + private: uint64_t NumSamples = 0; CallTargetMap CallTargets; @@ -1149,6 +1157,21 @@ // all the inline instances and names of call targets. void findAllNames(DenseSet &NameSet) const; + bool operator==(const FunctionSamples &Other) const { + return (GUIDToFuncNameMap == Other.GUIDToFuncNameMap || + (GUIDToFuncNameMap && Other.GUIDToFuncNameMap && + *GUIDToFuncNameMap == *Other.GUIDToFuncNameMap)) && + FunctionHash == Other.FunctionHash && Context == Other.Context && + TotalSamples == Other.TotalSamples && + TotalHeadSamples == Other.TotalHeadSamples && + BodySamples == Other.BodySamples && + CallsiteSamples == Other.CallsiteSamples; + } + + bool operator!=(const FunctionSamples &Other) const { + return !(*this == Other); + } + private: /// CFG hash value for the function. uint64_t FunctionHash = 0; diff --git a/llvm/include/llvm/ProfileData/SampleProfWriter.h b/llvm/include/llvm/ProfileData/SampleProfWriter.h --- a/llvm/include/llvm/ProfileData/SampleProfWriter.h +++ b/llvm/include/llvm/ProfileData/SampleProfWriter.h @@ -35,6 +35,56 @@ NumOfLayout, }; +/// When writing a profile with size limit, user may want to use a different +/// strategy to reduce function count other than dropping functions with fewest +/// samples first. In this case a class implementing the same interfaces should +/// be provided to SampleProfileWriter::writeWithSizeLimit(). +class FunctionPruningStrategy { +protected: + SampleProfileMap &ProfileMap; + size_t OutputSizeLimit; + +public: + /// \p ProfileMap A reference to the original profile map. It will be modified + /// by Erase(). + /// \p OutputSizeLimit Size limit in bytes of the output profile. This is + /// necessary to estimate how many functions to remove. + FunctionPruningStrategy(SampleProfileMap &ProfileMap, size_t OutputSizeLimit) + : ProfileMap(ProfileMap), OutputSizeLimit(OutputSizeLimit) {} + + virtual ~FunctionPruningStrategy() = default; + + /// SampleProfileWriter::writeWithSizeLimit() calls this after every write + /// iteration if the output size still exceeds the limit. This function + /// should erase some functions from the profile map so that the writer tries + /// to write the profile again with fewer functions. At least 1 entry from the + /// profile map must be erased. + /// + /// \p CurrentOutputSize Number of bytes in the output if current profile map + /// is written. + virtual void Erase(size_t CurrentOutputSize) = 0; +}; + +class DefaultFunctionPruningStrategy : public FunctionPruningStrategy { + std::vector SortedFunctions; + +public: + DefaultFunctionPruningStrategy(SampleProfileMap &ProfileMap, + size_t OutputSizeLimit); + + /// In this default implementation, functions with fewest samples are dropped + /// first. Since the exact size of the output cannot be easily calculated due + /// to compression, we use a heuristic to remove as many functions as + /// necessary but not too many, aiming to minimize the number of write + /// iterations. + /// Empirically, functions with larger total sample count contain linearly + /// more sample entries, meaning it takes linearly more space to write them. + /// The cumulative length is therefore quadratic if all functions are sorted + /// by total sample count. + /// TODO: Find better heuristic. + void Erase(size_t CurrentOutputSize) override; +}; + /// Sample-based profile writer. Base class. class SampleProfileWriter { public: @@ -50,6 +100,17 @@ /// \returns status code of the file update operation. virtual std::error_code write(const SampleProfileMap &ProfileMap); + /// Write sample profiles up to given size limit, using the pruning strategy + /// to drop some functions if necessary. + /// + /// \returns status code of the file update operation. + template + std::error_code writeWithSizeLimit(SampleProfileMap &ProfileMap, + size_t OutputSizeLimit) { + FunctionPruningStrategy Strategy(ProfileMap, OutputSizeLimit); + return writeWithSizeLimitInternal(ProfileMap, OutputSizeLimit, &Strategy); + } + raw_ostream &getOutputStream() { return *OutputStream; } /// Profile writer factory. @@ -79,6 +140,15 @@ // Write function profiles to the profile file. virtual std::error_code writeFuncProfiles(const SampleProfileMap &ProfileMap); + std::error_code writeWithSizeLimitInternal(SampleProfileMap &ProfileMap, + size_t OutputSizeLimit, + FunctionPruningStrategy *Strategy); + + /// For writeWithSizeLimit in text mode, each newline takes 1 additional byte + /// on Windows when actually written to the file, but not written to a memory + /// buffer. This needs to be accounted for when rewriting the profile. + size_t LineCount; + /// Output stream where to emit the profile to. std::unique_ptr OutputStream; @@ -102,6 +172,7 @@ : SampleProfileWriter(OS), Indent(0) {} std::error_code writeHeader(const SampleProfileMap &ProfileMap) override { + LineCount = 0; return sampleprof_error::success; } diff --git a/llvm/lib/ProfileData/SampleProfWriter.cpp b/llvm/lib/ProfileData/SampleProfWriter.cpp --- a/llvm/lib/ProfileData/SampleProfWriter.cpp +++ b/llvm/lib/ProfileData/SampleProfWriter.cpp @@ -30,6 +30,7 @@ #include "llvm/Support/MD5.h" #include "llvm/Support/raw_ostream.h" #include +#include #include #include #include @@ -37,9 +38,109 @@ #include #include +#define DEBUG_TYPE "llvm-profdata" + using namespace llvm; using namespace sampleprof; +namespace llvm { +namespace support { +namespace endian { +namespace { + +// Adapter class to llvm::support::endian::Writer for pwrite(). +struct SeekableWriter { + raw_pwrite_stream &OS; + endianness Endian; + SeekableWriter(raw_pwrite_stream &OS, endianness Endian) + : OS(OS), Endian(Endian) {} + + template + void pwrite(ValueType Val, size_t Offset) { + std::string StringBuf; + raw_string_ostream SStream(StringBuf); + Writer(SStream, Endian).write(Val); + OS.pwrite(StringBuf.data(), StringBuf.size(), Offset); + } +}; + +} // namespace +} // namespace endian +} // namespace support +} // namespace llvm + +DefaultFunctionPruningStrategy::DefaultFunctionPruningStrategy( + SampleProfileMap &ProfileMap, size_t OutputSizeLimit) + : FunctionPruningStrategy(ProfileMap, OutputSizeLimit) { + sortFuncProfiles(ProfileMap, SortedFunctions); +} + +void DefaultFunctionPruningStrategy::Erase(size_t CurrentOutputSize) { + double D = (double)OutputSizeLimit / CurrentOutputSize; + size_t NewSize = (size_t)round(ProfileMap.size() * D * D); + size_t NumToRemove = ProfileMap.size() - NewSize; + if (NumToRemove < 1) + NumToRemove = 1; + + assert(NumToRemove <= SortedFunctions.size()); + llvm::for_each( + llvm::make_range(SortedFunctions.begin() + SortedFunctions.size() - + NumToRemove, + SortedFunctions.end()), + [&](const NameFunctionSamples &E) { ProfileMap.erase(E.first); }); + SortedFunctions.resize(SortedFunctions.size() - NumToRemove); +} + +std::error_code SampleProfileWriter::writeWithSizeLimitInternal( + SampleProfileMap &ProfileMap, size_t OutputSizeLimit, + FunctionPruningStrategy *Strategy) { + if (OutputSizeLimit == 0) + return write(ProfileMap); + + size_t OriginalFunctionCount = ProfileMap.size(); + + std::unique_ptr OriginalOutputStream; + OutputStream.swap(OriginalOutputStream); + + size_t IterationCount = 0; + size_t TotalSize; + + SmallVector StringBuffer; + do { + StringBuffer.clear(); + OutputStream.reset(new raw_svector_ostream(StringBuffer)); + if (std::error_code EC = write(ProfileMap)) + return EC; + + TotalSize = StringBuffer.size(); + // On Windows every "\n" is actually written as "\r\n" to disk but not to + // memory buffer, this difference should be added when considering the total + // output size. +#ifdef _WIN32 + if (Format == SPF_Text) + TotalSize += LineCount; +#endif + if (TotalSize <= OutputSizeLimit) + break; + + Strategy->Erase(TotalSize); + IterationCount++; + } while (ProfileMap.size() != 0); + + if (ProfileMap.size() == 0) + return sampleprof_error::too_large; + + OutputStream.swap(OriginalOutputStream); + OutputStream->write(StringBuffer.data(), StringBuffer.size()); + LLVM_DEBUG(dbgs() << "Profile originally has " << OriginalFunctionCount + << " functions, reduced to " << ProfileMap.size() << " in " + << IterationCount << " iterations\n"); + // Silence warning on Release build. + (void)OriginalFunctionCount; + (void)IterationCount; + return sampleprof_error::success; +} + std::error_code SampleProfileWriter::writeFuncProfiles(const SampleProfileMap &ProfileMap) { std::vector V; @@ -116,6 +217,12 @@ std::error_code SampleProfileWriterExtBinaryBase::write(const SampleProfileMap &ProfileMap) { + // When calling write on a different profile map, existing states should be + // cleared. + NameTable.clear(); + CSNameTable.clear(); + SecHdrTable.clear(); + if (std::error_code EC = writeHeader(ProfileMap)) return EC; @@ -477,6 +584,7 @@ if (Indent == 0) OS << ":" << S.getHeadSamples(); OS << "\n"; + LineCount++; SampleSorter SortedSamples(S.getBodySamples()); for (const auto &I : SortedSamples.get()) { @@ -493,6 +601,7 @@ for (const auto &J : Sample.getSortedCallTargets()) OS << " " << J.first << ":" << J.second; OS << "\n"; + LineCount++; } SampleSorter SortedCallsiteSamples( @@ -515,11 +624,13 @@ if (FunctionSamples::ProfileIsProbeBased) { OS.indent(Indent + 1); OS << "!CFGChecksum: " << S.getFunctionHash() << "\n"; + LineCount++; } if (S.getContext().getAllAttributes()) { OS.indent(Indent + 1); OS << "!Attributes: " << S.getContext().getAllAttributes() << "\n"; + LineCount++; } return sampleprof_error::success; @@ -605,14 +716,10 @@ auto &OS = *OutputStream; // Fill the slot remembered by TableOffset with the offset of FuncOffsetTable. - auto &OFS = static_cast(OS); uint64_t FuncOffsetTableStart = OS.tell(); - if (OFS.seek(TableOffset) == (uint64_t)-1) - return sampleprof_error::ostream_seek_unsupported; - support::endian::Writer Writer(*OutputStream, support::little); - Writer.write(FuncOffsetTableStart); - if (OFS.seek(FuncOffsetTableStart) == (uint64_t)-1) - return sampleprof_error::ostream_seek_unsupported; + support::endian::SeekableWriter Writer(static_cast(OS), + support::little); + Writer.pwrite(FuncOffsetTableStart, TableOffset); // Write out the table size. encodeULEB128(FuncOffsetTable.size(), OS); @@ -623,6 +730,7 @@ return EC; encodeULEB128(Entry.second, OS); } + FuncOffsetTable.clear(); return sampleprof_error::success; } @@ -650,6 +758,10 @@ std::error_code SampleProfileWriterBinary::writeHeader(const SampleProfileMap &ProfileMap) { + // When calling write on a different profile map, existing names should be + // cleared. + NameTable.clear(); + writeMagicIdent(Format); computeSummary(ProfileMap); @@ -690,14 +802,6 @@ } std::error_code SampleProfileWriterExtBinaryBase::writeSecHdrTable() { - auto &OFS = static_cast(*OutputStream); - uint64_t Saved = OutputStream->tell(); - - // Set OutputStream to the location saved in SecHdrTableOffset. - if (OFS.seek(SecHdrTableOffset) == (uint64_t)-1) - return sampleprof_error::ostream_seek_unsupported; - support::endian::Writer Writer(*OutputStream, support::little); - assert(SecHdrTable.size() == SectionHdrLayout.size() && "SecHdrTable entries doesn't match SectionHdrLayout"); SmallVector IndexMap(SecHdrTable.size(), -1); @@ -714,21 +818,23 @@ // needs to be computed after SecLBRProfile (the order in SecHdrTable), // but it needs to be read before SecLBRProfile (the order in // SectionHdrLayout). So we use IndexMap above to switch the order. + support::endian::SeekableWriter Writer( + static_cast(*OutputStream), support::little); for (uint32_t LayoutIdx = 0; LayoutIdx < SectionHdrLayout.size(); LayoutIdx++) { assert(IndexMap[LayoutIdx] < SecHdrTable.size() && "Incorrect LayoutIdx in SecHdrTable"); auto Entry = SecHdrTable[IndexMap[LayoutIdx]]; - Writer.write(static_cast(Entry.Type)); - Writer.write(static_cast(Entry.Flags)); - Writer.write(static_cast(Entry.Offset)); - Writer.write(static_cast(Entry.Size)); + Writer.pwrite(static_cast(Entry.Type), + SecHdrTableOffset + 4 * LayoutIdx * sizeof(uint64_t)); + Writer.pwrite(static_cast(Entry.Flags), + SecHdrTableOffset + (4 * LayoutIdx + 1) * sizeof(uint64_t)); + Writer.pwrite(static_cast(Entry.Offset), + SecHdrTableOffset + (4 * LayoutIdx + 2) * sizeof(uint64_t)); + Writer.pwrite(static_cast(Entry.Size), + SecHdrTableOffset + (4 * LayoutIdx + 3) * sizeof(uint64_t)); } - // Reset OutputStream. - if (OFS.seek(Saved) == (uint64_t)-1) - return sampleprof_error::ostream_seek_unsupported; - return sampleprof_error::success; } diff --git a/llvm/tools/llvm-profdata/llvm-profdata.cpp b/llvm/tools/llvm-profdata/llvm-profdata.cpp --- a/llvm/tools/llvm-profdata/llvm-profdata.cpp +++ b/llvm/tools/llvm-profdata/llvm-profdata.cpp @@ -970,7 +970,7 @@ bool UseMD5, bool GenPartialProfile, bool GenCSNestedProfile, bool SampleMergeColdContext, bool SampleTrimColdContext, bool SampleColdContextFrameDepth, FailureMode FailMode, - bool DropProfileSymbolList) { + bool DropProfileSymbolList, size_t OutputSizeLimit) { using namespace sampleprof; SampleProfileMap ProfileMap; SmallVector, 5> Readers; @@ -1064,7 +1064,10 @@ auto Buffer = getInputFileBuf(ProfileSymbolListFile); handleExtBinaryWriter(*Writer, OutputFormat, Buffer.get(), WriterList, CompressAllSections, UseMD5, GenPartialProfile); - if (std::error_code EC = Writer->write(ProfileMap)) + + // If OutputSizeLimit is 0 (default), it is the same as write(). + if (std::error_code EC = + Writer->writeWithSizeLimit(ProfileMap, OutputSizeLimit)) exitWithErrorCode(std::move(EC)); } @@ -1207,6 +1210,11 @@ "sample-frame-depth-for-cold-context", cl::init(1), cl::desc("Keep the last K frames while merging cold profile. 1 means the " "context-less base profile")); + cl::opt OutputSizeLimit( + "output-size-limit", cl::init(0), cl::Hidden, + cl::desc("Trim cold functions until profile size is below specified " + "limit in bytes. This uses a heursitic and functions may be " + "excessively trimmed")); cl::opt GenPartialProfile( "gen-partial-profile", cl::init(false), cl::Hidden, cl::desc("Generate a partial profile (only meaningful for -extbinary)")); @@ -1293,7 +1301,8 @@ WeightedInputs, Remapper.get(), OutputFilename, OutputFormat, ProfileSymbolListFile, CompressAllSections, UseMD5, GenPartialProfile, GenCSNestedProfile, SampleMergeColdContext, SampleTrimColdContext, - SampleColdContextFrameDepth, FailureMode, DropProfileSymbolList); + SampleColdContextFrameDepth, FailureMode, DropProfileSymbolList, + OutputSizeLimit); return 0; } diff --git a/llvm/unittests/tools/CMakeLists.txt b/llvm/unittests/tools/CMakeLists.txt --- a/llvm/unittests/tools/CMakeLists.txt +++ b/llvm/unittests/tools/CMakeLists.txt @@ -7,5 +7,6 @@ add_subdirectory( llvm-exegesis ) +add_subdirectory(llvm-profdata) add_subdirectory(llvm-profgen) add_subdirectory(llvm-mca) diff --git a/llvm/unittests/tools/llvm-profdata/CMakeLists.txt b/llvm/unittests/tools/llvm-profdata/CMakeLists.txt new file mode 100644 --- /dev/null +++ b/llvm/unittests/tools/llvm-profdata/CMakeLists.txt @@ -0,0 +1,12 @@ +set(LLVM_LINK_COMPONENTS + ProfileData + Support + ) + +add_llvm_unittest(LLVMProfdataTests + OutputSizeLimitTest.cpp + ) + +target_link_libraries(LLVMProfdataTests PRIVATE LLVMTestingSupport) + +set_property(TARGET LLVMProfdataTests PROPERTY FOLDER "Tests/UnitTests/ToolTests") diff --git a/llvm/unittests/tools/llvm-profdata/OutputSizeLimitTest.cpp b/llvm/unittests/tools/llvm-profdata/OutputSizeLimitTest.cpp new file mode 100644 --- /dev/null +++ b/llvm/unittests/tools/llvm-profdata/OutputSizeLimitTest.cpp @@ -0,0 +1,180 @@ +//===- llvm/unittests/tools/llvm-profdata/OutputSizeLimitTest.cpp ---------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "llvm/ProfileData/SampleProfReader.h" +#include "llvm/ProfileData/SampleProfWriter.h" +#include "llvm/Support/FileSystem.h" +#include "llvm/Testing/Support/Error.h" +#include "gtest/gtest.h" + +using namespace llvm; +using llvm::unittest::TempFile; + +std::string Input1 = R"(main:184019:0 + 4: 534 + 4.2: 534 + 5: 1075 + 5.1: 1075 + 6: 2080 + 7: 534 + 9: 2064 _Z3bari:1471 _Z3fooi:631 + 10: inline1:1000 + 1: 1000 + 10: inline2:2000 + 1: 2000 +_Z3bari:20301:1437 + 1: 1437 +_Z3fooi:7711:610 + 1: 610)"; + +const char EmptyProfile[18] = "\xff\xe5\xd0\xb1\xf4\xc9\x94\xa8\x53\x67"; + +/// sys::fs and SampleProf mix Error and error_code, making an adapter class +/// to keep code elegant. +template class ExpectedErrorOr : public Expected { +public: + ExpectedErrorOr(T &&Obj) : Expected(Obj) {} + + ExpectedErrorOr(std::error_code EC) : Expected(errorCodeToError(EC)) {} + + ExpectedErrorOr(Error &&E) : Expected(std::move(E)) {} + + template + ExpectedErrorOr(ErrorOr &&E) + : Expected(errorCodeToError(E.getError())) {} + + template + ExpectedErrorOr(Expected &&E) : Expected(E.takeError()) {} +}; + +#define DEF_VAR_RETURN_IF_ERROR(Var, Value) \ + auto Var##OrErr = Value; \ + if (!Var##OrErr) \ + return Var##OrErr; \ + auto Var = std::move(Var##OrErr.get()) + +#define VAR_RETURN_IF_ERROR(Var, Value) \ + Var##OrErr = Value; \ + if (!Var##OrErr) \ + return Var##OrErr; \ + Var = std::move(Var##OrErr.get()) + +#define RETURN_IF_ERROR(Value) \ + if (auto E = Value) \ + return std::move(E) + +/// The main testing routine. After rewriting profiles with size limit, check +/// the following: +/// 1. The file size of the new profile is within the size limit. +/// 2. The new profile is a subset of the old profile, and the content of every +/// sample in the new profile is unchanged. +/// Note that even though by default samples with fewest total count are dropped +/// first, this is not a requirement. Samples can be dropped by any order. +static ExpectedErrorOr RunTest(StringRef Input, size_t SizeLimit, + SampleProfileFormat Format) { + // Read Input profile. + LLVMContext Context; + auto InputBuffer = MemoryBuffer::getMemBuffer(Input); + DEF_VAR_RETURN_IF_ERROR(Reader, + SampleProfileReader::create(InputBuffer, Context)); + RETURN_IF_ERROR(Reader->read()); + SampleProfileMap OldProfiles = Reader->getProfiles(); + + // Rewrite it to a temp file with size limit. + TempFile Temp("profile", "afdo", "", true); + bool isEmpty = false; + { + DEF_VAR_RETURN_IF_ERROR(Writer, + SampleProfileWriter::create(Temp.path(), Format)); + std::error_code EC = Writer->writeWithSizeLimit(OldProfiles, SizeLimit); + // too_large means no sample could be written because SizeLimit is too + // small. Otherwise any other error code indicates unexpected failure. + if (EC == sampleprof_error::too_large) + isEmpty = true; + else if (EC) + return EC; + } + + // Read the temp file to get new profiles. Use the default empty profile if + // temp file was not written because size limit is too small. + SampleProfileMap NewProfiles; + InputBuffer = MemoryBuffer::getMemBuffer(StringRef(EmptyProfile, 17)); + DEF_VAR_RETURN_IF_ERROR(NewReader, + SampleProfileReader::create(InputBuffer, Context)); + if (!isEmpty) { + VAR_RETURN_IF_ERROR( + NewReader, SampleProfileReader::create(Temp.path().str(), Context)); + RETURN_IF_ERROR(NewReader->read()); + NewProfiles = NewReader->getProfiles(); + } + + // Check temp file is actually within size limit. + uint64_t FileSize; + RETURN_IF_ERROR(sys::fs::file_size(Temp.path(), FileSize)); + EXPECT_LE(FileSize, SizeLimit); + + // For compact binary format, function names are stored as MD5, so we cannot + // directly match the samples of the new profile with the old profile. A + // simple way is to convert the old profile to compact binary format and read + // it back + if (Format == llvm::sampleprof::SPF_Compact_Binary) { + TempFile CompBinary("compbinary", "afdo", "", true); + { + DEF_VAR_RETURN_IF_ERROR( + Writer, SampleProfileWriter::create( + CompBinary.path(), llvm::sampleprof::SPF_Compact_Binary)); + RETURN_IF_ERROR(Writer->write(OldProfiles)); + } + VAR_RETURN_IF_ERROR( + Reader, SampleProfileReader::create(CompBinary.path().str(), Context)); + RETURN_IF_ERROR(Reader->read()); + OldProfiles = Reader->getProfiles(); + } + + // For every sample in the new profile, confirm it is in the old profile and + // unchanged. + for (auto Sample : NewProfiles) { + auto FindResult = OldProfiles.find(Sample.first); + EXPECT_NE(FindResult, OldProfiles.end()); + if (FindResult != OldProfiles.end()) { + EXPECT_EQ(Sample.second.getHeadSamples(), + FindResult->second.getHeadSamples()); + EXPECT_EQ(Sample.second, FindResult->second); + } + } + return nullptr; +} + +TEST(TestOutputSizeLimit, TestOutputSizeLimitExtBinary) { + for (size_t OutputSizeLimit : {490, 489, 488, 475, 474, 459, 400}) + ASSERT_THAT_EXPECTED( + RunTest(Input1, OutputSizeLimit, llvm::sampleprof::SPF_Ext_Binary), + Succeeded()); +} + +TEST(TestOutputSizeLimit, TestOutputSizeLimitBinary) { + for (size_t OutputSizeLimit : {250, 249, 248, 237, 236, 223, 200}) + ASSERT_THAT_EXPECTED( + RunTest(Input1, OutputSizeLimit, llvm::sampleprof::SPF_Binary), + Succeeded()); +} + +TEST(TestOutputSizeLimit, TestOutputSizeLimitCompBinary) { + for (size_t OutputSizeLimit : {277, 276, 275, 264, 263, 250, 200}) + ASSERT_THAT_EXPECTED( + RunTest(Input1, OutputSizeLimit, llvm::sampleprof::SPF_Compact_Binary), + Succeeded()); +} + +TEST(TestOutputSizeLimit, TestOutputSizeLimitText) { + for (size_t OutputSizeLimit : + {229, 228, 227, 213, 212, 211, 189, 188, 187, 186, 150}) + ASSERT_THAT_EXPECTED( + RunTest(Input1, OutputSizeLimit, llvm::sampleprof::SPF_Text), + Succeeded()); +}