//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/SmallSet.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/ProfileData/SampleProfReader.h"
#include "llvm/ProfileData/SampleProfWriter.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Errc.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+#include <tuple>
using namespace llvm;
-static void exitWithError(const Twine &Message, StringRef Whence = "") {
+enum ProfileFormat { PF_None = 0, PF_Text, PF_Binary, PF_GCC };
+
+static void exitWithError(const Twine &Message, StringRef Whence = "",
+ StringRef Hint = "") {
errs() << "error: ";
if (!Whence.empty())
errs() << Whence << ": ";
errs() << Message << "\n";
+ if (!Hint.empty())
+ errs() << Hint << "\n";
::exit(1);
}
+static void exitWithErrorCode(const std::error_code &Error,
+ StringRef Whence = "") {
+ if (Error.category() == instrprof_category()) {
+ instrprof_error instrError = static_cast<instrprof_error>(Error.value());
+ if (instrError == instrprof_error::unrecognized_format) {
+ // Hint for common error of forgetting -sample for sample profiles.
+ exitWithError(Error.message(), Whence,
+ "Perhaps you forgot to use the -sample option?");
+ }
+ }
+ exitWithError(Error.message(), Whence);
+}
+
+namespace {
enum ProfileKinds { instr, sample };
+}
+
+static void handleMergeWriterError(std::error_code &Error,
+ StringRef WhenceFile = "",
+ StringRef WhenceFunction = "",
+ bool ShowHint = true) {
+ if (!WhenceFile.empty())
+ errs() << WhenceFile << ": ";
+ if (!WhenceFunction.empty())
+ errs() << WhenceFunction << ": ";
+ errs() << Error.message() << "\n";
+
+ if (ShowHint) {
+ StringRef Hint = "";
+ if (Error.category() == instrprof_category()) {
+ instrprof_error instrError = static_cast<instrprof_error>(Error.value());
+ switch (instrError) {
+ case instrprof_error::hash_mismatch:
+ case instrprof_error::count_mismatch:
+ case instrprof_error::value_site_count_mismatch:
+ Hint = "Make sure that all profile data to be merged is generated "
+ "from the same binary.";
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (!Hint.empty())
+ errs() << Hint << "\n";
+ }
+}
-void mergeInstrProfile(cl::list<std::string> Inputs, StringRef OutputFilename) {
+struct WeightedFile {
+ StringRef Filename;
+ uint64_t Weight;
+
+ WeightedFile() {}
+
+ WeightedFile(StringRef F, uint64_t W) : Filename{F}, Weight{W} {}
+};
+typedef SmallVector<WeightedFile, 5> WeightedFileVector;
+
+static void mergeInstrProfile(const WeightedFileVector &Inputs,
+ StringRef OutputFilename,
+ ProfileFormat OutputFormat) {
if (OutputFilename.compare("-") == 0)
exitWithError("Cannot write indexed profdata format to stdout.");
+ if (OutputFormat != PF_Binary && OutputFormat != PF_Text)
+ exitWithError("Unknown format is specified.");
+
std::error_code EC;
raw_fd_ostream Output(OutputFilename.data(), EC, sys::fs::F_None);
if (EC)
- exitWithError(EC.message(), OutputFilename);
+ exitWithErrorCode(EC, OutputFilename);
InstrProfWriter Writer;
- for (const auto &Filename : Inputs) {
- auto ReaderOrErr = InstrProfReader::create(Filename);
+ SmallSet<std::error_code, 4> WriterErrorCodes;
+ for (const auto &Input : Inputs) {
+ auto ReaderOrErr = InstrProfReader::create(Input.Filename);
if (std::error_code ec = ReaderOrErr.getError())
- exitWithError(ec.message(), Filename);
+ exitWithErrorCode(ec, Input.Filename);
auto Reader = std::move(ReaderOrErr.get());
- for (const auto &I : *Reader)
- if (std::error_code EC =
- Writer.addFunctionCounts(I.Name, I.Hash, I.Counts))
- errs() << Filename << ": " << I.Name << ": " << EC.message() << "\n";
+ for (auto &I : *Reader) {
+ if (std::error_code EC = Writer.addRecord(std::move(I), Input.Weight)) {
+ // Only show hint the first time an error occurs.
+ bool firstTime = WriterErrorCodes.insert(EC).second;
+ handleMergeWriterError(EC, Input.Filename, I.Name, firstTime);
+ }
+ }
if (Reader->hasError())
- exitWithError(Reader->getError().message(), Filename);
+ exitWithErrorCode(Reader->getError(), Input.Filename);
}
- Writer.write(Output);
+ if (OutputFormat == PF_Text)
+ Writer.writeText(Output);
+ else
+ Writer.write(Output);
}
-void mergeSampleProfile(cl::list<std::string> Inputs, StringRef OutputFilename,
- sampleprof::SampleProfileFormat OutputFormat) {
+static sampleprof::SampleProfileFormat FormatMap[] = {
+ sampleprof::SPF_None, sampleprof::SPF_Text, sampleprof::SPF_Binary,
+ sampleprof::SPF_GCC};
+
+static void mergeSampleProfile(const WeightedFileVector &Inputs,
+ StringRef OutputFilename,
+ ProfileFormat OutputFormat) {
using namespace sampleprof;
- auto WriterOrErr = SampleProfileWriter::create(OutputFilename, OutputFormat);
+ auto WriterOrErr =
+ SampleProfileWriter::create(OutputFilename, FormatMap[OutputFormat]);
if (std::error_code EC = WriterOrErr.getError())
- exitWithError(EC.message(), OutputFilename);
+ exitWithErrorCode(EC, OutputFilename);
auto Writer = std::move(WriterOrErr.get());
StringMap<FunctionSamples> ProfileMap;
- for (const auto &Filename : Inputs) {
+ SmallVector<std::unique_ptr<sampleprof::SampleProfileReader>, 5> Readers;
+ for (const auto &Input : Inputs) {
auto ReaderOrErr =
- SampleProfileReader::create(Filename, getGlobalContext());
+ SampleProfileReader::create(Input.Filename, getGlobalContext());
if (std::error_code EC = ReaderOrErr.getError())
- exitWithError(EC.message(), Filename);
-
- auto Reader = std::move(ReaderOrErr.get());
+ exitWithErrorCode(EC, Input.Filename);
+
+ // We need to keep the readers around until after all the files are
+ // read so that we do not lose the function names stored in each
+ // reader's memory. The function names are needed to write out the
+ // merged profile map.
+ Readers.push_back(std::move(ReaderOrErr.get()));
+ const auto Reader = Readers.back().get();
if (std::error_code EC = Reader->read())
- exitWithError(EC.message(), Filename);
+ exitWithErrorCode(EC, Input.Filename);
StringMap<FunctionSamples> &Profiles = Reader->getProfiles();
for (StringMap<FunctionSamples>::iterator I = Profiles.begin(),
I != E; ++I) {
StringRef FName = I->first();
FunctionSamples &Samples = I->second;
- ProfileMap[FName].merge(Samples);
+ ProfileMap[FName].merge(Samples, Input.Weight);
}
}
Writer->write(ProfileMap);
}
-int merge_main(int argc, const char *argv[]) {
- cl::list<std::string> Inputs(cl::Positional, cl::Required, cl::OneOrMore,
- cl::desc("<filenames...>"));
+static WeightedFile parseWeightedFile(const StringRef &WeightedFilename) {
+ StringRef WeightStr, FileName;
+ std::tie(WeightStr, FileName) = WeightedFilename.split(',');
+
+ uint64_t Weight;
+ if (WeightStr.getAsInteger(10, Weight) || Weight < 1)
+ exitWithError("Input weight must be a positive integer.");
+
+ if (!sys::fs::exists(FileName))
+ exitWithErrorCode(make_error_code(errc::no_such_file_or_directory),
+ FileName);
+ return WeightedFile(FileName, Weight);
+}
+
+static int merge_main(int argc, const char *argv[]) {
+ cl::list<std::string> InputFilenames(cl::Positional,
+ cl::desc("<filename...>"));
+ cl::list<std::string> WeightedInputFilenames("weighted-input",
+ cl::desc("<weight>,<filename>"));
cl::opt<std::string> OutputFilename("output", cl::value_desc("output"),
cl::init("-"), cl::Required,
cl::desc("Output file"));
cl::values(clEnumVal(instr, "Instrumentation profile (default)"),
clEnumVal(sample, "Sample profile"), clEnumValEnd));
- cl::opt<sampleprof::SampleProfileFormat> OutputFormat(
- cl::desc("Format of output profile (only meaningful with --sample)"),
- cl::init(sampleprof::SPF_Binary),
- cl::values(clEnumValN(sampleprof::SPF_Binary, "binary",
- "Binary encoding (default)"),
- clEnumValN(sampleprof::SPF_Text, "text", "Text encoding"),
- clEnumValN(sampleprof::SPF_GCC, "gcc", "GCC encoding"),
+ cl::opt<ProfileFormat> OutputFormat(
+ cl::desc("Format of output profile"), cl::init(PF_Binary),
+ cl::values(clEnumValN(PF_Binary, "binary", "Binary encoding (default)"),
+ clEnumValN(PF_Text, "text", "Text encoding"),
+ clEnumValN(PF_GCC, "gcc",
+ "GCC encoding (only meaningful for -sample)"),
clEnumValEnd));
cl::ParseCommandLineOptions(argc, argv, "LLVM profile data merger\n");
+ if (InputFilenames.empty() && WeightedInputFilenames.empty())
+ exitWithError("No input files specified. See " +
+ sys::path::filename(argv[0]) + " -help");
+
+ WeightedFileVector WeightedInputs;
+ for (StringRef Filename : InputFilenames)
+ WeightedInputs.push_back(WeightedFile(Filename, 1));
+ for (StringRef WeightedFilename : WeightedInputFilenames)
+ WeightedInputs.push_back(parseWeightedFile(WeightedFilename));
+
if (ProfileKind == instr)
- mergeInstrProfile(Inputs, OutputFilename);
+ mergeInstrProfile(WeightedInputs, OutputFilename, OutputFormat);
else
- mergeSampleProfile(Inputs, OutputFilename, OutputFormat);
+ mergeSampleProfile(WeightedInputs, OutputFilename, OutputFormat);
return 0;
}
-int showInstrProfile(std::string Filename, bool ShowCounts,
- bool ShowAllFunctions, std::string ShowFunction,
- raw_fd_ostream &OS) {
+static int showInstrProfile(std::string Filename, bool ShowCounts,
+ bool ShowIndirectCallTargets, bool ShowAllFunctions,
+ std::string ShowFunction, bool TextFormat,
+ raw_fd_ostream &OS) {
auto ReaderOrErr = InstrProfReader::create(Filename);
if (std::error_code EC = ReaderOrErr.getError())
- exitWithError(EC.message(), Filename);
+ exitWithErrorCode(EC, Filename);
auto Reader = std::move(ReaderOrErr.get());
uint64_t MaxFunctionCount = 0, MaxBlockCount = 0;
ShowAllFunctions || (!ShowFunction.empty() &&
Func.Name.find(ShowFunction) != Func.Name.npos);
+ bool doTextFormatDump = (Show && ShowCounts && TextFormat);
+
+ if (doTextFormatDump) {
+ InstrProfWriter::writeRecordInText(Func, OS);
+ continue;
+ }
+
++TotalFunctions;
assert(Func.Counts.size() > 0 && "function missing entry counter");
if (Func.Counts[0] > MaxFunctionCount)
MaxFunctionCount = Func.Counts[0];
+ for (size_t I = 1, E = Func.Counts.size(); I < E; ++I) {
+ if (Func.Counts[I] > MaxBlockCount)
+ MaxBlockCount = Func.Counts[I];
+ }
+
if (Show) {
+
if (!ShownFunctions)
OS << "Counters:\n";
+
++ShownFunctions;
OS << " " << Func.Name << ":\n"
<< " Hash: " << format("0x%016" PRIx64, Func.Hash) << "\n"
<< " Counters: " << Func.Counts.size() << "\n"
<< " Function count: " << Func.Counts[0] << "\n";
- }
- if (Show && ShowCounts)
- OS << " Block counts: [";
- for (size_t I = 1, E = Func.Counts.size(); I < E; ++I) {
- if (Func.Counts[I] > MaxBlockCount)
- MaxBlockCount = Func.Counts[I];
- if (Show && ShowCounts)
- OS << (I == 1 ? "" : ", ") << Func.Counts[I];
+ if (ShowIndirectCallTargets)
+ OS << " Indirect Call Site Count: "
+ << Func.getNumValueSites(IPVK_IndirectCallTarget) << "\n";
+
+ if (ShowCounts) {
+ OS << " Block counts: [";
+ for (size_t I = 1, E = Func.Counts.size(); I < E; ++I) {
+ OS << (I == 1 ? "" : ", ") << Func.Counts[I];
+ }
+ OS << "]\n";
+ }
+
+ if (ShowIndirectCallTargets) {
+ uint32_t NS = Func.getNumValueSites(IPVK_IndirectCallTarget);
+ OS << " Indirect Target Results: \n";
+ for (size_t I = 0; I < NS; ++I) {
+ uint32_t NV = Func.getNumValueDataForSite(IPVK_IndirectCallTarget, I);
+ std::unique_ptr<InstrProfValueData[]> VD =
+ Func.getValueForSite(IPVK_IndirectCallTarget, I);
+ for (uint32_t V = 0; V < NV; V++) {
+ OS << "\t[ " << I << ", ";
+ OS << (const char *)VD[V].Value << ", " << VD[V].Count << " ]\n";
+ }
+ }
+ }
}
- if (Show && ShowCounts)
- OS << "]\n";
}
+
if (Reader->hasError())
- exitWithError(Reader->getError().message(), Filename);
+ exitWithErrorCode(Reader->getError(), Filename);
+
+ if (ShowCounts && TextFormat)
+ return 0;
if (ShowAllFunctions || !ShowFunction.empty())
OS << "Functions shown: " << ShownFunctions << "\n";
return 0;
}
-int showSampleProfile(std::string Filename, bool ShowCounts,
- bool ShowAllFunctions, std::string ShowFunction,
- raw_fd_ostream &OS) {
+static int showSampleProfile(std::string Filename, bool ShowCounts,
+ bool ShowAllFunctions, std::string ShowFunction,
+ raw_fd_ostream &OS) {
using namespace sampleprof;
auto ReaderOrErr = SampleProfileReader::create(Filename, getGlobalContext());
if (std::error_code EC = ReaderOrErr.getError())
- exitWithError(EC.message(), Filename);
+ exitWithErrorCode(EC, Filename);
auto Reader = std::move(ReaderOrErr.get());
- Reader->read();
+ if (std::error_code EC = Reader->read())
+ exitWithErrorCode(EC, Filename);
+
if (ShowAllFunctions || ShowFunction.empty())
Reader->dump(OS);
else
return 0;
}
-int show_main(int argc, const char *argv[]) {
+static int show_main(int argc, const char *argv[]) {
cl::opt<std::string> Filename(cl::Positional, cl::Required,
cl::desc("<profdata-file>"));
cl::opt<bool> ShowCounts("counts", cl::init(false),
cl::desc("Show counter values for shown functions"));
+ cl::opt<bool> TextFormat(
+ "text", cl::init(false),
+ cl::desc("Show instr profile data in text dump format"));
+ cl::opt<bool> ShowIndirectCallTargets(
+ "ic-targets", cl::init(false),
+ cl::desc("Show indirect call site target values for shown functions"));
cl::opt<bool> ShowAllFunctions("all-functions", cl::init(false),
cl::desc("Details for every function"));
cl::opt<std::string> ShowFunction("function",
std::error_code EC;
raw_fd_ostream OS(OutputFilename.data(), EC, sys::fs::F_Text);
if (EC)
- exitWithError(EC.message(), OutputFilename);
+ exitWithErrorCode(EC, OutputFilename);
if (ShowAllFunctions && !ShowFunction.empty())
errs() << "warning: -function argument ignored: showing all functions\n";
if (ProfileKind == instr)
- return showInstrProfile(Filename, ShowCounts, ShowAllFunctions,
- ShowFunction, OS);
+ return showInstrProfile(Filename, ShowCounts, ShowIndirectCallTargets,
+ ShowAllFunctions, ShowFunction, TextFormat, OS);
else
return showSampleProfile(Filename, ShowCounts, ShowAllFunctions,
ShowFunction, OS);
return func(argc - 1, argv + 1);
}
- if (strcmp(argv[1], "-h") == 0 ||
- strcmp(argv[1], "-help") == 0 ||
+ if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "-help") == 0 ||
strcmp(argv[1], "--help") == 0) {
errs() << "OVERVIEW: LLVM profile data tools\n\n"
projects / oota-llvm.git / blobdiff