//===----------------------------------------------------------------------===//
#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/LLVMContext.h"
#include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/ProfileData/InstrProfWriter.h"
+#include "llvm/ProfileData/SampleProfReader.h"
+#include "llvm/ProfileData/SampleProfWriter.h"
#include "llvm/Support/CommandLine.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"
using namespace llvm;
-static void exitWithError(const Twine &Message, StringRef Whence = "") {
+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);
}
-int merge_main(int argc, const char *argv[]) {
- cl::list<std::string> Inputs(cl::Positional, cl::Required, cl::OneOrMore,
- cl::desc("<filenames...>"));
-
- cl::opt<std::string> OutputFilename("output", cl::value_desc("output"),
- cl::init("-"),
- cl::desc("Output file"));
- cl::alias OutputFilenameA("o", cl::desc("Alias for --output"),
- cl::aliasopt(OutputFilename));
+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);
+}
- cl::ParseCommandLineOptions(argc, argv, "LLVM profile data merger\n");
+namespace {
+ enum ProfileKinds { instr, sample };
+}
- if (OutputFilename.empty())
- OutputFilename = "-";
+static void mergeInstrProfile(const cl::list<std::string> &Inputs,
+ StringRef OutputFilename) {
+ if (OutputFilename.compare("-") == 0)
+ exitWithError("Cannot write indexed profdata format to stdout.");
- std::string ErrorInfo;
- // FIXME: F_Text would be available if line_iterator could accept CRLF.
- raw_fd_ostream Output(OutputFilename.data(), ErrorInfo, sys::fs::F_None);
- if (!ErrorInfo.empty())
- exitWithError(ErrorInfo, OutputFilename);
+ std::error_code EC;
+ raw_fd_ostream Output(OutputFilename.data(), EC, sys::fs::F_None);
+ if (EC)
+ exitWithErrorCode(EC, OutputFilename);
InstrProfWriter Writer;
for (const auto &Filename : Inputs) {
- std::unique_ptr<InstrProfReader> Reader;
- if (error_code ec = InstrProfReader::create(Filename, Reader))
- exitWithError(ec.message(), Filename);
+ auto ReaderOrErr = InstrProfReader::create(Filename);
+ if (std::error_code ec = ReaderOrErr.getError())
+ exitWithErrorCode(ec, Filename);
- for (const auto &I : *Reader)
- if (error_code EC = Writer.addFunctionCounts(I.Name, I.Hash, I.Counts))
+ auto Reader = std::move(ReaderOrErr.get());
+ for (auto &I : *Reader)
+ if (std::error_code EC = Writer.addRecord(std::move(I)))
errs() << Filename << ": " << I.Name << ": " << EC.message() << "\n";
if (Reader->hasError())
- exitWithError(Reader->getError().message(), Filename);
+ exitWithErrorCode(Reader->getError(), Filename);
}
Writer.write(Output);
-
- return 0;
}
-struct HashPrinter {
- uint64_t Hash;
- HashPrinter(uint64_t Hash) : Hash(Hash) {}
- void print(raw_ostream &OS) const {
- char Buf[18], *Cur = Buf;
- *Cur++ = '0'; *Cur++ = 'x';
- for (unsigned I = 16; I;) {
- char Digit = 0xF & (Hash >> (--I * 4));
- *Cur++ = (Digit < 10 ? '0' + Digit : 'A' + Digit - 10);
+static void mergeSampleProfile(const cl::list<std::string> &Inputs,
+ StringRef OutputFilename,
+ sampleprof::SampleProfileFormat OutputFormat) {
+ using namespace sampleprof;
+ auto WriterOrErr = SampleProfileWriter::create(OutputFilename, OutputFormat);
+ if (std::error_code EC = WriterOrErr.getError())
+ exitWithErrorCode(EC, OutputFilename);
+
+ auto Writer = std::move(WriterOrErr.get());
+ StringMap<FunctionSamples> ProfileMap;
+ SmallVector<std::unique_ptr<sampleprof::SampleProfileReader>, 5> Readers;
+ for (const auto &Filename : Inputs) {
+ auto ReaderOrErr =
+ SampleProfileReader::create(Filename, getGlobalContext());
+ if (std::error_code EC = ReaderOrErr.getError())
+ exitWithErrorCode(EC, 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())
+ exitWithErrorCode(EC, Filename);
+
+ StringMap<FunctionSamples> &Profiles = Reader->getProfiles();
+ for (StringMap<FunctionSamples>::iterator I = Profiles.begin(),
+ E = Profiles.end();
+ I != E; ++I) {
+ StringRef FName = I->first();
+ FunctionSamples &Samples = I->second;
+ ProfileMap[FName].merge(Samples);
}
- OS.write(Buf, 18);
}
-};
-static raw_ostream &operator<<(raw_ostream &OS, const HashPrinter &Hash) {
- Hash.print(OS);
- return OS;
+ Writer->write(ProfileMap);
}
-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> ShowAllFunctions("all-functions", cl::init(false),
- cl::desc("Details for every function"));
- cl::opt<std::string> ShowFunction("function",
- cl::desc("Details for matching functions"));
+static int merge_main(int argc, const char *argv[]) {
+ cl::list<std::string> Inputs(cl::Positional, cl::Required, cl::OneOrMore,
+ cl::desc("<filenames...>"));
cl::opt<std::string> OutputFilename("output", cl::value_desc("output"),
- cl::init("-"),
+ cl::init("-"), cl::Required,
cl::desc("Output file"));
cl::alias OutputFilenameA("o", cl::desc("Alias for --output"),
cl::aliasopt(OutputFilename));
+ cl::opt<ProfileKinds> ProfileKind(
+ cl::desc("Profile kind:"), cl::init(instr),
+ 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"),
+ clEnumValEnd));
- cl::ParseCommandLineOptions(argc, argv, "LLVM profile data summary\n");
-
- std::unique_ptr<InstrProfReader> Reader;
- if (error_code EC = InstrProfReader::create(Filename, Reader))
- exitWithError(EC.message(), Filename);
+ cl::ParseCommandLineOptions(argc, argv, "LLVM profile data merger\n");
- if (OutputFilename.empty())
- OutputFilename = "-";
+ if (ProfileKind == instr)
+ mergeInstrProfile(Inputs, OutputFilename);
+ else
+ mergeSampleProfile(Inputs, OutputFilename, OutputFormat);
- std::string ErrorInfo;
- raw_fd_ostream OS(OutputFilename.data(), ErrorInfo, sys::fs::F_Text);
- if (!ErrorInfo.empty())
- exitWithError(ErrorInfo, OutputFilename);
+ return 0;
+}
- if (ShowAllFunctions && !ShowFunction.empty())
- errs() << "warning: -function argument ignored: showing all functions\n";
+static int showInstrProfile(std::string Filename, bool ShowCounts,
+ bool ShowIndirectCallTargets, bool ShowAllFunctions,
+ std::string ShowFunction, raw_fd_ostream &OS) {
+ auto ReaderOrErr = InstrProfReader::create(Filename);
+ if (std::error_code EC = ReaderOrErr.getError())
+ exitWithErrorCode(EC, Filename);
+ auto Reader = std::move(ReaderOrErr.get());
uint64_t MaxFunctionCount = 0, MaxBlockCount = 0;
size_t ShownFunctions = 0, TotalFunctions = 0;
for (const auto &Func : *Reader) {
- bool Show = ShowAllFunctions ||
- (!ShowFunction.empty() &&
- Func.Name.find(ShowFunction) != Func.Name.npos);
+ bool Show =
+ ShowAllFunctions || (!ShowFunction.empty() &&
+ Func.Name.find(ShowFunction) != Func.Name.npos);
++TotalFunctions;
+ assert(Func.Counts.size() > 0 && "function missing entry counter");
if (Func.Counts[0] > MaxFunctionCount)
MaxFunctionCount = Func.Counts[0];
++ShownFunctions;
OS << " " << Func.Name << ":\n"
- << " Hash: " << HashPrinter(Func.Hash) << "\n"
+ << " Hash: " << format("0x%016" PRIx64, Func.Hash) << "\n"
<< " Counters: " << Func.Counts.size() << "\n"
<< " Function count: " << Func.Counts[0] << "\n";
+ if (ShowIndirectCallTargets)
+ OS << " Indirect Call Site Count: "
+ << Func.getNumValueSites(IPVK_IndirectCallTarget) << "\n";
}
if (Show && ShowCounts)
}
if (Show && ShowCounts)
OS << "]\n";
+
+ if (Show && 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 (Reader->hasError())
+ exitWithErrorCode(Reader->getError(), Filename);
if (ShowAllFunctions || !ShowFunction.empty())
OS << "Functions shown: " << ShownFunctions << "\n";
return 0;
}
+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())
+ exitWithErrorCode(EC, Filename);
+
+ auto Reader = std::move(ReaderOrErr.get());
+ if (std::error_code EC = Reader->read())
+ exitWithErrorCode(EC, Filename);
+
+ if (ShowAllFunctions || ShowFunction.empty())
+ Reader->dump(OS);
+ else
+ Reader->dumpFunctionProfile(ShowFunction, OS);
+
+ return 0;
+}
+
+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> 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",
+ cl::desc("Details for matching functions"));
+
+ cl::opt<std::string> OutputFilename("output", cl::value_desc("output"),
+ cl::init("-"), cl::desc("Output file"));
+ cl::alias OutputFilenameA("o", cl::desc("Alias for --output"),
+ cl::aliasopt(OutputFilename));
+ cl::opt<ProfileKinds> ProfileKind(
+ cl::desc("Profile kind:"), cl::init(instr),
+ cl::values(clEnumVal(instr, "Instrumentation profile (default)"),
+ clEnumVal(sample, "Sample profile"), clEnumValEnd));
+
+ cl::ParseCommandLineOptions(argc, argv, "LLVM profile data summary\n");
+
+ if (OutputFilename.empty())
+ OutputFilename = "-";
+
+ std::error_code EC;
+ raw_fd_ostream OS(OutputFilename.data(), EC, sys::fs::F_Text);
+ if (EC)
+ exitWithErrorCode(EC, OutputFilename);
+
+ if (ShowAllFunctions && !ShowFunction.empty())
+ errs() << "warning: -function argument ignored: showing all functions\n";
+
+ if (ProfileKind == instr)
+ return showInstrProfile(Filename, ShowCounts, ShowIndirectCallTargets,
+ ShowAllFunctions, ShowFunction, OS);
+ else
+ return showSampleProfile(Filename, ShowCounts, ShowAllFunctions,
+ ShowFunction, OS);
+}
+
int main(int argc, const char *argv[]) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
StringRef ProgName(sys::path::filename(argv[0]));
if (argc > 1) {
- int (*func)(int, const char *[]) = 0;
+ int (*func)(int, const char *[]) = nullptr;
if (strcmp(argv[1], "merge") == 0)
func = merge_main;
projects / oota-llvm.git / blobdiff