#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);
}
-enum ProfileKinds { instr, sample };
+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 mergeInstrProfile(const cl::list<std::string> &Inputs,
StringRef OutputFilename) {
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);
if (std::error_code ec = ReaderOrErr.getError())
- exitWithError(ec.message(), Filename);
+ exitWithErrorCode(ec, 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))
+ 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);
}
using namespace sampleprof;
auto WriterOrErr = SampleProfileWriter::create(OutputFilename, OutputFormat);
if (std::error_code EC = WriterOrErr.getError())
- exitWithError(EC.message(), OutputFilename);
+ 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())
- exitWithError(EC.message(), Filename);
-
- auto Reader = std::move(ReaderOrErr.get());
+ 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())
- exitWithError(EC.message(), Filename);
+ exitWithErrorCode(EC, Filename);
StringMap<FunctionSamples> &Profiles = Reader->getProfiles();
for (StringMap<FunctionSamples>::iterator I = Profiles.begin(),
}
static int showInstrProfile(std::string Filename, bool ShowCounts,
- bool ShowAllFunctions, std::string ShowFunction,
- raw_fd_ostream &OS) {
+ bool ShowIndirectCallTargets, bool ShowAllFunctions,
+ std::string ShowFunction, 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;
<< " 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())
- exitWithError(Reader->getError().message(), Filename);
+ exitWithErrorCode(Reader->getError(), Filename);
if (ShowAllFunctions || !ShowFunction.empty())
OS << "Functions shown: " << ShownFunctions << "\n";
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
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",
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, OS);
else
return showSampleProfile(Filename, ShowCounts, ShowAllFunctions,
ShowFunction, OS);