ProfilerCompilation.cpp [plain text]
#include "config.h"
#include "ProfilerCompilation.h"
#include "JSGlobalObject.h"
#include "ObjectConstructor.h"
#include "JSCInlines.h"
#include "ProfilerDatabase.h"
#include "Watchpoint.h"
#include <wtf/StringPrintStream.h>
namespace JSC { namespace Profiler {
Compilation::Compilation(Bytecodes* bytecodes, CompilationKind kind)
: m_bytecodes(bytecodes)
, m_kind(kind)
, m_jettisonReason(NotJettisoned)
, m_numInlinedGetByIds(0)
, m_numInlinedPutByIds(0)
, m_numInlinedCalls(0)
{
}
Compilation::~Compilation() { }
void Compilation::addProfiledBytecodes(Database& database, CodeBlock* profiledBlock)
{
Bytecodes* bytecodes = database.ensureBytecodesFor(profiledBlock);
for (unsigned i = m_profiledBytecodes.size(); i--;) {
if (m_profiledBytecodes[i].bytecodes() == bytecodes)
return;
}
m_profiledBytecodes.append(ProfiledBytecodes(bytecodes, profiledBlock));
}
void Compilation::addDescription(const CompiledBytecode& compiledBytecode)
{
m_descriptions.append(compiledBytecode);
}
void Compilation::addDescription(const OriginStack& stack, const CString& description)
{
addDescription(CompiledBytecode(stack, description));
}
ExecutionCounter* Compilation::executionCounterFor(const OriginStack& origin)
{
std::unique_ptr<ExecutionCounter>& counter = m_counters.add(origin, nullptr).iterator->value;
if (!counter)
counter = std::make_unique<ExecutionCounter>();
return counter.get();
}
void Compilation::addOSRExitSite(const Vector<const void*>& codeAddresses)
{
m_osrExitSites.append(OSRExitSite(codeAddresses));
}
OSRExit* Compilation::addOSRExit(unsigned id, const OriginStack& originStack, ExitKind exitKind, bool isWatchpoint)
{
m_osrExits.append(OSRExit(id, originStack, exitKind, isWatchpoint));
return &m_osrExits.last();
}
void Compilation::setJettisonReason(JettisonReason jettisonReason, const FireDetail* detail)
{
if (m_jettisonReason != NotJettisoned)
return;
m_jettisonReason = jettisonReason;
if (detail)
m_additionalJettisonReason = toCString(*detail);
else
m_additionalJettisonReason = CString();
}
JSValue Compilation::toJS(ExecState* exec) const
{
JSObject* result = constructEmptyObject(exec);
result->putDirect(exec->vm(), exec->propertyNames().bytecodesID, jsNumber(m_bytecodes->id()));
result->putDirect(exec->vm(), exec->propertyNames().compilationKind, jsString(exec, String::fromUTF8(toCString(m_kind))));
JSArray* profiledBytecodes = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_profiledBytecodes.size(); ++i)
profiledBytecodes->putDirectIndex(exec, i, m_profiledBytecodes[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().profiledBytecodes, profiledBytecodes);
JSArray* descriptions = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_descriptions.size(); ++i)
descriptions->putDirectIndex(exec, i, m_descriptions[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().descriptions, descriptions);
JSArray* counters = constructEmptyArray(exec, 0);
for (auto it = m_counters.begin(), end = m_counters.end(); it != end; ++it) {
JSObject* counterEntry = constructEmptyObject(exec);
counterEntry->putDirect(exec->vm(), exec->propertyNames().origin, it->key.toJS(exec));
counterEntry->putDirect(exec->vm(), exec->propertyNames().executionCount, jsNumber(it->value->count()));
counters->push(exec, counterEntry);
}
result->putDirect(exec->vm(), exec->propertyNames().counters, counters);
JSArray* exitSites = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_osrExitSites.size(); ++i)
exitSites->putDirectIndex(exec, i, m_osrExitSites[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().osrExitSites, exitSites);
JSArray* exits = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_osrExits.size(); ++i)
exits->putDirectIndex(exec, i, m_osrExits[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().osrExits, exits);
result->putDirect(exec->vm(), exec->propertyNames().numInlinedGetByIds, jsNumber(m_numInlinedGetByIds));
result->putDirect(exec->vm(), exec->propertyNames().numInlinedPutByIds, jsNumber(m_numInlinedPutByIds));
result->putDirect(exec->vm(), exec->propertyNames().numInlinedCalls, jsNumber(m_numInlinedCalls));
result->putDirect(exec->vm(), exec->propertyNames().jettisonReason, jsString(exec, String::fromUTF8(toCString(m_jettisonReason))));
if (!m_additionalJettisonReason.isNull())
result->putDirect(exec->vm(), exec->propertyNames().additionalJettisonReason, jsString(exec, String::fromUTF8(m_additionalJettisonReason)));
return result;
}
} }