#include "config.h"
#include "ICStats.h"
namespace JSC {
bool ICEvent::operator<(const ICEvent& other) const
{
if (m_classInfo != other.m_classInfo) {
if (!m_classInfo)
return true;
if (!other.m_classInfo)
return false;
return strcmp(m_classInfo->className, other.m_classInfo->className) < 0;
}
if (m_propertyName != other.m_propertyName)
return codePointCompare(m_propertyName.string(), other.m_propertyName.string()) < 0;
return m_kind < other.m_kind;
}
void ICEvent::dump(PrintStream& out) const
{
out.print(m_kind, "(", m_classInfo ? m_classInfo->className : "<null>", ", ", m_propertyName, ")");
}
void ICEvent::log() const
{
ICStats::instance().add(*this);
}
Atomic<ICStats*> ICStats::s_instance;
ICStats::ICStats()
{
m_thread = Thread::create(
"JSC ICStats",
[this] () {
LockHolder locker(m_lock);
for (;;) {
m_condition.waitFor(
m_lock, Seconds(1), [this] () -> bool { return m_shouldStop; });
if (m_shouldStop)
break;
dataLog("ICStats:\n");
auto list = m_spectrum.buildList();
for (unsigned i = list.size(); i--;)
dataLog(" ", list[i].key, ": ", list[i].count, "\n");
}
});
}
ICStats::~ICStats()
{
{
LockHolder locker(m_lock);
m_shouldStop = true;
m_condition.notifyAll();
}
m_thread->waitForCompletion();
}
void ICStats::add(const ICEvent& event)
{
m_spectrum.add(event);
}
ICStats& ICStats::instance()
{
for (;;) {
ICStats* result = s_instance.load();
if (result)
return *result;
ICStats* newStats = new ICStats();
if (s_instance.compareExchangeWeak(nullptr, newStats))
return *newStats;
delete newStats;
}
}
}
namespace WTF {
using namespace JSC;
void printInternal(PrintStream& out, ICEvent::Kind kind)
{
switch (kind) {
#define ICEVENT_KIND_DUMP(name) case ICEvent::name: out.print(#name); return;
FOR_EACH_ICEVENT_KIND(ICEVENT_KIND_DUMP);
#undef ICEVENT_KIND_DUMP
}
RELEASE_ASSERT_NOT_REACHED();
}
}