static String HHVM_FUNCTION(server_warmup_status) {
// Fail if we jitted more than 25kb of code.
size_t begin, end;
jit::mcg->codeEmittedThisRequest(begin, end);
auto const diff = end - begin;
auto constexpr kMaxTCBytes = 25 << 10;
if (diff > kMaxTCBytes) {
return folly::format("Translation cache grew by {} bytes to {} bytes.",
diff, begin).str();
}
// Fail if we spent more than 0.5ms in the JIT.
auto const jittime = jit::Timer::CounterValue(jit::Timer::translate);
auto constexpr kMaxJitTimeNS = 500000;
if (jittime.total > kMaxJitTimeNS) {
return folly::format("Spent {}us in the JIT.", jittime.total / 1000).str();
}
if (!isStandardRequest()) {
return "Warmup is still in progress.";
}
if (requestCount() <= RuntimeOption::EvalJitProfileRequests) {
return "PGO profiling translations are still enabled.";
}
auto tpc_diff = jit::s_perfCounters[jit::tpc_interp_bb] -
jit::s_perfCounters[jit::tpc_interp_bb_force];
if (tpc_diff) {
return folly::sformat("Interpreted {} non-forced basic blocks.", tpc_diff);
}
return empty_string();
}
void RequestInjectionData::updateJit() {
m_jit = RuntimeOption::EvalJit &&
!(RuntimeOption::EvalJitDisabledByHphpd && m_debuggerAttached) &&
!m_coverage &&
isStandardRequest() &&
!getDebuggerForceIntr();
}
