RegionDescPtr selectHotRegion(TransID transId,
MCGenerator* mcg) {
auto const profData = jit::profData();
assertx(profData);
auto const& func = *profData->transRec(transId)->func();
FuncId funcId = func.getFuncId();
TransCFG cfg(funcId, profData, mcg->srcDB());
assertx(regionMode() != RegionMode::Method);
RegionDescPtr region;
HotTransContext ctx;
ctx.cfg = &cfg;
ctx.profData = profData;
ctx.tid = transId;
ctx.maxBCInstrs = RuntimeOption::EvalJitMaxRegionInstrs;
switch (pgoRegionMode(func)) {
case PGORegionMode::Hottrace:
region = selectHotTrace(ctx);
break;
case PGORegionMode::Hotblock:
region = selectHotBlock(transId, profData, cfg);
break;
case PGORegionMode::WholeCFG:
case PGORegionMode::HotCFG:
region = selectHotCFG(ctx);
break;
}
assertx(region);
if (Trace::moduleEnabled(HPHP::Trace::pgo, 5)) {
std::string dotFileName = std::string("/tmp/trans-cfg-") +
folly::to<std::string>(transId) + ".dot";
std::ofstream outFile(dotFileName);
if (outFile.is_open()) {
cfg.print(outFile, funcId, profData);
outFile.close();
}
FTRACE(5, "selectHotRegion: New Translation (file: {}) {}\n",
dotFileName, region ? show(*region) : std::string("empty region"));
}
always_assert(region->instrSize() <= RuntimeOption::EvalJitMaxRegionInstrs);
if (region->empty()) return nullptr;
return region;
}
RegionDescPtr selectHotRegion(TransID transId,
MCGenerator* mcg) {
assertx(RuntimeOption::EvalJitPGO);
const ProfData* profData = mcg->tx().profData();
auto const& func = *(profData->transFunc(transId));
FuncId funcId = func.getFuncId();
TransCFG cfg(funcId, profData, mcg->tx().getSrcDB(),
mcg->getJmpToTransIDMap());
TransIDSet selectedTIDs;
assertx(regionMode() != RegionMode::Method);
RegionDescPtr region;
HotTransContext ctx;
ctx.cfg = &cfg;
ctx.profData = profData;
ctx.tid = transId;
ctx.maxBCInstrs = RuntimeOption::EvalJitMaxRegionInstrs;
switch (pgoRegionMode(func)) {
case PGORegionMode::Hottrace:
region = selectHotTrace(ctx, selectedTIDs);
break;
case PGORegionMode::Hotblock:
region = selectHotBlock(transId, profData, cfg);
break;
case PGORegionMode::WholeCFG:
case PGORegionMode::HotCFG:
region = selectHotCFG(ctx, selectedTIDs);
break;
}
assertx(region);
if (Trace::moduleEnabled(HPHP::Trace::pgo, 5)) {
std::string dotFileName = std::string("/tmp/trans-cfg-") +
folly::to<std::string>(transId) + ".dot";
cfg.print(dotFileName, funcId, profData, &selectedTIDs);
FTRACE(5, "selectHotRegion: New Translation {} (file: {}) {}\n",
mcg->tx().profData()->curTransID(), dotFileName,
region ? show(*region) : std::string("empty region"));
}
always_assert(region->instrSize() <= RuntimeOption::EvalJitMaxRegionInstrs);
return region;
}
RegionDescPtr selectHotRegion(TransID transId,
TranslatorX64* tx64) {
assert(RuntimeOption::EvalJitPGO);
const ProfData* profData = tx64->profData();
FuncId funcId = profData->transFuncId(transId);
TransCFG cfg(funcId, profData, tx64->getSrcDB(), tx64->getJmpToTransIDMap());
TransIDSet selectedTIDs;
RegionDescPtr region = nullptr;
RegionMode mode = regionMode();
switch (mode) {
case RegionMode::None:
region = RegionDescPtr{nullptr};
break;
case RegionMode::HotBlock:
region = selectHotBlock(transId, profData, cfg);
break;
case RegionMode::HotTrace:
region = selectHotTrace(transId, profData, cfg, selectedTIDs);
break;
case RegionMode::OneBC:
case RegionMode::Method:
case RegionMode::Tracelet:
case RegionMode::Legacy:
always_assert(0 && "unsupported region mode");
}
if (Trace::moduleEnabled(HPHP::Trace::pgo, 5)) {
std::string dotFileName = string("/tmp/trans-cfg-") +
lexical_cast<std::string>(transId) + ".dot";
cfg.print(dotFileName, funcId, profData, &selectedTIDs);
FTRACE(5, "selectHotRegion: New Translation {} (file: {}) {}\n",
tx64->profData()->curTransID(), dotFileName,
region ? show(*region) : std::string("empty region"));
}
return region;
}
RegionDescPtr selectHotRegion(TransID transId,
MCGenerator* mcg) {
assert(RuntimeOption::EvalJitPGO);
const ProfData* profData = mcg->tx().profData();
FuncId funcId = profData->transFuncId(transId);
TransCFG cfg(funcId, profData, mcg->tx().getSrcDB(),
mcg->getJmpToTransIDMap());
TransIDSet selectedTIDs;
assert(regionMode() != RegionMode::Method);
RegionDescPtr region;
switch (pgoRegionMode()) {
case PGORegionMode::Hottrace:
region = selectHotTrace(transId, profData, cfg, selectedTIDs);
break;
case PGORegionMode::Hotblock:
region = selectHotBlock(transId, profData, cfg);
break;
case PGORegionMode::WholeCFG:
region = selectWholeCFG(transId, profData, cfg, selectedTIDs);
break;
}
assert(region);
if (Trace::moduleEnabled(HPHP::Trace::pgo, 5)) {
std::string dotFileName = std::string("/tmp/trans-cfg-") +
folly::to<std::string>(transId) + ".dot";
cfg.print(dotFileName, funcId, profData, &selectedTIDs);
FTRACE(5, "selectHotRegion: New Translation {} (file: {}) {}\n",
mcg->tx().profData()->curTransID(), dotFileName,
region ? show(*region) : std::string("empty region"));
}
return region;
}
