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function profiling rewritten - more detailed info, supports global profiling

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This commit is contained in:
Vern Paxson 2021-03-25 16:17:32 -07:00
parent bb3a69ebb3
commit 297adf3486
3 changed files with 896 additions and 124 deletions
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16
src/script_opt/ScriptOpt.cc
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@ -80,7 +80,7 @@ void optimize_func(ScriptFunc* f, std::shared_ptr<ProfileFunc> pf,
if ( analysis_options.optimize_AST )
{
pf = std::make_shared<ProfileFunc>(false);
pf = std::make_shared<ProfileFunc>(f, body);
body->Traverse(pf.get());
RD_Decorate reduced_rds(pf);
@ -110,7 +110,7 @@ void optimize_func(ScriptFunc* f, std::shared_ptr<ProfileFunc> pf,
}
// Profile the new body.
pf = std::make_shared<ProfileFunc>();
pf = std::make_shared<ProfileFunc>(f, body);
body->Traverse(pf.get());
// Compute its reaching definitions.
@ -202,15 +202,7 @@ void analyze_scripts()
// Now that everything's parsed and BiF's have been initialized,
// profile the functions.
std::unordered_map<const ScriptFunc*, std::shared_ptr<ProfileFunc>>
func_profs;
for ( auto& f : funcs )
{
f.SetProfile(std::make_shared<ProfileFunc>(true));
f.Body()->Traverse(f.Profile().get());
func_profs[f.Func()] = f.Profile();
}
auto pfs = std::make_unique<ProfileFuncs>(funcs);
// Figure out which functions either directly or indirectly
// appear in "when" clauses.
@ -253,7 +245,7 @@ void analyze_scripts()
{
when_funcs.insert(wf);
for ( auto& wff : func_profs[wf]->ScriptCalls() )
for ( auto& wff : pfs->FuncProf(wf)->ScriptCalls() )
{
if ( when_funcs.count(wff) > 0 )
// We've already processed this