49 
 50 void DependencyContext::init() {
 51   if (UsePerfData) {
 52     EXCEPTION_MARK;
 53     _perf_total_buckets_allocated_count =
 54         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsAllocated", PerfData::U_Events, CHECK);
 55     _perf_total_buckets_deallocated_count =
 56         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsDeallocated", PerfData::U_Events, CHECK);
 57     _perf_total_buckets_stale_count =
 58         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsStale", PerfData::U_Events, CHECK);
 59     _perf_total_buckets_stale_acc_count =
 60         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsStaleAccumulated", PerfData::U_Events, CHECK);
 61   }
 62 }
 63 
 64 //
 65 // Walk the list of dependent nmethods searching for nmethods which
 66 // are dependent on the changes that were passed in and mark them for
 67 // deoptimization.
 68 //
 69 void DependencyContext::mark_dependent_nmethods(DeoptimizationScope* deopt_scope, DepChange& changes) {
 70   for (nmethodBucket* b = dependencies_not_unloading(); b != nullptr; b = b->next_not_unloading()) {
 71     nmethod* nm = b->get_nmethod();












 72     if (nm->is_marked_for_deoptimization()) {
 73       deopt_scope->dependent(nm);
 74     } else if (nm->check_dependency_on(changes)) {
 75       LogTarget(Info, dependencies) lt;
 76       if (lt.is_enabled()) {
 77         ResourceMark rm;
 78         LogStream ls(&lt);
 79         ls.print_cr("Marked for deoptimization");
 80         changes.print_on(&ls);
 81         nm->print_on(&ls);
 82         nm->print_dependencies_on(&ls);
 83       }
 84       deopt_scope->mark(nm, !changes.is_call_site_change());
 85     }
 86   }
 87 }
 88 
 89 //
 90 // Add an nmethod to the dependency context.
 91 //

 49 
 50 void DependencyContext::init() {
 51   if (UsePerfData) {
 52     EXCEPTION_MARK;
 53     _perf_total_buckets_allocated_count =
 54         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsAllocated", PerfData::U_Events, CHECK);
 55     _perf_total_buckets_deallocated_count =
 56         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsDeallocated", PerfData::U_Events, CHECK);
 57     _perf_total_buckets_stale_count =
 58         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsStale", PerfData::U_Events, CHECK);
 59     _perf_total_buckets_stale_acc_count =
 60         PerfDataManager::create_counter(SUN_CI, "nmethodBucketsStaleAccumulated", PerfData::U_Events, CHECK);
 61   }
 62 }
 63 
 64 //
 65 // Walk the list of dependent nmethods searching for nmethods which
 66 // are dependent on the changes that were passed in and mark them for
 67 // deoptimization.
 68 //
 69 void DependencyContext::mark_dependent_nmethods(DeoptimizationScope* deopt_scope, DepChange& changes, InstanceKlass* context) {
 70   for (nmethodBucket* b = dependencies_not_unloading(); b != nullptr; b = b->next_not_unloading()) {
 71     nmethod* nm = b->get_nmethod();
 72     {
 73       LogStreamHandle(Trace, dependencies) log;
 74       if (log.is_enabled()) {
 75         log.print("Processing ");
 76         if (context != nullptr) {
 77           log.print(" ctx=");
 78           context->name()->print_value_on(&log);
 79           log.print(" ");
 80         }
 81         nm->print_value_on(&log);
 82       }
 83     }
 84     if (nm->is_marked_for_deoptimization()) {
 85       deopt_scope->dependent(nm);
 86     } else if (nm->check_dependency_on(changes)) {
 87       LogTarget(Info, dependencies) lt;
 88       if (lt.is_enabled()) {
 89         ResourceMark rm;
 90         LogStream ls(&lt);
 91         ls.print_cr("Marked for deoptimization");
 92         changes.print_on(&ls);
 93         nm->print_on(&ls);
 94         nm->print_dependencies_on(&ls);
 95       }
 96       deopt_scope->mark(nm, !changes.is_call_site_change());
 97     }
 98   }
 99 }
100 
101 //
102 // Add an nmethod to the dependency context.
103 //