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src/hotspot/share/runtime/threadHeapSampler.cpp

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rev 52058 : 8211950: Deprecate the check if a JVMTI collector is present assertion
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 154   // presumably, users won't be enabling and disabling all the time.
 155   init_log_table();
 156   OrderAccess::release_store(&_enabled, 1);
 157 }
 158 
 159 int ThreadHeapSampler::enabled() {
 160   return OrderAccess::load_acquire(&_enabled);
 161 }
 162 
 163 void ThreadHeapSampler::disable() {
 164   OrderAccess::release_store(&_enabled, 0);
 165 }
 166 
 167 int ThreadHeapSampler::get_sampling_interval() {
 168   return OrderAccess::load_acquire(&_sampling_interval);
 169 }
 170 
 171 void ThreadHeapSampler::set_sampling_interval(int sampling_interval) {
 172   OrderAccess::release_store(&_sampling_interval, sampling_interval);
 173 }
 174 
 175 // Methods used in assertion mode to check if a collector is present or not at
 176 // the moment of TLAB sampling, ie a slow allocation path.
 177 bool ThreadHeapSampler::sampling_collector_present() const {
 178   return _collectors_present > 0;
 179 }
 180 
 181 bool ThreadHeapSampler::remove_sampling_collector() {
 182   assert(_collectors_present > 0, "Problem with collector counter.");
 183   _collectors_present--;
 184   return true;
 185 }
 186 
 187 bool ThreadHeapSampler::add_sampling_collector() {
 188   _collectors_present++;
 189   return true;
 190 }


 154   // presumably, users won't be enabling and disabling all the time.
 155   init_log_table();
 156   OrderAccess::release_store(&_enabled, 1);
 157 }
 158 
 159 int ThreadHeapSampler::enabled() {
 160   return OrderAccess::load_acquire(&_enabled);
 161 }
 162 
 163 void ThreadHeapSampler::disable() {
 164   OrderAccess::release_store(&_enabled, 0);
 165 }
 166 
 167 int ThreadHeapSampler::get_sampling_interval() {
 168   return OrderAccess::load_acquire(&_sampling_interval);
 169 }
 170 
 171 void ThreadHeapSampler::set_sampling_interval(int sampling_interval) {
 172   OrderAccess::release_store(&_sampling_interval, sampling_interval);
 173 }

















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