jdk-sandbox: comparison src/hotspot/share/gc/z/zStat.cpp

equal deleted inserted replaced

-:a6deb69743d4
+:4cbfa5077d68
 const uint32_t ncpus = ZCPU::count();
 for (uint32_t i = 0; i < ncpus; i++) {
 ZStatSamplerData* const cpu_data = get_cpu_local<ZStatSamplerData>(i);
 if (cpu_data->_nsamples > 0) {
-const uint64_t nsamples = Atomic::xchg((uint64_t)0, &cpu_data->_nsamples);
+const uint64_t nsamples = Atomic::xchg(&cpu_data->_nsamples, (uint64_t)0);
-const uint64_t sum = Atomic::xchg((uint64_t)0, &cpu_data->_sum);
+const uint64_t sum = Atomic::xchg(&cpu_data->_sum, (uint64_t)0);
-const uint64_t max = Atomic::xchg((uint64_t)0, &cpu_data->_max);
+const uint64_t max = Atomic::xchg(&cpu_data->_max, (uint64_t)0);
 all._nsamples += nsamples;
 all._sum += sum;
 if (all._max < max) {
 all._max = max;
 }
 uint64_t counter = 0;
 const uint32_t ncpus = ZCPU::count();
 for (uint32_t i = 0; i < ncpus; i++) {
 ZStatCounterData* const cpu_data = get_cpu_local<ZStatCounterData>(i);
-counter += Atomic::xchg((uint64_t)0, &cpu_data->_counter);
+counter += Atomic::xchg(&cpu_data->_counter, (uint64_t)0);
 }
 ZStatSample(_sampler, counter);
 }
 ZStatCounterData all;
 const uint32_t ncpus = ZCPU::count();
 for (uint32_t i = 0; i < ncpus; i++) {
 ZStatCounterData* const cpu_data = get_cpu_local<ZStatCounterData>(i);
-all._counter += Atomic::xchg((uint64_t)0, &cpu_data->_counter);
+all._counter += Atomic::xchg(&cpu_data->_counter, (uint64_t)0);
 }
 return all;
 }