--- a/src/hotspot/os/linux/os_perf_linux.cpp Wed Sep 11 10:19:09 2019 +0200
+++ b/src/hotspot/os/linux/os_perf_linux.cpp Wed Sep 11 14:16:27 2019 +0200
@@ -503,12 +503,12 @@
}
bool CPUPerformanceInterface::CPUPerformance::initialize() {
- size_t tick_array_size = (_counters.nProcs +1) * sizeof(os::Linux::CPUPerfTicks);
- _counters.cpus = (os::Linux::CPUPerfTicks*)NEW_C_HEAP_ARRAY(char, tick_array_size, mtInternal);
+ size_t array_entry_count = _counters.nProcs + 1;
+ _counters.cpus = NEW_C_HEAP_ARRAY(os::Linux::CPUPerfTicks, array_entry_count, mtInternal);
if (NULL == _counters.cpus) {
return false;
}
- memset(_counters.cpus, 0, tick_array_size);
+ memset(_counters.cpus, 0, array_entry_count * sizeof(*_counters.cpus));
// For the CPU load total
os::Linux::get_tick_information(&_counters.cpus[_counters.nProcs], -1);