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src/hotspot/cpu/s390/vm_version_ext_s390.cpp
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rev 50966 : 8206919: s390: add missing info to vm_version_ext_s390
*** 29,45 ****
// VM_Version_Ext statics
int VM_Version_Ext::_no_of_threads = 0;
int VM_Version_Ext::_no_of_cores = 0;
int VM_Version_Ext::_no_of_sockets = 0;
char VM_Version_Ext::_cpu_name[CPU_TYPE_DESC_BUF_SIZE] = {0};
char VM_Version_Ext::_cpu_desc[CPU_DETAILED_DESC_BUF_SIZE] = {0};
// get cpu information.
! bool VM_Version_Ext::initialize_cpu_information(void) {
! // Not yet implemented.
! return false;
}
int VM_Version_Ext::number_of_threads(void) {
initialize_cpu_information();
return _no_of_threads;
--- 29,55 ----
// VM_Version_Ext statics
int VM_Version_Ext::_no_of_threads = 0;
int VM_Version_Ext::_no_of_cores = 0;
int VM_Version_Ext::_no_of_sockets = 0;
+ bool VM_Version_Ext::_initialized = false;
char VM_Version_Ext::_cpu_name[CPU_TYPE_DESC_BUF_SIZE] = {0};
char VM_Version_Ext::_cpu_desc[CPU_DETAILED_DESC_BUF_SIZE] = {0};
// get cpu information.
! void VM_Version_Ext::initialize_cpu_information(void) {
! // do nothing if cpu info has been initialized
! if (_initialized) {
! return;
! }
!
! _no_of_cores = os::processor_count();
! _no_of_threads = _no_of_cores;
! _no_of_sockets = _no_of_cores;
! snprintf(_cpu_name, CPU_TYPE_DESC_BUF_SIZE, "s390 %s", VM_Version::get_model_string());
! snprintf(_cpu_desc, CPU_DETAILED_DESC_BUF_SIZE, "zArch %s", features_string());
! _initialized = true;
}
int VM_Version_Ext::number_of_threads(void) {
initialize_cpu_information();
return _no_of_threads;
*** 54,78 ****
initialize_cpu_information();
return _no_of_sockets;
}
const char* VM_Version_Ext::cpu_name(void) {
! if (!initialize_cpu_information()) {
! return NULL;
! }
char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_TYPE_DESC_BUF_SIZE, mtTracing);
if (NULL == tmp) {
return NULL;
}
strncpy(tmp, _cpu_name, CPU_TYPE_DESC_BUF_SIZE);
return tmp;
}
const char* VM_Version_Ext::cpu_description(void) {
! if (!initialize_cpu_information()) {
! return NULL;
! }
char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_DETAILED_DESC_BUF_SIZE, mtTracing);
if (NULL == tmp) {
return NULL;
}
strncpy(tmp, _cpu_desc, CPU_DETAILED_DESC_BUF_SIZE);
--- 64,84 ----
initialize_cpu_information();
return _no_of_sockets;
}
const char* VM_Version_Ext::cpu_name(void) {
! initialize_cpu_information();
char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_TYPE_DESC_BUF_SIZE, mtTracing);
if (NULL == tmp) {
return NULL;
}
strncpy(tmp, _cpu_name, CPU_TYPE_DESC_BUF_SIZE);
return tmp;
}
const char* VM_Version_Ext::cpu_description(void) {
! initialize_cpu_information();
char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_DETAILED_DESC_BUF_SIZE, mtTracing);
if (NULL == tmp) {
return NULL;
}
strncpy(tmp, _cpu_desc, CPU_DETAILED_DESC_BUF_SIZE);
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