7061225: os::print_cpu_info() should support os-specific data

Reviewed-by: dholmes, never, jwilhelm, kvn

src/os/linux/vm/os_linux.cpp

@@ -2085,6 +2085,14 @@ void os::print_os_info(outputStream* st) {
   st->cr();
 }
 
+void os::pd_print_cpu_info(outputStream* st) {
+  st->print("\n/proc/cpuinfo:\n");
+  if (!_print_ascii_file("/proc/cpuinfo", st)) {
+    st->print("  <Not Available>");
+  }
+  st->cr();
+}
+
 void os::print_memory_info(outputStream* st) {
 
   st->print("Memory:");

src/os/solaris/vm/os_solaris.cpp

@@ -2317,6 +2317,10 @@ static bool check_addr0(outputStream* st) {
   return status;
 }
 
+void os::pd_print_cpu_info(outputStream* st) {
+  // Nothing to do for now.
+}
+
 void os::print_memory_info(outputStream* st) {
   st->print("Memory:");
   st->print(" %dk page", os::vm_page_size()>>10);

src/os/windows/vm/os_windows.cpp

@@ -1720,6 +1720,10 @@ void os::print_os_info(outputStream* st) {
   st->cr();
 }
 
+void os::pd_print_cpu_info(outputStream* st) {
+  // Nothing to do for now.
+}
+
 void os::print_memory_info(outputStream* st) {
   st->print("Memory:");
   st->print(" %dk page", os::vm_page_size()>>10);

src/share/vm/runtime/os.cpp

@@ -761,6 +761,7 @@ void os::print_cpu_info(outputStream* st) {
   // st->print("(active %d)", os::active_processor_count());
   st->print(" %s", VM_Version::cpu_features());
   st->cr();
+  pd_print_cpu_info(st);
 }
 
 void os::print_date_and_time(outputStream *st) {

src/share/vm/runtime/os.hpp

@@ -480,6 +480,7 @@ class os: AllStatic {
   // Output format may be different on different platforms.
   static void print_os_info(outputStream* st);
   static void print_cpu_info(outputStream* st);
+  static void pd_print_cpu_info(outputStream* st);
   static void print_memory_info(outputStream* st);
   static void print_dll_info(outputStream* st);
   static void print_environment_variables(outputStream* st, const char** env_list, char* buffer, int len);