--- a/hotspot/src/share/vm/runtime/os.cpp Tue Jul 21 07:28:37 2015 -0700
+++ b/hotspot/src/share/vm/runtime/os.cpp Wed Jul 22 00:03:45 2015 -0400
@@ -843,6 +843,28 @@
pd_print_cpu_info(st, buf, buflen);
}
+// Print a one line string summarizing the cpu, number of cores, memory, and operating system version
+void os::print_summary_info(outputStream* st, char* buf, size_t buflen) {
+ st->print("Host: ");
+#ifndef PRODUCT
+ if (get_host_name(buf, buflen)) {
+ st->print("%s, ", buf);
+ }
+#endif // PRODUCT
+ get_summary_cpu_info(buf, buflen);
+ st->print("%s, ", buf);
+ size_t mem = physical_memory()/G;
+ if (mem == 0) { // for low memory systems
+ mem = physical_memory()/M;
+ st->print("%d cores, %dM, ", processor_count(), mem);
+ } else {
+ st->print("%d cores, %dG, ", processor_count(), mem);
+ }
+ get_summary_os_info(buf, buflen);
+ st->print_raw(buf);
+ st->cr();
+}
+
void os::print_date_and_time(outputStream *st, char* buf, size_t buflen) {
const int secs_per_day = 86400;
const int secs_per_hour = 3600;
@@ -850,12 +872,19 @@
time_t tloc;
(void)time(&tloc);
- st->print("time: %s", ctime(&tloc)); // ctime adds newline.
+ char* timestring = ctime(&tloc); // ctime adds newline.
+ // edit out the newline
+ char* nl = strchr(timestring, '\n');
+ if (nl != NULL) {
+ *nl = '\0';
+ }
struct tm tz;
if (localtime_pd(&tloc, &tz) != NULL) {
::strftime(buf, buflen, "%Z", &tz);
- st->print_cr("timezone: %s", buf);
+ st->print("Time: %s %s", timestring, buf);
+ } else {
+ st->print("Time: %s", timestring);
}
double t = os::elapsedTime();
@@ -872,7 +901,7 @@
int elmins = (eltime - day_secs - hour_secs) / secs_per_min;
int minute_secs = elmins * secs_per_min;
int elsecs = (eltime - day_secs - hour_secs - minute_secs);
- st->print_cr("elapsed time: %d seconds (%dd %dh %dm %ds)", eltime, eldays, elhours, elmins, elsecs);
+ st->print_cr(" elapsed time: %d seconds (%dd %dh %dm %ds)", eltime, eldays, elhours, elmins, elsecs);
}
// moved from debug.cpp (used to be find()) but still called from there