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8028128: Add a type safe alternative for working with counter based data

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Reviewed-by: dholmes, egahlin
This commit is contained in:
Markus Grönlund 2013-11-23 12:25:13 +01:00
parent 9963570316
commit b1e3461fe5
37 changed files with 522 additions and 235 deletions
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16
hotspot/src/share/vm/gc_implementation/shared/gcTraceTime.cpp
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@ -31,12 +31,13 @@
#include "runtime/thread.inline.hpp"
#include "runtime/timer.hpp"
#include "utilities/ostream.hpp"
#include "utilities/ticks.inline.hpp"
GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer) :
_title(title), _doit(doit), _print_cr(print_cr), _timer(timer) {
_title(title), _doit(doit), _print_cr(print_cr), _timer(timer), _start_counter() {
if (_doit || _timer != NULL) {
_start_counter = os::elapsed_counter();
_start_counter.stamp();
}
if (_timer != NULL) {
@ -57,10 +58,10 @@ GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* t
}
GCTraceTime::~GCTraceTime() {
jlong stop_counter = 0;
Ticks stop_counter;
if (_doit || _timer != NULL) {
stop_counter = os::elapsed_counter();
stop_counter.stamp();
}
if (_timer != NULL) {
@ -68,11 +69,12 @@ GCTraceTime::~GCTraceTime() {
}
if (_doit) {
double seconds = TimeHelper::counter_to_seconds(stop_counter - _start_counter);
const Tickspan duration = stop_counter - _start_counter;
double duration_in_seconds = TicksToTimeHelper::seconds(duration);
if (_print_cr) {
gclog_or_tty->print_cr(", %3.7f secs]", seconds);
gclog_or_tty->print_cr(", %3.7f secs]", duration_in_seconds);
} else {
gclog_or_tty->print(", %3.7f secs]", seconds);
gclog_or_tty->print(", %3.7f secs]", duration_in_seconds);
}
gclog_or_tty->flush();
}