18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "gc/shared/gcTimer.hpp" 27 #include "gc/shared/gcTrace.hpp" 28 #include "gc/shared/gcTraceTime.hpp" 29 #include "runtime/globals.hpp" 30 #include "runtime/os.hpp" 31 #include "runtime/safepoint.hpp" 32 #include "runtime/thread.inline.hpp" 33 #include "runtime/timer.hpp" 34 #include "utilities/ostream.hpp" 35 #include "utilities/ticks.inline.hpp" 36 37 38 GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer, GCId gc_id) : 39 _title(title), _doit(doit), _print_cr(print_cr), _timer(timer), _start_counter() { 40 if (_doit || _timer != NULL) { 41 _start_counter.stamp(); 42 } 43 44 if (_timer != NULL) { 45 assert(SafepointSynchronize::is_at_safepoint(), "Tracing currently only supported at safepoints"); 46 assert(Thread::current()->is_VM_thread(), "Tracing currently only supported from the VM thread"); 47 48 _timer->register_gc_phase_start(title, _start_counter); 49 } 50 51 if (_doit) { 52 gclog_or_tty->date_stamp(PrintGCDateStamps); 53 gclog_or_tty->stamp(PrintGCTimeStamps); 54 if (PrintGCID) { 55 gclog_or_tty->print("#%u: ", gc_id.id()); 56 } 57 gclog_or_tty->print("[%s", title); 58 gclog_or_tty->flush(); 59 } 60 } 61 62 GCTraceTime::~GCTraceTime() { 63 Ticks stop_counter; 64 65 if (_doit || _timer != NULL) { 66 stop_counter.stamp(); 67 } 68 69 if (_timer != NULL) { 70 _timer->register_gc_phase_end(stop_counter); 71 } 72 73 if (_doit) { 74 const Tickspan duration = stop_counter - _start_counter; 75 double duration_in_seconds = TicksToTimeHelper::seconds(duration); 76 if (_print_cr) { | 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "gc/shared/gcTimer.hpp" 27 #include "gc/shared/gcTrace.hpp" 28 #include "gc/shared/gcTraceTime.hpp" 29 #include "runtime/globals.hpp" 30 #include "runtime/os.hpp" 31 #include "runtime/safepoint.hpp" 32 #include "runtime/thread.inline.hpp" 33 #include "runtime/timer.hpp" 34 #include "utilities/ostream.hpp" 35 #include "utilities/ticks.inline.hpp" 36 37 38 GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer) : 39 _title(title), _doit(doit), _print_cr(print_cr), _timer(timer), _start_counter() { 40 if (_doit || _timer != NULL) { 41 _start_counter.stamp(); 42 } 43 44 if (_timer != NULL) { 45 assert(SafepointSynchronize::is_at_safepoint(), "Tracing currently only supported at safepoints"); 46 assert(Thread::current()->is_VM_thread(), "Tracing currently only supported from the VM thread"); 47 48 _timer->register_gc_phase_start(title, _start_counter); 49 } 50 51 if (_doit) { 52 gclog_or_tty->gclog_stamp(); 53 gclog_or_tty->print("[%s", title); 54 gclog_or_tty->flush(); 55 } 56 } 57 58 GCTraceTime::~GCTraceTime() { 59 Ticks stop_counter; 60 61 if (_doit || _timer != NULL) { 62 stop_counter.stamp(); 63 } 64 65 if (_timer != NULL) { 66 _timer->register_gc_phase_end(stop_counter); 67 } 68 69 if (_doit) { 70 const Tickspan duration = stop_counter - _start_counter; 71 double duration_in_seconds = TicksToTimeHelper::seconds(duration); 72 if (_print_cr) { |