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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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54
hotspot/src/share/vm/gc_implementation/shared/gcTrace.hpp
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@ -35,6 +35,7 @@
#include "gc_implementation/g1/g1YCTypes.hpp"
#endif
#include "utilities/macros.hpp"
#include "utilities/ticks.hpp"
typedef uint GCId;
@ -47,8 +48,6 @@ class TimePartitions;
class BoolObjectClosure;
class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
static const jlong UNSET_TIMESTAMP = -1;
public:
static const GCId UNSET_GCID = (GCId)-1;
@ -56,23 +55,30 @@ class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
GCId _id;
GCName _name;
GCCause::Cause _cause;
jlong _start_timestamp;
jlong _end_timestamp;
jlong _sum_of_pauses;
jlong _longest_pause;
Ticks _start_timestamp;
Ticks _end_timestamp;
Tickspan _sum_of_pauses;
Tickspan _longest_pause;
public:
SharedGCInfo(GCName name) : _id(UNSET_GCID), _name(name), _cause(GCCause::_last_gc_cause),
_start_timestamp(UNSET_TIMESTAMP), _end_timestamp(UNSET_TIMESTAMP), _sum_of_pauses(0), _longest_pause(0) {}
SharedGCInfo(GCName name) :
_id(UNSET_GCID),
_name(name),
_cause(GCCause::_last_gc_cause),
_start_timestamp(),
_end_timestamp(),
_sum_of_pauses(),
_longest_pause() {
}
void set_id(GCId id) { _id = id; }
GCId id() const { return _id; }
void set_start_timestamp(jlong timestamp) { _start_timestamp = timestamp; }
jlong start_timestamp() const { return _start_timestamp; }
void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; }
const Ticks start_timestamp() const { return _start_timestamp; }
void set_end_timestamp(jlong timestamp) { _end_timestamp = timestamp; }
jlong end_timestamp() const { return _end_timestamp; }
void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; }
const Ticks end_timestamp() const { return _end_timestamp; }
void set_name(GCName name) { _name = name; }
GCName name() const { return _name; }
@ -80,11 +86,11 @@ class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
void set_cause(GCCause::Cause cause) { _cause = cause; }
GCCause::Cause cause() const { return _cause; }
void set_sum_of_pauses(jlong duration) { _sum_of_pauses = duration; }
jlong sum_of_pauses() const { return _sum_of_pauses; }
void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
void set_longest_pause(jlong duration) { _longest_pause = duration; }
jlong longest_pause() const { return _longest_pause; }
void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
const Tickspan longest_pause() const { return _longest_pause; }
};
class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
@ -116,8 +122,8 @@ class GCTracer : public ResourceObj {
SharedGCInfo _shared_gc_info;
public:
void report_gc_start(GCCause::Cause cause, jlong timestamp);
void report_gc_end(jlong timestamp, TimePartitions* time_partitions);
void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const;
void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
@ -125,8 +131,8 @@ class GCTracer : public ResourceObj {
protected:
GCTracer(GCName name) : _shared_gc_info(name) {}
virtual void report_gc_start_impl(GCCause::Cause cause, jlong timestamp);
virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
private:
void send_garbage_collection_event() const;
@ -143,7 +149,7 @@ class YoungGCTracer : public GCTracer {
protected:
YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
public:
void report_promotion_failed(const PromotionFailedInfo& pf_info);
@ -157,7 +163,7 @@ class YoungGCTracer : public GCTracer {
class OldGCTracer : public GCTracer {
protected:
OldGCTracer(GCName name) : GCTracer(name) {}
virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
public:
void report_concurrent_mode_failure();
@ -175,7 +181,7 @@ class ParallelOldTracer : public OldGCTracer {
void report_dense_prefix(void* dense_prefix);
protected:
void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
private:
void send_parallel_old_event() const;
@ -209,7 +215,7 @@ class G1NewTracer : public YoungGCTracer {
G1NewTracer() : YoungGCTracer(G1New) {}
void report_yc_type(G1YCType type);
void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
void report_evacuation_info(EvacuationInfo* info);
void report_evacuation_failed(EvacuationFailedInfo& ef_info);